[INFO] fetching crate hexdump 0.1.1...
[INFO] testing hexdump-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hexdump 0.1.1 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate hexdump 0.1.1 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 hexdump 0.1.1
[INFO] finished tweaking crates.io crate hexdump 0.1.1
[INFO] tweaked toml for crates.io crate hexdump 0.1.1 written to /workspace/builds/worker-25/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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] c5b3234a21b62ddcce6c25e5204a4c5c83008df4c7851d4f5d56bd9e72e34db1
[INFO] running `Command { std: "docker" "start" "-a" "c5b3234a21b62ddcce6c25e5204a4c5c83008df4c7851d4f5d56bd9e72e34db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5b3234a21b62ddcce6c25e5204a4c5c83008df4c7851d4f5d56bd9e72e34db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b3234a21b62ddcce6c25e5204a4c5c83008df4c7851d4f5d56bd9e72e34db1", kill_on_drop: false }`
[INFO] [stdout] c5b3234a21b62ddcce6c25e5204a4c5c83008df4c7851d4f5d56bd9e72e34db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] a85f61b567c532d29b9f5dc3af21e9757de4ae8d3944fc9cb07f8cc957a9e389
[INFO] running `Command { std: "docker" "start" "-a" "a85f61b567c532d29b9f5dc3af21e9757de4ae8d3944fc9cb07f8cc957a9e389", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling hexdump v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/imp.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 | const NUM_SEGMENTS_PER_CHUNK: usize = ((CHUNK_LENGTH + SEGMENT_LENGTH - 1) / SEGMENT_LENGTH);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "a85f61b567c532d29b9f5dc3af21e9757de4ae8d3944fc9cb07f8cc957a9e389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85f61b567c532d29b9f5dc3af21e9757de4ae8d3944fc9cb07f8cc957a9e389", kill_on_drop: false }`
[INFO] [stdout] a85f61b567c532d29b9f5dc3af21e9757de4ae8d3944fc9cb07f8cc957a9e389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] ff932a83e7ec60704a5d0f5568fa731b6bf48cd58e29463f7f26e873b70bc320
[INFO] running `Command { std: "docker" "start" "-a" "ff932a83e7ec60704a5d0f5568fa731b6bf48cd58e29463f7f26e873b70bc320", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/imp.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 | const NUM_SEGMENTS_PER_CHUNK: usize = ((CHUNK_LENGTH + SEGMENT_LENGTH - 1) / SEGMENT_LENGTH);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling hexdump v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/imp.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 | const NUM_SEGMENTS_PER_CHUNK: usize = ((CHUNK_LENGTH + SEGMENT_LENGTH - 1) / SEGMENT_LENGTH);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "ff932a83e7ec60704a5d0f5568fa731b6bf48cd58e29463f7f26e873b70bc320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff932a83e7ec60704a5d0f5568fa731b6bf48cd58e29463f7f26e873b70bc320", kill_on_drop: false }`
[INFO] [stdout] ff932a83e7ec60704a5d0f5568fa731b6bf48cd58e29463f7f26e873b70bc320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 5a0063fcc0d2fbb25a05d3dade24e8e49a7e22c13cf284f9cb50549d02b2b955
[INFO] running `Command { std: "docker" "start" "-a" "5a0063fcc0d2fbb25a05d3dade24e8e49a7e22c13cf284f9cb50549d02b2b955", 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] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/imp.rs:13:39
[INFO] [stderr]    |
[INFO] [stderr] 13 | const NUM_SEGMENTS_PER_CHUNK: usize = ((CHUNK_LENGTH + SEGMENT_LENGTH - 1) / SEGMENT_LENGTH);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hexdump` (lib) generated 1 warning
[INFO] [stderr] warning: `hexdump` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hexdump-76a5ad6169392b1c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test imp::test::test_sanitize_byte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hexdump
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/imp.rs:13:39
[INFO] [stderr]    |
[INFO] [stderr] 13 | const NUM_SEGMENTS_PER_CHUNK: usize = ((CHUNK_LENGTH + SEGMENT_LENGTH - 1) / SEGMENT_LENGTH);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5a0063fcc0d2fbb25a05d3dade24e8e49a7e22c13cf284f9cb50549d02b2b955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0063fcc0d2fbb25a05d3dade24e8e49a7e22c13cf284f9cb50549d02b2b955", kill_on_drop: false }`
[INFO] [stdout] 5a0063fcc0d2fbb25a05d3dade24e8e49a7e22c13cf284f9cb50549d02b2b955