[INFO] fetching crate lrk 0.1.3...
[INFO] checking lrk-0.1.3 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate lrk 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate lrk 0.1.3
[INFO] finished tweaking crates.io crate lrk 0.1.3
[INFO] tweaked toml for crates.io crate lrk 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lrk 0.1.3 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lrk 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e49c6309fe736f34ba190dad9d651daad5c10a9b7fc92c2083e70169731e356
[INFO] running `Command { std: "docker" "start" "-a" "2e49c6309fe736f34ba190dad9d651daad5c10a9b7fc92c2083e70169731e356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e49c6309fe736f34ba190dad9d651daad5c10a9b7fc92c2083e70169731e356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e49c6309fe736f34ba190dad9d651daad5c10a9b7fc92c2083e70169731e356", kill_on_drop: false }`
[INFO] [stdout] 2e49c6309fe736f34ba190dad9d651daad5c10a9b7fc92c2083e70169731e356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbdbdb2604402c0cba0129ddadca8fa83fcba82dcca7573f1fc36531e36a2410
[INFO] running `Command { std: "docker" "start" "-a" "bbdbdb2604402c0cba0129ddadca8fa83fcba82dcca7573f1fc36531e36a2410", kill_on_drop: false }`
[INFO] [stderr]    Compiling lrk v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Get` is never used
[INFO] [stdout]  --> tests/trait_reference.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |         trait Get<'a> {
[INFO] [stdout]   |               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Constraints` is never used
[INFO] [stdout]   --> tests/trait_reference.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |         trait Constraints {}
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "bbdbdb2604402c0cba0129ddadca8fa83fcba82dcca7573f1fc36531e36a2410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdbdb2604402c0cba0129ddadca8fa83fcba82dcca7573f1fc36531e36a2410", kill_on_drop: false }`
[INFO] [stdout] bbdbdb2604402c0cba0129ddadca8fa83fcba82dcca7573f1fc36531e36a2410