[INFO] fetching crate single_value_channel 1.2.2...
[INFO] testing single_value_channel-1.2.2 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate single_value_channel 1.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate single_value_channel 1.2.2 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate single_value_channel 1.2.2
[INFO] finished tweaking crates.io crate single_value_channel 1.2.2
[INFO] tweaked toml for crates.io crate single_value_channel 1.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0fb350a2bb2e1ff2c17546589736c2054ebbd1e376e3640e24a53852aa5762e
[INFO] running `Command { std: "docker" "start" "-a" "e0fb350a2bb2e1ff2c17546589736c2054ebbd1e376e3640e24a53852aa5762e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0fb350a2bb2e1ff2c17546589736c2054ebbd1e376e3640e24a53852aa5762e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0fb350a2bb2e1ff2c17546589736c2054ebbd1e376e3640e24a53852aa5762e", kill_on_drop: false }`
[INFO] [stdout] e0fb350a2bb2e1ff2c17546589736c2054ebbd1e376e3640e24a53852aa5762e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 879985fa67aba8406657ac0451c08ee52e483a47e1aa0011e1d3223261b4a5fe
[INFO] running `Command { std: "docker" "start" "-a" "879985fa67aba8406657ac0451c08ee52e483a47e1aa0011e1d3223261b4a5fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling single_value_channel v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "879985fa67aba8406657ac0451c08ee52e483a47e1aa0011e1d3223261b4a5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879985fa67aba8406657ac0451c08ee52e483a47e1aa0011e1d3223261b4a5fe", kill_on_drop: false }`
[INFO] [stdout] 879985fa67aba8406657ac0451c08ee52e483a47e1aa0011e1d3223261b4a5fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd0cac603bef2ba90938d81cfc801160b6b7063f7934f36c2279c60d08c492db
[INFO] running `Command { std: "docker" "start" "-a" "fd0cac603bef2ba90938d81cfc801160b6b7063f7934f36c2279c60d08c492db", kill_on_drop: false }`
[INFO] [stderr]    Compiling single_value_channel v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "fd0cac603bef2ba90938d81cfc801160b6b7063f7934f36c2279c60d08c492db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0cac603bef2ba90938d81cfc801160b6b7063f7934f36c2279c60d08c492db", kill_on_drop: false }`
[INFO] [stdout] fd0cac603bef2ba90938d81cfc801160b6b7063f7934f36c2279c60d08c492db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82229e3c7ad67396f5a85cd07e26e3cb1288540a9a53b3203514d4c2602ce774
[INFO] running `Command { std: "docker" "start" "-a" "82229e3c7ad67396f5a85cd07e26e3cb1288540a9a53b3203514d4c2602ce774", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/single_value_channel-6228e0549a9742b9)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::error_writing_to_dead_reader ... ok
[INFO] [stdout] test test::latest_mut ... ok
[INFO] [stdout] test test::no_args_channel ... ok
[INFO] [stdout] test test::multiple_updaters ... ok
[INFO] [stdout] test test::non_blocking_write_during_read ... ok
[INFO] [stdout] test test::receiver_has_no_updater ... ok
[INFO] [stdout] test test::send_recv_option ... ok
[INFO] [stdout] test test::send_recv_value ... ok
[INFO] [stdout] test test::unwrap_non_debug ... ok
[INFO] [stdout] test test::updater_has_no_receiver ... ok
[INFO] [stdout] test test::concurrent_send_recv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests single_value_channel
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "82229e3c7ad67396f5a85cd07e26e3cb1288540a9a53b3203514d4c2602ce774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82229e3c7ad67396f5a85cd07e26e3cb1288540a9a53b3203514d4c2602ce774", kill_on_drop: false }`
[INFO] [stdout] 82229e3c7ad67396f5a85cd07e26e3cb1288540a9a53b3203514d4c2602ce774