[INFO] fetching crate io-arg 0.1.1...
[INFO] testing io-arg-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate io-arg 0.1.1 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate io-arg 0.1.1 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 io-arg 0.1.1
[INFO] finished tweaking crates.io crate io-arg 0.1.1
[INFO] tweaked toml for crates.io crate io-arg 0.1.1 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate crates.io crate io-arg 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] b3cbce909a5741e3deeee96eb16af6cba51ea84a6511f90774775b9f84ce8e87
[INFO] running `Command { std: "docker" "start" "-a" "b3cbce909a5741e3deeee96eb16af6cba51ea84a6511f90774775b9f84ce8e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3cbce909a5741e3deeee96eb16af6cba51ea84a6511f90774775b9f84ce8e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3cbce909a5741e3deeee96eb16af6cba51ea84a6511f90774775b9f84ce8e87", kill_on_drop: false }`
[INFO] [stdout] b3cbce909a5741e3deeee96eb16af6cba51ea84a6511f90774775b9f84ce8e87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 8bdbc5c7e2765b8a6c2a5b698a1522e0a4e1607a16567680a1e436d360f9a88e
[INFO] running `Command { std: "docker" "start" "-a" "8bdbc5c7e2765b8a6c2a5b698a1522e0a4e1607a16567680a1e436d360f9a88e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling io-arg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "8bdbc5c7e2765b8a6c2a5b698a1522e0a4e1607a16567680a1e436d360f9a88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bdbc5c7e2765b8a6c2a5b698a1522e0a4e1607a16567680a1e436d360f9a88e", kill_on_drop: false }`
[INFO] [stdout] 8bdbc5c7e2765b8a6c2a5b698a1522e0a4e1607a16567680a1e436d360f9a88e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] bf0fb8ef34d427375d9a027bc1ccc34bf3cc6bbc7290bd3a58f039b11cd8072e
[INFO] running `Command { std: "docker" "start" "-a" "bf0fb8ef34d427375d9a027bc1ccc34bf3cc6bbc7290bd3a58f039b11cd8072e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling indicatif v0.15.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling io-arg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.32s
[INFO] running `Command { std: "docker" "inspect" "bf0fb8ef34d427375d9a027bc1ccc34bf3cc6bbc7290bd3a58f039b11cd8072e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf0fb8ef34d427375d9a027bc1ccc34bf3cc6bbc7290bd3a58f039b11cd8072e", kill_on_drop: false }`
[INFO] [stdout] bf0fb8ef34d427375d9a027bc1ccc34bf3cc6bbc7290bd3a58f039b11cd8072e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 528ab88413d99ae7c3b88df6f4d5533a64ef796a1d2ca10fb5af22b8c140b9ec
[INFO] running `Command { std: "docker" "start" "-a" "528ab88413d99ae7c3b88df6f4d5533a64ef796a1d2ca10fb5af22b8c140b9ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_arg-63b8e37d318919cd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test io_arg::tests::parsing ... 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 io-arg
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/io_arg.rs - io_arg::IoArg (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "528ab88413d99ae7c3b88df6f4d5533a64ef796a1d2ca10fb5af22b8c140b9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528ab88413d99ae7c3b88df6f4d5533a64ef796a1d2ca10fb5af22b8c140b9ec", kill_on_drop: false }`
[INFO] [stdout] 528ab88413d99ae7c3b88df6f4d5533a64ef796a1d2ca10fb5af22b8c140b9ec