[INFO] fetching crate shared_channel 0.2.0...
[INFO] testing shared_channel-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate shared_channel 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate shared_channel 0.2.0 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 shared_channel 0.2.0
[INFO] finished tweaking crates.io crate shared_channel 0.2.0
[INFO] tweaked toml for crates.io crate shared_channel 0.2.0 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c89b0b00bc3265aca5afc616dc2cd9ad9b2aead0eafd938fb1ac85209b4b7363
[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" "c89b0b00bc3265aca5afc616dc2cd9ad9b2aead0eafd938fb1ac85209b4b7363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c89b0b00bc3265aca5afc616dc2cd9ad9b2aead0eafd938fb1ac85209b4b7363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89b0b00bc3265aca5afc616dc2cd9ad9b2aead0eafd938fb1ac85209b4b7363", kill_on_drop: false }`
[INFO] [stdout] c89b0b00bc3265aca5afc616dc2cd9ad9b2aead0eafd938fb1ac85209b4b7363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] fadf0c1477ce0ff4b50741b4446dd9e5a1073cbe9381d105e35207e9627cb319
[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" "fadf0c1477ce0ff4b50741b4446dd9e5a1073cbe9381d105e35207e9627cb319", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_channel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "fadf0c1477ce0ff4b50741b4446dd9e5a1073cbe9381d105e35207e9627cb319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadf0c1477ce0ff4b50741b4446dd9e5a1073cbe9381d105e35207e9627cb319", kill_on_drop: false }`
[INFO] [stdout] fadf0c1477ce0ff4b50741b4446dd9e5a1073cbe9381d105e35207e9627cb319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f8539b8bcc13bc9e98acbefa9b6613d82534dedb061b21eebc0c157f50bfd723
[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" "f8539b8bcc13bc9e98acbefa9b6613d82534dedb061b21eebc0c157f50bfd723", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_channel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "f8539b8bcc13bc9e98acbefa9b6613d82534dedb061b21eebc0c157f50bfd723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8539b8bcc13bc9e98acbefa9b6613d82534dedb061b21eebc0c157f50bfd723", kill_on_drop: false }`
[INFO] [stdout] f8539b8bcc13bc9e98acbefa9b6613d82534dedb061b21eebc0c157f50bfd723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1bd6ac105c2f41ff1cf2c432e2d700d64209e9c235f4134ba0d1d07418e397b2
[INFO] running `Command { std: "docker" "start" "-a" "1bd6ac105c2f41ff1cf2c432e2d700d64209e9c235f4134ba0d1d07418e397b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shared_channel-eaaff33e836539a6
[INFO] [stdout] running 30 tests
[INFO] [stdout] test sync_tests::chan_gone_concurrent ... ok
[INFO] [stdout] test sync_tests::smoke_sync1 ... ok
[INFO] [stdout] test sync_tests::smoke_chan_gone ... ok
[INFO] [stdout] test sync_tests::smoke_multi_receiver ... ok
[INFO] [stdout] test sync_tests::smoke_port_gone ... ok
[INFO] [stdout] test sync_tests::smoke_sync0 ... ok
[INFO] [stdout] test sync_tests::block_timing ... ok
[INFO] [stdout] test sync_tests::smoke_threads ... ok
[INFO] [stdout] test tests::smoke ... ok
[INFO] [stdout] test tests::smoke_chan_gone ... ok
[INFO] [stdout] test sync_tests::smoke ... ok
[INFO] [stdout] test tests::smoke_multi_receiver ... ok
[INFO] [stdout] test tests::smoke_try_recv ... ok
[INFO] [stdout] test sync_tests::smoke_threads2 ... ok
[INFO] [stdout] test sync_tests::port_gone_concurrent ... ok
[INFO] [stdout] test tests::smoke_port_gone ... ok
[INFO] [stdout] test tests::smoke_threads ... ok
[INFO] [stdout] test tests::port_gone_concurrent ... ok
[INFO] [stdout] test tests::smoke_multi_sender ... ok
[INFO] [stdout] test sync_tests::smoke_try_recv ... ok
[INFO] [stdout] test tests::chan_gone_concurrent ... ok
[INFO] [stdout] test tests::stress_multi ... ok
[INFO] [stdout] test tests::smoke_threads2 ... ok
[INFO] [stdout] test tests::stress ... ok
[INFO] [stdout] test tests::stress_multi_sender ... ok
[INFO] [stdout] test sync_tests::stress ... ok
[INFO] [stdout] test tests::stress_multi_receiver ... ok
[INFO] [stdout] test sync_tests::stress_multi_receiver ... ok
[INFO] [stdout] test sync_tests::stress_multi ... ok
[INFO] [stderr]    Doc-tests shared_channel
[INFO] [stdout] test sync_tests::stress_multi_sender ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 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 27) ... 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" "1bd6ac105c2f41ff1cf2c432e2d700d64209e9c235f4134ba0d1d07418e397b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd6ac105c2f41ff1cf2c432e2d700d64209e9c235f4134ba0d1d07418e397b2", kill_on_drop: false }`
[INFO] [stdout] 1bd6ac105c2f41ff1cf2c432e2d700d64209e9c235f4134ba0d1d07418e397b2