[INFO] fetching crate std-io-peek 0.1.0...
[INFO] testing std-io-peek-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate std-io-peek 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate std-io-peek 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate std-io-peek 0.1.0
[INFO] finished tweaking crates.io crate std-io-peek 0.1.0
[INFO] tweaked toml for crates.io crate std-io-peek 0.1.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa100bda1b5bba53e42e6cfb5cc1d53186b71bfb250fae781f2ad5ae40deacec
[INFO] running `Command { std: "docker" "start" "-a" "fa100bda1b5bba53e42e6cfb5cc1d53186b71bfb250fae781f2ad5ae40deacec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa100bda1b5bba53e42e6cfb5cc1d53186b71bfb250fae781f2ad5ae40deacec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa100bda1b5bba53e42e6cfb5cc1d53186b71bfb250fae781f2ad5ae40deacec", kill_on_drop: false }`
[INFO] [stdout] fa100bda1b5bba53e42e6cfb5cc1d53186b71bfb250fae781f2ad5ae40deacec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16c06fa53fe086f2f028376ce58c09f1a0001933e0b930cacb237ad2155e409b
[INFO] running `Command { std: "docker" "start" "-a" "16c06fa53fe086f2f028376ce58c09f1a0001933e0b930cacb237ad2155e409b", kill_on_drop: false }`
[INFO] [stderr]    Compiling std-io-peek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "16c06fa53fe086f2f028376ce58c09f1a0001933e0b930cacb237ad2155e409b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c06fa53fe086f2f028376ce58c09f1a0001933e0b930cacb237ad2155e409b", kill_on_drop: false }`
[INFO] [stdout] 16c06fa53fe086f2f028376ce58c09f1a0001933e0b930cacb237ad2155e409b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 065593316e23432c2c8be075cf5f0f138cd146cd9a429d27732eb78e67f200d1
[INFO] running `Command { std: "docker" "start" "-a" "065593316e23432c2c8be075cf5f0f138cd146cd9a429d27732eb78e67f200d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling std-io-peek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "065593316e23432c2c8be075cf5f0f138cd146cd9a429d27732eb78e67f200d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065593316e23432c2c8be075cf5f0f138cd146cd9a429d27732eb78e67f200d1", kill_on_drop: false }`
[INFO] [stdout] 065593316e23432c2c8be075cf5f0f138cd146cd9a429d27732eb78e67f200d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 62994047a602363c12446df4aa7f2159e8d22bdcc5abcb24874179ad91a43dda
[INFO] running `Command { std: "docker" "start" "-a" "62994047a602363c12446df4aa7f2159e8d22bdcc5abcb24874179ad91a43dda", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/std_io_peek-6ea9e4a8d576a200)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cursor.rs (/opt/rustwide/target/debug/deps/cursor-5d74079bb769fbeb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tcp_stream.rs (/opt/rustwide/target/debug/deps/tcp_stream-882107c25756875c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests std-io-peek
[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" "62994047a602363c12446df4aa7f2159e8d22bdcc5abcb24874179ad91a43dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62994047a602363c12446df4aa7f2159e8d22bdcc5abcb24874179ad91a43dda", kill_on_drop: false }`
[INFO] [stdout] 62994047a602363c12446df4aa7f2159e8d22bdcc5abcb24874179ad91a43dda