[INFO] cloning repository https://github.com/mikeleppane/Crust-of-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikeleppane/Crust-of-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2FCrust-of-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2FCrust-of-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4e5a00ce068794a2fef0b86a454ab48e44f4764
[INFO] testing mikeleppane/Crust-of-Rust against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2FCrust-of-Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikeleppane/Crust-of-Rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikeleppane/Crust-of-Rust
[INFO] finished tweaking git repo https://github.com/mikeleppane/Crust-of-Rust
[INFO] tweaked toml for git repo https://github.com/mikeleppane/Crust-of-Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mikeleppane/Crust-of-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1e380a41ea8279c18ef9ea2d324f5ae0064345a22420f646ebfa6e7d8d4968e
[INFO] running `Command { std: "docker" "start" "-a" "a1e380a41ea8279c18ef9ea2d324f5ae0064345a22420f646ebfa6e7d8d4968e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1e380a41ea8279c18ef9ea2d324f5ae0064345a22420f646ebfa6e7d8d4968e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e380a41ea8279c18ef9ea2d324f5ae0064345a22420f646ebfa6e7d8d4968e", kill_on_drop: false }`
[INFO] [stdout] a1e380a41ea8279c18ef9ea2d324f5ae0064345a22420f646ebfa6e7d8d4968e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a05f3e8c16069f0a92759eafa4608ea581e59e35dcbe5c7bcf1607abba3e8a3
[INFO] running `Command { std: "docker" "start" "-a" "1a05f3e8c16069f0a92759eafa4608ea581e59e35dcbe5c7bcf1607abba3e8a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling crust-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `LOCKED` is never used
[INFO] [stdout]  --> src/atomics_and_memory_ordering/atomics.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const LOCKED: bool = true;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UNLOCKED` is never used
[INFO] [stdout]  --> src/atomics_and_memory_ordering/atomics.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const UNLOCKED: bool = false;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `locked` and `v` are never read
[INFO] [stdout]  --> src/atomics_and_memory_ordering/atomics.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct MyMutex<T> {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 8 |     locked: AtomicBool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     v: UnsafeCell<T>,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `with_lock` are never used
[INFO] [stdout]   --> src/atomics_and_memory_ordering/atomics.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T> MyMutex<T> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 15 |     pub fn new(t: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn with_lock<R>(&self, f: impl FnOnce(&mut T) -> R) -> R {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send` is never used
[INFO] [stdout]   --> src/channels/panama.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<T> Sender<T> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 33 |     pub fn send(&mut self, t: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `channel` is never used
[INFO] [stdout]   --> src/channels/panama.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn channel<T>() -> (Sender<T>, Receiver<T>) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strlen` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn strlen(s: impl AsRef<str>) -> usize {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strlen_dyn` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn strlen_dyn(s: Box<dyn AsRef<str>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bool_then` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn bool_then<T>(b: bool, f: impl FnOnce() -> T) -> Option<T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baz` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn baz(s: &dyn HeiAsRef) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_of_trait_object` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef<str>]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `ny` is never used
[INFO] [stdout]   --> src/drop_check/boks.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<T> Boks<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn ny(t: T) -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strtok` is never used
[INFO] [stdout]  --> src/subtyping_and_variance/strtok.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn strtok<'a>(s: &'_ mut &'a str, delimiter: char) -> &'a str {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::str::<impl str>::len` that must be used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     s.len();
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let _ = s.len();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |     slice_of_trait_object(&[Box::new("hello").as_ref()])
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/drop_check/boks.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { Box::from_raw(self.p) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { let _ = Box::from_raw(self.p); };
[INFO] [stdout]    |                  +++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/smart_pointers_and_interior_mutability/rc.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             drop(inner);
[INFO] [stdout]    |             ^^^^^-----^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&RcInner<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "1a05f3e8c16069f0a92759eafa4608ea581e59e35dcbe5c7bcf1607abba3e8a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a05f3e8c16069f0a92759eafa4608ea581e59e35dcbe5c7bcf1607abba3e8a3", kill_on_drop: false }`
