[INFO] fetching crate command-fds 0.2.1...
[INFO] testing command-fds-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate command-fds 0.2.1 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate command-fds 0.2.1 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 command-fds 0.2.1
[INFO] finished tweaking crates.io crate command-fds 0.2.1
[INFO] tweaked toml for crates.io crate command-fds 0.2.1 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate crates.io crate command-fds 0.2.1 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] 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] 7fbc6e84286c50e27995610c48a630cf51973bcbf596ba585e3192baecdc99c1
[INFO] running `Command { std: "docker" "start" "-a" "7fbc6e84286c50e27995610c48a630cf51973bcbf596ba585e3192baecdc99c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fbc6e84286c50e27995610c48a630cf51973bcbf596ba585e3192baecdc99c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbc6e84286c50e27995610c48a630cf51973bcbf596ba585e3192baecdc99c1", kill_on_drop: false }`
[INFO] [stdout] 7fbc6e84286c50e27995610c48a630cf51973bcbf596ba585e3192baecdc99c1
[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] a14e383ab24724223e69f0daa70fe082f858e59ef0f95f1f1c8d6bd9a8d49c05
[INFO] running `Command { std: "docker" "start" "-a" "a14e383ab24724223e69f0daa70fe082f858e59ef0f95f1f1c8d6bd9a8d49c05", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling command-fds v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "a14e383ab24724223e69f0daa70fe082f858e59ef0f95f1f1c8d6bd9a8d49c05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14e383ab24724223e69f0daa70fe082f858e59ef0f95f1f1c8d6bd9a8d49c05", kill_on_drop: false }`
[INFO] [stdout] a14e383ab24724223e69f0daa70fe082f858e59ef0f95f1f1c8d6bd9a8d49c05
[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] e7310a3c322e828cdfea392993fc4d9cda209ba3e9429fc7e2192171a9f807c8
[INFO] running `Command { std: "docker" "start" "-a" "e7310a3c322e828cdfea392993fc4d9cda209ba3e9429fc7e2192171a9f807c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling command-fds v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "e7310a3c322e828cdfea392993fc4d9cda209ba3e9429fc7e2192171a9f807c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7310a3c322e828cdfea392993fc4d9cda209ba3e9429fc7e2192171a9f807c8", kill_on_drop: false }`
[INFO] [stdout] e7310a3c322e828cdfea392993fc4d9cda209ba3e9429fc7e2192171a9f807c8
[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] 1b159cc0352fb4dc2b959f6250bca3d6576c60cae3cf986d6b9dad40b15bde0f
[INFO] running `Command { std: "docker" "start" "-a" "1b159cc0352fb4dc2b959f6250bca3d6576c60cae3cf986d6b9dad40b15bde0f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/command_fds-add16963dfbcecb3)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::conflicting_mappings ... ok
[INFO] [stdout] test tests::map_stdin ... ok
[INFO] [stdout] test tests::no_mappings ... ok
[INFO] [stdout] test tests::none_preserved ... ok
[INFO] [stdout] test tests::one_mapping ... ok
[INFO] [stdout] test tests::one_preserved ... ok
[INFO] [stdout] test tests::one_to_one_mapping ... ok
[INFO] [stdout] test tests::swap_mappings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests command-fds
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b159cc0352fb4dc2b959f6250bca3d6576c60cae3cf986d6b9dad40b15bde0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b159cc0352fb4dc2b959f6250bca3d6576c60cae3cf986d6b9dad40b15bde0f", kill_on_drop: false }`
[INFO] [stdout] 1b159cc0352fb4dc2b959f6250bca3d6576c60cae3cf986d6b9dad40b15bde0f