[INFO] crate single_value_channel 1.2.1 is already in cache
[INFO] testing single_value_channel-1.2.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate single_value_channel 1.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate single_value_channel 1.2.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate single_value_channel 1.2.1
[INFO] finished tweaking crates.io crate single_value_channel 1.2.1
[INFO] tweaked toml for crates.io crate single_value_channel 1.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f77d9f30568fc64dd9917bc3bab2568d9680011a347ecb87e1d462c8a68f8c53
[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" "f77d9f30568fc64dd9917bc3bab2568d9680011a347ecb87e1d462c8a68f8c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f77d9f30568fc64dd9917bc3bab2568d9680011a347ecb87e1d462c8a68f8c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77d9f30568fc64dd9917bc3bab2568d9680011a347ecb87e1d462c8a68f8c53", kill_on_drop: false }`
[INFO] [stdout] f77d9f30568fc64dd9917bc3bab2568d9680011a347ecb87e1d462c8a68f8c53
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0df37018a11fe76174f7eef887679991e14dd7422c535f68812945f4afe343e
[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" "c0df37018a11fe76174f7eef887679991e14dd7422c535f68812945f4afe343e", kill_on_drop: false }`
[INFO] [stderr]    Compiling single_value_channel v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "c0df37018a11fe76174f7eef887679991e14dd7422c535f68812945f4afe343e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0df37018a11fe76174f7eef887679991e14dd7422c535f68812945f4afe343e", kill_on_drop: false }`
[INFO] [stdout] c0df37018a11fe76174f7eef887679991e14dd7422c535f68812945f4afe343e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", 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] 20c96cbb03f699027428d5bdbc1f936f7dc23c0ae3257f136ce6daf2bb495a70
[INFO] running `Command { std: "docker" "start" "-a" "20c96cbb03f699027428d5bdbc1f936f7dc23c0ae3257f136ce6daf2bb495a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling single_value_channel v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "20c96cbb03f699027428d5bdbc1f936f7dc23c0ae3257f136ce6daf2bb495a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c96cbb03f699027428d5bdbc1f936f7dc23c0ae3257f136ce6daf2bb495a70", kill_on_drop: false }`
[INFO] [stdout] 20c96cbb03f699027428d5bdbc1f936f7dc23c0ae3257f136ce6daf2bb495a70
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c457fed7a0db199667e7774a1176eaf1c56ef64b3c51e2a747a74355984a1e17
[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" "c457fed7a0db199667e7774a1176eaf1c56ef64b3c51e2a747a74355984a1e17", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/single_value_channel-7167b6be0f3145f4
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::latest_mut ... ok
[INFO] [stdout] test test::error_writing_to_dead_reader ... ok
[INFO] [stdout] test test::multiple_updaters ... ok
[INFO] [stdout] test test::no_args_channel ... 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::non_blocking_write_during_read ... 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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c457fed7a0db199667e7774a1176eaf1c56ef64b3c51e2a747a74355984a1e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c457fed7a0db199667e7774a1176eaf1c56ef64b3c51e2a747a74355984a1e17", kill_on_drop: false }`
[INFO] [stdout] c457fed7a0db199667e7774a1176eaf1c56ef64b3c51e2a747a74355984a1e17