[INFO] fetching crate nbchan 0.1.3...
[INFO] testing nbchan-0.1.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate nbchan 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nbchan 0.1.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nbchan 0.1.3
[INFO] finished tweaking crates.io crate nbchan 0.1.3
[INFO] tweaked toml for crates.io crate nbchan 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", 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] 09b8eb6c236347c56360490b80d0d21036ebc0b16851bd1655ea1c3629cfe72b
[INFO] running `Command { std: "docker" "start" "-a" "09b8eb6c236347c56360490b80d0d21036ebc0b16851bd1655ea1c3629cfe72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09b8eb6c236347c56360490b80d0d21036ebc0b16851bd1655ea1c3629cfe72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b8eb6c236347c56360490b80d0d21036ebc0b16851bd1655ea1c3629cfe72b", kill_on_drop: false }`
[INFO] [stdout] 09b8eb6c236347c56360490b80d0d21036ebc0b16851bd1655ea1c3629cfe72b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39bc90e2126beec50d7a80978a063b4845ebcb8f0d2431a8a05ac48548b47234
[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" "39bc90e2126beec50d7a80978a063b4845ebcb8f0d2431a8a05ac48548b47234", kill_on_drop: false }`
[INFO] [stderr]    Compiling nbchan v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/queue.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |             if self.tail.compare_and_swap(old, new_tail, Ordering::SeqCst) == old {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "39bc90e2126beec50d7a80978a063b4845ebcb8f0d2431a8a05ac48548b47234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bc90e2126beec50d7a80978a063b4845ebcb8f0d2431a8a05ac48548b47234", kill_on_drop: false }`
[INFO] [stdout] 39bc90e2126beec50d7a80978a063b4845ebcb8f0d2431a8a05ac48548b47234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] db19c26d65859471ec8c49eb93fb3257f07dec56d100cb01d25c37079e6bac60
[INFO] running `Command { std: "docker" "start" "-a" "db19c26d65859471ec8c49eb93fb3257f07dec56d100cb01d25c37079e6bac60", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/queue.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |             if self.tail.compare_and_swap(old, new_tail, Ordering::SeqCst) == old {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nbchan v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/queue.rs:52:26
[INFO] [stdout]    |
[INFO] [stdout] 52 |             if self.tail.compare_and_swap(old, new_tail, Ordering::SeqCst) == old {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "db19c26d65859471ec8c49eb93fb3257f07dec56d100cb01d25c37079e6bac60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db19c26d65859471ec8c49eb93fb3257f07dec56d100cb01d25c37079e6bac60", kill_on_drop: false }`
[INFO] [stdout] db19c26d65859471ec8c49eb93fb3257f07dec56d100cb01d25c37079e6bac60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 999d7cfbf46f32be1fc5bd1bece1997862be3ddf7447de7713f6b6d0b718a7c2
[INFO] running `Command { std: "docker" "start" "-a" "999d7cfbf46f32be1fc5bd1bece1997862be3ddf7447de7713f6b6d0b718a7c2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout] running 12 tests
[INFO] [stderr]   --> src/queue.rs:52:26
[INFO] [stdout] test oneshot::test::send_and_recv_succeeds ... ok
[INFO] [stderr]    |
[INFO] [stderr] 52 |             if self.tail.compare_and_swap(old, new_tail, Ordering::SeqCst) == old {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nbchan` (lib) generated 1 warning
[INFO] [stderr] warning: `nbchan` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nbchan-c45e342895b931f3)
[INFO] [stdout] test queue::test::producer_dropped_works ... ok
[INFO] [stdout] test queue::test::single_producer_works ... ok
[INFO] [stdout] test queue::test::single_enqueuing_works ... ok
[INFO] [stdout] test queue::test::consumer_dropped_works ... ok
[INFO] [stdout] test mpsc::test::async_channel_works ... ok
[INFO] [stdout] test mpsc::test::sync_channel_works ... ok
[INFO] [stdout] test oneshot::test::send_succeeds ... ok
[INFO] [stdout] test oneshot::test::send_fails ... ok
[INFO] [stdout] test oneshot::test::unused ... ok
[INFO] [stdout] test oneshot::test::recv_fails ... ok
[INFO] [stdout] test queue::test::multiple_producer_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nbchan
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/oneshot.rs - oneshot::channel (line 41) ... ok
[INFO] [stdout] test src/oneshot.rs - oneshot::Sender<T>::send (line 82) ... ok
[INFO] [stdout] test src/oneshot.rs - oneshot (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "999d7cfbf46f32be1fc5bd1bece1997862be3ddf7447de7713f6b6d0b718a7c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999d7cfbf46f32be1fc5bd1bece1997862be3ddf7447de7713f6b6d0b718a7c2", kill_on_drop: false }`
[INFO] [stdout] 999d7cfbf46f32be1fc5bd1bece1997862be3ddf7447de7713f6b6d0b718a7c2