[INFO] fetching crate shared_channel 0.2.0...
[INFO] testing shared_channel-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate shared_channel 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate shared_channel 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd3a0a3ae2e492a2a017931265ccfd7c049adacb2f9f39e9160cbf9003794145
[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" "fd3a0a3ae2e492a2a017931265ccfd7c049adacb2f9f39e9160cbf9003794145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd3a0a3ae2e492a2a017931265ccfd7c049adacb2f9f39e9160cbf9003794145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3a0a3ae2e492a2a017931265ccfd7c049adacb2f9f39e9160cbf9003794145", kill_on_drop: false }`
[INFO] [stdout] fd3a0a3ae2e492a2a017931265ccfd7c049adacb2f9f39e9160cbf9003794145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb94500bc789ad58d57ce3fff47716bf6d554531589109130ce26fbcd8bda630
[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" "bb94500bc789ad58d57ce3fff47716bf6d554531589109130ce26fbcd8bda630", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_channel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "bb94500bc789ad58d57ce3fff47716bf6d554531589109130ce26fbcd8bda630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb94500bc789ad58d57ce3fff47716bf6d554531589109130ce26fbcd8bda630", kill_on_drop: false }`
[INFO] [stdout] bb94500bc789ad58d57ce3fff47716bf6d554531589109130ce26fbcd8bda630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95a7f26127277356c39dea3ee3b0b504ba16305e23d78a6859acd2e107094866
[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" "95a7f26127277356c39dea3ee3b0b504ba16305e23d78a6859acd2e107094866", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_channel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "95a7f26127277356c39dea3ee3b0b504ba16305e23d78a6859acd2e107094866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a7f26127277356c39dea3ee3b0b504ba16305e23d78a6859acd2e107094866", kill_on_drop: false }`
[INFO] [stdout] 95a7f26127277356c39dea3ee3b0b504ba16305e23d78a6859acd2e107094866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "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] 75b0645e45d859b2ed32167030270fec4a5ad6fa8d23d406f9a881534ce3aa92
[INFO] running `Command { std: "docker" "start" "-a" "75b0645e45d859b2ed32167030270fec4a5ad6fa8d23d406f9a881534ce3aa92", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shared_channel-c1774281452d60e9
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test sync_tests::block_timing ... ok
[INFO] [stdout] test sync_tests::smoke_sync1 ... ok
[INFO] [stdout] test sync_tests::smoke_sync0 ... ok
[INFO] [stdout] test sync_tests::smoke_port_gone ... ok
[INFO] [stdout] test sync_tests::smoke_multi_receiver ... ok
[INFO] [stdout] test sync_tests::smoke_threads ... ok
[INFO] [stdout] test sync_tests::smoke_threads2 ... ok
[INFO] [stdout] test sync_tests::smoke ... ok
[INFO] [stdout] test sync_tests::chan_gone_concurrent ... ok
[INFO] [stdout] test sync_tests::port_gone_concurrent ... ok
[INFO] [stdout] test tests::smoke ... ok
[INFO] [stdout] test tests::smoke_multi_receiver ... ok
[INFO] [stdout] test sync_tests::smoke_chan_gone ... ok
[INFO] [stdout] test tests::smoke_chan_gone ... ok
[INFO] [stdout] test tests::smoke_port_gone ... ok
[INFO] [stdout] test tests::chan_gone_concurrent ... ok
[INFO] [stdout] test tests::port_gone_concurrent ... ok
[INFO] [stdout] test tests::smoke_threads ... ok
[INFO] [stdout] test tests::smoke_threads2 ... ok
[INFO] [stdout] test tests::smoke_try_recv ... ok
[INFO] [stdout] test tests::stress ... ok
[INFO] [stdout] test tests::smoke_multi_sender ... ok
[INFO] [stdout] test sync_tests::smoke_try_recv ... ok
[INFO] [stdout] test tests::stress_multi ... ok
[INFO] [stdout] test tests::stress_multi_receiver ... ok
[INFO] [stdout] test tests::stress_multi_sender ... ok
[INFO] [stdout] test sync_tests::stress ... ok
[INFO] [stdout] test sync_tests::stress_multi ... ok
[INFO] [stdout] test sync_tests::stress_multi_receiver ... ok
[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; finished in 3.25s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared_channel
[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; finished in 1.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75b0645e45d859b2ed32167030270fec4a5ad6fa8d23d406f9a881534ce3aa92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b0645e45d859b2ed32167030270fec4a5ad6fa8d23d406f9a881534ce3aa92", kill_on_drop: false }`
[INFO] [stdout] 75b0645e45d859b2ed32167030270fec4a5ad6fa8d23d406f9a881534ce3aa92