[INFO] cloning repository https://github.com/PSeitz/rust_stack_string
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PSeitz/rust_stack_string" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPSeitz%2Frust_stack_string", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPSeitz%2Frust_stack_string'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 836227b1ef21324a85a2671b179cbd4be1ec9726
[INFO] testing PSeitz/rust_stack_string against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPSeitz%2Frust_stack_string" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PSeitz/rust_stack_string on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PSeitz/rust_stack_string
[INFO] finished tweaking git repo https://github.com/PSeitz/rust_stack_string
[INFO] tweaked toml for git repo https://github.com/PSeitz/rust_stack_string written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/PSeitz/rust_stack_string already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d71a1c1dc5967fb33e0061110796b31c458fdfc39ce5e213dcac233f672acb3
[INFO] running `Command { std: "docker" "start" "-a" "2d71a1c1dc5967fb33e0061110796b31c458fdfc39ce5e213dcac233f672acb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d71a1c1dc5967fb33e0061110796b31c458fdfc39ce5e213dcac233f672acb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d71a1c1dc5967fb33e0061110796b31c458fdfc39ce5e213dcac233f672acb3", kill_on_drop: false }`
[INFO] [stdout] 2d71a1c1dc5967fb33e0061110796b31c458fdfc39ce5e213dcac233f672acb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f1e819f54a6863e30b72bb5d384fb11fd50039119e83f8174a425a230cda235
[INFO] running `Command { std: "docker" "start" "-a" "9f1e819f54a6863e30b72bb5d384fb11fd50039119e83f8174a425a230cda235", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_stack_string_bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "9f1e819f54a6863e30b72bb5d384fb11fd50039119e83f8174a425a230cda235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1e819f54a6863e30b72bb5d384fb11fd50039119e83f8174a425a230cda235", kill_on_drop: false }`
[INFO] [stdout] 9f1e819f54a6863e30b72bb5d384fb11fd50039119e83f8174a425a230cda235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32e56407923e4a8c04ff4abf85d5cf5c82eb2fa9231027232e97abd51216856a
[INFO] running `Command { std: "docker" "start" "-a" "32e56407923e4a8c04ff4abf85d5cf5c82eb2fa9231027232e97abd51216856a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_stack_string_bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.78s
[INFO] running `Command { std: "docker" "inspect" "32e56407923e4a8c04ff4abf85d5cf5c82eb2fa9231027232e97abd51216856a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e56407923e4a8c04ff4abf85d5cf5c82eb2fa9231027232e97abd51216856a", kill_on_drop: false }`
[INFO] [stdout] 32e56407923e4a8c04ff4abf85d5cf5c82eb2fa9231027232e97abd51216856a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d42ba921e491a14a8a8e8edc6708b3be1005d106ba4a85ddd6181c17c0cd7a2
[INFO] running `Command { std: "docker" "start" "-a" "1d42ba921e491a14a8a8e8edc6708b3be1005d106ba4a85ddd6181c17c0cd7a2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_stack_string_bench-f8a4b03327ea39ad)
[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] [stderr]    Doc-tests rust_stack_string_bench
[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" "1d42ba921e491a14a8a8e8edc6708b3be1005d106ba4a85ddd6181c17c0cd7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d42ba921e491a14a8a8e8edc6708b3be1005d106ba4a85ddd6181c17c0cd7a2", kill_on_drop: false }`
[INFO] [stdout] 1d42ba921e491a14a8a8e8edc6708b3be1005d106ba4a85ddd6181c17c0cd7a2