[INFO] cloning repository https://github.com/Esu0/rust-workspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Esu0/rust-workspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEsu0%2Frust-workspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEsu0%2Frust-workspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06a86d9f13a738a01a2ffd2e665f5d9aae3d3459
[INFO] checking Esu0/rust-workspace/06a86d9f13a738a01a2ffd2e665f5d9aae3d3459 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEsu0%2Frust-workspace" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Esu0/rust-workspace on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Esu0/rust-workspace
[INFO] finished tweaking git repo https://github.com/Esu0/rust-workspace
[INFO] tweaked toml for git repo https://github.com/Esu0/rust-workspace written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Esu0/rust-workspace 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio v0.5.0
[INFO] [stderr]   Downloaded proconio v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41d398c5dc7aed1ee0c46e9d701b3c89720e6808f31d62874a80ce7d17be3718
[INFO] running `Command { std: "docker" "start" "-a" "41d398c5dc7aed1ee0c46e9d701b3c89720e6808f31d62874a80ce7d17be3718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41d398c5dc7aed1ee0c46e9d701b3c89720e6808f31d62874a80ce7d17be3718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d398c5dc7aed1ee0c46e9d701b3c89720e6808f31d62874a80ce7d17be3718", kill_on_drop: false }`
[INFO] [stdout] 41d398c5dc7aed1ee0c46e9d701b3c89720e6808f31d62874a80ce7d17be3718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8978bec1bba093b8f886117335eeff86a64a221a33aab89af7148a24a51000d9
[INFO] running `Command { std: "docker" "start" "-a" "8978bec1bba093b8f886117335eeff86a64a221a33aab89af7148a24a51000d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking proconio v0.4.5
[INFO] [stderr]     Checking clap_builder v4.5.7
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking opt-div v0.1.0 (/opt/rustwide/workdir/opt-div)
[INFO] [stderr]     Checking tree v0.1.0 (/opt/rustwide/workdir/tree)
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking super-mod-pow v0.1.0 (/opt/rustwide/workdir/super-mod-pow)
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking proconio v0.5.0
[INFO] [stdout] warning: struct `SearchTree` is never constructed
[INFO] [stdout]  --> tree/src/tree.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct SearchTree<T> {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> tree/src/tree.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T> SearchTree<T> {
[INFO] [stdout]    | --------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub const fn new() -> Self {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find` and `insert` are never used
[INFO] [stdout]   --> tree/src/tree.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T: Ord> SearchTree<T> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] 19 |     pub fn find<Q>(&self, key: &Q) -> Option<(NodeRef<T>, cmp::Ordering)>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn insert(&mut self, val: T) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]  --> tree/src/tree/link_cut.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct LinkCutTree<T> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     root: Option<NodeRef<T>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expose` is never used
[INFO] [stdout]   --> tree/src/tree/link_cut.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<T> LinkCutTree<T> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn expose(&mut self, mut node: NodeRef<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> super-mod-pow/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eratosthenes` is never used
[INFO] [stdout]  --> super-mod-pow/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn eratosthenes(n: u64) -> Vec<u64> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]   --> super-mod-pow/src/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn is_prime(n: u64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking name-shuffle v0.1.0 (/opt/rustwide/workdir/name-shuffle)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> super-mod-pow/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eratosthenes` is never used
[INFO] [stdout]  --> super-mod-pow/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn eratosthenes(n: u64) -> Vec<u64> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_prime` is never used
[INFO] [stdout]   --> super-mod-pow/src/main.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn is_prime(n: u64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fake-static v0.1.0 (/opt/rustwide/workdir/fake-static)
[INFO] [stderr]     Checking borrow-stack-ex v0.1.0 (/opt/rustwide/workdir/borrow-stack-ex)
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]  --> tree/src/tree/link_cut.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct LinkCutTree<T> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     root: Option<NodeRef<T>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expose` is never used
[INFO] [stdout]   --> tree/src/tree/link_cut.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl<T> LinkCutTree<T> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn expose(&mut self, mut node: NodeRef<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dijkstra v0.1.0 (/opt/rustwide/workdir/dijkstra)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> fake-static/src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn h<'a, 'b, T, U>(x: &'a &'b (), y: &'a T, z: &'b U) -> &'a U {
[INFO] [stdout]   |                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> fake-static/src/main.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn h<'a, 'b, T, U>(x: &'a &'b (), y: &'a T, z: &'b U) -> &'a U {
[INFO] [stdout]   |                                   ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> fake-static/src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let b = fake_static(&a);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> fake-static/src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn h<'a, 'b, T, U>(x: &'a &'b (), y: &'a T, z: &'b U) -> &'a U {
[INFO] [stdout]   |                    ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> fake-static/src/main.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn h<'a, 'b, T, U>(x: &'a &'b (), y: &'a T, z: &'b U) -> &'a U {
[INFO] [stdout]   |                                   ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> fake-static/src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let b = fake_static(&a);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]     Checking number-puzzle v0.1.0 (/opt/rustwide/workdir/number-puzzle)
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking clap v4.5.7
[INFO] [stderr]     Checking im-test v0.1.0 (/opt/rustwide/workdir/im-test)
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking serde v1.0.203
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "8978bec1bba093b8f886117335eeff86a64a221a33aab89af7148a24a51000d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8978bec1bba093b8f886117335eeff86a64a221a33aab89af7148a24a51000d9", kill_on_drop: false }`
[INFO] [stdout] 8978bec1bba093b8f886117335eeff86a64a221a33aab89af7148a24a51000d9