[INFO] fetching crate ensured_bufreader 0.2.0...
[INFO] testing ensured_bufreader-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ensured_bufreader 0.2.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate ensured_bufreader 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ensured_bufreader 0.2.0
[INFO] finished tweaking crates.io crate ensured_bufreader 0.2.0
[INFO] tweaked toml for crates.io crate ensured_bufreader 0.2.0 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a187e649d0de638255991f92a1f6bd7f9fb8d15caf7a3fc7b3481cee3c511d76
[INFO] running `Command { std: "docker" "start" "-a" "a187e649d0de638255991f92a1f6bd7f9fb8d15caf7a3fc7b3481cee3c511d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a187e649d0de638255991f92a1f6bd7f9fb8d15caf7a3fc7b3481cee3c511d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a187e649d0de638255991f92a1f6bd7f9fb8d15caf7a3fc7b3481cee3c511d76", kill_on_drop: false }`
[INFO] [stdout] a187e649d0de638255991f92a1f6bd7f9fb8d15caf7a3fc7b3481cee3c511d76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c24b211b7134fcd7d36aa1f3a47cbaf4c17b0839d3991d218bd1ced35b589d
[INFO] running `Command { std: "docker" "start" "-a" "51c24b211b7134fcd7d36aa1f3a47cbaf4c17b0839d3991d218bd1ced35b589d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensured_bufreader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "51c24b211b7134fcd7d36aa1f3a47cbaf4c17b0839d3991d218bd1ced35b589d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c24b211b7134fcd7d36aa1f3a47cbaf4c17b0839d3991d218bd1ced35b589d", kill_on_drop: false }`
[INFO] [stdout] 51c24b211b7134fcd7d36aa1f3a47cbaf4c17b0839d3991d218bd1ced35b589d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 571da54af740b6e9ebe75af9d4fa24f9b8b93b7744037965a5d70f03de62194e
[INFO] running `Command { std: "docker" "start" "-a" "571da54af740b6e9ebe75af9d4fa24f9b8b93b7744037965a5d70f03de62194e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ensured_bufreader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "571da54af740b6e9ebe75af9d4fa24f9b8b93b7744037965a5d70f03de62194e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571da54af740b6e9ebe75af9d4fa24f9b8b93b7744037965a5d70f03de62194e", kill_on_drop: false }`
[INFO] [stdout] 571da54af740b6e9ebe75af9d4fa24f9b8b93b7744037965a5d70f03de62194e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a4550daf959ef72e7573da9b210d35d09e32bfc9cf695705d5009268082c93a
[INFO] running `Command { std: "docker" "start" "-a" "2a4550daf959ef72e7573da9b210d35d09e32bfc9cf695705d5009268082c93a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ensured_bufreader-c58e934b7649d932)
[INFO] [stdout] 
[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] [stderr]      Running tests/api_tests.rs (/opt/rustwide/target/debug/deps/api_tests-1366a456eede0efd)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test fill_buf_short ... ok
[INFO] [stdout] test fill_buf_to_expected_size_returns_error_when_expected_size_is_too_large ... ok
[INFO] [stdout] test works_with_given_buffer ... ok
[INFO] [stdout] test fill_buf_long ... ok
[INFO] [stdout] test read_long ... ok
[INFO] [stdout] test capacity_is_smaller_than_ensure_not_allowed - should panic ... ok
[INFO] [stdout] test ensure_is_0_not_allowed_with_capacity_and_ensure - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ensured_bufreader
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R,B>::fill_buf_to_expected_size (line 298) ... ok
[INFO] [stdout] test src/lib.rs - DEFAULT_BUFFER_SIZE (line 16) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R,&'_mut[u8]>::from_mut_ref (line 143) ... ok
[INFO] [stdout] test src/lib.rs - DEFAULT_ENSURED_BYTES (line 35) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R,Vec<u8>>::with_capacity_and_ensured_size (line 100) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R,B>::buffer (line 262) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R,&'_mut[u8]>::from_mut_ref_and_ensured_size (line 176) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R,B>::get_capacity (line 362) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R,Vec<u8>>::new (line 70) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R,B>::fill_buf_to_expected_size (line 317) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R,B>::get_ensured_size (line 382) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a4550daf959ef72e7573da9b210d35d09e32bfc9cf695705d5009268082c93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4550daf959ef72e7573da9b210d35d09e32bfc9cf695705d5009268082c93a", kill_on_drop: false }`
[INFO] [stdout] 2a4550daf959ef72e7573da9b210d35d09e32bfc9cf695705d5009268082c93a