[INFO] cloning repository https://github.com/lengyijun/simple_comparision_with_for_and_iterator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lengyijun/simple_comparision_with_for_and_iterator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flengyijun%2Fsimple_comparision_with_for_and_iterator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flengyijun%2Fsimple_comparision_with_for_and_iterator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a6738abc9df89684bd026d1ba885cae408e57aa
[INFO] testing lengyijun/simple_comparision_with_for_and_iterator against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flengyijun%2Fsimple_comparision_with_for_and_iterator" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lengyijun/simple_comparision_with_for_and_iterator on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lengyijun/simple_comparision_with_for_and_iterator
[INFO] finished tweaking git repo https://github.com/lengyijun/simple_comparision_with_for_and_iterator
[INFO] tweaked toml for git repo https://github.com/lengyijun/simple_comparision_with_for_and_iterator written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate git repo https://github.com/lengyijun/simple_comparision_with_for_and_iterator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b05508ecf18cebc97edb0d3828f7f7a52167b50ff384220ab564692d11306f5c
[INFO] running `Command { std: "docker" "start" "-a" "b05508ecf18cebc97edb0d3828f7f7a52167b50ff384220ab564692d11306f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b05508ecf18cebc97edb0d3828f7f7a52167b50ff384220ab564692d11306f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05508ecf18cebc97edb0d3828f7f7a52167b50ff384220ab564692d11306f5c", kill_on_drop: false }`
[INFO] [stdout] b05508ecf18cebc97edb0d3828f7f7a52167b50ff384220ab564692d11306f5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a2f8475a1070d13c24ee76d2bf2d52aa7d9399bd87f6b5211673e4c728eee2e
[INFO] running `Command { std: "docker" "start" "-a" "4a2f8475a1070d13c24ee76d2bf2d52aa7d9399bd87f6b5211673e4c728eee2e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jiting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static is never used: `N`
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | static N: usize = 1000;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "4a2f8475a1070d13c24ee76d2bf2d52aa7d9399bd87f6b5211673e4c728eee2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2f8475a1070d13c24ee76d2bf2d52aa7d9399bd87f6b5211673e4c728eee2e", kill_on_drop: false }`
[INFO] [stdout] 4a2f8475a1070d13c24ee76d2bf2d52aa7d9399bd87f6b5211673e4c728eee2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 865c65456cb83f6b560722ec6f642cc2fba6fb50b582c421b987794bc348fd78
[INFO] running `Command { std: "docker" "start" "-a" "865c65456cb83f6b560722ec6f642cc2fba6fb50b582c421b987794bc348fd78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jiting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let a: Vec<usize> = (1..).take(N).collect();
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "865c65456cb83f6b560722ec6f642cc2fba6fb50b582c421b987794bc348fd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "865c65456cb83f6b560722ec6f642cc2fba6fb50b582c421b987794bc348fd78", kill_on_drop: false }`
[INFO] [stdout] 865c65456cb83f6b560722ec6f642cc2fba6fb50b582c421b987794bc348fd78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5af85214b82d2ea961c6f40a0212e8e0c6576b06dff964cfeefa9c2a408950e
[INFO] running `Command { std: "docker" "start" "-a" "c5af85214b82d2ea961c6f40a0212e8e0c6576b06dff964cfeefa9c2a408950e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/main.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |             let a: Vec<usize> = (1..).take(N).collect();
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jiting` (bin "jiting" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.98s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jiting-a1f1fd3eb77021b9)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::bench_use_iterator ... ok
[INFO] [stdout] test tests::bench_use_for ... ok
[INFO] [stdout] test tests::bench_use_while ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5af85214b82d2ea961c6f40a0212e8e0c6576b06dff964cfeefa9c2a408950e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5af85214b82d2ea961c6f40a0212e8e0c6576b06dff964cfeefa9c2a408950e", kill_on_drop: false }`
[INFO] [stdout] c5af85214b82d2ea961c6f40a0212e8e0c6576b06dff964cfeefa9c2a408950e