[INFO] fetching crate async-channel 1.5.1...
[INFO] testing async-channel-1.5.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate async-channel 1.5.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async-channel 1.5.1 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 async-channel 1.5.1
[INFO] finished tweaking crates.io crate async-channel 1.5.1
[INFO] tweaked toml for crates.io crate async-channel 1.5.1 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e6704cacd1f7b18930e7702691a22dba7660cf4e4e7a494846eae953a3d4a063
[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" "e6704cacd1f7b18930e7702691a22dba7660cf4e4e7a494846eae953a3d4a063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6704cacd1f7b18930e7702691a22dba7660cf4e4e7a494846eae953a3d4a063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6704cacd1f7b18930e7702691a22dba7660cf4e4e7a494846eae953a3d4a063", kill_on_drop: false }`
[INFO] [stdout] e6704cacd1f7b18930e7702691a22dba7660cf4e4e7a494846eae953a3d4a063
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 1bbae83b44f6bbb6e9979140d59f25dec1b472bfb2a17bfc6ccb7277645a095b
[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" "1bbae83b44f6bbb6e9979140d59f25dec1b472bfb2a17bfc6ccb7277645a095b", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-channel v1.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "1bbae83b44f6bbb6e9979140d59f25dec1b472bfb2a17bfc6ccb7277645a095b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbae83b44f6bbb6e9979140d59f25dec1b472bfb2a17bfc6ccb7277645a095b", kill_on_drop: false }`
[INFO] [stdout] 1bbae83b44f6bbb6e9979140d59f25dec1b472bfb2a17bfc6ccb7277645a095b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 597ff06470dd5987cf51a38762ca03fada29543a8101fce3a1729f4f84a898e3
[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" "597ff06470dd5987cf51a38762ca03fada29543a8101fce3a1729f4f84a898e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling easy-parallel v3.1.0
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling blocking v0.6.1
[INFO] [stderr]    Compiling async-channel v1.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "597ff06470dd5987cf51a38762ca03fada29543a8101fce3a1729f4f84a898e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "597ff06470dd5987cf51a38762ca03fada29543a8101fce3a1729f4f84a898e3", kill_on_drop: false }`
[INFO] [stdout] 597ff06470dd5987cf51a38762ca03fada29543a8101fce3a1729f4f84a898e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 41d5674540c3d50c150c6d490cccb21254821a996c6a0cad85ee96f71097d314
[INFO] running `Command { std: "docker" "start" "-a" "41d5674540c3d50c150c6d490cccb21254821a996c6a0cad85ee96f71097d314", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_channel-e324a01be3336eb4
[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/bounded-b42416f7b20ee92c
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test len_empty_full ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test receiver_count ... ok
[INFO] [stdout] test recv_after_close ... ok
[INFO] [stdout] test send_after_close ... ok
[INFO] [stdout] test sender_count ... ok
[INFO] [stdout] test len ... ok
[INFO] [stdout] test mpmc ... ok
[INFO] [stdout] test spsc ... ok
[INFO] [stdout] test mpmc_stream ... ok
[INFO] [stdout] test close_wakes_sender ... ok
[INFO] [stdout] test close_wakes_receiver ... ok
[INFO] [stdout] test try_recv ... ok
[INFO] [stdout] test try_send ... ok
[INFO] [stdout] test recv ... ok
[INFO] [stdout] test send ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unbounded-8545d559c41df29b
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test receiver_count ... ok
[INFO] [stdout] test recv_after_close ... ok
[INFO] [stdout] test sender_count ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test len_empty_full ... ok
[INFO] [stdout] test len ... ok
[INFO] [stdout] test try_send ... ok
[INFO] [stdout] test send ... ok
[INFO] [stdout] test send_after_close ... ok
[INFO] [stdout] test mpmc_stream ... ok
[INFO] [stdout] test mpmc ... ok
[INFO] [stdout] test spsc ... ok
[INFO] [stdout] test close_wakes_receiver ... ok
[INFO] [stdout] test try_recv ... ok
[INFO] [stderr]    Doc-tests async-channel
[INFO] [stdout] test recv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - Receiver<T>::sender_count (line 706) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::len (line 650) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::close (line 571) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::receiver_count (line 687) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::capacity (line 670) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::is_full (line 631) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::is_empty (line 610) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::capacity (line 374) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::is_closed (line 591) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::is_closed (line 295) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::recv (line 516) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::is_full (line 335) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::close (line 275) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::is_empty (line 314) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::try_recv (line 479) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::receiver_count (line 391) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::sender_count (line 410) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::len (line 354) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::try_send (line 186) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::send (line 223) ... ok
[INFO] [stdout] test src/lib.rs - unbounded (line 135) ... ok
[INFO] [stdout] test src/lib.rs - bounded (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41d5674540c3d50c150c6d490cccb21254821a996c6a0cad85ee96f71097d314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41d5674540c3d50c150c6d490cccb21254821a996c6a0cad85ee96f71097d314", kill_on_drop: false }`
[INFO] [stdout] 41d5674540c3d50c150c6d490cccb21254821a996c6a0cad85ee96f71097d314