[INFO] fetching crate tac-k-lib 0.3.3...
[INFO] building tac-k-lib-0.3.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tac-k-lib 0.3.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tac-k-lib 0.3.3
[INFO] finished tweaking crates.io crate tac-k-lib 0.3.3
[INFO] tweaked toml for crates.io crate tac-k-lib 0.3.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tac-k-lib 0.3.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a39867788ead6ec8dafa2885362e3470a7fded7bf3227f379fdf4891b2d42317
[INFO] running `Command { std: "docker" "start" "-a" "a39867788ead6ec8dafa2885362e3470a7fded7bf3227f379fdf4891b2d42317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a39867788ead6ec8dafa2885362e3470a7fded7bf3227f379fdf4891b2d42317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39867788ead6ec8dafa2885362e3470a7fded7bf3227f379fdf4891b2d42317", kill_on_drop: false }`
[INFO] [stdout] a39867788ead6ec8dafa2885362e3470a7fded7bf3227f379fdf4891b2d42317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d064a48f85d32c1eae7deb22115b2ee0b17b3e9524301d0a5a8e342e57cb8f31
[INFO] running `Command { std: "docker" "start" "-a" "d064a48f85d32c1eae7deb22115b2ee0b17b3e9524301d0a5a8e342e57cb8f31", kill_on_drop: false }`
[INFO] [stderr]    Compiling memmap2 v0.9.8
[INFO] [stderr]    Compiling tac-k-lib v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:213:26
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let pattern256 = unsafe { _mm256_set1_epi8(separator as i8) };
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "d064a48f85d32c1eae7deb22115b2ee0b17b3e9524301d0a5a8e342e57cb8f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d064a48f85d32c1eae7deb22115b2ee0b17b3e9524301d0a5a8e342e57cb8f31", kill_on_drop: false }`
[INFO] [stdout] d064a48f85d32c1eae7deb22115b2ee0b17b3e9524301d0a5a8e342e57cb8f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0238dc0db8c8e59b34a9298be7379ee15f45bca2c4969af04ca3ddfdc25e1538
[INFO] running `Command { std: "docker" "start" "-a" "0238dc0db8c8e59b34a9298be7379ee15f45bca2c4969af04ca3ddfdc25e1538", kill_on_drop: false }`
[INFO] [stderr]    Compiling tac-k-lib v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:213:26
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let pattern256 = unsafe { _mm256_set1_epi8(separator as i8) };
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:213:26
[INFO] [stdout]     |
[INFO] [stdout] 213 |         let pattern256 = unsafe { _mm256_set1_epi8(separator as i8) };
[INFO] [stdout]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "0238dc0db8c8e59b34a9298be7379ee15f45bca2c4969af04ca3ddfdc25e1538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0238dc0db8c8e59b34a9298be7379ee15f45bca2c4969af04ca3ddfdc25e1538", kill_on_drop: false }`
[INFO] [stdout] 0238dc0db8c8e59b34a9298be7379ee15f45bca2c4969af04ca3ddfdc25e1538