[INFO] fetching crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1...
[INFO] checking aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1-0.0.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1
[INFO] finished tweaking crates.io crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1
[INFO] tweaked toml for crates.io crate aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2429c6f5631d92bbae48b10b314c6d98d7352d46d03a11702e4036f13ea6598
[INFO] running `Command { std: "docker" "start" "-a" "c2429c6f5631d92bbae48b10b314c6d98d7352d46d03a11702e4036f13ea6598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2429c6f5631d92bbae48b10b314c6d98d7352d46d03a11702e4036f13ea6598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2429c6f5631d92bbae48b10b314c6d98d7352d46d03a11702e4036f13ea6598", kill_on_drop: false }`
[INFO] [stdout] c2429c6f5631d92bbae48b10b314c6d98d7352d46d03a11702e4036f13ea6598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfcce0806888259df63d32b030f40c89dc5e23989798a976d99b7a006001bfa7
[INFO] running `Command { std: "docker" "start" "-a" "dfcce0806888259df63d32b030f40c89dc5e23989798a976d99b7a006001bfa7", kill_on_drop: false }`
[INFO] [stderr]     Checking aa2d74507d184541926d670b753d6843c0a5ea74dede83ab2d43260fa1 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "dfcce0806888259df63d32b030f40c89dc5e23989798a976d99b7a006001bfa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfcce0806888259df63d32b030f40c89dc5e23989798a976d99b7a006001bfa7", kill_on_drop: false }`
[INFO] [stdout] dfcce0806888259df63d32b030f40c89dc5e23989798a976d99b7a006001bfa7