[INFO] cloning repository https://github.com/MaciekTalaska/rust_performance_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaciekTalaska/rust_performance_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaciekTalaska%2Frust_performance_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaciekTalaska%2Frust_performance_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 875939fdc54e37e9c5814f275b43b4b66b7aa3ad
[INFO] testing MaciekTalaska/rust_performance_test against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaciekTalaska%2Frust_performance_test" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaciekTalaska/rust_performance_test on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaciekTalaska/rust_performance_test
[INFO] finished tweaking git repo https://github.com/MaciekTalaska/rust_performance_test
[INFO] tweaked toml for git repo https://github.com/MaciekTalaska/rust_performance_test written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/MaciekTalaska/rust_performance_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd1ebe8f182284120e13baeb3174d1eb0a8974505e85c760036ac729db6f87e4
[INFO] running `Command { std: "docker" "start" "-a" "fd1ebe8f182284120e13baeb3174d1eb0a8974505e85c760036ac729db6f87e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd1ebe8f182284120e13baeb3174d1eb0a8974505e85c760036ac729db6f87e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1ebe8f182284120e13baeb3174d1eb0a8974505e85c760036ac729db6f87e4", kill_on_drop: false }`
[INFO] [stdout] fd1ebe8f182284120e13baeb3174d1eb0a8974505e85c760036ac729db6f87e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b07f466af7f971ec409e521481442b7b450d99d800699849b139228fd2c57ac
[INFO] running `Command { std: "docker" "start" "-a" "4b07f466af7f971ec409e521481442b7b450d99d800699849b139228fd2c57ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_performance_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]  --> src/vectors.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     for _i in { 0..size } {
[INFO] [stdout]   |               ^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/computation.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for _i in { 0..count } {
[INFO] [stdout]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/computation.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for _i in { 0..count } {
[INFO] [stdout]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "4b07f466af7f971ec409e521481442b7b450d99d800699849b139228fd2c57ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b07f466af7f971ec409e521481442b7b450d99d800699849b139228fd2c57ac", kill_on_drop: false }`
[INFO] [stdout] 4b07f466af7f971ec409e521481442b7b450d99d800699849b139228fd2c57ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de68624955ae4ed9859cde7541866f46869b66f2c17ee6c49f2190d29ac291b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de68624955ae4ed9859cde7541866f46869b66f2c17ee6c49f2190d29ac291b7", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]  --> src/vectors.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     for _i in { 0..size } {
[INFO] [stdout]   |               ^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/computation.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for _i in { 0..count } {
[INFO] [stdout]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/computation.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for _i in { 0..count } {
[INFO] [stdout]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rustc-test v0.3.0
[INFO] [stderr]    Compiling rust_performance_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]  --> src/vectors.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     for _i in { 0..size } {
[INFO] [stdout]   |               ^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/computation.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for _i in { 0..count } {
[INFO] [stdout]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/computation.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for _i in { 0..count } {
[INFO] [stdout]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `for` iterator expression
[INFO] [stdout]   --> src/computation.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |         for _i in { 0..100 } {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.20s
[INFO] running `Command { std: "docker" "inspect" "de68624955ae4ed9859cde7541866f46869b66f2c17ee6c49f2190d29ac291b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de68624955ae4ed9859cde7541866f46869b66f2c17ee6c49f2190d29ac291b7", kill_on_drop: false }`
[INFO] [stdout] de68624955ae4ed9859cde7541866f46869b66f2c17ee6c49f2190d29ac291b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78f32d28866209090a7b0de5f100bf04fedfb2db3afbdf178dc52f3458655bed
[INFO] running `Command { std: "docker" "start" "-a" "78f32d28866209090a7b0de5f100bf04fedfb2db3afbdf178dc52f3458655bed", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]  --> src/vectors.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     for _i in { 0..size } {
[INFO] [stderr]   |               ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]   --> src/computation.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     for _i in { 0..count } {
[INFO] [stderr]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]   --> src/computation.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for _i in { 0..count } {
[INFO] [stderr]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]  --> src/vectors.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     for _i in { 0..size } {
[INFO] [stderr]   |               ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]   --> src/computation.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     for _i in { 0..count } {
[INFO] [stderr]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]   --> src/computation.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for _i in { 0..count } {
[INFO] [stderr]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]   --> src/computation.rs:63:19
[INFO] [stderr]    |
[INFO] [stderr] 63 |         for _i in { 0..100 } {
[INFO] [stderr]    |                   ^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_performance_test-76c0fe049fcba61f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test computation::computational_test::compare ... ok
[INFO] [stdout] test vectors::build_vector_test::compare_vectors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_performance_test
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]  --> /opt/rustwide/workdir/src/vectors.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     for _i in { 0..size } {
[INFO] [stderr]   |               ^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]   --> /opt/rustwide/workdir/src/computation.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     for _i in { 0..count } {
[INFO] [stderr]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `for` iterator expression
[INFO] [stderr]   --> /opt/rustwide/workdir/src/computation.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for _i in { 0..count } {
[INFO] [stderr]    |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78f32d28866209090a7b0de5f100bf04fedfb2db3afbdf178dc52f3458655bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f32d28866209090a7b0de5f100bf04fedfb2db3afbdf178dc52f3458655bed", kill_on_drop: false }`
[INFO] [stdout] 78f32d28866209090a7b0de5f100bf04fedfb2db3afbdf178dc52f3458655bed