[INFO] cloning repository https://github.com/Utishnik/SecureArc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Utishnik/SecureArc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUtishnik%2FSecureArc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUtishnik%2FSecureArc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d9abc72f85eeb5cf53b562a173fb9e777884822
[INFO] checking Utishnik/SecureArc against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUtishnik%2FSecureArc" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Utishnik/SecureArc
[INFO] finished tweaking git repo https://github.com/Utishnik/SecureArc
[INFO] tweaked toml for git repo https://github.com/Utishnik/SecureArc written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Utishnik/SecureArc on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Utishnik/SecureArc 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd3228ce9918faf157be1dafba8cb7f21e99d2c15ac723769d39d93efb987869
[INFO] running `Command { std: "docker" "start" "-a" "cd3228ce9918faf157be1dafba8cb7f21e99d2c15ac723769d39d93efb987869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd3228ce9918faf157be1dafba8cb7f21e99d2c15ac723769d39d93efb987869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3228ce9918faf157be1dafba8cb7f21e99d2c15ac723769d39d93efb987869", kill_on_drop: false }`
[INFO] [stdout] cd3228ce9918faf157be1dafba8cb7f21e99d2c15ac723769d39d93efb987869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 262c947f17c5bf8eaf460c9cfa692e860c938eee7a1afffe74eacece57f54df8
[INFO] running `Command { std: "docker" "start" "-a" "262c947f17c5bf8eaf460c9cfa692e860c938eee7a1afffe74eacece57f54df8", kill_on_drop: false }`
[INFO] [stderr]     Checking allocator-api2 v0.4.0
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]     Checking region v3.0.2
[INFO] [stderr]     Checking arc_secure v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Weak` is never constructed
[INFO] [stdout]   --> src/arc.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct Weak<T: ?Sized, A: Allocator = Global> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc_secure` (lib) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `SecureArc` is never constructed
[INFO] [stdout]   --> src/arc.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SecureArc<T: ?Sized, A: Allocator = Global> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/arc.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> SecureArc<T> {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new(data: T) -> SecureArc<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new_in` and `new_zeroed` are never used
[INFO] [stdout]   --> src/arc.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T, A: Allocator> SecureArc<T, A> {
[INFO] [stdout]    | ------------------------------------- associated functions in this implementation
[INFO] [stdout] 48 |     #[inline]
[INFO] [stdout] 49 |     pub fn new_in(data: T, alloc: A) -> SecureArc<T, A> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn new_zeroed() {}
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_inner` and `from_ptr` are never used
[INFO] [stdout]   --> src/arc.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl<T: ?Sized> SecureArc<T> {
[INFO] [stdout]    | ---------------------------- associated functions in this implementation
[INFO] [stdout] 68 |     unsafe fn from_inner(ptr: NonNull<SecureArcInner<T>>) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     unsafe fn from_ptr(ptr: *mut SecureArcInner<T>) -> Self {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `into_inner_with_allocator`, `from_inner_in`, and `from_ptr_in` are never used
[INFO] [stdout]   --> src/arc.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl<T: ?Sized, A: Allocator> SecureArc<T, A> {
[INFO] [stdout]    | --------------------------------------------- associated functions in this implementation
[INFO] [stdout] 78 |     #[inline]
[INFO] [stdout] 79 |     fn into_inner_with_allocator(this: Self) -> (NonNull<SecureArcInner<T>>, A) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     unsafe fn from_inner_in(ptr: NonNull<SecureArcInner<T>>, alloc: A) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     unsafe fn from_ptr_in(ptr: *mut SecureArcInner<T>, alloc: A) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ptr` and `alloc` are never read
[INFO] [stdout]    --> src/arc.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | pub struct Weak<T: ?Sized, A: Allocator = Global> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 105 |     ptr: NonNull<SecureArcInner<T>>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 106 |     alloc: A,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Weak` is never constructed
[INFO] [stdout]   --> src/arc.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct Weak<T: ?Sized, A: Allocator = Global> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SecureArc` is never constructed
[INFO] [stdout]   --> src/arc.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct SecureArc<T: ?Sized, A: Allocator = Global> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/arc.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> SecureArc<T> {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new(data: T) -> SecureArc<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new_in` and `new_zeroed` are never used
[INFO] [stdout]   --> src/arc.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T, A: Allocator> SecureArc<T, A> {
[INFO] [stdout]    | ------------------------------------- associated functions in this implementation
[INFO] [stdout] 48 |     #[inline]
[INFO] [stdout] 49 |     pub fn new_in(data: T, alloc: A) -> SecureArc<T, A> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn new_zeroed() {}
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_inner` and `from_ptr` are never used
[INFO] [stdout]   --> src/arc.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl<T: ?Sized> SecureArc<T> {
[INFO] [stdout]    | ---------------------------- associated functions in this implementation
[INFO] [stdout] 68 |     unsafe fn from_inner(ptr: NonNull<SecureArcInner<T>>) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     unsafe fn from_ptr(ptr: *mut SecureArcInner<T>) -> Self {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `into_inner_with_allocator`, `from_inner_in`, and `from_ptr_in` are never used
[INFO] [stdout]   --> src/arc.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl<T: ?Sized, A: Allocator> SecureArc<T, A> {
[INFO] [stdout]    | --------------------------------------------- associated functions in this implementation
[INFO] [stdout] 78 |     #[inline]
[INFO] [stdout] 79 |     fn into_inner_with_allocator(this: Self) -> (NonNull<SecureArcInner<T>>, A) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     unsafe fn from_inner_in(ptr: NonNull<SecureArcInner<T>>, alloc: A) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     unsafe fn from_ptr_in(ptr: *mut SecureArcInner<T>, alloc: A) -> Self {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ptr` and `alloc` are never read
[INFO] [stdout]    --> src/arc.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | pub struct Weak<T: ?Sized, A: Allocator = Global> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 105 |     ptr: NonNull<SecureArcInner<T>>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 106 |     alloc: A,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc_secure` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "262c947f17c5bf8eaf460c9cfa692e860c938eee7a1afffe74eacece57f54df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "262c947f17c5bf8eaf460c9cfa692e860c938eee7a1afffe74eacece57f54df8", kill_on_drop: false }`
[INFO] [stdout] 262c947f17c5bf8eaf460c9cfa692e860c938eee7a1afffe74eacece57f54df8
