[INFO] fetching crate hew 0.2.4...
[INFO] testing hew-0.2.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hew 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hew 0.2.4 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 hew 0.2.4
[INFO] finished tweaking crates.io crate hew 0.2.4
[INFO] tweaked toml for crates.io crate hew 0.2.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 97cc07743cc9a99c4d37e93933d9480d339399039c04426c443a2985625eb411
[INFO] running `Command { std: "docker" "start" "-a" "97cc07743cc9a99c4d37e93933d9480d339399039c04426c443a2985625eb411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97cc07743cc9a99c4d37e93933d9480d339399039c04426c443a2985625eb411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cc07743cc9a99c4d37e93933d9480d339399039c04426c443a2985625eb411", kill_on_drop: false }`
[INFO] [stdout] 97cc07743cc9a99c4d37e93933d9480d339399039c04426c443a2985625eb411
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] eb3f67d41af6b8d82f34b1469cac20b73463c89ab47e5b496959ef950d556732
[INFO] running `Command { std: "docker" "start" "-a" "eb3f67d41af6b8d82f34b1469cac20b73463c89ab47e5b496959ef950d556732", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling hew v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.79s
[INFO] running `Command { std: "docker" "inspect" "eb3f67d41af6b8d82f34b1469cac20b73463c89ab47e5b496959ef950d556732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb3f67d41af6b8d82f34b1469cac20b73463c89ab47e5b496959ef950d556732", kill_on_drop: false }`
[INFO] [stdout] eb3f67d41af6b8d82f34b1469cac20b73463c89ab47e5b496959ef950d556732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9531c12af31a026b22d0f5f7de5f676f1fb50ff1c3c6faaccd2dd26f718dd4d5
[INFO] running `Command { std: "docker" "start" "-a" "9531c12af31a026b22d0f5f7de5f676f1fb50ff1c3c6faaccd2dd26f718dd4d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling hew v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "9531c12af31a026b22d0f5f7de5f676f1fb50ff1c3c6faaccd2dd26f718dd4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9531c12af31a026b22d0f5f7de5f676f1fb50ff1c3c6faaccd2dd26f718dd4d5", kill_on_drop: false }`
[INFO] [stdout] 9531c12af31a026b22d0f5f7de5f676f1fb50ff1c3c6faaccd2dd26f718dd4d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2c578b9e620bf7c535b376b4cba29b054fea8449698ce7745926a277c3564be2
[INFO] running `Command { std: "docker" "start" "-a" "2c578b9e620bf7c535b376b4cba29b054fea8449698ce7745926a277c3564be2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hew-cc768597750e25ef)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_encode_empty ... ok
[INFO] [stdout] test test_encode_lower_case ... ok
[INFO] [stdout] test test_decode_simple ... ok
[INFO] [stdout] test test_encode_odd_number ... ok
[INFO] [stdout] test test_encode_with_prefix ... ok
[INFO] [stdout] test test_encode_upper_case ... ok
[INFO] [stdout] test test_encode_with_whitespace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c578b9e620bf7c535b376b4cba29b054fea8449698ce7745926a277c3564be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c578b9e620bf7c535b376b4cba29b054fea8449698ce7745926a277c3564be2", kill_on_drop: false }`
[INFO] [stdout] 2c578b9e620bf7c535b376b4cba29b054fea8449698ce7745926a277c3564be2