[INFO] fetching crate tee_readwrite 0.1.0...
[INFO] testing tee_readwrite-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tee_readwrite 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tee_readwrite 0.1.0 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 tee_readwrite 0.1.0
[INFO] finished tweaking crates.io crate tee_readwrite 0.1.0
[INFO] tweaked toml for crates.io crate tee_readwrite 0.1.0 written to /workspace/builds/worker-10/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 7813c369376a5a9c27eec749464c676b285ad4919adc275b80ed47d77976084c
[INFO] running `Command { std: "docker" "start" "-a" "7813c369376a5a9c27eec749464c676b285ad4919adc275b80ed47d77976084c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7813c369376a5a9c27eec749464c676b285ad4919adc275b80ed47d77976084c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7813c369376a5a9c27eec749464c676b285ad4919adc275b80ed47d77976084c", kill_on_drop: false }`
[INFO] [stdout] 7813c369376a5a9c27eec749464c676b285ad4919adc275b80ed47d77976084c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4e26f0522ec5937f549f4eeca535f8207587893d2f5dea7847ee9bf73b09fcdb
[INFO] running `Command { std: "docker" "start" "-a" "4e26f0522ec5937f549f4eeca535f8207587893d2f5dea7847ee9bf73b09fcdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling tee_readwrite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "4e26f0522ec5937f549f4eeca535f8207587893d2f5dea7847ee9bf73b09fcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e26f0522ec5937f549f4eeca535f8207587893d2f5dea7847ee9bf73b09fcdb", kill_on_drop: false }`
[INFO] [stdout] 4e26f0522ec5937f549f4eeca535f8207587893d2f5dea7847ee9bf73b09fcdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4c6f38a23c459684f4c6b665dc899a152831015ef980b34ba196d97ba59f0e5b
[INFO] running `Command { std: "docker" "start" "-a" "4c6f38a23c459684f4c6b665dc899a152831015ef980b34ba196d97ba59f0e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tee_readwrite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "4c6f38a23c459684f4c6b665dc899a152831015ef980b34ba196d97ba59f0e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6f38a23c459684f4c6b665dc899a152831015ef980b34ba196d97ba59f0e5b", kill_on_drop: false }`
[INFO] [stdout] 4c6f38a23c459684f4c6b665dc899a152831015ef980b34ba196d97ba59f0e5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 74508dbd5bb92861e7c45fc2f3d506aa8214c3b380fb27b9294d394192411481
[INFO] running `Command { std: "docker" "start" "-a" "74508dbd5bb92861e7c45fc2f3d506aa8214c3b380fb27b9294d394192411481", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tee_readwrite-af5a7b754859542f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tee_readwrite
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "74508dbd5bb92861e7c45fc2f3d506aa8214c3b380fb27b9294d394192411481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74508dbd5bb92861e7c45fc2f3d506aa8214c3b380fb27b9294d394192411481", kill_on_drop: false }`
[INFO] [stdout] 74508dbd5bb92861e7c45fc2f3d506aa8214c3b380fb27b9294d394192411481