[INFO] fetching crate arkham 0.1.0...
[INFO] testing arkham-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate arkham 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate arkham 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 arkham 0.1.0
[INFO] finished tweaking crates.io crate arkham 0.1.0
[INFO] tweaked toml for crates.io crate arkham 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate arkham 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4b763246e6fc6a1143ad24d5ce2b010fff7865419975deae859f56a10691a419
[INFO] running `Command { std: "docker" "start" "-a" "4b763246e6fc6a1143ad24d5ce2b010fff7865419975deae859f56a10691a419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b763246e6fc6a1143ad24d5ce2b010fff7865419975deae859f56a10691a419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b763246e6fc6a1143ad24d5ce2b010fff7865419975deae859f56a10691a419", kill_on_drop: false }`
[INFO] [stdout] 4b763246e6fc6a1143ad24d5ce2b010fff7865419975deae859f56a10691a419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e5a8f7969347f3e84e22720ec89bd8a15cfa5515f9f7481dd0b1c2f63aba0646
[INFO] running `Command { std: "docker" "start" "-a" "e5a8f7969347f3e84e22720ec89bd8a15cfa5515f9f7481dd0b1c2f63aba0646", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling arkham v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "e5a8f7969347f3e84e22720ec89bd8a15cfa5515f9f7481dd0b1c2f63aba0646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a8f7969347f3e84e22720ec89bd8a15cfa5515f9f7481dd0b1c2f63aba0646", kill_on_drop: false }`
[INFO] [stdout] e5a8f7969347f3e84e22720ec89bd8a15cfa5515f9f7481dd0b1c2f63aba0646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 360840d86b676982368b91f7e1faf407c14d04fced5f94e0fcc43df54274435d
[INFO] running `Command { std: "docker" "start" "-a" "360840d86b676982368b91f7e1faf407c14d04fced5f94e0fcc43df54274435d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling arkham v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 43.62s
[INFO] running `Command { std: "docker" "inspect" "360840d86b676982368b91f7e1faf407c14d04fced5f94e0fcc43df54274435d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "360840d86b676982368b91f7e1faf407c14d04fced5f94e0fcc43df54274435d", kill_on_drop: false }`
[INFO] [stdout] 360840d86b676982368b91f7e1faf407c14d04fced5f94e0fcc43df54274435d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 49a6703dcf79231e75f53cd9fe0d8cca77939cfa7802caa63729abc9034c5e28
[INFO] running `Command { std: "docker" "start" "-a" "49a6703dcf79231e75f53cd9fe0d8cca77939cfa7802caa63729abc9034c5e28", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arkham-f4afa2ff405e7b53)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test app::tests::test_extra_args ... ok
[INFO] [stdout] test app::tests::test_long_string ... ok
[INFO] [stdout] test app::tests::test_short_flag ... ok
[INFO] [stdout] test app::tests::test_invalid_short_flag ... ok
[INFO] [stdout] test app::tests::test_env_prefix ... ok
[INFO] [stdout] test app::tests::test_function_handler ... ok
[INFO] [stdout] test app::tests::test_invalid_long_flag ... ok
[INFO] [stdout] test context::tests::test_env ... ok
[INFO] [stderr]    Doc-tests arkham
[INFO] [stdout] test app::tests::test_subcommand ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/opt.rs - opt::Opt::scalar (line 37) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::flag (line 20) ... ok
[INFO] [stdout] test src/app.rs - app::App::handler (line 132) ... ok
[INFO] [stdout] test src/app.rs - app::App::version (line 68) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::desc (line 78) ... ok
[INFO] [stdout] test src/app.rs - app::App::name (line 55) ... ok
[INFO] [stdout] test src/app.rs - app::App::run_with (line 147) ... ok
[INFO] [stdout] test src/app.rs - app::App::run (line 171) ... ok
[INFO] [stdout] test src/app.rs - app::App::env_prefix (line 82) ... ok
[INFO] [stdout] test src/app.rs - app::App::command (line 102) ... ok
[INFO] [stdout] test src/app.rs - app::App::opt (line 117) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::long (line 66) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::short (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49a6703dcf79231e75f53cd9fe0d8cca77939cfa7802caa63729abc9034c5e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a6703dcf79231e75f53cd9fe0d8cca77939cfa7802caa63729abc9034c5e28", kill_on_drop: false }`
[INFO] [stdout] 49a6703dcf79231e75f53cd9fe0d8cca77939cfa7802caa63729abc9034c5e28