[INFO] cloning repository https://github.com/domtac/performance_comparison [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domtac/performance_comparison" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomtac%2Fperformance_comparison", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomtac%2Fperformance_comparison'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4963593188f3b45f15a7530ea35e4a8911561c7f [INFO] checking domtac/performance_comparison against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomtac%2Fperformance_comparison" "/workspace/builds/worker-82/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/domtac/performance_comparison on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/domtac/performance_comparison [INFO] finished tweaking git repo https://github.com/domtac/performance_comparison [INFO] tweaked toml for git repo https://github.com/domtac/performance_comparison written to /workspace/builds/worker-82/source/Cargo.toml [INFO] crate git repo https://github.com/domtac/performance_comparison already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7c919fce9125ea5de143be54598d7cd8bd722024c966c7a338ffd39c22909d6 [INFO] running `Command { std: "docker" "start" "-a" "f7c919fce9125ea5de143be54598d7cd8bd722024c966c7a338ffd39c22909d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7c919fce9125ea5de143be54598d7cd8bd722024c966c7a338ffd39c22909d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7c919fce9125ea5de143be54598d7cd8bd722024c966c7a338ffd39c22909d6", kill_on_drop: false }` [INFO] [stdout] f7c919fce9125ea5de143be54598d7cd8bd722024c966c7a338ffd39c22909d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3c05fec7ea7531e0d86d581208fdb2b6e6fdb96763e5114afebb2f6c9f1026e [INFO] running `Command { std: "docker" "start" "-a" "a3c05fec7ea7531e0d86d581208fdb2b6e6fdb96763e5114afebb2f6c9f1026e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking bubble_sort_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/quick_sort/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut pivot = vec[end]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/quick_sort/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut pivot = partition(vec, start, end); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec_size` [INFO] [stdout] --> src/par_quick_sort/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let vec_size = int_vec.len() - 1; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/quick_sort/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut pivot = vec[end]; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/quick_sort/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut pivot = partition(vec, start, end); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec_size` [INFO] [stdout] --> src/par_quick_sort/main.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | let vec_size = int_vec.len() - 1; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.15s [INFO] running `Command { std: "docker" "inspect" "a3c05fec7ea7531e0d86d581208fdb2b6e6fdb96763e5114afebb2f6c9f1026e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3c05fec7ea7531e0d86d581208fdb2b6e6fdb96763e5114afebb2f6c9f1026e", kill_on_drop: false }` [INFO] [stdout] a3c05fec7ea7531e0d86d581208fdb2b6e6fdb96763e5114afebb2f6c9f1026e