[INFO] fetching crate syscall-rs 0.0.3...
[INFO] testing syscall-rs-0.0.3 against try#d724b5ab2f4ac098ff483349a80b6a3799a5177b for pr-113843
[INFO] extracting crate syscall-rs 0.0.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate syscall-rs 0.0.3 on toolchain d724b5ab2f4ac098ff483349a80b6a3799a5177b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syscall-rs 0.0.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate syscall-rs 0.0.3
[INFO] tweaked toml for crates.io crate syscall-rs 0.0.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate syscall-rs 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b42dabc0741b049df79388caa7ae790f9b7549e4ccd020bbfef8e2e129e7c363
[INFO] running `Command { std: "docker" "start" "-a" "b42dabc0741b049df79388caa7ae790f9b7549e4ccd020bbfef8e2e129e7c363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b42dabc0741b049df79388caa7ae790f9b7549e4ccd020bbfef8e2e129e7c363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42dabc0741b049df79388caa7ae790f9b7549e4ccd020bbfef8e2e129e7c363", kill_on_drop: false }`
[INFO] [stdout] b42dabc0741b049df79388caa7ae790f9b7549e4ccd020bbfef8e2e129e7c363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d9b3a9a891113d55a478acf131913e5941c9310f1497a65adc6c4411f93ea7f
[INFO] running `Command { std: "docker" "start" "-a" "3d9b3a9a891113d55a478acf131913e5941c9310f1497a65adc6c4411f93ea7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syscall-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "3d9b3a9a891113d55a478acf131913e5941c9310f1497a65adc6c4411f93ea7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9b3a9a891113d55a478acf131913e5941c9310f1497a65adc6c4411f93ea7f", kill_on_drop: false }`
[INFO] [stdout] 3d9b3a9a891113d55a478acf131913e5941c9310f1497a65adc6c4411f93ea7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2c4f6ecd05fbc6c714dcf99e7c5705c5da0c4e87581aa8d4d8e2e132435c09d
[INFO] running `Command { std: "docker" "start" "-a" "d2c4f6ecd05fbc6c714dcf99e7c5705c5da0c4e87581aa8d4d8e2e132435c09d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling syscall-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "d2c4f6ecd05fbc6c714dcf99e7c5705c5da0c4e87581aa8d4d8e2e132435c09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c4f6ecd05fbc6c714dcf99e7c5705c5da0c4e87581aa8d4d8e2e132435c09d", kill_on_drop: false }`
[INFO] [stdout] d2c4f6ecd05fbc6c714dcf99e7c5705c5da0c4e87581aa8d4d8e2e132435c09d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0b48aab9eddd115c47d5b10dc3ea10ceaed861f10e9f9f5a4439d90a5fb6b27
[INFO] running `Command { std: "docker" "start" "-a" "d0b48aab9eddd115c47d5b10dc3ea10ceaed861f10e9f9f5a4439d90a5fb6b27", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syscall-5fd595cf410c8b48)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test signal::tests::restore_signals ... ok
[INFO] [stdout] test signal::tests::signal_set_add ... ok
[INFO] [stdout] test signal::tests::signal_set_remove ... ok
[INFO] [stdout] test signal::tests::signal_set_remove_unknown ... ok
[INFO] [stdout] test signal::tests::block_signals ... ok
[INFO] [stdout] test signal::tests::signal_try_from ... ok
[INFO] [stdout] test wait::tests::wait_any ... ignored, must run in isolation
[INFO] [stdout] test signal::tests::signalfd_new ... ok
[INFO] [stdout] test wait::tests::wait_exit ... ok
[INFO] [stdout] test wait::tests::wait_stop_kill ... ok
[INFO] [stdout] test wait::tests::wait_unknown ... ok
[INFO] [stdout] test wait::tests::wait_kill ... ok
[INFO] [stdout] test wait::tests::wait_stop ... ok
[INFO] [stdout] test signal::tests::signalfd_drop_invalid - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/wait_child.rs (/opt/rustwide/target/debug/deps/wait_child-e9258c6b4f6e5054)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test wait_child ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d0b48aab9eddd115c47d5b10dc3ea10ceaed861f10e9f9f5a4439d90a5fb6b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b48aab9eddd115c47d5b10dc3ea10ceaed861f10e9f9f5a4439d90a5fb6b27", kill_on_drop: false }`
[INFO] [stdout] d0b48aab9eddd115c47d5b10dc3ea10ceaed861f10e9f9f5a4439d90a5fb6b27