[INFO] fetching crate fpipe 0.1.1...
[INFO] testing fpipe-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fpipe 0.1.1 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate fpipe 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-47/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" "+1.55.0" "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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b38b7fe83b04b8462feb35f16383b0b8768c71be3dbf207bcc5b63d70233c4bd
[INFO] running `Command { std: "docker" "start" "-a" "b38b7fe83b04b8462feb35f16383b0b8768c71be3dbf207bcc5b63d70233c4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b38b7fe83b04b8462feb35f16383b0b8768c71be3dbf207bcc5b63d70233c4bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38b7fe83b04b8462feb35f16383b0b8768c71be3dbf207bcc5b63d70233c4bd", kill_on_drop: false }`
[INFO] [stdout] b38b7fe83b04b8462feb35f16383b0b8768c71be3dbf207bcc5b63d70233c4bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b1b6930f33e3261a828d6180ff7019334c43c45a400be964a4f20ca8ec67df8
[INFO] running `Command { std: "docker" "start" "-a" "5b1b6930f33e3261a828d6180ff7019334c43c45a400be964a4f20ca8ec67df8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.7.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tokio v0.3.2
[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] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:153:6
[INFO] [stdout]     |
[INFO] [stdout] 153 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.98s
[INFO] running `Command { std: "docker" "inspect" "5b1b6930f33e3261a828d6180ff7019334c43c45a400be964a4f20ca8ec67df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1b6930f33e3261a828d6180ff7019334c43c45a400be964a4f20ca8ec67df8", kill_on_drop: false }`
[INFO] [stdout] 5b1b6930f33e3261a828d6180ff7019334c43c45a400be964a4f20ca8ec67df8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 410ce584afd76157ee3253c8514e141a6cde1fa53836401fd931ce33809e7dbf
[INFO] running `Command { std: "docker" "start" "-a" "410ce584afd76157ee3253c8514e141a6cde1fa53836401fd931ce33809e7dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:153:6
[INFO] [stdout]     |
[INFO] [stdout] 153 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling test_dir v0.1.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[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] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/main.rs:153:6
[INFO] [stdout]     |
[INFO] [stdout] 153 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3m 46s
[INFO] running `Command { std: "docker" "inspect" "410ce584afd76157ee3253c8514e141a6cde1fa53836401fd931ce33809e7dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410ce584afd76157ee3253c8514e141a6cde1fa53836401fd931ce33809e7dbf", kill_on_drop: false }`
[INFO] [stdout] 410ce584afd76157ee3253c8514e141a6cde1fa53836401fd931ce33809e7dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e58abc8521259f8d8425acd785e61bfdbbc917fab806d8d24b9b6175b048c44f
[INFO] running `Command { std: "docker" "start" "-a" "e58abc8521259f8d8425acd785e61bfdbbc917fab806d8d24b9b6175b048c44f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/main.rs:153:6
[INFO] [stderr]     |
[INFO] [stderr] 153 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fpipe` (bin "fpipe") generated 1 warning
[INFO] [stderr] warning: `fpipe` (bin "fpipe" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fpipe-2ec2b5400dde76ce)
[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]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-e6e5d5feedc5844a)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test input_passed_to_command_when_braces_exist ... ok
[INFO] [stdout] test no_output_when_command_fails ... ok
[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 keep_input_when_command_succeeds ... ok
[INFO] [stdout] test keep_input_when_command_fails_but_is_negated ... ok
[INFO] [stdout] test noargs ... ok
[INFO] [stdout] test input_run_as_command_is_split ... ok
[INFO] [stdout] test stdout_not_propagated_silence_long ... ok
[INFO] [stdout] test stdout_propagates_by_default ... ok
[INFO] [stdout] test stdout_not_propagated_silence_short ... ok
[INFO] [stdout] test first_false_does_not_stop_processing ... ok
[INFO] [stdout] test only_stdout_propagated_map_long ... ok
[INFO] [stdout] test sigpipe_from_output_does_not_trigger_error ... ok
[INFO] [stdout] test noargs_echo ... 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 each_line_gets_passed_to_command ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e58abc8521259f8d8425acd785e61bfdbbc917fab806d8d24b9b6175b048c44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58abc8521259f8d8425acd785e61bfdbbc917fab806d8d24b9b6175b048c44f", kill_on_drop: false }`
[INFO] [stdout] e58abc8521259f8d8425acd785e61bfdbbc917fab806d8d24b9b6175b048c44f