[INFO] fetching crate ipynb 0.0.1...
[INFO] testing ipynb-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ipynb 0.0.1 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate ipynb 0.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipynb 0.0.1
[INFO] finished tweaking crates.io crate ipynb 0.0.1
[INFO] tweaked toml for crates.io crate ipynb 0.0.1 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate crates.io crate ipynb 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c996c2216aa298a4f70c661119522e83448315e1fad8f354f0224d64ca9ad1f2
[INFO] running `Command { std: "docker" "start" "-a" "c996c2216aa298a4f70c661119522e83448315e1fad8f354f0224d64ca9ad1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c996c2216aa298a4f70c661119522e83448315e1fad8f354f0224d64ca9ad1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c996c2216aa298a4f70c661119522e83448315e1fad8f354f0224d64ca9ad1f2", kill_on_drop: false }`
[INFO] [stdout] c996c2216aa298a4f70c661119522e83448315e1fad8f354f0224d64ca9ad1f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4edd313a3966dd4e2af2e79b163c5db14fefc62850550867d6f0e9f4b0c8d4a
[INFO] running `Command { std: "docker" "start" "-a" "a4edd313a3966dd4e2af2e79b163c5db14fefc62850550867d6f0e9f4b0c8d4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling ipynb v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.14s
[INFO] running `Command { std: "docker" "inspect" "a4edd313a3966dd4e2af2e79b163c5db14fefc62850550867d6f0e9f4b0c8d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4edd313a3966dd4e2af2e79b163c5db14fefc62850550867d6f0e9f4b0c8d4a", kill_on_drop: false }`
[INFO] [stdout] a4edd313a3966dd4e2af2e79b163c5db14fefc62850550867d6f0e9f4b0c8d4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da52f3ace91c451631baf2dc3ade94300a57afe03e540cf0aaf9d684f634fb61
[INFO] running `Command { std: "docker" "start" "-a" "da52f3ace91c451631baf2dc3ade94300a57afe03e540cf0aaf9d684f634fb61", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipynb v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "da52f3ace91c451631baf2dc3ade94300a57afe03e540cf0aaf9d684f634fb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da52f3ace91c451631baf2dc3ade94300a57afe03e540cf0aaf9d684f634fb61", kill_on_drop: false }`
[INFO] [stdout] da52f3ace91c451631baf2dc3ade94300a57afe03e540cf0aaf9d684f634fb61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f82bafd3cfef5a739fa4f468f5e370df3810a36cc39153169f901b89d134f2d1
[INFO] running `Command { std: "docker" "start" "-a" "f82bafd3cfef5a739fa4f468f5e370df3810a36cc39153169f901b89d134f2d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ipynb-794599439826bc31)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ipynb-d5f40d028d9711a2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ipynb
[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 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" "f82bafd3cfef5a739fa4f468f5e370df3810a36cc39153169f901b89d134f2d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82bafd3cfef5a739fa4f468f5e370df3810a36cc39153169f901b89d134f2d1", kill_on_drop: false }`
[INFO] [stdout] f82bafd3cfef5a739fa4f468f5e370df3810a36cc39153169f901b89d134f2d1