[INFO] fetching crate cargo-cmd 0.3.1...
[INFO] testing cargo-cmd-0.3.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate cargo-cmd 0.3.1 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate cargo-cmd 0.3.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-cmd 0.3.1
[INFO] finished tweaking crates.io crate cargo-cmd 0.3.1
[INFO] tweaked toml for crates.io crate cargo-cmd 0.3.1 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate crates.io crate cargo-cmd 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bb7808410784465c94735d0d83e0dd782a3f88044a6be4c552aa239f1ff2eb6
[INFO] running `Command { std: "docker" "start" "-a" "6bb7808410784465c94735d0d83e0dd782a3f88044a6be4c552aa239f1ff2eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bb7808410784465c94735d0d83e0dd782a3f88044a6be4c552aa239f1ff2eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bb7808410784465c94735d0d83e0dd782a3f88044a6be4c552aa239f1ff2eb6", kill_on_drop: false }`
[INFO] [stdout] 6bb7808410784465c94735d0d83e0dd782a3f88044a6be4c552aa239f1ff2eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da85ee7eb04d85717438bc6054c5ce462123b7a5a0af4bc7707a3ce5e6ff283
[INFO] running `Command { std: "docker" "start" "-a" "4da85ee7eb04d85717438bc6054c5ce462123b7a5a0af4bc7707a3ce5e6ff283", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling subprocess v0.2.4
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling structopt v0.3.12
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling cargo-cmd v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "4da85ee7eb04d85717438bc6054c5ce462123b7a5a0af4bc7707a3ce5e6ff283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da85ee7eb04d85717438bc6054c5ce462123b7a5a0af4bc7707a3ce5e6ff283", kill_on_drop: false }`
[INFO] [stdout] 4da85ee7eb04d85717438bc6054c5ce462123b7a5a0af4bc7707a3ce5e6ff283
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bedc307578d1e0dbbd8bc99d1d73d5c29e1c7d7d5e1a55a9cbc91e1db12217b
[INFO] running `Command { std: "docker" "start" "-a" "7bedc307578d1e0dbbd8bc99d1d73d5c29e1c7d7d5e1a55a9cbc91e1db12217b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling environment v0.1.1
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling assert_cli v0.6.3
[INFO] [stderr]    Compiling cargo-cmd v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "7bedc307578d1e0dbbd8bc99d1d73d5c29e1c7d7d5e1a55a9cbc91e1db12217b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bedc307578d1e0dbbd8bc99d1d73d5c29e1c7d7d5e1a55a9cbc91e1db12217b", kill_on_drop: false }`
[INFO] [stdout] 7bedc307578d1e0dbbd8bc99d1d73d5c29e1c7d7d5e1a55a9cbc91e1db12217b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e701aff5fb3a170335f27b1912e2522bb5c20cc154f3192e8fabb2ef960fef18
[INFO] running `Command { std: "docker" "start" "-a" "e701aff5fb3a170335f27b1912e2522bb5c20cc154f3192e8fabb2ef960fef18", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_cmd-99163ddf79f732a6)
[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] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-5b989f7708cc0ab9)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test it_errors_if_cmd_not_found ... ok
[INFO] [stdout] test it_labels_the_command_if_running_multiple ... ok
[INFO] [stdout] test it_passes_extra_arguments_to_the_command ... ok
[INFO] [stdout] test it_succeeds_when_command_is_found ... ok
[INFO] [stdout] test it_shows_help_for_no_args ... ok
[INFO] [stdout] test it_runs_the_post_command ... ok
[INFO] [stdout] test it_runs_the_pre_command ... ok
[INFO] [stdout] test it_returns_the_exit_code_of_the_command_when_it_fails ... ok
[INFO] [stdout] test it_stops_the_chain_if_a_command_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e701aff5fb3a170335f27b1912e2522bb5c20cc154f3192e8fabb2ef960fef18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e701aff5fb3a170335f27b1912e2522bb5c20cc154f3192e8fabb2ef960fef18", kill_on_drop: false }`
[INFO] [stdout] e701aff5fb3a170335f27b1912e2522bb5c20cc154f3192e8fabb2ef960fef18