[INFO] fetching crate arw_brr 0.1.9...
[INFO] checking arw_brr-0.1.9 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate arw_brr 0.1.9 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate arw_brr 0.1.9 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arw_brr 0.1.9
[INFO] finished tweaking crates.io crate arw_brr 0.1.9
[INFO] tweaked toml for crates.io crate arw_brr 0.1.9 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntapi v0.4.1
[INFO] [stderr]   Downloaded sysinfo v0.27.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1852d1f4f251dcc066c39ffda9d18f6f392deda124f43fcc640c1e8c247fcbac
[INFO] running `Command { std: "docker" "start" "-a" "1852d1f4f251dcc066c39ffda9d18f6f392deda124f43fcc640c1e8c247fcbac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1852d1f4f251dcc066c39ffda9d18f6f392deda124f43fcc640c1e8c247fcbac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1852d1f4f251dcc066c39ffda9d18f6f392deda124f43fcc640c1e8c247fcbac", kill_on_drop: false }`
[INFO] [stdout] 1852d1f4f251dcc066c39ffda9d18f6f392deda124f43fcc640c1e8c247fcbac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d323fa6d0e6def41349780c08c3babebfbf70cc15866a79d88086bbc48528183
[INFO] running `Command { std: "docker" "start" "-a" "d323fa6d0e6def41349780c08c3babebfbf70cc15866a79d88086bbc48528183", kill_on_drop: false }`
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking sysinfo v0.27.8
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking arw_brr v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for (index, arg) in args.iter().enumerate() {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     for (index, arg) in args.iter().enumerate() {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d323fa6d0e6def41349780c08c3babebfbf70cc15866a79d88086bbc48528183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d323fa6d0e6def41349780c08c3babebfbf70cc15866a79d88086bbc48528183", kill_on_drop: false }`
[INFO] [stdout] d323fa6d0e6def41349780c08c3babebfbf70cc15866a79d88086bbc48528183
