[INFO] fetching crate argopt-impl 0.1.0...
[INFO] testing argopt-impl-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate argopt-impl 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate argopt-impl 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 argopt-impl 0.1.0
[INFO] finished tweaking crates.io crate argopt-impl 0.1.0
[INFO] tweaked toml for crates.io crate argopt-impl 0.1.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 42f495aa30dae3a38bb83439fe1eef028ac1ca0ed3c4dfc75d5a14be37b2dbc1
[INFO] running `Command { std: "docker" "start" "-a" "42f495aa30dae3a38bb83439fe1eef028ac1ca0ed3c4dfc75d5a14be37b2dbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42f495aa30dae3a38bb83439fe1eef028ac1ca0ed3c4dfc75d5a14be37b2dbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f495aa30dae3a38bb83439fe1eef028ac1ca0ed3c4dfc75d5a14be37b2dbc1", kill_on_drop: false }`
[INFO] [stdout] 42f495aa30dae3a38bb83439fe1eef028ac1ca0ed3c4dfc75d5a14be37b2dbc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 19488b5f8c0f7ab650ff41e6920d21af1cf61f18eec1b4ebaea6938234139065
[INFO] running `Command { std: "docker" "start" "-a" "19488b5f8c0f7ab650ff41e6920d21af1cf61f18eec1b4ebaea6938234139065", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling argopt-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.42s
[INFO] running `Command { std: "docker" "inspect" "19488b5f8c0f7ab650ff41e6920d21af1cf61f18eec1b4ebaea6938234139065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19488b5f8c0f7ab650ff41e6920d21af1cf61f18eec1b4ebaea6938234139065", kill_on_drop: false }`
[INFO] [stdout] 19488b5f8c0f7ab650ff41e6920d21af1cf61f18eec1b4ebaea6938234139065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a677cb58993014d4ca5cca70f4e51e4c33faca1d1ecd47a99b2547445c696f2f
[INFO] running `Command { std: "docker" "start" "-a" "a677cb58993014d4ca5cca70f4e51e4c33faca1d1ecd47a99b2547445c696f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling argopt-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "a677cb58993014d4ca5cca70f4e51e4c33faca1d1ecd47a99b2547445c696f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a677cb58993014d4ca5cca70f4e51e4c33faca1d1ecd47a99b2547445c696f2f", kill_on_drop: false }`
[INFO] [stdout] a677cb58993014d4ca5cca70f4e51e4c33faca1d1ecd47a99b2547445c696f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 7ef8e3622091a540020f20adfe7555e6730d94cdbf76b169029f19fd01fa7e0e
[INFO] running `Command { std: "docker" "start" "-a" "7ef8e3622091a540020f20adfe7555e6730d94cdbf76b169029f19fd01fa7e0e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/argopt_impl-1c2853c5e3ee9f9d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests argopt-impl
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "7ef8e3622091a540020f20adfe7555e6730d94cdbf76b169029f19fd01fa7e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef8e3622091a540020f20adfe7555e6730d94cdbf76b169029f19fd01fa7e0e", kill_on_drop: false }`
[INFO] [stdout] 7ef8e3622091a540020f20adfe7555e6730d94cdbf76b169029f19fd01fa7e0e