[INFO] [stdout] 1a05f3e8c16069f0a92759eafa4608ea581e59e35dcbe5c7bcf1607abba3e8a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8ad4bca5af659ac9cd1134b9fbcf2e3615ac9928e558fd6ee1a78d3deea61d7
[INFO] running `Command { std: "docker" "start" "-a" "b8ad4bca5af659ac9cd1134b9fbcf2e3615ac9928e558fd6ee1a78d3deea61d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crust-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pretty_assertions::assert_eq`
[INFO] [stdout]   --> src/drop_check/boks.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use pretty_assertions::assert_eq;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boks`
[INFO] [stdout]   --> src/drop_check/boks.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let boks = Boks::ny(&mut y);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_boks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strlen` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn strlen(s: impl AsRef<str>) -> usize {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strlen_dyn` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn strlen_dyn(s: Box<dyn AsRef<str>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bool_then` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn bool_then<T>(b: bool, f: impl FnOnce() -> T) -> Option<T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baz` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn baz(s: &dyn HeiAsRef) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_of_trait_object` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef<str>]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::str::<impl str>::len` that must be used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     s.len();
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let _ = s.len();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |     slice_of_trait_object(&[Box::new("hello").as_ref()])
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/drop_check/boks.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { Box::from_raw(self.p) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { let _ = Box::from_raw(self.p); };
[INFO] [stdout]    |                  +++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/smart_pointers_and_interior_mutability/rc.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             drop(inner);
[INFO] [stdout]    |             ^^^^^-----^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&RcInner<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "b8ad4bca5af659ac9cd1134b9fbcf2e3615ac9928e558fd6ee1a78d3deea61d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ad4bca5af659ac9cd1134b9fbcf2e3615ac9928e558fd6ee1a78d3deea61d7", kill_on_drop: false }`
[INFO] [stdout] b8ad4bca5af659ac9cd1134b9fbcf2e3615ac9928e558fd6ee1a78d3deea61d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e063b92508524ea0806183ffe15c6b2b4d0b75939ac9d13260d1e7aeb7f0ff0
[INFO] running `Command { std: "docker" "start" "-a" "8e063b92508524ea0806183ffe15c6b2b4d0b75939ac9d13260d1e7aeb7f0ff0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `pretty_assertions::assert_eq`
[INFO] [stderr]   --> src/drop_check/boks.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     use pretty_assertions::assert_eq;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `boks`
[INFO] [stderr]   --> src/drop_check/boks.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let boks = Boks::ny(&mut y);
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_boks`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `strlen` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn strlen(s: impl AsRef<str>) -> usize {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `strlen_dyn` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn strlen_dyn(s: Box<dyn AsRef<str>>) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bool_then` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn bool_then<T>(b: bool, f: impl FnOnce() -> T) -> Option<T> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `baz` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn baz(s: &dyn HeiAsRef) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `slice_of_trait_object` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef<str>]) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn main() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::len` that must be used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     s.len();
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let _ = s.len();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary allocation, use `&` instead
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 |     slice_of_trait_object(&[Box::new("hello").as_ref()])
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/drop_check/boks.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |         unsafe { Box::from_raw(self.p) };
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 10 |         unsafe { let _ = Box::from_raw(self.p); };
[INFO] [stderr]    |                  +++++++                      +
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/smart_pointers_and_interior_mutability/rc.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |             drop(inner);
[INFO] [stderr]    |             ^^^^^-----^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  argument has type `&RcInner<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `crust-of-rust` (bin "crust-of-rust" test) generated 12 warnings (run `cargo fix --bin "crust-of-rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/crust_of_rust-b6e3b21917119a4c)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test channels::panama::tests::closed_rx ... ok
[INFO] [stdout] test channels::panama::tests::closed_tx ... ok
[INFO] [stdout] test channels::panama::tests::ping_pong ... ok
