[INFO] fetching crate spawn-editor 0.0.4...
[INFO] checking spawn-editor-0.0.4 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate spawn-editor 0.0.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate spawn-editor 0.0.4 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate spawn-editor 0.0.4
[INFO] finished tweaking crates.io crate spawn-editor 0.0.4
[INFO] tweaked toml for crates.io crate spawn-editor 0.0.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53220ee45e2b7ffbd89ce975a7d03299eaf8a4a8908db861b2e131c44444a421
[INFO] running `"docker" "start" "-a" "53220ee45e2b7ffbd89ce975a7d03299eaf8a4a8908db861b2e131c44444a421"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking default-editor v0.1.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]     Checking thiserror v1.0.18
[INFO] [stderr]     Checking spawn-editor v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         spawn_editor_with_args(&["src/lib.rs"]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.86s
[INFO] running `"docker" "inspect" "53220ee45e2b7ffbd89ce975a7d03299eaf8a4a8908db861b2e131c44444a421"`
[INFO] running `"docker" "rm" "-f" "53220ee45e2b7ffbd89ce975a7d03299eaf8a4a8908db861b2e131c44444a421"`
[INFO] [stdout] 53220ee45e2b7ffbd89ce975a7d03299eaf8a4a8908db861b2e131c44444a421