[INFO] fetching crate backhand 0.23.0...
[INFO] checking backhand-0.23.0 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate backhand 0.23.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate backhand 0.23.0
[INFO] finished tweaking crates.io crate backhand 0.23.0
[INFO] tweaked toml for crates.io crate backhand 0.23.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate backhand 0.23.0 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate backhand 0.23.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded test-log-macros v0.2.17
[INFO] [stderr]   Downloaded libdeflater v1.24.0
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[INFO] [stderr]   Downloaded criterion v0.6.0
[INFO] [stderr]   Downloaded libdeflate-sys v1.24.0
[INFO] [stderr]   Downloaded liblzma-sys v0.4.4
[INFO] [stderr]   Downloaded rust-lzo v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31b2c04a3f9113f73b024b2d55dfa7d87bbc383230c0adbe825006bba12f60d3
[INFO] running `Command { std: "docker" "start" "-a" "31b2c04a3f9113f73b024b2d55dfa7d87bbc383230c0adbe825006bba12f60d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31b2c04a3f9113f73b024b2d55dfa7d87bbc383230c0adbe825006bba12f60d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b2c04a3f9113f73b024b2d55dfa7d87bbc383230c0adbe825006bba12f60d3", kill_on_drop: false }`
[INFO] [stdout] 31b2c04a3f9113f73b024b2d55dfa7d87bbc383230c0adbe825006bba12f60d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a108b58a487f6d265d4ecec91616d872338b1a23cb267a198250a0a2251254
[INFO] running `Command { std: "docker" "start" "-a" "52a108b58a487f6d265d4ecec91616d872338b1a23cb267a198250a0a2251254", kill_on_drop: false }`
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[INFO] [stderr]     Checking backhand v0.23.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/benchmark.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     black_box(new_filesystem.write(&mut output).unwrap());
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `criterion::black_box`: use `std::hint::black_box()` instead
[INFO] [stdout]   --> benches/benchmark.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     black_box(FilesystemReader::from_reader_with_offset(file, offset).unwrap());
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.47s
[INFO] running `Command { std: "docker" "inspect" "52a108b58a487f6d265d4ecec91616d872338b1a23cb267a198250a0a2251254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a108b58a487f6d265d4ecec91616d872338b1a23cb267a198250a0a2251254", kill_on_drop: false }`
[INFO] [stdout] 52a108b58a487f6d265d4ecec91616d872338b1a23cb267a198250a0a2251254
