[INFO] fetching crate rust-command-opt 0.1.0...
[INFO] testing rust-command-opt-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rust-command-opt 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust-command-opt 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-command-opt 0.1.0
[INFO] finished tweaking crates.io crate rust-command-opt 0.1.0
[INFO] tweaked toml for crates.io crate rust-command-opt 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eb6d83911eb007d3005e472812d91935f1756508e47d035cdc8bca668860234
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2eb6d83911eb007d3005e472812d91935f1756508e47d035cdc8bca668860234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eb6d83911eb007d3005e472812d91935f1756508e47d035cdc8bca668860234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb6d83911eb007d3005e472812d91935f1756508e47d035cdc8bca668860234", kill_on_drop: false }`
[INFO] [stdout] 2eb6d83911eb007d3005e472812d91935f1756508e47d035cdc8bca668860234
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2e1769ad42723b6085c6d4f14d15e30e98da539d4e78f5f26334dbadca3a838
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d2e1769ad42723b6085c6d4f14d15e30e98da539d4e78f5f26334dbadca3a838", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-command-opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "d2e1769ad42723b6085c6d4f14d15e30e98da539d4e78f5f26334dbadca3a838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e1769ad42723b6085c6d4f14d15e30e98da539d4e78f5f26334dbadca3a838", kill_on_drop: false }`
[INFO] [stdout] d2e1769ad42723b6085c6d4f14d15e30e98da539d4e78f5f26334dbadca3a838
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eeedc501669e63dcc42d807cf2ccb7a24fe31f30b340763a45ab3ae51877e5d1
[INFO] running `Command { std: "docker" "start" "-a" "eeedc501669e63dcc42d807cf2ccb7a24fe31f30b340763a45ab3ae51877e5d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-command-opt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "eeedc501669e63dcc42d807cf2ccb7a24fe31f30b340763a45ab3ae51877e5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeedc501669e63dcc42d807cf2ccb7a24fe31f30b340763a45ab3ae51877e5d1", kill_on_drop: false }`
[INFO] [stdout] eeedc501669e63dcc42d807cf2ccb7a24fe31f30b340763a45ab3ae51877e5d1
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a173b495b09f581710c08dd4a253d2b76d3c759467d0e147651b93270636ff85
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a173b495b09f581710c08dd4a253d2b76d3c759467d0e147651b93270636ff85", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_command_opt-f0461a7b09741f96
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-command-opt
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/opt.rs - opt::Opt::get_opt_short (line 166) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::get_opt (line 96) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::get_opt_short_with_default (line 127) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::get_opt_normal (line 179) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt (line 8) ... ok
[INFO] [stdout] test src/opt.rs - opt::Opt::get_opt_normal_with_default (line 147) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a173b495b09f581710c08dd4a253d2b76d3c759467d0e147651b93270636ff85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a173b495b09f581710c08dd4a253d2b76d3c759467d0e147651b93270636ff85", kill_on_drop: false }`
[INFO] [stdout] a173b495b09f581710c08dd4a253d2b76d3c759467d0e147651b93270636ff85