[INFO] [stdout] test iterators::iterator::tests::both_ends ... ok
[INFO] [stdout] test declarative_macros::vecmac::tests::single ... ok
[INFO] [stdout] test drop_check::boks::tests::it_works ... ok
[INFO] [stdout] test declarative_macros::vecmac::tests::empty_vec ... ok
[INFO] [stdout] test iterators::iterator::tests::one ... ok
[INFO] [stdout] test iterators::iterator::tests::two_wide_reverse ... ok
[INFO] [stdout] test iterators::iterator::tests::two_wide ... ok
[INFO] [stdout] test declarative_macros::vecmac::tests::double ... ok
[INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::mutex_test ... ok
[INFO] [stdout] test iterators::iterator::tests::empty ... ok
[INFO] [stdout] test declarative_macros::vecmac::tests::trailing ... ok
[INFO] [stdout] test iterators::iterator::tests::empty_wide ... ok
[INFO] [stdout] test declarative_macros::vecmac::tests::clone_2 ... ok
[INFO] [stdout] test iterators::iterator::tests::two ... ok
[INFO] [stdout] test iterators::iterator::tests::two_reverse ... ok
[INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char ... ok
[INFO] [stdout] test lifetime_annotations::strsplit::tests::tail ... ok
[INFO] [stdout] test lifetime_annotations::strsplit::tests::it_works ... ok
[INFO] [stdout] test lifetime_annotations::strsplit::tests::empty_tail ... ok
[INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::too_relaxed ... FAILED
[INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char_with_unicode ... ok
[INFO] [stdout] test smart_pointers_and_interior_mutability::refcell::tests::it_works ... ok
[INFO] [stdout] test smart_pointers_and_interior_mutability::rc::tests::it_works ... ok
[INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::it_works ... ok
[INFO] [stdout] test subtyping_and_variance::strtok::tests::it_works ... ok
[INFO] [stdout] test smart_pointers_and_interior_mutability::cell::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- atomics_and_memory_ordering::atomics::tests::too_relaxed stdout ----
[INFO] [stdout] thread 'atomics_and_memory_ordering::atomics::tests::too_relaxed' panicked at src/atomics_and_memory_ordering/atomics.rs:83:9:
[INFO] [stdout] assertion failed: `(left == right)`
[INFO] [stdout] 
[INFO] [stdout] [1mDiff[0m [31m< left[0m / [32mright >[0m :
[INFO] [stdout] [31m<[0m[1;48;5;52;31m42[0m
[INFO] [stdout] [32m>[0m[1;48;5;22;32m0[0m
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x563f79d2142c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x563f79d2142c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x563f79d2142c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x563f79d2142c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x563f79d4b090 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x563f79d4b090 - core::fmt::write::h3a39390d8560d9c9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x563f79d1edbf - std::io::Write::write_fmt::h040b369f3a0f9cbc
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
[INFO] [stdout]    7:     0x563f79d21214 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x563f79d21214 - std::sys_common::backtrace::print::h23a2d212c6fff936
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x563f79d22ed7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
[INFO] [stdout]   10:     0x563f79d22bc3 - std::panicking::default_hook::h6038f2eba384e475
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x563f79cd9947 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0ad024c9bdc6d768
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   12:     0x563f79cd9947 - test::test_main::{{closure}}::h7500b54257359db6
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x563f79d234e8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1f8f335eaa9cfaee
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2021:9
[INFO] [stdout]   14:     0x563f79d234e8 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x563f79d2323e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x563f79d218f6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
[INFO] [stdout]   17:     0x563f79d22fa2 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x563f79c77cf5 - core::panicking::panic_fmt::hbf0e066aabfa482c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x563f79c9de66 - crust_of_rust::atomics_and_memory_ordering::atomics::tests::too_relaxed::h2bdfc7c896ddba27
[INFO] [stdout]                                at /opt/rustwide/workdir/src/atomics_and_memory_ordering/atomics.rs:83:9
[INFO] [stdout]   20:     0x563f79c9da17 - crust_of_rust::atomics_and_memory_ordering::atomics::tests::too_relaxed::{{closure}}::h986bb934b64f508f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/atomics_and_memory_ordering/atomics.rs:66:21
[INFO] [stdout]   21:     0x563f79c8df46 - core::ops::function::FnOnce::call_once::ha3da820a85566181
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x563f79cdef9f - core::ops::function::FnOnce::call_once::h2b5d431d5046312d
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x563f79cdef9f - test::__rust_begin_short_backtrace::h7714669af176e207
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:628:18
[INFO] [stdout]   24:     0x563f79cddfb5 - test::run_test_in_process::{{closure}}::h85218797dcbcec12
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:60
[INFO] [stdout]   25:     0x563f79cddfb5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h76c106ea31c14d7b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x563f79cddfb5 - std::panicking::try::do_call::h3bd5d0f6620ee946
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x563f79cddfb5 - std::panicking::try::h232e535e4744fe31
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x563f79cddfb5 - std::panic::catch_unwind::h3ce3bd6ca8dbac68
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x563f79cddfb5 - test::run_test_in_process::hc97b257c9621286a
