[INFO] fetching crate ring_buffer 2.0.2...
[INFO] testing ring_buffer-2.0.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ring_buffer 2.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ring_buffer 2.0.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ring_buffer 2.0.2
[INFO] finished tweaking crates.io crate ring_buffer 2.0.2
[INFO] tweaked toml for crates.io crate ring_buffer 2.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c47128542dc0c536fef6a81a33d942e8e14f434442be8789eea528b866361b5
[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" "9c47128542dc0c536fef6a81a33d942e8e14f434442be8789eea528b866361b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c47128542dc0c536fef6a81a33d942e8e14f434442be8789eea528b866361b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c47128542dc0c536fef6a81a33d942e8e14f434442be8789eea528b866361b5", kill_on_drop: false }`
[INFO] [stdout] 9c47128542dc0c536fef6a81a33d942e8e14f434442be8789eea528b866361b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] f35017511b2a640fccea647999bb22c877a670daaee4eeebcbacff2bbaf415eb
[INFO] running `Command { std: "docker" "start" "-a" "f35017511b2a640fccea647999bb22c877a670daaee4eeebcbacff2bbaf415eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring_buffer v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "f35017511b2a640fccea647999bb22c877a670daaee4eeebcbacff2bbaf415eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35017511b2a640fccea647999bb22c877a670daaee4eeebcbacff2bbaf415eb", kill_on_drop: false }`
[INFO] [stdout] f35017511b2a640fccea647999bb22c877a670daaee4eeebcbacff2bbaf415eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58d3c1ac32814313c541717c9fef197bd076e10f7dfec4a4155c67dcf82fe8e7
[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" "58d3c1ac32814313c541717c9fef197bd076e10f7dfec4a4155c67dcf82fe8e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring_buffer v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "58d3c1ac32814313c541717c9fef197bd076e10f7dfec4a4155c67dcf82fe8e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d3c1ac32814313c541717c9fef197bd076e10f7dfec4a4155c67dcf82fe8e7", kill_on_drop: false }`
[INFO] [stdout] 58d3c1ac32814313c541717c9fef197bd076e10f7dfec4a4155c67dcf82fe8e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] aed2eeb04fc219de28fadea756463afd79dac02b4d204095ead8cfafa0e3bd15
[INFO] running `Command { std: "docker" "start" "-a" "aed2eeb04fc219de28fadea756463afd79dac02b4d204095ead8cfafa0e3bd15", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ring_buffer-94fa399a39c63b52)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ring_buffer
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::access_and_reallocations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::capacity (line 262) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::clear (line 277) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_relative (line 544) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::front (line 328) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::contains (line 303) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::back_absolute_index (line 232) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_absolute_mut (line 440) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_relative_mut (line 568) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_absolute_mut_unchecked (line 516) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_absolute_unchecked (line 481) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::as_slices (line 133) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::get_absolute (line 408) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::back_mut (line 209) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::back (line 189) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::front_absolute_index (line 371) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::front_mut (line 348) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::is_full (line 611) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::iter (line 630) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::is_empty (line 594) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::pop_front (line 699) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::len (line 681) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::push_back (line 727) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::new (line 74) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::shrink_to_fit (line 874) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::swap_absolute (line 945) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::iter_mut (line 655) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::reserve (line 773) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::swap_relative (line 899) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::shrink_to (line 804) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::with_capacity (line 87) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::truncate (line 987) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aed2eeb04fc219de28fadea756463afd79dac02b4d204095ead8cfafa0e3bd15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed2eeb04fc219de28fadea756463afd79dac02b4d204095ead8cfafa0e3bd15", kill_on_drop: false }`
[INFO] [stdout] aed2eeb04fc219de28fadea756463afd79dac02b4d204095ead8cfafa0e3bd15