[INFO] fetching crate tac-k-lib 0.3.3...
[INFO] building tac-k-lib-0.3.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate tac-k-lib 0.3.3 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tac-k-lib 0.3.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3a5949e42e1adc99c2d8c2a466e525872d2b2057f75b26a58126f381284c014
[INFO] running `Command { std: "docker" "start" "-a" "d3a5949e42e1adc99c2d8c2a466e525872d2b2057f75b26a58126f381284c014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3a5949e42e1adc99c2d8c2a466e525872d2b2057f75b26a58126f381284c014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a5949e42e1adc99c2d8c2a466e525872d2b2057f75b26a58126f381284c014", kill_on_drop: false }`
[INFO] [stdout] d3a5949e42e1adc99c2d8c2a466e525872d2b2057f75b26a58126f381284c014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb22306adf11e6bb072ab85c64f909a3576c051cbb76aa12551fba9c270c85b0
[INFO] running `Command { std: "docker" "start" "-a" "fb22306adf11e6bb072ab85c64f909a3576c051cbb76aa12551fba9c270c85b0", 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 0.79s
[INFO] running `Command { std: "docker" "inspect" "fb22306adf11e6bb072ab85c64f909a3576c051cbb76aa12551fba9c270c85b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb22306adf11e6bb072ab85c64f909a3576c051cbb76aa12551fba9c270c85b0", kill_on_drop: false }`
[INFO] [stdout] fb22306adf11e6bb072ab85c64f909a3576c051cbb76aa12551fba9c270c85b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7ae3905c5c51f6a1b7b8da168f15a3246df6918abfdf0ccfa8fe70248ba90bd
[INFO] running `Command { std: "docker" "start" "-a" "a7ae3905c5c51f6a1b7b8da168f15a3246df6918abfdf0ccfa8fe70248ba90bd", 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 0.68s
[INFO] running `Command { std: "docker" "inspect" "a7ae3905c5c51f6a1b7b8da168f15a3246df6918abfdf0ccfa8fe70248ba90bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ae3905c5c51f6a1b7b8da168f15a3246df6918abfdf0ccfa8fe70248ba90bd", kill_on_drop: false }`
[INFO] [stdout] a7ae3905c5c51f6a1b7b8da168f15a3246df6918abfdf0ccfa8fe70248ba90bd