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:651:27
[INFO] [stdout]   30:     0x563f79cddfb5 - test::run_test::{{closure}}::h2aa798823a438d38
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:574:43
[INFO] [stdout]   31:     0x563f79ca6276 - test::run_test::{{closure}}::h87d231c78fb59832
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/test/src/lib.rs:602:41
[INFO] [stdout]   32:     0x563f79ca6276 - std::sys_common::backtrace::__rust_begin_short_backtrace::he6df152596625789
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
[INFO] [stdout]   33:     0x563f79cab327 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha94be15d1e0acf36
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   34:     0x563f79cab327 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9dc6bd6372f16606
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x563f79cab327 - std::panicking::try::do_call::h9057517f80303cd4
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
[INFO] [stdout]   36:     0x563f79cab327 - std::panicking::try::he3a30b11ee45340c
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
[INFO] [stdout]   37:     0x563f79cab327 - std::panic::catch_unwind::h410458cfd3528b8b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
[INFO] [stdout]   38:     0x563f79cab327 - std::thread::Builder::spawn_unchecked_::{{closure}}::h72ac3bdb567b737b
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   39:     0x563f79cab327 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h38f34da3654a8344
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x563f79d27f75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   41:     0x563f79d27f75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
[INFO] [stdout]   42:     0x563f79d27f75 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
[INFO] [stdout]                                at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   43:     0x7f497cbc4ac3 - <unknown>
[INFO] [stdout]   44:     0x7f497cc55bf4 - __clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     atomics_and_memory_ordering::atomics::tests::too_relaxed
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin crust-of-rust`
[INFO] running `Command { std: "docker" "inspect" "8e063b92508524ea0806183ffe15c6b2b4d0b75939ac9d13260d1e7aeb7f0ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e063b92508524ea0806183ffe15c6b2b4d0b75939ac9d13260d1e7aeb7f0ff0", kill_on_drop: false }`
[INFO] [stdout] 8e063b92508524ea0806183ffe15c6b2b4d0b75939ac9d13260d1e7aeb7f0ff0
[INFO] testing mikeleppane/Crust-of-Rust against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikeleppane%2FCrust-of-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikeleppane/Crust-of-Rust on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikeleppane/Crust-of-Rust
[INFO] finished tweaking git repo https://github.com/mikeleppane/Crust-of-Rust
[INFO] tweaked toml for git repo https://github.com/mikeleppane/Crust-of-Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mikeleppane/Crust-of-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 992034b75fb269c772212910e9a6c2992438b46a55148181436a197b792bead4
[INFO] running `Command { std: "docker" "start" "-a" "992034b75fb269c772212910e9a6c2992438b46a55148181436a197b792bead4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "992034b75fb269c772212910e9a6c2992438b46a55148181436a197b792bead4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992034b75fb269c772212910e9a6c2992438b46a55148181436a197b792bead4", kill_on_drop: false }`
[INFO] [stdout] 992034b75fb269c772212910e9a6c2992438b46a55148181436a197b792bead4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a13c237157475c73892996b5dc59bd0f6898bd5e88b52ffa074d0fddf82bad65
[INFO] running `Command { std: "docker" "start" "-a" "a13c237157475c73892996b5dc59bd0f6898bd5e88b52ffa074d0fddf82bad65", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling crust-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `LOCKED` is never used
[INFO] [stdout]  --> src/atomics_and_memory_ordering/atomics.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const LOCKED: bool = true;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UNLOCKED` is never used
[INFO] [stdout]  --> src/atomics_and_memory_ordering/atomics.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const UNLOCKED: bool = false;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `locked` and `v` are never read
[INFO] [stdout]  --> src/atomics_and_memory_ordering/atomics.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct MyMutex<T> {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 8 |     locked: AtomicBool,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     v: UnsafeCell<T>,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `with_lock` are never used
[INFO] [stdout]   --> src/atomics_and_memory_ordering/atomics.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T> MyMutex<T> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 15 |     pub fn new(t: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn with_lock<R>(&self, f: impl FnOnce(&mut T) -> R) -> R {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send` is never used
[INFO] [stdout]   --> src/channels/panama.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl<T> Sender<T> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 33 |     pub fn send(&mut self, t: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `channel` is never used
