[INFO] fetching crate crossfire 0.1.4...
[INFO] testing crossfire-0.1.4 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate crossfire 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate crossfire 0.1.4 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crossfire 0.1.4
[INFO] finished tweaking crates.io crate crossfire 0.1.4
[INFO] tweaked toml for crates.io crate crossfire 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da526127deae59c5d936a1160e3db2a5a8b8b600af9c9975436b621ed1336c4d
[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" "da526127deae59c5d936a1160e3db2a5a8b8b600af9c9975436b621ed1336c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da526127deae59c5d936a1160e3db2a5a8b8b600af9c9975436b621ed1336c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da526127deae59c5d936a1160e3db2a5a8b8b600af9c9975436b621ed1336c4d", kill_on_drop: false }`
[INFO] [stdout] da526127deae59c5d936a1160e3db2a5a8b8b600af9c9975436b621ed1336c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--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] a826a9a7a0388082d846fcf87030ad314de89482a93c28dc267f1856b01ff2c7
[INFO] running `Command { std: "docker" "start" "-a" "a826a9a7a0388082d846fcf87030ad314de89482a93c28dc267f1856b01ff2c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling crossfire v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.87s
[INFO] running `Command { std: "docker" "inspect" "a826a9a7a0388082d846fcf87030ad314de89482a93c28dc267f1856b01ff2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a826a9a7a0388082d846fcf87030ad314de89482a93c28dc267f1856b01ff2c7", kill_on_drop: false }`
[INFO] [stdout] a826a9a7a0388082d846fcf87030ad314de89482a93c28dc267f1856b01ff2c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab30a0fdd4b6b87974694fcd8064ef61f26ed28cb7931d61585018d3b5ad3850
[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" "ab30a0fdd4b6b87974694fcd8064ef61f26ed28cb7931d61585018d3b5ad3850", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling crossfire v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tx_wakers`
[INFO] [stdout]    --> src/mpmc/unbounded.rs:278:34
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...                   let (tx_wakers, rx_wakers) = rx_f.get_waker_length();
[INFO] [stdout]     |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_wakers`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx_wakers`
[INFO] [stdout]    --> src/mpmc/unbounded.rs:278:45
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...                   let (tx_wakers, rx_wakers) = rx_f.get_waker_length();
[INFO] [stdout]     |                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_wakers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.93s
[INFO] running `Command { std: "docker" "inspect" "ab30a0fdd4b6b87974694fcd8064ef61f26ed28cb7931d61585018d3b5ad3850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab30a0fdd4b6b87974694fcd8064ef61f26ed28cb7931d61585018d3b5ad3850", kill_on_drop: false }`
[INFO] [stdout] ab30a0fdd4b6b87974694fcd8064ef61f26ed28cb7931d61585018d3b5ad3850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c5ae5c570f25c0a8d5f93155ffeed9f4527cf4ad60ebfce4b1704d61dbada3d
[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" "6c5ae5c570f25c0a8d5f93155ffeed9f4527cf4ad60ebfce4b1704d61dbada3d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `tx_wakers`
[INFO] [stderr]    --> src/mpmc/unbounded.rs:278:34
[INFO] [stderr]     |
[INFO] [stderr] 278 | ...                   let (tx_wakers, rx_wakers) = rx_f.get_waker_length();
[INFO] [stderr]     |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_wakers`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rx_wakers`
[INFO] [stderr]    --> src/mpmc/unbounded.rs:278:45
[INFO] [stderr]     |
[INFO] [stderr] 278 | ...                   let (tx_wakers, rx_wakers) = rx_f.get_waker_length();
[INFO] [stderr]     |                                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx_wakers`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crossfire-ee2b808c0ca748f2
[INFO] [stdout] 
[INFO] [stdout] running 58 tests
[INFO] [stdout] test channel::locked_waker::test_waker ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_mpmc_sender_close ... ok
[INFO] [stdout] test channel::stream::tests::test_into_stream ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_tx_blocking_rx_future_2_thread_multi_4tx_3rx ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_timeout_future_both ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_future_both_1_thread_single ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_tx_blocking_rx_future_1_thread_single ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_tx_blocking_rx_future_1_thread_multi_4tx_2rx ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_tx_blocking_rx_future_8_thread_multi_4tx_4rx ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_future_both_8_thread_multi_4tx_4rx ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_future_both_2_thread_multi_4tx_2rx ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_tx_future_rx_blocking_8_thread_multi_4tx_4rx ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_tx_future_rx_blocking_1_thread_single ... ok
