[INFO] fetching crate ensured_bufreader 0.2.0...
[INFO] testing ensured_bufreader-0.2.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate ensured_bufreader 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ensured_bufreader 0.2.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4f8de102043ffc87a59fff4f4d34ffcfd9242552b4aa9874d820f78063f0b07
[INFO] running `Command { std: "docker" "start" "-a" "a4f8de102043ffc87a59fff4f4d34ffcfd9242552b4aa9874d820f78063f0b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4f8de102043ffc87a59fff4f4d34ffcfd9242552b4aa9874d820f78063f0b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f8de102043ffc87a59fff4f4d34ffcfd9242552b4aa9874d820f78063f0b07", kill_on_drop: false }`
[INFO] [stdout] a4f8de102043ffc87a59fff4f4d34ffcfd9242552b4aa9874d820f78063f0b07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a47dfa7f3061223cf0015c458ccf2443c2ae1ea4ae85ea7ecf17a9ba59b9ed1
[INFO] running `Command { std: "docker" "start" "-a" "6a47dfa7f3061223cf0015c458ccf2443c2ae1ea4ae85ea7ecf17a9ba59b9ed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensured_bufreader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "6a47dfa7f3061223cf0015c458ccf2443c2ae1ea4ae85ea7ecf17a9ba59b9ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a47dfa7f3061223cf0015c458ccf2443c2ae1ea4ae85ea7ecf17a9ba59b9ed1", kill_on_drop: false }`
[INFO] [stdout] 6a47dfa7f3061223cf0015c458ccf2443c2ae1ea4ae85ea7ecf17a9ba59b9ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c002353cb1c20c2c29aa11b0044ddf79ebda5439894bfbff7d395bd1eff59a9
[INFO] running `Command { std: "docker" "start" "-a" "1c002353cb1c20c2c29aa11b0044ddf79ebda5439894bfbff7d395bd1eff59a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ensured_bufreader v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "1c002353cb1c20c2c29aa11b0044ddf79ebda5439894bfbff7d395bd1eff59a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c002353cb1c20c2c29aa11b0044ddf79ebda5439894bfbff7d395bd1eff59a9", kill_on_drop: false }`
[INFO] [stdout] 1c002353cb1c20c2c29aa11b0044ddf79ebda5439894bfbff7d395bd1eff59a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 800cfcb19f308f51624cd393b12c2c8054cb4675e73ea4d91240867cde507ebf
[INFO] running `Command { std: "docker" "start" "-a" "800cfcb19f308f51624cd393b12c2c8054cb4675e73ea4d91240867cde507ebf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ensured_bufreader-e655289e75648ba6)
[INFO] [stderr]      Running tests/api_tests.rs (/opt/rustwide/target/debug/deps/api_tests-3205a8b6bf16d94b)
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test fill_buf_to_expected_size_returns_error_when_expected_size_is_too_large ... ok
[INFO] [stdout] test fill_buf_long ... ok
[INFO] [stdout] test fill_buf_short ... ok
[INFO] [stdout] test works_with_given_buffer ... ok
[INFO] [stdout] test read_long ... ok
[INFO] [stderr]    Doc-tests ensured_bufreader
[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 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, Vec<u8>>::new (line 70) ... 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>::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] test src/lib.rs - EnsuredBufReader<R, &'_ mut [u8]>::from_mut_ref (line 143) ... ok
[INFO] [stdout] test src/lib.rs - DEFAULT_BUFFER_SIZE (line 16) ... ok
[INFO] [stdout] test src/lib.rs - EnsuredBufReader<R, B>::fill_buf_to_expected_size (line 298) ... 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>>::with_capacity_and_ensured_size (line 100) ... ok
[INFO] [stdout] test src/lib.rs - DEFAULT_ENSURED_BYTES (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "800cfcb19f308f51624cd393b12c2c8054cb4675e73ea4d91240867cde507ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800cfcb19f308f51624cd393b12c2c8054cb4675e73ea4d91240867cde507ebf", kill_on_drop: false }`
[INFO] [stdout] 800cfcb19f308f51624cd393b12c2c8054cb4675e73ea4d91240867cde507ebf