[INFO] [stdout]   --> src/channels/panama.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn channel<T>() -> (Sender<T>, Receiver<T>) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strlen` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn strlen(s: impl AsRef<str>) -> usize {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strlen_dyn` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn strlen_dyn(s: Box<dyn AsRef<str>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bool_then` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn bool_then<T>(b: bool, f: impl FnOnce() -> T) -> Option<T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baz` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn baz(s: &dyn HeiAsRef) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_of_trait_object` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef<str>]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `ny` is never used
[INFO] [stdout]   --> src/drop_check/boks.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<T> Boks<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn ny(t: T) -> Self {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strtok` is never used
[INFO] [stdout]  --> src/subtyping_and_variance/strtok.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn strtok<'a>(s: &'_ mut &'a str, delimiter: char) -> &'a str {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::str::<impl str>::len` that must be used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     s.len();
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let _ = s.len();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |     slice_of_trait_object(&[Box::new("hello").as_ref()])
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/drop_check/boks.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { Box::from_raw(self.p) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { let _ = Box::from_raw(self.p); };
[INFO] [stdout]    |                  +++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/smart_pointers_and_interior_mutability/rc.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             drop(inner);
[INFO] [stdout]    |             ^^^^^-----^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&RcInner<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "a13c237157475c73892996b5dc59bd0f6898bd5e88b52ffa074d0fddf82bad65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13c237157475c73892996b5dc59bd0f6898bd5e88b52ffa074d0fddf82bad65", kill_on_drop: false }`
[INFO] [stdout] a13c237157475c73892996b5dc59bd0f6898bd5e88b52ffa074d0fddf82bad65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c60b8e1b9ae60b29b2b8de3bda705a6868fa962667b95a003bc31ce7b9a67679
[INFO] running `Command { std: "docker" "start" "-a" "c60b8e1b9ae60b29b2b8de3bda705a6868fa962667b95a003bc31ce7b9a67679", kill_on_drop: false }`
[INFO] [stderr]    Compiling crust-of-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pretty_assertions::assert_eq`
[INFO] [stdout]   --> src/drop_check/boks.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use pretty_assertions::assert_eq;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `boks`
[INFO] [stdout]   --> src/drop_check/boks.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let boks = Boks::ny(&mut y);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_boks`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strlen` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn strlen(s: impl AsRef<str>) -> usize {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strlen_dyn` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn strlen_dyn(s: Box<dyn AsRef<str>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bool_then` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn bool_then<T>(b: bool, f: impl FnOnce() -> T) -> Option<T> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baz` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn baz(s: &dyn HeiAsRef) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_of_trait_object` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef<str>]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::str::<impl str>::len` that must be used
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     s.len();
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let _ = s.len();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]   --> src/dispatch_and_fat_pointers/main.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |     slice_of_trait_object(&[Box::new("hello").as_ref()])
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/drop_check/boks.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { Box::from_raw(self.p) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         unsafe { let _ = Box::from_raw(self.p); };
[INFO] [stdout]    |                  +++++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/smart_pointers_and_interior_mutability/rc.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             drop(inner);
[INFO] [stdout]    |             ^^^^^-----^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&RcInner<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "c60b8e1b9ae60b29b2b8de3bda705a6868fa962667b95a003bc31ce7b9a67679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60b8e1b9ae60b29b2b8de3bda705a6868fa962667b95a003bc31ce7b9a67679", kill_on_drop: false }`
[INFO] [stdout] c60b8e1b9ae60b29b2b8de3bda705a6868fa962667b95a003bc31ce7b9a67679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 909b72351dfac2317c80d829690b5bdbb53c881be30820cdcf57764b08801b97
[INFO] running `Command { std: "docker" "start" "-a" "909b72351dfac2317c80d829690b5bdbb53c881be30820cdcf57764b08801b97", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `pretty_assertions::assert_eq`
[INFO] [stderr]   --> src/drop_check/boks.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     use pretty_assertions::assert_eq;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `boks`
[INFO] [stderr]   --> src/drop_check/boks.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let boks = Boks::ny(&mut y);
