[INFO] fetching crate bufsize 1.0.0...
[INFO] testing bufsize-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate bufsize 1.0.0 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate bufsize 1.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bufsize 1.0.0
[INFO] finished tweaking crates.io crate bufsize 1.0.0
[INFO] tweaked toml for crates.io crate bufsize 1.0.0 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b9a06e6c850f7b0d15959cdb74a30bc5e499502269b5ac6bfadd0830ec3ef7d
[INFO] running `Command { std: "docker" "start" "-a" "0b9a06e6c850f7b0d15959cdb74a30bc5e499502269b5ac6bfadd0830ec3ef7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b9a06e6c850f7b0d15959cdb74a30bc5e499502269b5ac6bfadd0830ec3ef7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9a06e6c850f7b0d15959cdb74a30bc5e499502269b5ac6bfadd0830ec3ef7d", kill_on_drop: false }`
[INFO] [stdout] 0b9a06e6c850f7b0d15959cdb74a30bc5e499502269b5ac6bfadd0830ec3ef7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b48d833368e83ab155c178994eebd19c12f6addc8aca53b6138614b982b5dd8
[INFO] running `Command { std: "docker" "start" "-a" "7b48d833368e83ab155c178994eebd19c12f6addc8aca53b6138614b982b5dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling bufsize v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "7b48d833368e83ab155c178994eebd19c12f6addc8aca53b6138614b982b5dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b48d833368e83ab155c178994eebd19c12f6addc8aca53b6138614b982b5dd8", kill_on_drop: false }`
[INFO] [stdout] 7b48d833368e83ab155c178994eebd19c12f6addc8aca53b6138614b982b5dd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fb5d1578f698dcf761ce830be468875d623f5c7438cd4937ec7884ba19fa8a6
[INFO] running `Command { std: "docker" "start" "-a" "2fb5d1578f698dcf761ce830be468875d623f5c7438cd4937ec7884ba19fa8a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bufsize v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "2fb5d1578f698dcf761ce830be468875d623f5c7438cd4937ec7884ba19fa8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb5d1578f698dcf761ce830be468875d623f5c7438cd4937ec7884ba19fa8a6", kill_on_drop: false }`
[INFO] [stdout] 2fb5d1578f698dcf761ce830be468875d623f5c7438cd4937ec7884ba19fa8a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce36d50ff01de4f79df194fa369d43e27643136bb64107257f9c80595eefb194
[INFO] running `Command { std: "docker" "start" "-a" "ce36d50ff01de4f79df194fa369d43e27643136bb64107257f9c80595eefb194", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bufsize-d697129cff98853e)
[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 bufsize
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SizeCounter (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce36d50ff01de4f79df194fa369d43e27643136bb64107257f9c80595eefb194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce36d50ff01de4f79df194fa369d43e27643136bb64107257f9c80595eefb194", kill_on_drop: false }`
[INFO] [stdout] ce36d50ff01de4f79df194fa369d43e27643136bb64107257f9c80595eefb194