[INFO] fetching crate hexdump 0.1.0...
[INFO] testing hexdump-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hexdump 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hexdump 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hexdump 0.1.0
[INFO] finished tweaking crates.io crate hexdump 0.1.0
[INFO] tweaked toml for crates.io crate hexdump 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 901020eda9bb636362b8228e9c52115755a85b6303639a1ba67819aa5ecd6c45
[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" "901020eda9bb636362b8228e9c52115755a85b6303639a1ba67819aa5ecd6c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "901020eda9bb636362b8228e9c52115755a85b6303639a1ba67819aa5ecd6c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901020eda9bb636362b8228e9c52115755a85b6303639a1ba67819aa5ecd6c45", kill_on_drop: false }`
[INFO] [stdout] 901020eda9bb636362b8228e9c52115755a85b6303639a1ba67819aa5ecd6c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e958af21578fb3b70b29f8afdc9781141ef0bccf3a3b4772dbe2f2ba65c21591
[INFO] running `Command { std: "docker" "start" "-a" "e958af21578fb3b70b29f8afdc9781141ef0bccf3a3b4772dbe2f2ba65c21591", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling hexdump v0.1.0 (/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 1.65s
[INFO] running `Command { std: "docker" "inspect" "e958af21578fb3b70b29f8afdc9781141ef0bccf3a3b4772dbe2f2ba65c21591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e958af21578fb3b70b29f8afdc9781141ef0bccf3a3b4772dbe2f2ba65c21591", kill_on_drop: false }`
[INFO] [stdout] e958af21578fb3b70b29f8afdc9781141ef0bccf3a3b4772dbe2f2ba65c21591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f753dbd969f21efa2e613592b7313151bf850de26b58855af1b6d451f0b1412e
[INFO] running `Command { std: "docker" "start" "-a" "f753dbd969f21efa2e613592b7313151bf850de26b58855af1b6d451f0b1412e", kill_on_drop: false }`
[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 hexdump v0.1.0 (/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 1.52s
[INFO] running `Command { std: "docker" "inspect" "f753dbd969f21efa2e613592b7313151bf850de26b58855af1b6d451f0b1412e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f753dbd969f21efa2e613592b7313151bf850de26b58855af1b6d451f0b1412e", kill_on_drop: false }`
[INFO] [stdout] f753dbd969f21efa2e613592b7313151bf850de26b58855af1b6d451f0b1412e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42b6e5a9ea58d891e711b2e81da58df84b8b413fbe93914f963ef1d519840618
[INFO] running `Command { std: "docker" "start" "-a" "42b6e5a9ea58d891e711b2e81da58df84b8b413fbe93914f963ef1d519840618", kill_on_drop: false }`
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hexdump-1c8b35b857b87301
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hexdump
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42b6e5a9ea58d891e711b2e81da58df84b8b413fbe93914f963ef1d519840618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b6e5a9ea58d891e711b2e81da58df84b8b413fbe93914f963ef1d519840618", kill_on_drop: false }`
[INFO] [stdout] 42b6e5a9ea58d891e711b2e81da58df84b8b413fbe93914f963ef1d519840618