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_boks`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `strlen` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn strlen(s: impl AsRef<str>) -> usize {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `strlen_dyn` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn strlen_dyn(s: Box<dyn AsRef<str>>) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bool_then` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn bool_then<T>(b: bool, f: impl FnOnce() -> T) -> Option<T> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `baz` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn baz(s: &dyn HeiAsRef) {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `slice_of_trait_object` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn slice_of_trait_object(v: &[&dyn AsRef<str>]) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub fn main() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::len` that must be used
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     s.len();
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let _ = s.len();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary allocation, use `&` instead
[INFO] [stderr]   --> src/dispatch_and_fat_pointers/main.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 |     slice_of_trait_object(&[Box::new("hello").as_ref()])
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_allocation)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/drop_check/boks.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 |         unsafe { Box::from_raw(self.p) };
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 10 |         unsafe { let _ = Box::from_raw(self.p); };
[INFO] [stderr]    |                  +++++++                      +
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/smart_pointers_and_interior_mutability/rc.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |             drop(inner);
[INFO] [stderr]    |             ^^^^^-----^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  argument has type `&RcInner<T>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `crust-of-rust` (bin "crust-of-rust" test) generated 12 warnings (run `cargo fix --bin "crust-of-rust" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/crust_of_rust-af509407ca1b5695)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test channels::panama::tests::closed_rx ... ok
[INFO] [stdout] test channels::panama::tests::ping_pong ... ok
[INFO] [stdout] test channels::panama::tests::closed_tx ... ok
[INFO] [stdout] test declarative_macros::vecmac::tests::clone_2 ... ok
[INFO] [stdout] test declarative_macros::vecmac::tests::double ... ok
[INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::mutex_test ... ok
[INFO] [stdout] test declarative_macros::vecmac::tests::empty_vec ... ok
[INFO] [stdout] test declarative_macros::vecmac::tests::single ... ok
[INFO] [stdout] test drop_check::boks::tests::it_works ... ok
[INFO] [stdout] test declarative_macros::vecmac::tests::trailing ... ok
[INFO] [stdout] test iterators::iterator::tests::both_ends ... ok
[INFO] [stdout] test iterators::iterator::tests::empty ... ok
[INFO] [stdout] test iterators::iterator::tests::empty_wide ... ok
[INFO] [stdout] test iterators::iterator::tests::two_reverse ... ok
[INFO] [stdout] test iterators::iterator::tests::two_wide ... ok
[INFO] [stdout] test iterators::iterator::tests::two ... ok
[INFO] [stdout] test iterators::iterator::tests::two_wide_reverse ... ok
[INFO] [stdout] test lifetime_annotations::strsplit::tests::it_works ... ok
[INFO] [stdout] test lifetime_annotations::strsplit::tests::empty_tail ... ok
[INFO] [stdout] test iterators::iterator::tests::one ... ok
[INFO] [stdout] test lifetime_annotations::strsplit::tests::tail ... ok
[INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char ... ok
[INFO] [stdout] test smart_pointers_and_interior_mutability::cell::tests::it_works ... ok
[INFO] [stdout] test smart_pointers_and_interior_mutability::rc::tests::it_works ... ok
[INFO] [stdout] test lifetime_annotations::strsplit::tests::test_until_char_with_unicode ... ok
[INFO] [stdout] test subtyping_and_variance::strtok::tests::it_works ... ok
[INFO] [stdout] test smart_pointers_and_interior_mutability::refcell::tests::it_works ... ok
[INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::it_works ... ok
[INFO] [stdout] test atomics_and_memory_ordering::atomics::tests::too_relaxed ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- atomics_and_memory_ordering::atomics::tests::too_relaxed stdout ----
[INFO] [stdout] thread 'atomics_and_memory_ordering::atomics::tests::too_relaxed' panicked at src/atomics_and_memory_ordering/atomics.rs:83:9:
[INFO] [stdout] assertion failed: `(left == right)`
[INFO] [stdout] 
[INFO] [stdout] [1mDiff[0m [31m< left[0m / [32mright >[0m :
[INFO] [stdout] [31m<[0m[1;48;5;52;31m42[0m
[INFO] [stdout] [32m>[0m[1;48;5;22;32m0[0m
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558102783d26 - std::backtrace_rs::backtrace::libunwind::trace::h261606ad26a499c1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x558102783d26 - std::backtrace_rs::backtrace::trace_unsynchronized::hd183f0625477fb28
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558102783d26 - std::sys_common::backtrace::_print_fmt::hd7f8fef21b4eda67
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x558102783d26 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h623d9b51f2f453f1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x5581027acc90 - core::fmt::rt::Argument::fmt::h9f417ac76a86f368
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x5581027acc90 - core::fmt::write::hc9b6faf4ac2aeff7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55810278176f - std::io::Write::write_fmt::he04625a3a989fec3
