[INFO] crate circle_buffer 0.1.3 is already in cache
[INFO] testing circle_buffer-0.1.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate circle_buffer 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate circle_buffer 0.1.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate circle_buffer 0.1.3
[INFO] finished tweaking crates.io crate circle_buffer 0.1.3
[INFO] tweaked toml for crates.io crate circle_buffer 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 325473d4991d4d787534b4c070ed0a1132cf12dc668a71d07094a137b23c6a84
[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" "325473d4991d4d787534b4c070ed0a1132cf12dc668a71d07094a137b23c6a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "325473d4991d4d787534b4c070ed0a1132cf12dc668a71d07094a137b23c6a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325473d4991d4d787534b4c070ed0a1132cf12dc668a71d07094a137b23c6a84", kill_on_drop: false }`
[INFO] [stdout] 325473d4991d4d787534b4c070ed0a1132cf12dc668a71d07094a137b23c6a84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7a8ce136c4210072a65932f4d2ee2e8a275b917d9ec920cde2a3ff6c1769007
[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" "f7a8ce136c4210072a65932f4d2ee2e8a275b917d9ec920cde2a3ff6c1769007", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling circle_buffer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "f7a8ce136c4210072a65932f4d2ee2e8a275b917d9ec920cde2a3ff6c1769007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a8ce136c4210072a65932f4d2ee2e8a275b917d9ec920cde2a3ff6c1769007", kill_on_drop: false }`
[INFO] [stdout] f7a8ce136c4210072a65932f4d2ee2e8a275b917d9ec920cde2a3ff6c1769007
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e72d00b4c70cc1b655fd54a630f4a7438183c62de2b3640b72f63e0752157af
[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" "6e72d00b4c70cc1b655fd54a630f4a7438183c62de2b3640b72f63e0752157af", kill_on_drop: false }`
[INFO] [stderr]    Compiling circle_buffer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "6e72d00b4c70cc1b655fd54a630f4a7438183c62de2b3640b72f63e0752157af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e72d00b4c70cc1b655fd54a630f4a7438183c62de2b3640b72f63e0752157af", kill_on_drop: false }`
[INFO] [stdout] 6e72d00b4c70cc1b655fd54a630f4a7438183c62de2b3640b72f63e0752157af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05b62d82536015836e0d41efa0e102fabb9db60d2f4b01237cb355285ec0c0c8
[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" "05b62d82536015836e0d41efa0e102fabb9db60d2f4b01237cb355285ec0c0c8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/circle_buffer-1a8d9a3bf11645f0
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_index ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_push ... ok
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_iter_mut ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_capacity ... ok
[INFO] [stdout] test tests::test_index_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests circle_buffer
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::is_empty (line 73) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::zero_clear (line 217) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::len (line 50) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::capacity (line 36) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::with_capacity (line 19) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::push (line 91) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::iter (line 163) ... ok
[INFO] [stdout] test src/lib.rs - CircleBuffer<T>::iter_mut (line 187) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "05b62d82536015836e0d41efa0e102fabb9db60d2f4b01237cb355285ec0c0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b62d82536015836e0d41efa0e102fabb9db60d2f4b01237cb355285ec0c0c8", kill_on_drop: false }`
[INFO] [stdout] 05b62d82536015836e0d41efa0e102fabb9db60d2f4b01237cb355285ec0c0c8