[INFO] fetching crate clru 0.3.0...
[INFO] testing clru-0.3.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate clru 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate clru 0.3.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clru 0.3.0
[INFO] finished tweaking crates.io crate clru 0.3.0
[INFO] tweaked toml for crates.io crate clru 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 40430aea29f1075299c476b365b8322dcbe2d5306d4e4ebb5f3f5f896d30a99a
[INFO] running `Command { std: "docker" "start" "-a" "40430aea29f1075299c476b365b8322dcbe2d5306d4e4ebb5f3f5f896d30a99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40430aea29f1075299c476b365b8322dcbe2d5306d4e4ebb5f3f5f896d30a99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40430aea29f1075299c476b365b8322dcbe2d5306d4e4ebb5f3f5f896d30a99a", kill_on_drop: false }`
[INFO] [stdout] 40430aea29f1075299c476b365b8322dcbe2d5306d4e4ebb5f3f5f896d30a99a
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3d8b8f06f27719a0d44c6b4e7a68ea9b527d6f9103db4c4a01be85b0a80396
[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" "6a3d8b8f06f27719a0d44c6b4e7a68ea9b527d6f9103db4c4a01be85b0a80396", kill_on_drop: false }`
[INFO] [stderr]    Compiling clru v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "6a3d8b8f06f27719a0d44c6b4e7a68ea9b527d6f9103db4c4a01be85b0a80396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3d8b8f06f27719a0d44c6b4e7a68ea9b527d6f9103db4c4a01be85b0a80396", kill_on_drop: false }`
[INFO] [stdout] 6a3d8b8f06f27719a0d44c6b4e7a68ea9b527d6f9103db4c4a01be85b0a80396
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04d1521cbc530a059a403756c0bd82a4231cdc78c5fdf6bd63af8e4e2a8470c3
[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" "04d1521cbc530a059a403756c0bd82a4231cdc78c5fdf6bd63af8e4e2a8470c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling clru v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "04d1521cbc530a059a403756c0bd82a4231cdc78c5fdf6bd63af8e4e2a8470c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d1521cbc530a059a403756c0bd82a4231cdc78c5fdf6bd63af8e4e2a8470c3", kill_on_drop: false }`
[INFO] [stdout] 04d1521cbc530a059a403756c0bd82a4231cdc78c5fdf6bd63af8e4e2a8470c3
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a1be67376eea22e4be0a0fa02ef76f73dbe89fefc137b064a2644fca6ad7a0c
[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" "7a1be67376eea22e4be0a0fa02ef76f73dbe89fefc137b064a2644fca6ad7a0c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/clru-cd0ea7dc2ef08a3a
[INFO] [stdout] running 28 tests
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_contains ... ok
[INFO] [stdout] test tests::test_fixed_size_list_reorder ... ok
[INFO] [stdout] test tests::test_fixed_size_list ... ok
[INFO] [stdout] test tests::test_get_mut_and_update ... ok
[INFO] [stdout] test tests::test_get_mut_with_borrow ... ok
[INFO] [stdout] test tests::test_get_with_borrow ... ok
[INFO] [stdout] test tests::test_iter_clone ... ok
[INFO] [stdout] test tests::test_into_iter ... ok
[INFO] [stdout] test tests::test_insert_removes_oldest ... ok
[INFO] [stdout] test tests::test_insert_and_get ... ok
[INFO] [stdout] test tests::test_insert_update ... ok
[INFO] [stdout] test tests::test_insert_and_get_mut ... ok
[INFO] [stdout] test tests::test_iter_forwards_and_backwards ... ok
[INFO] [stdout] test tests::test_iter_backwards ... ok
[INFO] [stdout] test tests::test_iter_forwards ... ok
[INFO] [stdout] test tests::test_pop_back ... ok
[INFO] [stdout] test tests::test_pop_front ... ok
[INFO] [stdout] test tests::test_resize_equal ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::test_pop ... ok
[INFO] [stdout] test tests::test_resize_larger ... ok
[INFO] [stdout] test tests::test_that_pop_actually_detaches_node ... ok
[INFO] [stdout] test tests::test_retain ... ok
[INFO] [stdout] test tests::test_zero_cap_no_crash ... ok
[INFO] [stdout] test tests::test_resize_smaller ... ok
[INFO] [stdout] test tests::test_peek_mut ... ok
[INFO] [stdout] test tests::test_no_memory_leaks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clru
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... 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" "7a1be67376eea22e4be0a0fa02ef76f73dbe89fefc137b064a2644fca6ad7a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a1be67376eea22e4be0a0fa02ef76f73dbe89fefc137b064a2644fca6ad7a0c", kill_on_drop: false }`
[INFO] [stdout] 7a1be67376eea22e4be0a0fa02ef76f73dbe89fefc137b064a2644fca6ad7a0c