[INFO] fetching crate ring_queue 0.2.0...
[INFO] testing ring_queue-0.2.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate ring_queue 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ring_queue 0.2.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ring_queue 0.2.0
[INFO] finished tweaking crates.io crate ring_queue 0.2.0
[INFO] tweaked toml for crates.io crate ring_queue 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] c9bcab619c4817b41d0eb4a9b8dd7c33bcc5565c390336c27cb3ddfb49a6f8cb
[INFO] running `Command { std: "docker" "start" "-a" "c9bcab619c4817b41d0eb4a9b8dd7c33bcc5565c390336c27cb3ddfb49a6f8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9bcab619c4817b41d0eb4a9b8dd7c33bcc5565c390336c27cb3ddfb49a6f8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9bcab619c4817b41d0eb4a9b8dd7c33bcc5565c390336c27cb3ddfb49a6f8cb", kill_on_drop: false }`
[INFO] [stdout] c9bcab619c4817b41d0eb4a9b8dd7c33bcc5565c390336c27cb3ddfb49a6f8cb
[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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4083751e5910f5a005eca382e7c3c57aefd415956928975435d3612d20e0557c
[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" "4083751e5910f5a005eca382e7c3c57aefd415956928975435d3612d20e0557c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring_queue v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "4083751e5910f5a005eca382e7c3c57aefd415956928975435d3612d20e0557c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4083751e5910f5a005eca382e7c3c57aefd415956928975435d3612d20e0557c", kill_on_drop: false }`
[INFO] [stdout] 4083751e5910f5a005eca382e7c3c57aefd415956928975435d3612d20e0557c
[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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] 495893eeccdcfc638b69fb1e1e838955d7564fe4bfbf09f7961261f0bac29b79
[INFO] running `Command { std: "docker" "start" "-a" "495893eeccdcfc638b69fb1e1e838955d7564fe4bfbf09f7961261f0bac29b79", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring_queue v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "495893eeccdcfc638b69fb1e1e838955d7564fe4bfbf09f7961261f0bac29b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495893eeccdcfc638b69fb1e1e838955d7564fe4bfbf09f7961261f0bac29b79", kill_on_drop: false }`
[INFO] [stdout] 495893eeccdcfc638b69fb1e1e838955d7564fe4bfbf09f7961261f0bac29b79
[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" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9290dd7514fa002035528ad2ccc03a246662f7267659ba2758754237f0f15a7b
[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" "9290dd7514fa002035528ad2ccc03a246662f7267659ba2758754237f0f15a7b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ring_queue-66aee20c8ca47fdb)
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::test_debug ... ok
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_macro_nocopy ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::test_push ... ok
[INFO] [stdout] test tests::test_push_with_gaps ... ok
[INFO] [stdout] test tests::test_from_iter ... ok
[INFO] [stdout] test tests::test_rotate ... ok
[INFO] [stdout] test tests::test_reverse ... ok
[INFO] [stdout] test tests::test_collect ... ok
[INFO] [stdout] test tests::test_index ... ok
[INFO] [stdout] test tests::test_iter_nocopyable ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_append ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_iter_copyable ... ok
[INFO] [stdout] test tests::test_pop ... ok
[INFO] [stdout] test tests::test_capacity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ring_queue
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - Ring<T>::append_left (line 477) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::clear (line 432) ... ok
[INFO] [stdout] test src/lib.rs - &'a Ring<T>::into_iter (line 586) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::is_empty (line 527) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - &'a mut Ring<T>::into_iter (line 617) ... ok
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::append (line 453) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::collect_vec (line 545) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::peek (line 393) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::pop_left (line 172) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::push (line 284) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::pop (line 215) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::reverse (line 497) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::push_left (line 303) ... ok
[INFO] [stdout] test src/lib.rs - Ring<T>::rotate (line 345) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9290dd7514fa002035528ad2ccc03a246662f7267659ba2758754237f0f15a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9290dd7514fa002035528ad2ccc03a246662f7267659ba2758754237f0f15a7b", kill_on_drop: false }`
[INFO] [stdout] 9290dd7514fa002035528ad2ccc03a246662f7267659ba2758754237f0f15a7b