[INFO] fetching crate thread_io 0.3.0...
[INFO] testing thread_io-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate thread_io 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate thread_io 0.3.0 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 thread_io 0.3.0
[INFO] finished tweaking crates.io crate thread_io 0.3.0
[INFO] tweaked toml for crates.io crate thread_io 0.3.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9fa43d66c1c9fd541858841918d3673a01a20ad1b0663272567586209aeab10
[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" "c9fa43d66c1c9fd541858841918d3673a01a20ad1b0663272567586209aeab10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9fa43d66c1c9fd541858841918d3673a01a20ad1b0663272567586209aeab10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9fa43d66c1c9fd541858841918d3673a01a20ad1b0663272567586209aeab10", kill_on_drop: false }`
[INFO] [stdout] c9fa43d66c1c9fd541858841918d3673a01a20ad1b0663272567586209aeab10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 80b424c51a6e9d54f81c83e25b496c3476747bd6e146921fd271f7ec3387f489
[INFO] running `Command { std: "docker" "start" "-a" "80b424c51a6e9d54f81c83e25b496c3476747bd6e146921fd271f7ec3387f489", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling thread_io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "80b424c51a6e9d54f81c83e25b496c3476747bd6e146921fd271f7ec3387f489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80b424c51a6e9d54f81c83e25b496c3476747bd6e146921fd271f7ec3387f489", kill_on_drop: false }`
[INFO] [stdout] 80b424c51a6e9d54f81c83e25b496c3476747bd6e146921fd271f7ec3387f489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ce1d9dc832d127d664e2ed543fd95f077be7394e957e0273f3025b803accd2
[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" "97ce1d9dc832d127d664e2ed543fd95f077be7394e957e0273f3025b803accd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_io v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "97ce1d9dc832d127d664e2ed543fd95f077be7394e957e0273f3025b803accd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ce1d9dc832d127d664e2ed543fd95f077be7394e957e0273f3025b803accd2", kill_on_drop: false }`
[INFO] [stdout] 97ce1d9dc832d127d664e2ed543fd95f077be7394e957e0273f3025b803accd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e961f5ea0bd72f2d734a6b42bde2fb169764980cbc1edefbb8650a960d0f0a49
[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" "e961f5ea0bd72f2d734a6b42bde2fb169764980cbc1edefbb8650a960d0f0a49", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[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/thread_io-aef6f7c56a61979d
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/read-8186ba1bb9bcac8c
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test read_interrupted ... ok
[INFO] [stdout] test read_fail_processing ... ok
[INFO] [stdout] test read_panic_processing ... ok
[INFO] [stdout] test read_panic ... ok
[INFO] [stdout] test reader_init_panic ... ok
[INFO] [stdout] test reader_init_fail ... ok
[INFO] [stdout] test read_fail ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/write-9bce7780a48f5e3d
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test write_source_fail ... ok
[INFO] [stdout] test writer_flush ... ok
[INFO] [stdout] test writer_init_fail ... ok
[INFO] [stdout] test write_source_panic ... ok
[INFO] [stdout] test writer_init_panic ... ok
[INFO] [stdout] test write_thread ... ok
[INFO] [stdout] test write_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thread_io
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/read.rs - read::reader_init (line 228) ... ok
[INFO] [stdout] test src/write.rs - write::writer (line 226) ... ok
[INFO] [stdout] test src/write.rs - write::writer_finish (line 291) ... ok
[INFO] [stdout] test src/write.rs - write::writer_init (line 254) ... ok
[INFO] [stdout] test src/read.rs - read::reader (line 200) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e961f5ea0bd72f2d734a6b42bde2fb169764980cbc1edefbb8650a960d0f0a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e961f5ea0bd72f2d734a6b42bde2fb169764980cbc1edefbb8650a960d0f0a49", kill_on_drop: false }`
[INFO] [stdout] e961f5ea0bd72f2d734a6b42bde2fb169764980cbc1edefbb8650a960d0f0a49