[INFO] fetching crate fpipe 0.1.1...
[INFO] testing fpipe-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate fpipe 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fpipe 0.1.1 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 fpipe 0.1.1
[INFO] finished tweaking crates.io crate fpipe 0.1.1
[INFO] tweaked toml for crates.io crate fpipe 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate fpipe 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9edb377e18cc13d394c13c7a023799cf77c08813633b448613efd5232f91292a
[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" "9edb377e18cc13d394c13c7a023799cf77c08813633b448613efd5232f91292a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9edb377e18cc13d394c13c7a023799cf77c08813633b448613efd5232f91292a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9edb377e18cc13d394c13c7a023799cf77c08813633b448613efd5232f91292a", kill_on_drop: false }`
[INFO] [stdout] 9edb377e18cc13d394c13c7a023799cf77c08813633b448613efd5232f91292a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] fcb26e36bd85e73c9e9015b517b6b4289007f62665af2588e8879b83976caf53
[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" "fcb26e36bd85e73c9e9015b517b6b4289007f62665af2588e8879b83976caf53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling mio v0.7.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tokio v0.3.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]    Compiling fpipe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.85s
[INFO] running `Command { std: "docker" "inspect" "fcb26e36bd85e73c9e9015b517b6b4289007f62665af2588e8879b83976caf53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb26e36bd85e73c9e9015b517b6b4289007f62665af2588e8879b83976caf53", kill_on_drop: false }`
[INFO] [stdout] fcb26e36bd85e73c9e9015b517b6b4289007f62665af2588e8879b83976caf53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] abb08c0dd0744e6f54ad20aa415c61b604e5377a262539fa85fb407dab754652
[INFO] running `Command { std: "docker" "start" "-a" "abb08c0dd0744e6f54ad20aa415c61b604e5377a262539fa85fb407dab754652", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling test_dir v0.1.0
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling predicates v1.0.5
[INFO] [stderr]    Compiling assert_cmd v1.0.1
[INFO] [stderr]    Compiling fpipe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.20s
[INFO] running `Command { std: "docker" "inspect" "abb08c0dd0744e6f54ad20aa415c61b604e5377a262539fa85fb407dab754652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb08c0dd0744e6f54ad20aa415c61b604e5377a262539fa85fb407dab754652", kill_on_drop: false }`
[INFO] [stdout] abb08c0dd0744e6f54ad20aa415c61b604e5377a262539fa85fb407dab754652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d5e3af331bc3bb53ac7a1d9b1a19da51174c29348f536e507121fe5f16fb59a
[INFO] running `Command { std: "docker" "start" "-a" "7d5e3af331bc3bb53ac7a1d9b1a19da51174c29348f536e507121fe5f16fb59a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fpipe-f6ebdf0154cb3545
[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] [stderr]      Running /opt/rustwide/target/debug/deps/tests-af4fd2953b0efb00
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test empty_input_run_as_command_does_not_crash ... ok
[INFO] [stdout] test input_run_as_command_via_braces ... ok
[INFO] [stdout] test input_run_as_command_is_split ... ok
[INFO] [stdout] test first_false_does_not_stop_processing ... ok
[INFO] [stdout] test noargs ... ok
[INFO] [stdout] test input_passed_to_command_when_braces_exist ... ok
[INFO] [stdout] test noargs_echo ... ok
[INFO] [stdout] test keep_input_when_command_fails_but_is_negated ... ok
[INFO] [stdout] test keep_input_when_command_succeeds ... ok
[INFO] [stdout] test only_stdout_propagated_map_long ... ok
[INFO] [stdout] test each_line_gets_passed_to_command ... ok
[INFO] [stdout] test no_output_when_command_fails ... ok
[INFO] [stdout] test no_output_when_command_succeeds_but_is_negated ... ok
[INFO] [stdout] test only_stdout_propagated_map_short ... ok
[INFO] [stdout] test input_not_on_stdin_when_braces_exist ... ok
[INFO] [stdout] test sigpipe_from_output_does_not_trigger_error ... ok
[INFO] [stdout] test stdout_not_propagated_silence_short ... ok
[INFO] [stdout] test stdout_not_propagated_silence_long ... ok
[INFO] [stdout] test stdout_propagates_by_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d5e3af331bc3bb53ac7a1d9b1a19da51174c29348f536e507121fe5f16fb59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5e3af331bc3bb53ac7a1d9b1a19da51174c29348f536e507121fe5f16fb59a", kill_on_drop: false }`
[INFO] [stdout] 7d5e3af331bc3bb53ac7a1d9b1a19da51174c29348f536e507121fe5f16fb59a