[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 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaciekTalaska%2Frust_performance_test" "/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/MaciekTalaska/rust_performance_test on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-5-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded getopts v0.2.18
[INFO] [stderr]   Downloaded rustc-test v0.3.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e969621a4bc31b8c31adaca9ae78234a64388070e7443c937af48efbef6c925
[INFO] running `Command { std: "docker" "start" "-a" "8e969621a4bc31b8c31adaca9ae78234a64388070e7443c937af48efbef6c925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e969621a4bc31b8c31adaca9ae78234a64388070e7443c937af48efbef6c925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e969621a4bc31b8c31adaca9ae78234a64388070e7443c937af48efbef6c925", kill_on_drop: false }`
[INFO] [stdout] 8e969621a4bc31b8c31adaca9ae78234a64388070e7443c937af48efbef6c925
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fce4de5bbb3f85f41ba1cb8af98f07b6163d68eb953e7607f4ad57093c7bcb6
[INFO] running `Command { std: "docker" "start" "-a" "7fce4de5bbb3f85f41ba1cb8af98f07b6163d68eb953e7607f4ad57093c7bcb6", 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]   |               ^^       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 5 -     for _i in { 0..size } {
[INFO] [stdout] 5 +     for _i in 0..size {
[INFO] [stdout]   |
[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]    |               ^^        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 17 -     for _i in { 0..count } {
[INFO] [stdout] 17 +     for _i in 0..count {
[INFO] [stdout]    |
[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]    |               ^^        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 26 -     for _i in { 0..count } {
[INFO] [stdout] 26 +     for _i in 0..count {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "7fce4de5bbb3f85f41ba1cb8af98f07b6163d68eb953e7607f4ad57093c7bcb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fce4de5bbb3f85f41ba1cb8af98f07b6163d68eb953e7607f4ad57093c7bcb6", kill_on_drop: false }`
[INFO] [stdout] 7fce4de5bbb3f85f41ba1cb8af98f07b6163d68eb953e7607f4ad57093c7bcb6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7979cd8e9b128b2af49b26e995bfc17642dbc3c73684d6e792865b9d8db318d2
[INFO] running `Command { std: "docker" "start" "-a" "7979cd8e9b128b2af49b26e995bfc17642dbc3c73684d6e792865b9d8db318d2", kill_on_drop: false }`
[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/vectors.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     for _i in { 0..size } {
[INFO] [stdout]   |               ^^       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 5 -     for _i in { 0..size } {
[INFO] [stdout] 5 +     for _i in 0..size {
[INFO] [stdout]   |
[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]    |               ^^        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 17 -     for _i in { 0..count } {
[INFO] [stdout] 17 +     for _i in 0..count {
[INFO] [stdout]    |
[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]    |               ^^        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 26 -     for _i in { 0..count } {
[INFO] [stdout] 26 +     for _i in 0..count {
[INFO] [stdout]    |
[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]   |               ^^       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 5 -     for _i in { 0..size } {
[INFO] [stdout] 5 +     for _i in 0..size {
[INFO] [stdout]   |
[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]    |               ^^        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 17 -     for _i in { 0..count } {
[INFO] [stdout] 17 +     for _i in 0..count {
[INFO] [stdout]    |
[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]    |               ^^        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 26 -     for _i in { 0..count } {
[INFO] [stdout] 26 +     for _i in 0..count {
[INFO] [stdout]    |
[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]    |                   ^^      ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 63 -         for _i in { 0..100 } {
[INFO] [stdout] 63 +         for _i in 0..100 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.62s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7979cd8e9b128b2af49b26e995bfc17642dbc3c73684d6e792865b9d8db318d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7979cd8e9b128b2af49b26e995bfc17642dbc3c73684d6e792865b9d8db318d2", kill_on_drop: false }`
[INFO] [stdout] 7979cd8e9b128b2af49b26e995bfc17642dbc3c73684d6e792865b9d8db318d2
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e97985ca4b06291f16ece6d5a913d0182fd95707258eabf5c49374f7e487200
[INFO] running `Command { std: "docker" "start" "-a" "9e97985ca4b06291f16ece6d5a913d0182fd95707258eabf5c49374f7e487200", 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]   |               ^^       ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr] 5 -     for _i in { 0..size } {
[INFO] [stderr] 5 +     for _i in 0..size {
[INFO] [stderr]   |
[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]    |               ^^        ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 17 -     for _i in { 0..count } {
[INFO] [stderr] 17 +     for _i in 0..count {
[INFO] [stderr]    |
[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]    |               ^^        ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 26 -     for _i in { 0..count } {
[INFO] [stderr] 26 +     for _i in 0..count {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_performance_test` (lib) generated 3 warnings (run `cargo fix --lib -p rust_performance_test` to apply 3 suggestions)
