[INFO] fetching crate tap 1.0.0...
[INFO] testing tap-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tap 1.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tap 1.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7126fa6b9e6045abb7e2df0df026ae44455203c6ff7a06ea2217207c7c03fd3
[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" "c7126fa6b9e6045abb7e2df0df026ae44455203c6ff7a06ea2217207c7c03fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7126fa6b9e6045abb7e2df0df026ae44455203c6ff7a06ea2217207c7c03fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7126fa6b9e6045abb7e2df0df026ae44455203c6ff7a06ea2217207c7c03fd3", kill_on_drop: false }`
[INFO] [stdout] c7126fa6b9e6045abb7e2df0df026ae44455203c6ff7a06ea2217207c7c03fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cde18c57444bb388b8011bd3a1164b57c8ba12444fb2880a05e82885e230996
[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" "3cde18c57444bb388b8011bd3a1164b57c8ba12444fb2880a05e82885e230996", kill_on_drop: false }`
[INFO] [stderr]    Compiling tap v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "3cde18c57444bb388b8011bd3a1164b57c8ba12444fb2880a05e82885e230996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cde18c57444bb388b8011bd3a1164b57c8ba12444fb2880a05e82885e230996", kill_on_drop: false }`
[INFO] [stdout] 3cde18c57444bb388b8011bd3a1164b57c8ba12444fb2880a05e82885e230996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f56a441865e5e806a463b214d474f1e30b92b54f19a829ccbd050c5b916aab9
[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" "4f56a441865e5e806a463b214d474f1e30b92b54f19a829ccbd050c5b916aab9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tap v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "4f56a441865e5e806a463b214d474f1e30b92b54f19a829ccbd050c5b916aab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f56a441865e5e806a463b214d474f1e30b92b54f19a829ccbd050c5b916aab9", kill_on_drop: false }`
[INFO] [stdout] 4f56a441865e5e806a463b214d474f1e30b92b54f19a829ccbd050c5b916aab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9bb90be540031284906b3959d2e54306a0dfc1dc402cb53d13b2732f0d4f6bc4
[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" "9bb90be540031284906b3959d2e54306a0dfc1dc402cb53d13b2732f0d4f6bc4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tap-6e1f0f84c00ddd57
[INFO] [stderr]    Doc-tests tap
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/lib.rs - (line 82) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe (line 60) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe (line 27) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe_ref_mut (line 108) ... ok
[INFO] [stdout] test src/lib.rs - (line 108) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe::pipe_borrow (line 136) ... 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/lib.rs - (line 18) ... 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 (line 85) ... ok
[INFO] [stdout] test src/tap.rs - tap::Tap::tap (line 65) ... ok
[INFO] [stdout] test src/pipe.rs - pipe::Pipe (line 38) ... ok
[INFO] [stdout] test src/conv.rs - conv::Conv::conv (line 41) ... 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 106) ... ok
[INFO] [stdout] test src/tap.rs - tap::Tap::tap_mut (line 96) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bb90be540031284906b3959d2e54306a0dfc1dc402cb53d13b2732f0d4f6bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb90be540031284906b3959d2e54306a0dfc1dc402cb53d13b2732f0d4f6bc4", kill_on_drop: false }`
[INFO] [stdout] 9bb90be540031284906b3959d2e54306a0dfc1dc402cb53d13b2732f0d4f6bc4