[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#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthiaskrgr%2Frust-str-bench" "/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/matthiaskrgr/rust-str-bench on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1709a0475da750b2b5f4baa8f8e387ed770b2c2d83933d587c083bb92890a212
[INFO] running `Command { std: "docker" "start" "-a" "1709a0475da750b2b5f4baa8f8e387ed770b2c2d83933d587c083bb92890a212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1709a0475da750b2b5f4baa8f8e387ed770b2c2d83933d587c083bb92890a212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1709a0475da750b2b5f4baa8f8e387ed770b2c2d83933d587c083bb92890a212", kill_on_drop: false }`
[INFO] [stdout] 1709a0475da750b2b5f4baa8f8e387ed770b2c2d83933d587c083bb92890a212
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12a8d3e6837134c66c3f5cd8e38eba7045394d8ab5f70e1e20029df15018d673
[INFO] running `Command { std: "docker" "start" "-a" "12a8d3e6837134c66c3f5cd8e38eba7045394d8ab5f70e1e20029df15018d673", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling str_bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "12a8d3e6837134c66c3f5cd8e38eba7045394d8ab5f70e1e20029df15018d673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a8d3e6837134c66c3f5cd8e38eba7045394d8ab5f70e1e20029df15018d673", kill_on_drop: false }`
[INFO] [stdout] 12a8d3e6837134c66c3f5cd8e38eba7045394d8ab5f70e1e20029df15018d673
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1ead79454a2eb5723fbd55aa4a6538bd99b0ac2d70d9a98f86078255400f170
[INFO] running `Command { std: "docker" "start" "-a" "a1ead79454a2eb5723fbd55aa4a6538bd99b0ac2d70d9a98f86078255400f170", kill_on_drop: false }`
[INFO] [stderr]    Compiling str_bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "a1ead79454a2eb5723fbd55aa4a6538bd99b0ac2d70d9a98f86078255400f170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ead79454a2eb5723fbd55aa4a6538bd99b0ac2d70d9a98f86078255400f170", kill_on_drop: false }`
[INFO] [stdout] a1ead79454a2eb5723fbd55aa4a6538bd99b0ac2d70d9a98f86078255400f170
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 104775b3595d72788616e72f325ebf87f00ed42137f1c13e853894329b4f12da
[INFO] running `Command { std: "docker" "start" "-a" "104775b3595d72788616e72f325ebf87f00ed42137f1c13e853894329b4f12da", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/str_bench-eb08c6913ed843db)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::bench_inline_format_stringfrom ... 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 ... ok
[INFO] [stdout] test tests::bench_inline_format_ref ... ok
[INFO] [stdout] test tests::bench_let_tostring_var ... ok
[INFO] [stdout] test tests::bench_const_str_var ... ok
[INFO] [stdout] test tests::bench_inline ... ok
[INFO] [stdout] test tests::bench_let_stringfrom_var ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "104775b3595d72788616e72f325ebf87f00ed42137f1c13e853894329b4f12da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104775b3595d72788616e72f325ebf87f00ed42137f1c13e853894329b4f12da", kill_on_drop: false }`
[INFO] [stdout] 104775b3595d72788616e72f325ebf87f00ed42137f1c13e853894329b4f12da