[INFO] cloning repository https://github.com/matthiaskrgr/rust-str-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthiaskrgr/rust-str-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Frust-str-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Frust-str-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a937bf3cdc92f81644a5f3259540c56554dba115
[INFO] testing matthiaskrgr/rust-str-bench against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Frust-str-bench" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matthiaskrgr/rust-str-bench 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/matthiaskrgr/rust-str-bench
[INFO] finished tweaking git repo https://github.com/matthiaskrgr/rust-str-bench
[INFO] tweaked toml for git repo https://github.com/matthiaskrgr/rust-str-bench written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/matthiaskrgr/rust-str-bench 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] d6ceba99ec37faf7bac49c5ed551ff72365678c89de2408064ec3068385be361
[INFO] running `Command { std: "docker" "start" "-a" "d6ceba99ec37faf7bac49c5ed551ff72365678c89de2408064ec3068385be361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6ceba99ec37faf7bac49c5ed551ff72365678c89de2408064ec3068385be361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ceba99ec37faf7bac49c5ed551ff72365678c89de2408064ec3068385be361", kill_on_drop: false }`
[INFO] [stdout] d6ceba99ec37faf7bac49c5ed551ff72365678c89de2408064ec3068385be361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 1f007e9a9a5eaeacc637bf7d944aad7fcb1b01cf5ff7558d1e2e911bb85ecd5d
[INFO] running `Command { std: "docker" "start" "-a" "1f007e9a9a5eaeacc637bf7d944aad7fcb1b01cf5ff7558d1e2e911bb85ecd5d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling str_bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "1f007e9a9a5eaeacc637bf7d944aad7fcb1b01cf5ff7558d1e2e911bb85ecd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f007e9a9a5eaeacc637bf7d944aad7fcb1b01cf5ff7558d1e2e911bb85ecd5d", kill_on_drop: false }`
[INFO] [stdout] 1f007e9a9a5eaeacc637bf7d944aad7fcb1b01cf5ff7558d1e2e911bb85ecd5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 1e7264e57836505e2b07d65d99ed9400c2aeca6675d337bd10d58a308681525a
[INFO] running `Command { std: "docker" "start" "-a" "1e7264e57836505e2b07d65d99ed9400c2aeca6675d337bd10d58a308681525a", kill_on_drop: false }`
[INFO] [stderr]    Compiling str_bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "1e7264e57836505e2b07d65d99ed9400c2aeca6675d337bd10d58a308681525a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7264e57836505e2b07d65d99ed9400c2aeca6675d337bd10d58a308681525a", kill_on_drop: false }`
[INFO] [stdout] 1e7264e57836505e2b07d65d99ed9400c2aeca6675d337bd10d58a308681525a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] c97b08e91468b9ccf082bc9675abf13697110a7d05d724dea51a2646dc93bbd2
[INFO] running `Command { std: "docker" "start" "-a" "c97b08e91468b9ccf082bc9675abf13697110a7d05d724dea51a2646dc93bbd2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/str_bench-c93973ba5611669a)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::bench_const_str_var ... ok
[INFO] [stdout] test tests::bench_inline_format ... ok
[INFO] [stdout] test tests::bench_inline_format_stringfrom ... ok
[INFO] [stdout] test tests::bench_let_stringfrom_var ... ok
[INFO] [stdout] test tests::bench_inline ... ok
[INFO] [stdout] test tests::bench_inline_format_tostring ... ok
[INFO] [stdout] test tests::bench_let_str_var ... ok
[INFO] [stdout] test tests::bench_inline_format_ref ... ok
[INFO] [stdout] test tests::bench_let_tostring_var ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c97b08e91468b9ccf082bc9675abf13697110a7d05d724dea51a2646dc93bbd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97b08e91468b9ccf082bc9675abf13697110a7d05d724dea51a2646dc93bbd2", kill_on_drop: false }`
[INFO] [stdout] c97b08e91468b9ccf082bc9675abf13697110a7d05d724dea51a2646dc93bbd2