[INFO] fetching crate command-fds 0.2.1...
[INFO] testing command-fds-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate command-fds 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate command-fds 0.2.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-6/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" "+beta-2021-09-08" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d339946f197b799492f6988ac201ff31e04a36266396b9ca4fb84d0f823dccf3
[INFO] running `Command { std: "docker" "start" "-a" "d339946f197b799492f6988ac201ff31e04a36266396b9ca4fb84d0f823dccf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d339946f197b799492f6988ac201ff31e04a36266396b9ca4fb84d0f823dccf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d339946f197b799492f6988ac201ff31e04a36266396b9ca4fb84d0f823dccf3", kill_on_drop: false }`
[INFO] [stdout] d339946f197b799492f6988ac201ff31e04a36266396b9ca4fb84d0f823dccf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f7d11833b252cea789532b12c84da2d4e82ded299cfadacfcd8fbbc0c6e8587
[INFO] running `Command { std: "docker" "start" "-a" "6f7d11833b252cea789532b12c84da2d4e82ded299cfadacfcd8fbbc0c6e8587", 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 memoffset v0.6.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[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 6.49s
[INFO] running `Command { std: "docker" "inspect" "6f7d11833b252cea789532b12c84da2d4e82ded299cfadacfcd8fbbc0c6e8587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7d11833b252cea789532b12c84da2d4e82ded299cfadacfcd8fbbc0c6e8587", kill_on_drop: false }`
[INFO] [stdout] 6f7d11833b252cea789532b12c84da2d4e82ded299cfadacfcd8fbbc0c6e8587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a42334ce4906d411303b39bc9d9cc7f2ccc1bf90585378099614cc5e662ea19
[INFO] running `Command { std: "docker" "start" "-a" "4a42334ce4906d411303b39bc9d9cc7f2ccc1bf90585378099614cc5e662ea19", kill_on_drop: false }`
[INFO] [stderr]    Compiling command-fds v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "4a42334ce4906d411303b39bc9d9cc7f2ccc1bf90585378099614cc5e662ea19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a42334ce4906d411303b39bc9d9cc7f2ccc1bf90585378099614cc5e662ea19", kill_on_drop: false }`
[INFO] [stdout] 4a42334ce4906d411303b39bc9d9cc7f2ccc1bf90585378099614cc5e662ea19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13e6ab8f52737eba15a72e98ff14fe1ba5db6652d95754f4afef24ceefe48a1d
[INFO] running `Command { std: "docker" "start" "-a" "13e6ab8f52737eba15a72e98ff14fe1ba5db6652d95754f4afef24ceefe48a1d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/command_fds-c08aa67513f15fa2)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::conflicting_mappings ... ok
[INFO] [stdout] test tests::no_mappings ... ok
[INFO] [stdout] test tests::map_stdin ... ok
[INFO] [stdout] test tests::one_mapping ... ok
[INFO] [stdout] test tests::none_preserved ... 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 0.00s
[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 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "13e6ab8f52737eba15a72e98ff14fe1ba5db6652d95754f4afef24ceefe48a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e6ab8f52737eba15a72e98ff14fe1ba5db6652d95754f4afef24ceefe48a1d", kill_on_drop: false }`
[INFO] [stdout] 13e6ab8f52737eba15a72e98ff14fe1ba5db6652d95754f4afef24ceefe48a1d