[INFO] fetching crate sevensegment 0.2.0...
[INFO] testing sevensegment-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sevensegment 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sevensegment 0.2.0 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 sevensegment 0.2.0
[INFO] finished tweaking crates.io crate sevensegment 0.2.0
[INFO] tweaked toml for crates.io crate sevensegment 0.2.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3e82cdb4d7cda8295afc7fea2bcb79f4f58d5de4ed5896a97df47a03e46b53bd
[INFO] running `Command { std: "docker" "start" "-a" "3e82cdb4d7cda8295afc7fea2bcb79f4f58d5de4ed5896a97df47a03e46b53bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e82cdb4d7cda8295afc7fea2bcb79f4f58d5de4ed5896a97df47a03e46b53bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e82cdb4d7cda8295afc7fea2bcb79f4f58d5de4ed5896a97df47a03e46b53bd", kill_on_drop: false }`
[INFO] [stdout] 3e82cdb4d7cda8295afc7fea2bcb79f4f58d5de4ed5896a97df47a03e46b53bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3952e399cec3c4ebd3b49abc6570bcc6d05fbacf3c9bc574f5eff788b2c54506
[INFO] running `Command { std: "docker" "start" "-a" "3952e399cec3c4ebd3b49abc6570bcc6d05fbacf3c9bc574f5eff788b2c54506", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling sevensegment v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "3952e399cec3c4ebd3b49abc6570bcc6d05fbacf3c9bc574f5eff788b2c54506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3952e399cec3c4ebd3b49abc6570bcc6d05fbacf3c9bc574f5eff788b2c54506", kill_on_drop: false }`
[INFO] [stdout] 3952e399cec3c4ebd3b49abc6570bcc6d05fbacf3c9bc574f5eff788b2c54506
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 8db3be785db897b9abf3f0fc4f4fd52b157c13c097be9a50197e56220a50fcd8
[INFO] running `Command { std: "docker" "start" "-a" "8db3be785db897b9abf3f0fc4f4fd52b157c13c097be9a50197e56220a50fcd8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sevensegment v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "8db3be785db897b9abf3f0fc4f4fd52b157c13c097be9a50197e56220a50fcd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db3be785db897b9abf3f0fc4f4fd52b157c13c097be9a50197e56220a50fcd8", kill_on_drop: false }`
[INFO] [stdout] 8db3be785db897b9abf3f0fc4f4fd52b157c13c097be9a50197e56220a50fcd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c4ef1851801ee9f7bf958f9d2062a7984e05af4f9f2a9c6a82abea13ce5cd2dc
[INFO] running `Command { std: "docker" "start" "-a" "c4ef1851801ee9f7bf958f9d2062a7984e05af4f9f2a9c6a82abea13ce5cd2dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sevensegment-9376187405ef416e)
[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 sevensegment
[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" "c4ef1851801ee9f7bf958f9d2062a7984e05af4f9f2a9c6a82abea13ce5cd2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ef1851801ee9f7bf958f9d2062a7984e05af4f9f2a9c6a82abea13ce5cd2dc", kill_on_drop: false }`
[INFO] [stdout] c4ef1851801ee9f7bf958f9d2062a7984e05af4f9f2a9c6a82abea13ce5cd2dc