[INFO] fetching crate tap 1.0.1...
[INFO] testing tap-1.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tap 1.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tap 1.0.1 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 tap 1.0.1
[INFO] finished tweaking crates.io crate tap 1.0.1
[INFO] tweaked toml for crates.io crate tap 1.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3350a984b415302b01bd5309f0c1ad36d77819699fc05a5fa97673fc2bba8a7d
[INFO] running `Command { std: "docker" "start" "-a" "3350a984b415302b01bd5309f0c1ad36d77819699fc05a5fa97673fc2bba8a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3350a984b415302b01bd5309f0c1ad36d77819699fc05a5fa97673fc2bba8a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3350a984b415302b01bd5309f0c1ad36d77819699fc05a5fa97673fc2bba8a7d", kill_on_drop: false }`
[INFO] [stdout] 3350a984b415302b01bd5309f0c1ad36d77819699fc05a5fa97673fc2bba8a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 142b8462fc32e765201fcca9f8b86c092671ffaba85bff57de133f4b8f64e04e
[INFO] running `Command { std: "docker" "start" "-a" "142b8462fc32e765201fcca9f8b86c092671ffaba85bff57de133f4b8f64e04e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tap v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "142b8462fc32e765201fcca9f8b86c092671ffaba85bff57de133f4b8f64e04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142b8462fc32e765201fcca9f8b86c092671ffaba85bff57de133f4b8f64e04e", kill_on_drop: false }`
[INFO] [stdout] 142b8462fc32e765201fcca9f8b86c092671ffaba85bff57de133f4b8f64e04e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d6f072aa18cebea6403f4d101fc289a1cc2180192cd85f43192cdeb10c80dd79
[INFO] running `Command { std: "docker" "start" "-a" "d6f072aa18cebea6403f4d101fc289a1cc2180192cd85f43192cdeb10c80dd79", kill_on_drop: false }`
[INFO] [stderr]    Compiling tap v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d6f072aa18cebea6403f4d101fc289a1cc2180192cd85f43192cdeb10c80dd79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f072aa18cebea6403f4d101fc289a1cc2180192cd85f43192cdeb10c80dd79", kill_on_drop: false }`
[INFO] [stdout] d6f072aa18cebea6403f4d101fc289a1cc2180192cd85f43192cdeb10c80dd79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 74764dd41ca71646faeb54a21a765d3393576e68c9f6f2e2df10aaa0ee9ca3dd
[INFO] running `Command { std: "docker" "start" "-a" "74764dd41ca71646faeb54a21a765d3393576e68c9f6f2e2df10aaa0ee9ca3dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tap-fb8397525ed85af1)
[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]    Doc-tests tap
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/lib.rs - (line 82) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/lib.rs - (line 108) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe (line 60) ... ok
[INFO] [stdout] test src/tap.rs - tap::Tap::tap (line 65) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe (line 27) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe_borrow_mut (line 157) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe_ref_mut (line 108) ... ok
[INFO] [stdout] test src/conv.rs - conv::TryConv::try_conv (line 69) ... ok
[INFO] [stdout] test src/conv.rs - conv::Conv::conv (line 41) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe_borrow (line 136) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe_ref (line 85) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe (line 38) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] test src/tap.rs - tap (line 18) ... ok
[INFO] [stdout] test src/tap.rs - tap::Tap::tap_mut (line 96) ... ok
[INFO] [stdout] test src/tap.rs - tap::Tap::tap_mut (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "74764dd41ca71646faeb54a21a765d3393576e68c9f6f2e2df10aaa0ee9ca3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74764dd41ca71646faeb54a21a765d3393576e68c9f6f2e2df10aaa0ee9ca3dd", kill_on_drop: false }`
[INFO] [stdout] 74764dd41ca71646faeb54a21a765d3393576e68c9f6f2e2df10aaa0ee9ca3dd