[INFO] fetching crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1...
[INFO] checking a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd-0.0.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1
[INFO] finished tweaking crates.io crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1
[INFO] tweaked toml for crates.io crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c993c26454e69ce9206c50398293f707bad1bb3a58a92df42ba2415a35e3ae9
[INFO] running `Command { std: "docker" "start" "-a" "6c993c26454e69ce9206c50398293f707bad1bb3a58a92df42ba2415a35e3ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c993c26454e69ce9206c50398293f707bad1bb3a58a92df42ba2415a35e3ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c993c26454e69ce9206c50398293f707bad1bb3a58a92df42ba2415a35e3ae9", kill_on_drop: false }`
[INFO] [stdout] 6c993c26454e69ce9206c50398293f707bad1bb3a58a92df42ba2415a35e3ae9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 307aa6ea17d9618ac6725a11e8074f939e7954f66518095cb4b3fdaabd8900e8
[INFO] running `Command { std: "docker" "start" "-a" "307aa6ea17d9618ac6725a11e8074f939e7954f66518095cb4b3fdaabd8900e8", kill_on_drop: false }`
[INFO] [stderr]     Checking a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 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 0.06s
[INFO] running `Command { std: "docker" "inspect" "307aa6ea17d9618ac6725a11e8074f939e7954f66518095cb4b3fdaabd8900e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307aa6ea17d9618ac6725a11e8074f939e7954f66518095cb4b3fdaabd8900e8", kill_on_drop: false }`
[INFO] [stdout] 307aa6ea17d9618ac6725a11e8074f939e7954f66518095cb4b3fdaabd8900e8