[INFO] fetching crate a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db 1.0.1...
[INFO] checking a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db-1.0.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db 1.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate a9742eefab52d8d7fc22d33429fa08ad68a7b7f880f087d1f4543b7db 1.0.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5d236ecf07735fce6ed93fdf9aa3c47a6aa95383318fb4ed02681ac0d091758
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f5d236ecf07735fce6ed93fdf9aa3c47a6aa95383318fb4ed02681ac0d091758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5d236ecf07735fce6ed93fdf9aa3c47a6aa95383318fb4ed02681ac0d091758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d236ecf07735fce6ed93fdf9aa3c47a6aa95383318fb4ed02681ac0d091758", kill_on_drop: false }`
[INFO] [stdout] f5d236ecf07735fce6ed93fdf9aa3c47a6aa95383318fb4ed02681ac0d091758
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e0a0c16789c5ae6036ea3668b21c48828755f75bf864dc1048e72b9c01afd19
[INFO] running `Command { std: "docker" "start" "-a" "1e0a0c16789c5ae6036ea3668b21c48828755f75bf864dc1048e72b9c01afd19", 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: 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 0.34s
[INFO] running `Command { std: "docker" "inspect" "1e0a0c16789c5ae6036ea3668b21c48828755f75bf864dc1048e72b9c01afd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0a0c16789c5ae6036ea3668b21c48828755f75bf864dc1048e72b9c01afd19", kill_on_drop: false }`
[INFO] [stdout] 1e0a0c16789c5ae6036ea3668b21c48828755f75bf864dc1048e72b9c01afd19