[INFO] fetching crate tee_readwrite 0.1.0...
[INFO] testing tee_readwrite-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tee_readwrite 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate tee_readwrite 0.1.0 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 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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] c39d571532b0353b038a9b22b41b6f52a65283e31cb878c6906bc3d637dda85b
[INFO] running `Command { std: "docker" "start" "-a" "c39d571532b0353b038a9b22b41b6f52a65283e31cb878c6906bc3d637dda85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c39d571532b0353b038a9b22b41b6f52a65283e31cb878c6906bc3d637dda85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39d571532b0353b038a9b22b41b6f52a65283e31cb878c6906bc3d637dda85b", kill_on_drop: false }`
[INFO] [stdout] c39d571532b0353b038a9b22b41b6f52a65283e31cb878c6906bc3d637dda85b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6726840a822a16745ec906d5c37be3bde33c3bb67d5d449a09a2efeaf9c7c76e
[INFO] running `Command { std: "docker" "start" "-a" "6726840a822a16745ec906d5c37be3bde33c3bb67d5d449a09a2efeaf9c7c76e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tee_readwrite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "6726840a822a16745ec906d5c37be3bde33c3bb67d5d449a09a2efeaf9c7c76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6726840a822a16745ec906d5c37be3bde33c3bb67d5d449a09a2efeaf9c7c76e", kill_on_drop: false }`
[INFO] [stdout] 6726840a822a16745ec906d5c37be3bde33c3bb67d5d449a09a2efeaf9c7c76e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 99cfcd3881e52626f6f91bf4c0613935794e3d5e045de10bf94de9ce9689ca90
[INFO] running `Command { std: "docker" "start" "-a" "99cfcd3881e52626f6f91bf4c0613935794e3d5e045de10bf94de9ce9689ca90", kill_on_drop: false }`
[INFO] [stderr]    Compiling tee_readwrite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "99cfcd3881e52626f6f91bf4c0613935794e3d5e045de10bf94de9ce9689ca90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99cfcd3881e52626f6f91bf4c0613935794e3d5e045de10bf94de9ce9689ca90", kill_on_drop: false }`
[INFO] [stdout] 99cfcd3881e52626f6f91bf4c0613935794e3d5e045de10bf94de9ce9689ca90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 057e2056baeaf2ac430dc6db2dd8b0cd7b8934d4723e5fc96c82fa01c8e61131
[INFO] running `Command { std: "docker" "start" "-a" "057e2056baeaf2ac430dc6db2dd8b0cd7b8934d4723e5fc96c82fa01c8e61131", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tee_readwrite-af5a7b754859542f)
[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 tee_readwrite
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "057e2056baeaf2ac430dc6db2dd8b0cd7b8934d4723e5fc96c82fa01c8e61131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057e2056baeaf2ac430dc6db2dd8b0cd7b8934d4723e5fc96c82fa01c8e61131", kill_on_drop: false }`
[INFO] [stdout] 057e2056baeaf2ac430dc6db2dd8b0cd7b8934d4723e5fc96c82fa01c8e61131