[INFO] fetching crate mpsc_requests 0.3.3...
[INFO] testing mpsc_requests-0.3.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mpsc_requests 0.3.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate mpsc_requests 0.3.3 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 mpsc_requests 0.3.3
[INFO] finished tweaking crates.io crate mpsc_requests 0.3.3
[INFO] tweaked toml for crates.io crate mpsc_requests 0.3.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate mpsc_requests 0.3.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 916d1dc1c7c80444a3d7a523fde8d4847242cb049fa77834a8a7c67f583b0447
[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" "916d1dc1c7c80444a3d7a523fde8d4847242cb049fa77834a8a7c67f583b0447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "916d1dc1c7c80444a3d7a523fde8d4847242cb049fa77834a8a7c67f583b0447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916d1dc1c7c80444a3d7a523fde8d4847242cb049fa77834a8a7c67f583b0447", kill_on_drop: false }`
[INFO] [stdout] 916d1dc1c7c80444a3d7a523fde8d4847242cb049fa77834a8a7c67f583b0447
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e8b11bb00d8b309405d104bf7bdbf1f1d1ae0f3765330a77c9ba3f1b58b586a0
[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" "e8b11bb00d8b309405d104bf7bdbf1f1d1ae0f3765330a77c9ba3f1b58b586a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpsc_requests v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "e8b11bb00d8b309405d104bf7bdbf1f1d1ae0f3765330a77c9ba3f1b58b586a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b11bb00d8b309405d104bf7bdbf1f1d1ae0f3765330a77c9ba3f1b58b586a0", kill_on_drop: false }`
[INFO] [stdout] e8b11bb00d8b309405d104bf7bdbf1f1d1ae0f3765330a77c9ba3f1b58b586a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4e312b0ef74a19c190abc6df73257c142a52d72b11230d83219f2bd62f75664e
[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" "4e312b0ef74a19c190abc6df73257c142a52d72b11230d83219f2bd62f75664e", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpsc_requests v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "4e312b0ef74a19c190abc6df73257c142a52d72b11230d83219f2bd62f75664e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e312b0ef74a19c190abc6df73257c142a52d72b11230d83219f2bd62f75664e", kill_on_drop: false }`
[INFO] [stdout] 4e312b0ef74a19c190abc6df73257c142a52d72b11230d83219f2bd62f75664e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4fdf471bd6cc4309e640008093e894d4cd63c225d5ca39a2c5e77af2adbd25bf
[INFO] running `Command { std: "docker" "start" "-a" "4fdf471bd6cc4309e640008093e894d4cd63c225d5ca39a2c5e77af2adbd25bf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mpsc_requests-9a0b1bf08193725d
[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/test-4e7e6e52824c7a94
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] test tests::test_echo ... ok
[INFO] [stdout] test tests::test_wordcount ... ok
[INFO] [stderr]    Doc-tests mpsc_requests
[INFO] [stdout] test tests::test_multiple_requesters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fdf471bd6cc4309e640008093e894d4cd63c225d5ca39a2c5e77af2adbd25bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fdf471bd6cc4309e640008093e894d4cd63c225d5ca39a2c5e77af2adbd25bf", kill_on_drop: false }`
[INFO] [stdout] 4fdf471bd6cc4309e640008093e894d4cd63c225d5ca39a2c5e77af2adbd25bf