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x558102783b04 - std::sys_common::backtrace::_print::hd5d66399c7df88a2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x558102783b04 - std::sys_common::backtrace::print::he81ed2da642d37e5
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x558102785877 - std::panicking::default_hook::{{closure}}::h85773f4fa117163d
[INFO] [stdout]   10:     0x55810278555d - std::panicking::default_hook::h6a1694a91d09b278
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55810273baf7 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h616ac37fa3cd6c8f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55810273baf7 - test::test_main::{{closure}}::h00d84697cefdcbb6
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x558102785e96 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcb3fe3b9bb537ba8
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x558102785e96 - std::panicking::rust_panic_with_hook::h0a7ad96e90f7145b
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x558102785be2 - std::panicking::begin_panic_handler::{{closure}}::h7919090525c6485e
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x558102784226 - std::sys_common::backtrace::__rust_end_short_backtrace::hf3289479464f7dfe
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x558102785940 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x5581026d8cd5 - core::panicking::panic_fmt::hcc9f77c5c132af55
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x5581026f0aa6 - crust_of_rust::atomics_and_memory_ordering::atomics::tests::too_relaxed::h5a7acf900bdf9f26
[INFO] [stdout]                                at /opt/rustwide/workdir/src/atomics_and_memory_ordering/atomics.rs:83:9
[INFO] [stdout]   20:     0x5581026f0657 - crust_of_rust::atomics_and_memory_ordering::atomics::tests::too_relaxed::{{closure}}::hdcb2199f6df35b0d
[INFO] [stdout]                                at /opt/rustwide/workdir/src/atomics_and_memory_ordering/atomics.rs:66:21
[INFO] [stdout]   21:     0x5581026ecec6 - core::ops::function::FnOnce::call_once::hd271a6b79d35c21a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5581027413cf - core::ops::function::FnOnce::call_once::hd64d26f405258157
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5581027413cf - test::__rust_begin_short_backtrace::he21b0b7a6d731bf9
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:627:18
[INFO] [stdout]   24:     0x558102740151 - test::run_test_in_process::{{closure}}::hf5c73986d7bdfde2
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:60
[INFO] [stdout]   25:     0x558102740151 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h330011ad032aadc0
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x558102740151 - std::panicking::try::do_call::he61b0a958b795a41
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   27:     0x558102740151 - std::panicking::try::h7309da130f906eb7
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   28:     0x558102740151 - std::panic::catch_unwind::hc5c3a06fdaf0a92a
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   29:     0x558102740151 - test::run_test_in_process::h7e7b7c71c3324e0f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:650:27
[INFO] [stdout]   30:     0x558102740151 - test::run_test::{{closure}}::h1f509f28f5cf20b1
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:573:43
[INFO] [stdout]   31:     0x558102707486 - test::run_test::{{closure}}::h1754218abf443f6d
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/test/src/lib.rs:601:41
[INFO] [stdout]   32:     0x558102707486 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2ee174b9d5954948
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   33:     0x55810270c4e7 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hf60bee9c1a17ef09
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   34:     0x55810270c4e7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h33d0dddec5216160
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x55810270c4e7 - std::panicking::try::do_call::h144b3048b546f835
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:552:40
[INFO] [stdout]   36:     0x55810270c4e7 - std::panicking::try::h978244d04646189f
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panicking.rs:516:19
[INFO] [stdout]   37:     0x55810270c4e7 - std::panic::catch_unwind::hdf436369d188fe86
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/panic.rs:142:14
[INFO] [stdout]   38:     0x55810270c4e7 - std::thread::Builder::spawn_unchecked_::{{closure}}::h87329cbdd33c79ec
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   39:     0x55810270c4e7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h401abbe67897d450
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x55810278a945 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5d7c8f150ab9c84c
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   41:     0x55810278a945 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h570d5b005c242c15
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   42:     0x55810278a945 - std::sys::unix::thread::Thread::new::thread_start::h36b0a20c0b2361ad
[INFO] [stdout]                                at /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   43:     0x7f7c6562eac3 - <unknown>
[INFO] [stdout]   44:     0x7f7c656bfbf4 - __clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     atomics_and_memory_ordering::atomics::tests::too_relaxed
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 28 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin crust-of-rust`
[INFO] running `Command { std: "docker" "inspect" "909b72351dfac2317c80d829690b5bdbb53c881be30820cdcf57764b08801b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909b72351dfac2317c80d829690b5bdbb53c881be30820cdcf57764b08801b97", kill_on_drop: false }`
[INFO] [stdout] 909b72351dfac2317c80d829690b5bdbb53c881be30820cdcf57764b08801b97
