[INFO] fetching crate single_value_channel 1.2.1...
[INFO] testing single_value_channel-1.2.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate single_value_channel 1.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate single_value_channel 1.2.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faf944d25f2707382bdc3765d154761ec56c3e6215ee962954e7bb820909b2e6
[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" "faf944d25f2707382bdc3765d154761ec56c3e6215ee962954e7bb820909b2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faf944d25f2707382bdc3765d154761ec56c3e6215ee962954e7bb820909b2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf944d25f2707382bdc3765d154761ec56c3e6215ee962954e7bb820909b2e6", kill_on_drop: false }`
[INFO] [stdout] faf944d25f2707382bdc3765d154761ec56c3e6215ee962954e7bb820909b2e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b0936b7a6f686f10ac68bf459f04026cfc77acd6071584bd4fe9e2a9d726318
[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" "9b0936b7a6f686f10ac68bf459f04026cfc77acd6071584bd4fe9e2a9d726318", 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 0.28s
[INFO] running `Command { std: "docker" "inspect" "9b0936b7a6f686f10ac68bf459f04026cfc77acd6071584bd4fe9e2a9d726318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0936b7a6f686f10ac68bf459f04026cfc77acd6071584bd4fe9e2a9d726318", kill_on_drop: false }`
[INFO] [stdout] 9b0936b7a6f686f10ac68bf459f04026cfc77acd6071584bd4fe9e2a9d726318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5f8c05b969a8d7f9bda97c94592bab7351cf8ddbd92a1258f30ab8f9bbcb7a4
[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" "b5f8c05b969a8d7f9bda97c94592bab7351cf8ddbd92a1258f30ab8f9bbcb7a4", 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 1.16s
[INFO] running `Command { std: "docker" "inspect" "b5f8c05b969a8d7f9bda97c94592bab7351cf8ddbd92a1258f30ab8f9bbcb7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f8c05b969a8d7f9bda97c94592bab7351cf8ddbd92a1258f30ab8f9bbcb7a4", kill_on_drop: false }`
[INFO] [stdout] b5f8c05b969a8d7f9bda97c94592bab7351cf8ddbd92a1258f30ab8f9bbcb7a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] fda57b83702ab5f0d505d04b8638b735e00160eb667bc4b52e1823890a8ab204
[INFO] running `Command { std: "docker" "start" "-a" "fda57b83702ab5f0d505d04b8638b735e00160eb667bc4b52e1823890a8ab204", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/single_value_channel-fe9fc117af72156c
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::multiple_updaters ... ok
[INFO] [stdout] test test::updater_has_no_receiver ... ok
[INFO] [stdout] test test::no_args_channel ... ok
[INFO] [stdout] test test::non_blocking_write_during_read ... ok
[INFO] [stdout] test test::send_recv_value ... ok
[INFO] [stdout] test test::unwrap_non_debug ... ok
[INFO] [stdout] test test::send_recv_option ... ok
[INFO] [stdout] test test::receiver_has_no_updater ... ok
[INFO] [stdout] test test::concurrent_send_recv ... ok
[INFO] [stdout] test test::latest_mut ... ok
[INFO] [stdout] test test::error_writing_to_dead_reader ... 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" "fda57b83702ab5f0d505d04b8638b735e00160eb667bc4b52e1823890a8ab204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda57b83702ab5f0d505d04b8638b735e00160eb667bc4b52e1823890a8ab204", kill_on_drop: false }`
[INFO] [stdout] fda57b83702ab5f0d505d04b8638b735e00160eb667bc4b52e1823890a8ab204