[INFO] fetching crate a6cba224ee46541eae2b075d169912e8e81188800a63de3e3cbdce42e 1.0.1...
[INFO] checking a6cba224ee46541eae2b075d169912e8e81188800a63de3e3cbdce42e-1.0.1 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate a6cba224ee46541eae2b075d169912e8e81188800a63de3e3cbdce42e 1.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate a6cba224ee46541eae2b075d169912e8e81188800a63de3e3cbdce42e 1.0.1 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a6cba224ee46541eae2b075d169912e8e81188800a63de3e3cbdce42e 1.0.1
[INFO] finished tweaking crates.io crate a6cba224ee46541eae2b075d169912e8e81188800a63de3e3cbdce42e 1.0.1
[INFO] tweaked toml for crates.io crate a6cba224ee46541eae2b075d169912e8e81188800a63de3e3cbdce42e 1.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb57b97e4a4b6fa064f035fe6b942fc77efdda8300f9b1dc6c12acf5e2a502b4
[INFO] running `Command { std: "docker" "start" "-a" "cb57b97e4a4b6fa064f035fe6b942fc77efdda8300f9b1dc6c12acf5e2a502b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb57b97e4a4b6fa064f035fe6b942fc77efdda8300f9b1dc6c12acf5e2a502b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb57b97e4a4b6fa064f035fe6b942fc77efdda8300f9b1dc6c12acf5e2a502b4", kill_on_drop: false }`
[INFO] [stdout] cb57b97e4a4b6fa064f035fe6b942fc77efdda8300f9b1dc6c12acf5e2a502b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d130220ac8d6ce46fd1238e2dab2ffdb48f4dbaddd792bded17d581ecb389607
[INFO] running `Command { std: "docker" "start" "-a" "d130220ac8d6ce46fd1238e2dab2ffdb48f4dbaddd792bded17d581ecb389607", kill_on_drop: false }`
[INFO] [stderr]     Checking a6cba224ee46541eae2b075d169912e8e81188800a63de3e3cbdce42e 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: 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" "d130220ac8d6ce46fd1238e2dab2ffdb48f4dbaddd792bded17d581ecb389607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d130220ac8d6ce46fd1238e2dab2ffdb48f4dbaddd792bded17d581ecb389607", kill_on_drop: false }`
[INFO] [stdout] d130220ac8d6ce46fd1238e2dab2ffdb48f4dbaddd792bded17d581ecb389607