[INFO] cloning repository https://github.com/Esu0/mylib-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Esu0/mylib-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEsu0%2Fmylib-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEsu0%2Fmylib-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25e79bb26906e98bce5f396569b938e2dc9fa723
[INFO] checking Esu0/mylib-rust/25e79bb26906e98bce5f396569b938e2dc9fa723 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEsu0%2Fmylib-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Esu0/mylib-rust 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/mylib-rust
[INFO] finished tweaking git repo https://github.com/Esu0/mylib-rust
[INFO] tweaked toml for git repo https://github.com/Esu0/mylib-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Esu0/mylib-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a29d3bae0925ac93a50f2db5b2879141dbd506c1428e33266e5edb441b0c6a40
[INFO] running `Command { std: "docker" "start" "-a" "a29d3bae0925ac93a50f2db5b2879141dbd506c1428e33266e5edb441b0c6a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a29d3bae0925ac93a50f2db5b2879141dbd506c1428e33266e5edb441b0c6a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29d3bae0925ac93a50f2db5b2879141dbd506c1428e33266e5edb441b0c6a40", kill_on_drop: false }`
[INFO] [stdout] a29d3bae0925ac93a50f2db5b2879141dbd506c1428e33266e5edb441b0c6a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2804f2d2b640097f71dd8dca9a707d379419fd17e523749a8edbd4cdeb6cbe45
[INFO] running `Command { std: "docker" "start" "-a" "2804f2d2b640097f71dd8dca9a707d379419fd17e523749a8edbd4cdeb6cbe45", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking proconio v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking plotters-svg v0.3.6
[INFO] [stderr]     Checking memory-pool v0.1.0 (/opt/rustwide/workdir/memory-pool)
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking z-algorithm v0.1.0 (/opt/rustwide/workdir/z-algorithm)
[INFO] [stderr]     Checking persistent-array v0.1.0 (/opt/rustwide/workdir/persistent-array)
[INFO] [stderr]     Checking lib-checker v0.1.0 (/opt/rustwide/workdir/lib-checker)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> persistent-array/src/array.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn get(&self, index: usize) -> Option<&T> {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> persistent-array/src/array.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn set(&self, index: usize, value: T) -> Self {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> persistent-array/src/array.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn set(&self, index: usize, value: T) -> Self {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> persistent-array/src/array.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct PersistentArray<T> {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 2 |     data: Box<[T]>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking segtree v0.1.0 (/opt/rustwide/workdir/segtree)
[INFO] [stderr]     Checking union-find v0.1.0 (/opt/rustwide/workdir/union-find)
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> persistent-array/src/array.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn get(&self, index: usize) -> Option<&T> {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> persistent-array/src/array.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn set(&self, index: usize, value: T) -> Self {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> persistent-array/src/array.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn set(&self, index: usize, value: T) -> Self {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> persistent-array/src/array.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct PersistentArray<T> {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 2 |     data: Box<[T]>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.59s
[INFO] running `Command { std: "docker" "inspect" "2804f2d2b640097f71dd8dca9a707d379419fd17e523749a8edbd4cdeb6cbe45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2804f2d2b640097f71dd8dca9a707d379419fd17e523749a8edbd4cdeb6cbe45", kill_on_drop: false }`
[INFO] [stdout] 2804f2d2b640097f71dd8dca9a707d379419fd17e523749a8edbd4cdeb6cbe45