[INFO] fetching crate a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db 1.0.1...
[INFO] checking a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db-1.0.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db 1.0.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db 1.0.1 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 a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db 1.0.1
[INFO] finished tweaking crates.io crate a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db 1.0.1
[INFO] tweaked toml for crates.io crate a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db 1.0.1 written to /workspace/builds/worker-15/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded acc0b4b538847b06fe3f88cca794d6e7cc5585bfd7e71ecbf1e86758f v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 9b2ab5c975ecd7ad0bf08ec79f77ad51334d5d2ccf889c8f7f05e02e5ce8d286
[INFO] running `Command { std: "docker" "start" "-a" "9b2ab5c975ecd7ad0bf08ec79f77ad51334d5d2ccf889c8f7f05e02e5ce8d286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b2ab5c975ecd7ad0bf08ec79f77ad51334d5d2ccf889c8f7f05e02e5ce8d286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2ab5c975ecd7ad0bf08ec79f77ad51334d5d2ccf889c8f7f05e02e5ce8d286", kill_on_drop: false }`
[INFO] [stdout] 9b2ab5c975ecd7ad0bf08ec79f77ad51334d5d2ccf889c8f7f05e02e5ce8d286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 67e5d6fed976f39fd54f8987e441727188db6bf483419489eb9b62154913f8fd
[INFO] running `Command { std: "docker" "start" "-a" "67e5d6fed976f39fd54f8987e441727188db6bf483419489eb9b62154913f8fd", kill_on_drop: false }`
[INFO] [stderr]     Checking acc0b4b538847b06fe3f88cca794d6e7cc5585bfd7e71ecbf1e86758f v1.0.1
[INFO] [stderr]     Checking a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db v1.0.1 (/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: 1 warning emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "67e5d6fed976f39fd54f8987e441727188db6bf483419489eb9b62154913f8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e5d6fed976f39fd54f8987e441727188db6bf483419489eb9b62154913f8fd", kill_on_drop: false }`
[INFO] [stdout] 67e5d6fed976f39fd54f8987e441727188db6bf483419489eb9b62154913f8fd