[INFO] fetching crate iot-shell 0.1.0...
[INFO] testing iot-shell-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate iot-shell 0.1.0 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate iot-shell 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iot-shell 0.1.0
[INFO] finished tweaking crates.io crate iot-shell 0.1.0
[INFO] tweaked toml for crates.io crate iot-shell 0.1.0 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] crate crates.io crate iot-shell 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subprocess v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 496d70127cde7f28dc238e25dbd8f74fc61522c359cb7457ea6a01fdfbbbf159
[INFO] running `Command { std: "docker" "start" "-a" "496d70127cde7f28dc238e25dbd8f74fc61522c359cb7457ea6a01fdfbbbf159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "496d70127cde7f28dc238e25dbd8f74fc61522c359cb7457ea6a01fdfbbbf159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496d70127cde7f28dc238e25dbd8f74fc61522c359cb7457ea6a01fdfbbbf159", kill_on_drop: false }`
[INFO] [stdout] 496d70127cde7f28dc238e25dbd8f74fc61522c359cb7457ea6a01fdfbbbf159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470e4b1047e5e19b33ba3e82a2c429628d214f72850ae657f3046cbb4bf1ad7e
[INFO] running `Command { std: "docker" "start" "-a" "470e4b1047e5e19b33ba3e82a2c429628d214f72850ae657f3046cbb4bf1ad7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling subprocess v0.2.4
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling iot-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "470e4b1047e5e19b33ba3e82a2c429628d214f72850ae657f3046cbb4bf1ad7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470e4b1047e5e19b33ba3e82a2c429628d214f72850ae657f3046cbb4bf1ad7e", kill_on_drop: false }`
[INFO] [stdout] 470e4b1047e5e19b33ba3e82a2c429628d214f72850ae657f3046cbb4bf1ad7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4846c43c78527b2014c9c71dee47b6cec942b72a46c355a33951825ee0446b0a
[INFO] running `Command { std: "docker" "start" "-a" "4846c43c78527b2014c9c71dee47b6cec942b72a46c355a33951825ee0446b0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iot-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "4846c43c78527b2014c9c71dee47b6cec942b72a46c355a33951825ee0446b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4846c43c78527b2014c9c71dee47b6cec942b72a46c355a33951825ee0446b0a", kill_on_drop: false }`
[INFO] [stdout] 4846c43c78527b2014c9c71dee47b6cec942b72a46c355a33951825ee0446b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 244ed284c76e0637d9b71d05bfc6e46be0298968a5cf2d37687dd25fd3586dec
[INFO] running `Command { std: "docker" "start" "-a" "244ed284c76e0637d9b71d05bfc6e46be0298968a5cf2d37687dd25fd3586dec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iot_shell-441fe51fd70bc206)
[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" "244ed284c76e0637d9b71d05bfc6e46be0298968a5cf2d37687dd25fd3586dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "244ed284c76e0637d9b71d05bfc6e46be0298968a5cf2d37687dd25fd3586dec", kill_on_drop: false }`
[INFO] [stdout] 244ed284c76e0637d9b71d05bfc6e46be0298968a5cf2d37687dd25fd3586dec