[INFO] fetching crate io_ext 0.2.0...
[INFO] testing io_ext-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate io_ext 0.2.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate io_ext 0.2.0 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 io_ext 0.2.0
[INFO] finished tweaking crates.io crate io_ext 0.2.0
[INFO] tweaked toml for crates.io crate io_ext 0.2.0 written to /workspace/builds/worker-20/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] 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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] ef23433090dc6352b6ab46f5f872157d58f427d4e6e0448510db9a1cec5e6e44
[INFO] running `Command { std: "docker" "start" "-a" "ef23433090dc6352b6ab46f5f872157d58f427d4e6e0448510db9a1cec5e6e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef23433090dc6352b6ab46f5f872157d58f427d4e6e0448510db9a1cec5e6e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef23433090dc6352b6ab46f5f872157d58f427d4e6e0448510db9a1cec5e6e44", kill_on_drop: false }`
[INFO] [stdout] ef23433090dc6352b6ab46f5f872157d58f427d4e6e0448510db9a1cec5e6e44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] c8082d91d99c8e8d902ab742a9d4493dacdf896b7e21abd885321b8c60588b93
[INFO] running `Command { std: "docker" "start" "-a" "c8082d91d99c8e8d902ab742a9d4493dacdf896b7e21abd885321b8c60588b93", kill_on_drop: false }`
[INFO] [stderr]    Compiling io_ext v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "c8082d91d99c8e8d902ab742a9d4493dacdf896b7e21abd885321b8c60588b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8082d91d99c8e8d902ab742a9d4493dacdf896b7e21abd885321b8c60588b93", kill_on_drop: false }`
[INFO] [stdout] c8082d91d99c8e8d902ab742a9d4493dacdf896b7e21abd885321b8c60588b93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 52312ef1a58afad4a01afe379457f48c7f5f36529300877bbcb53aa81ab4f388
[INFO] running `Command { std: "docker" "start" "-a" "52312ef1a58afad4a01afe379457f48c7f5f36529300877bbcb53aa81ab4f388", kill_on_drop: false }`
[INFO] [stderr]    Compiling io_ext v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "52312ef1a58afad4a01afe379457f48c7f5f36529300877bbcb53aa81ab4f388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52312ef1a58afad4a01afe379457f48c7f5f36529300877bbcb53aa81ab4f388", kill_on_drop: false }`
[INFO] [stdout] 52312ef1a58afad4a01afe379457f48c7f5f36529300877bbcb53aa81ab4f388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] daca728cd7e0858735fbb2c2345cd9fe55f109486492ea4bfa33574844a09060
[INFO] running `Command { std: "docker" "start" "-a" "daca728cd7e0858735fbb2c2345cd9fe55f109486492ea4bfa33574844a09060", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_ext-72fc92d36961916e)
[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 io_ext
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/read.rs - read::ReadExt (line 65) ... ok
[INFO] [stdout] test src/write.rs - write::WriteExt (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "daca728cd7e0858735fbb2c2345cd9fe55f109486492ea4bfa33574844a09060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daca728cd7e0858735fbb2c2345cd9fe55f109486492ea4bfa33574844a09060", kill_on_drop: false }`
[INFO] [stdout] daca728cd7e0858735fbb2c2345cd9fe55f109486492ea4bfa33574844a09060