[INFO] fetching crate apex 0.1.2...
[INFO] checking apex-0.1.2 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate apex 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate apex 0.1.2 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apex 0.1.2
[INFO] finished tweaking crates.io crate apex 0.1.2
[INFO] tweaked toml for crates.io crate apex 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35135d6683f4e7413b29349a8148c01d42733ca02c507f62fb9da8cde4a1adea
[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" "35135d6683f4e7413b29349a8148c01d42733ca02c507f62fb9da8cde4a1adea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35135d6683f4e7413b29349a8148c01d42733ca02c507f62fb9da8cde4a1adea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35135d6683f4e7413b29349a8148c01d42733ca02c507f62fb9da8cde4a1adea", kill_on_drop: false }`
[INFO] [stdout] 35135d6683f4e7413b29349a8148c01d42733ca02c507f62fb9da8cde4a1adea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed50423afd07291f7540a9f7feb50b423fe1e6dd048a684f4aab907cec86ed13
[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" "ed50423afd07291f7540a9f7feb50b423fe1e6dd048a684f4aab907cec86ed13", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking apex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `thread_lifeline_receiver`
[INFO] [stdout]    --> src/lib.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     thread_lifeline_receiver: Option<Receiver<()>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread_lifeline_receiver`
[INFO] [stdout]    --> src/lib.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     thread_lifeline_receiver: Option<Receiver<()>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 4.49s
[INFO] running `Command { std: "docker" "inspect" "ed50423afd07291f7540a9f7feb50b423fe1e6dd048a684f4aab907cec86ed13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed50423afd07291f7540a9f7feb50b423fe1e6dd048a684f4aab907cec86ed13", kill_on_drop: false }`
[INFO] [stdout] ed50423afd07291f7540a9f7feb50b423fe1e6dd048a684f4aab907cec86ed13