[INFO] fetching crate tap 1.0.0...
[INFO] testing tap-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tap 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tap 1.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tap 1.0.0
[INFO] finished tweaking crates.io crate tap 1.0.0
[INFO] tweaked toml for crates.io crate tap 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 521e37100a808618d633f36a19f92b1568fede5b8ba29a61cd18fb550ccfa489
[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" "521e37100a808618d633f36a19f92b1568fede5b8ba29a61cd18fb550ccfa489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "521e37100a808618d633f36a19f92b1568fede5b8ba29a61cd18fb550ccfa489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521e37100a808618d633f36a19f92b1568fede5b8ba29a61cd18fb550ccfa489", kill_on_drop: false }`
[INFO] [stdout] 521e37100a808618d633f36a19f92b1568fede5b8ba29a61cd18fb550ccfa489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 772905cae7834c5cc7ae02d9855b8eac83204374d810af132622cfab9a41e004
[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" "772905cae7834c5cc7ae02d9855b8eac83204374d810af132622cfab9a41e004", kill_on_drop: false }`
[INFO] [stderr]    Compiling tap v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "772905cae7834c5cc7ae02d9855b8eac83204374d810af132622cfab9a41e004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "772905cae7834c5cc7ae02d9855b8eac83204374d810af132622cfab9a41e004", kill_on_drop: false }`
[INFO] [stdout] 772905cae7834c5cc7ae02d9855b8eac83204374d810af132622cfab9a41e004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3d39897b770b0eba2ee1a1a64ba66e455bab5ba86efa29cdede4f335a198094
[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" "d3d39897b770b0eba2ee1a1a64ba66e455bab5ba86efa29cdede4f335a198094", kill_on_drop: false }`
[INFO] [stderr]    Compiling tap v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "d3d39897b770b0eba2ee1a1a64ba66e455bab5ba86efa29cdede4f335a198094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d39897b770b0eba2ee1a1a64ba66e455bab5ba86efa29cdede4f335a198094", kill_on_drop: false }`
[INFO] [stdout] d3d39897b770b0eba2ee1a1a64ba66e455bab5ba86efa29cdede4f335a198094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d0300a1e7957e323030fb9e430e4d55fc50ad5c16ce1fb0a34960190fd5b8b4
[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" "3d0300a1e7957e323030fb9e430e4d55fc50ad5c16ce1fb0a34960190fd5b8b4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tap-7c2ae547c2e14dc3
[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) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe (line 27) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe (line 38) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe_ref (line 85) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe_borrow_mut (line 157) ... ok
[INFO] [stdout] test src/lib.rs - (line 108) ... ok
[INFO] [stdout] test src/conv.rs - conv::Conv::conv (line 41) ... ok
[INFO] [stdout] test src/tap.rs - tap (line 18) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/conv.rs - conv::TryConv::try_conv (line 69) ... ok
[INFO] [stdout] test src/tap.rs - tap::Tap::tap (line 65) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe_borrow (line 136) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe_ref_mut (line 108) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... 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 4.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d0300a1e7957e323030fb9e430e4d55fc50ad5c16ce1fb0a34960190fd5b8b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d0300a1e7957e323030fb9e430e4d55fc50ad5c16ce1fb0a34960190fd5b8b4", kill_on_drop: false }`
[INFO] [stdout] 3d0300a1e7957e323030fb9e430e4d55fc50ad5c16ce1fb0a34960190fd5b8b4