[INFO] fetching crate swap_channel 0.3.0...
[INFO] testing swap_channel-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate swap_channel 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate swap_channel 0.3.0
[INFO] finished tweaking crates.io crate swap_channel 0.3.0
[INFO] tweaked toml for crates.io crate swap_channel 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate swap_channel 0.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bc9ec99ac7d4275cdd1bddf23c6aeaa20ba7f380071cc9eafddd0ac2b2f386f
[INFO] running `Command { std: "docker" "start" "-a" "5bc9ec99ac7d4275cdd1bddf23c6aeaa20ba7f380071cc9eafddd0ac2b2f386f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bc9ec99ac7d4275cdd1bddf23c6aeaa20ba7f380071cc9eafddd0ac2b2f386f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc9ec99ac7d4275cdd1bddf23c6aeaa20ba7f380071cc9eafddd0ac2b2f386f", kill_on_drop: false }`
[INFO] [stdout] 5bc9ec99ac7d4275cdd1bddf23c6aeaa20ba7f380071cc9eafddd0ac2b2f386f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 992a6df32e68e144548e0c7966b81f4b16874ce1ea544758aa40ae6e60ec8132
[INFO] running `Command { std: "docker" "start" "-a" "992a6df32e68e144548e0c7966b81f4b16874ce1ea544758aa40ae6e60ec8132", kill_on_drop: false }`
[INFO] [stderr]    Compiling swap_channel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "992a6df32e68e144548e0c7966b81f4b16874ce1ea544758aa40ae6e60ec8132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992a6df32e68e144548e0c7966b81f4b16874ce1ea544758aa40ae6e60ec8132", kill_on_drop: false }`
[INFO] [stdout] 992a6df32e68e144548e0c7966b81f4b16874ce1ea544758aa40ae6e60ec8132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a1312b120745595aa2d6c02450582889004d2aa472f5c4455353635a2496dc1
[INFO] running `Command { std: "docker" "start" "-a" "3a1312b120745595aa2d6c02450582889004d2aa472f5c4455353635a2496dc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling swap_channel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "3a1312b120745595aa2d6c02450582889004d2aa472f5c4455353635a2496dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1312b120745595aa2d6c02450582889004d2aa472f5c4455353635a2496dc1", kill_on_drop: false }`
[INFO] [stdout] 3a1312b120745595aa2d6c02450582889004d2aa472f5c4455353635a2496dc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49235ee3192b29c3db01e47cc3c53fa8bbb3592971d7704c492c6adee758aa25
[INFO] running `Command { std: "docker" "start" "-a" "49235ee3192b29c3db01e47cc3c53fa8bbb3592971d7704c492c6adee758aa25", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/swap_channel-e753a3220c3300b6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test undirected::tests::ensure_channel_is_object_safe ... ok
[INFO] [stdout] test undirected::tests::test ... ok
[INFO] [stdout] test directed::tests::ensure_channel_is_object_safe ... ok
[INFO] [stdout] test directed::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests swap_channel
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49235ee3192b29c3db01e47cc3c53fa8bbb3592971d7704c492c6adee758aa25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49235ee3192b29c3db01e47cc3c53fa8bbb3592971d7704c492c6adee758aa25", kill_on_drop: false }`
[INFO] [stdout] 49235ee3192b29c3db01e47cc3c53fa8bbb3592971d7704c492c6adee758aa25