[INFO] fetching crate ensured_bufreader 0.2.0...
[INFO] testing ensured_bufreader-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ensured_bufreader 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ensured_bufreader 0.2.0 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 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-0/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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdda078b69f1e3bfeafdf434f0323736d117df0580a00d872b8986b7ea30fe2d
[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" "cdda078b69f1e3bfeafdf434f0323736d117df0580a00d872b8986b7ea30fe2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdda078b69f1e3bfeafdf434f0323736d117df0580a00d872b8986b7ea30fe2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdda078b69f1e3bfeafdf434f0323736d117df0580a00d872b8986b7ea30fe2d", kill_on_drop: false }`
[INFO] [stdout] cdda078b69f1e3bfeafdf434f0323736d117df0580a00d872b8986b7ea30fe2d
[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=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] 2dfcd7bfe1459b5e991e1efd6cf4a43082a68627bbd6b11df69d553961cb42a1
[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" "2dfcd7bfe1459b5e991e1efd6cf4a43082a68627bbd6b11df69d553961cb42a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensured_bufreader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "2dfcd7bfe1459b5e991e1efd6cf4a43082a68627bbd6b11df69d553961cb42a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dfcd7bfe1459b5e991e1efd6cf4a43082a68627bbd6b11df69d553961cb42a1", kill_on_drop: false }`
[INFO] [stdout] 2dfcd7bfe1459b5e991e1efd6cf4a43082a68627bbd6b11df69d553961cb42a1
[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=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] b9d79a2c2429378a0c255fbcbbab9ace62adfa51a7eeb16f3debec3d0c8b7aa3
[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" "b9d79a2c2429378a0c255fbcbbab9ace62adfa51a7eeb16f3debec3d0c8b7aa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensured_bufreader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "b9d79a2c2429378a0c255fbcbbab9ace62adfa51a7eeb16f3debec3d0c8b7aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d79a2c2429378a0c255fbcbbab9ace62adfa51a7eeb16f3debec3d0c8b7aa3", kill_on_drop: false }`
[INFO] [stdout] b9d79a2c2429378a0c255fbcbbab9ace62adfa51a7eeb16f3debec3d0c8b7aa3
[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=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] 910b819014e4b681b02832fe75840d91e63c2f60e1479ca8f7fdaab56f080d07
[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" "910b819014e4b681b02832fe75840d91e63c2f60e1479ca8f7fdaab56f080d07", kill_on_drop: false }`
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ensured_bufreader-fc2e5977a26867c9)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/api_tests.rs (/opt/rustwide/target/debug/deps/api_tests-fd0ba9d06af88e6b)
[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 read_long ... ok
[INFO] [stdout] test fill_buf_long ... ok
[INFO] [stdout] test ensure_is_0_not_allowed_with_capacity_and_ensure - should panic ... ok
[INFO] [stdout] test capacity_is_smaller_than_ensure_not_allowed - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ensured_bufreader
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[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, Vec<u8>>::with_capacity_and_ensured_size (line 100) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, Vec<u8>>::new (line 70) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, &'_ mut [u8]>::from_mut_ref (line 143) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, B>::get_ensured_size (line 382) ... ok
[INFO] [stdout] test src/lib.rs - DEFAULT_ENSURED_BYTES (line 35) ... ok
[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, B>::get_capacity (line 362) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, B>::fill_buf_to_expected_size (line 317) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "910b819014e4b681b02832fe75840d91e63c2f60e1479ca8f7fdaab56f080d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910b819014e4b681b02832fe75840d91e63c2f60e1479ca8f7fdaab56f080d07", kill_on_drop: false }`
[INFO] [stdout] 910b819014e4b681b02832fe75840d91e63c2f60e1479ca8f7fdaab56f080d07