[INFO] [stdout] test mpmc::unbounded::tests::test_tx_blocking_rx_future_1_thread_multi_4tx ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_tx_future_rx_blocking_2_thread_multi_4tx_3rx ... ok
[INFO] [stdout] test channel::select::tests::test_select_same_mpmc ... ok
[INFO] [stdout] test channel::select::tests::test_select_same_mpsc ... ok
[INFO] [stdout] test mpmc::unbounded::tests::test_tx_blocking_rx_future_2_thread_multi_4tx ... ok
[INFO] [stdout] test mpmc::unbounded::tests::bench_crossbeam_channel_performance ... ok
[INFO] [stdout] test mpmc::bounded::tests::bench_crossbeam_channel_performance ... ok
[INFO] [stdout] test mpmc::unbounded::tests::bench_std_channel_performance ... ok
[INFO] [stdout] test mpmc::unbounded::tests::test_tx_blocking_rx_future_8_thread_multi_4tx ... ok
[INFO] [stdout] test mpmc::unbounded::tests::bench_tx_blocking_rx_future_performance ... ok
[INFO] [stdout] test mpmc::unbounded::tests::test_tx_unbounded_idle_select ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_future_both_1_thread_multi_4tx_2rx ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_future_both_1_thread_single ... ok
[INFO] [stdout] test mpmc::bounded::tests::bench_tx_future_rx_blocking_performance ... ok
[INFO] [stdout] test mpsc::bounded::tests::bench_crossbeam_channel_performance ... ok
[INFO] [stdout] test mpmc::bounded::tests::bench_future_both_performance ... ok
[INFO] [stdout] test mpmc::bounded::tests::bench_tx_blocking_rx_future_performance ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_tx_blocking_rx_future_1_thread_single ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_tx_blocking_rx_future_background ... ok
[INFO] [stdout] test mpsc::bounded::tests::bench_std_sync_channel_performance ... ok
[INFO] [stdout] test mpmc::unbounded::tests::bench_tokio_mpsc_performance ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_tx_blocking_rx_future_1_thread_multi_4tx ... ok
[INFO] [stdout] test mpmc::bounded::tests::test_tx_future_rx_blocking_1_thread_multi_4tx_2rx ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_tx_blocking_rx_future_8_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_tx_future_rx_blocking_1_thread_single ... ok
[INFO] [stdout] test mpsc::bounded::tests::bench_future_both_performance ... ok
[INFO] [stdout] test mpsc::unbounded::tests::bench_crossbeam_channel_performance ... ok
[INFO] [stdout] test mpsc::bounded::tests::bench_tx_blocking_rx_future_performance ... ok
[INFO] [stdout] test mpsc::bounded::tests::bench_tx_future_rx_blocking_performance ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_tx_blocking_rx_future_2_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::unbounded::tests::test_tx_blocking_rx_future_2_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_future_both_2_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_future_both_8_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::unbounded::tests::test_tx_blocking_rx_future_1_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::unbounded::tests::test_tx_blocking_rx_future_8_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::unbounded::tests::bench_tx_blocking_rx_future_performance ... ok
[INFO] [stdout] test mpmc::bounded::tests::bench_tokio_mpsc_performance ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_future_both_1_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_tx_future_rx_blocking_2_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_tx_future_rx_blocking_1_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::unbounded::tests::bench_std_channel_performance ... ok
[INFO] [stdout] test mpsc::bounded::tests::bench_tokio_mpsc_performance ... ok
[INFO] [stdout] test mpsc::bounded::tests::test_tx_future_rx_blocking_8_thread_multi_4tx ... ok
[INFO] [stdout] test mpsc::unbounded::tests::bench_tokio_mpsc_performance ... ok
[INFO] [stdout] test mpmc::bounded::tests::bench_std_sync_channel_performance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 58 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crossfire
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/channel/select.rs - channel::select::SelectSame (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c5ae5c570f25c0a8d5f93155ffeed9f4527cf4ad60ebfce4b1704d61dbada3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5ae5c570f25c0a8d5f93155ffeed9f4527cf4ad60ebfce4b1704d61dbada3d", kill_on_drop: false }`
[INFO] [stdout] 6c5ae5c570f25c0a8d5f93155ffeed9f4527cf4ad60ebfce4b1704d61dbada3d