[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]    |                   ^^      ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 63 -         for _i in { 0..100 } {
[INFO] [stderr] 63 +         for _i in 0..100 {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_performance_test` (lib test) generated 4 warnings (3 duplicates) (run `cargo fix --lib -p rust_performance_test --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_performance_test-efa90da2bbf65afb)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests rust_performance_test
[INFO] [stdout] test vectors::build_vector_test::compare_vectors ... ok
[INFO] [stdout] test computation::computational_test::compare ... 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] 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]   |               ^^       ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr] 5 -     for _i in { 0..size } {
[INFO] [stderr] 5 +     for _i in 0..size {
[INFO] [stderr]   |
[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]    |               ^^        ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 17 -     for _i in { 0..count } {
[INFO] [stderr] 17 +     for _i in 0..count {
[INFO] [stderr]    |
[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]    |               ^^        ^^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 26 -     for _i in { 0..count } {
[INFO] [stderr] 26 +     for _i in 0..count {
[INFO] [stderr]    |
[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" "9e97985ca4b06291f16ece6d5a913d0182fd95707258eabf5c49374f7e487200", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e97985ca4b06291f16ece6d5a913d0182fd95707258eabf5c49374f7e487200", kill_on_drop: false }`
[INFO] [stdout] 9e97985ca4b06291f16ece6d5a913d0182fd95707258eabf5c49374f7e487200
[INFO] testing MaciekTalaska/rust_performance_test against beta-2024-01-09 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaciekTalaska%2Frust_performance_test" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaciekTalaska/rust_performance_test on toolchain beta-2024-01-09
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-09" "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-5-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-09" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54ead3173da87f9b8ac7811a238525e641256e50fa75afef676a811c401e51ba
[INFO] running `Command { std: "docker" "start" "-a" "54ead3173da87f9b8ac7811a238525e641256e50fa75afef676a811c401e51ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54ead3173da87f9b8ac7811a238525e641256e50fa75afef676a811c401e51ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ead3173da87f9b8ac7811a238525e641256e50fa75afef676a811c401e51ba", kill_on_drop: false }`
[INFO] [stdout] 54ead3173da87f9b8ac7811a238525e641256e50fa75afef676a811c401e51ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 362c0bd5b20d6bf981ed3d2fc8e7af9a6a98d9fb8d40413629f1d5c4bd4972ef
[INFO] running `Command { std: "docker" "start" "-a" "362c0bd5b20d6bf981ed3d2fc8e7af9a6a98d9fb8d40413629f1d5c4bd4972ef", 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]   |               ^^       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 5 -     for _i in { 0..size } {
[INFO] [stdout] 5 +     for _i in 0..size {
[INFO] [stdout]   |
[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]    |               ^^        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 17 -     for _i in { 0..count } {
[INFO] [stdout] 17 +     for _i in 0..count {
[INFO] [stdout]    |
[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]    |               ^^        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 26 -     for _i in { 0..count } {
[INFO] [stdout] 26 +     for _i in 0..count {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "362c0bd5b20d6bf981ed3d2fc8e7af9a6a98d9fb8d40413629f1d5c4bd4972ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362c0bd5b20d6bf981ed3d2fc8e7af9a6a98d9fb8d40413629f1d5c4bd4972ef", kill_on_drop: false }`
[INFO] [stdout] 362c0bd5b20d6bf981ed3d2fc8e7af9a6a98d9fb8d40413629f1d5c4bd4972ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b28f57876e38740589e90af149a7d98473891b6d6d101f8e6069723a23aa3c2d
[INFO] running `Command { std: "docker" "start" "-a" "b28f57876e38740589e90af149a7d98473891b6d6d101f8e6069723a23aa3c2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[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]   |               ^^       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout] 5 -     for _i in { 0..size } {
[INFO] [stdout] 5 +     for _i in 0..size {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bencher v0.1.5
[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]    |               ^^        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 17 -     for _i in { 0..count } {
[INFO] [stdout] 17 +     for _i in 0..count {
[INFO] [stdout]    |
[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]    |               ^^        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 26 -     for _i in { 0..count } {
[INFO] [stdout] 26 +     for _i in 0..count {
[INFO] [stdout]    |
[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 time v0.1.40
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/650745ceb2ae60e04f8cd7bfb671fc37239533e4/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rustc-test v0.3.0
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b28f57876e38740589e90af149a7d98473891b6d6d101f8e6069723a23aa3c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b28f57876e38740589e90af149a7d98473891b6d6d101f8e6069723a23aa3c2d", kill_on_drop: false }`
[INFO] [stdout] b28f57876e38740589e90af149a7d98473891b6d6d101f8e6069723a23aa3c2d
