[INFO] fetching crate chachacha 0.4.0...
[INFO] checking chachacha-0.4.0 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate chachacha 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate chachacha 0.4.0
[INFO] finished tweaking crates.io crate chachacha 0.4.0
[INFO] tweaked toml for crates.io crate chachacha 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate chachacha 0.4.0 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 chachacha 0.4.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] de20fcb5ce0996e9f30efead09f0b161366f63ee46ac79ec9e4e4d82e6faa0e3
[INFO] running `Command { std: "docker" "start" "-a" "de20fcb5ce0996e9f30efead09f0b161366f63ee46ac79ec9e4e4d82e6faa0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de20fcb5ce0996e9f30efead09f0b161366f63ee46ac79ec9e4e4d82e6faa0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de20fcb5ce0996e9f30efead09f0b161366f63ee46ac79ec9e4e4d82e6faa0e3", kill_on_drop: false }`
[INFO] [stdout] de20fcb5ce0996e9f30efead09f0b161366f63ee46ac79ec9e4e4d82e6faa0e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9c9b986570e20b340a31d008e479599642d056aca055fff1babd52b36f05996f
[INFO] running `Command { std: "docker" "start" "-a" "9c9b986570e20b340a31d008e479599642d056aca055fff1babd52b36f05996f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking chachacha v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Matrix` is never constructed
[INFO] [stdout]  --> src/backends/soft.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Matrix {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: union `InternalMatrix` is never used
[INFO] [stdout]   --> src/backends/soft.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | union InternalMatrix {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `quarter_round` is never used
[INFO] [stdout]   --> src/backends/soft.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Matrix {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 34 |     #[inline]
[INFO] [stdout] 35 |     fn quarter_round(&mut self, a: usize, b: usize, c: usize, d: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "9c9b986570e20b340a31d008e479599642d056aca055fff1babd52b36f05996f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9b986570e20b340a31d008e479599642d056aca055fff1babd52b36f05996f", kill_on_drop: false }`
[INFO] [stdout] 9c9b986570e20b340a31d008e479599642d056aca055fff1babd52b36f05996f
