[INFO] fetching crate rtrb 0.1.4...
[INFO] testing rtrb-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rtrb 0.1.4 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate rtrb 0.1.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtrb 0.1.4
[INFO] finished tweaking crates.io crate rtrb 0.1.4
[INFO] tweaked toml for crates.io crate rtrb 0.1.4 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a8d4c5830fa9bd777c65fe344023159608fd1f5a974174e91f6ded4b7b3cf35
[INFO] running `Command { std: "docker" "start" "-a" "5a8d4c5830fa9bd777c65fe344023159608fd1f5a974174e91f6ded4b7b3cf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a8d4c5830fa9bd777c65fe344023159608fd1f5a974174e91f6ded4b7b3cf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8d4c5830fa9bd777c65fe344023159608fd1f5a974174e91f6ded4b7b3cf35", kill_on_drop: false }`
[INFO] [stdout] 5a8d4c5830fa9bd777c65fe344023159608fd1f5a974174e91f6ded4b7b3cf35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43168ad6119f68783415d03f4bb59428d2494a9249006069e511729598908f92
[INFO] running `Command { std: "docker" "start" "-a" "43168ad6119f68783415d03f4bb59428d2494a9249006069e511729598908f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling rtrb v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "43168ad6119f68783415d03f4bb59428d2494a9249006069e511729598908f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43168ad6119f68783415d03f4bb59428d2494a9249006069e511729598908f92", kill_on_drop: false }`
[INFO] [stdout] 43168ad6119f68783415d03f4bb59428d2494a9249006069e511729598908f92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 877a6806b5a047a6f52272d2e9b60fb0ccdc12b7d5b0480bd3279c9055f95f4d
[INFO] running `Command { std: "docker" "start" "-a" "877a6806b5a047a6f52272d2e9b60fb0ccdc12b7d5b0480bd3279c9055f95f4d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling rtrb v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.88s
[INFO] running `Command { std: "docker" "inspect" "877a6806b5a047a6f52272d2e9b60fb0ccdc12b7d5b0480bd3279c9055f95f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877a6806b5a047a6f52272d2e9b60fb0ccdc12b7d5b0480bd3279c9055f95f4d", kill_on_drop: false }`
[INFO] [stdout] 877a6806b5a047a6f52272d2e9b60fb0ccdc12b7d5b0480bd3279c9055f95f4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 231ba87528bdc920025b016ee2e97ebe62e8bb93cfc2624d5cfea5aa15594cb4
[INFO] running `Command { std: "docker" "start" "-a" "231ba87528bdc920025b016ee2e97ebe62e8bb93cfc2624d5cfea5aa15594cb4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rtrb-52d927a1e8396f23)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/push_and_pop.rs (/opt/rustwide/target/debug/deps/push_and_pop-2d52ae455f35b5fa)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test capacity ... ok
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test zero_sized_type ... ok
[INFO] [stdout] test zero_capacity ... ok
[INFO] [stdout] test parallel ... ok
[INFO] [stdout] test drops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/write_and_read.rs (/opt/rustwide/target/debug/deps/write_and_read-9a9c1b36a0f766e4)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test read_error ... ok
[INFO] [stdout] test write_empty_buf ... ok
[INFO] [stdout] test write_error ... ok
[INFO] [stdout] test read_empty_buf ... ok
[INFO] [stdout] test write_and_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtrb
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test src/lib.rs - (line 142) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 169) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_empty (line 1015) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_abandoned (line 1045) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::capacity (line 382) ... ok
[INFO] [stdout] test src/lib.rs - Consumer (line 787) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_full (line 668) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::new (line 250) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_abandoned (line 1030) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::split (line 300) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::pop (line 831) ... ok
[INFO] [stdout] test src/lib.rs - Producer (line 508) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::read_chunk (line 894) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::peek (line 855) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::new (line 259) ... ok
[INFO] [stdout] test src/lib.rs - CopyToUninit (line 1333) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::slots (line 651) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_abandoned (line 1056) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_abandoned (line 721) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_empty (line 993) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::slots (line 976) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::push (line 540) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::eq (line 473) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::is_empty (line 1004) ... ok
[INFO] [stdout] test src/lib.rs - Consumer<T>::pop (line 819) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_full (line 690) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_abandoned (line 732) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_full (line 679) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - RingBuffer<T>::reset (line 338) ... ok
[INFO] [stdout] test src/lib.rs - Producer<T>::is_abandoned (line 705) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "231ba87528bdc920025b016ee2e97ebe62e8bb93cfc2624d5cfea5aa15594cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231ba87528bdc920025b016ee2e97ebe62e8bb93cfc2624d5cfea5aa15594cb4", kill_on_drop: false }`
[INFO] [stdout] 231ba87528bdc920025b016ee2e97ebe62e8bb93cfc2624d5cfea5aa15594cb4