[INFO] fetching crate fltk 0.5.5...
[INFO] checking fltk-0.5.5 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate fltk 0.5.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fltk 0.5.5 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fltk 0.5.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fltk 0.5.5
[INFO] tweaked toml for crates.io crate fltk 0.5.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate fltk 0.5.5 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] a718d70f290919118e4736d9d5711ec10954b209b5a1baa7408a45548de6ccb7
[INFO] running `"docker" "start" "-a" "a718d70f290919118e4736d9d5711ec10954b209b5a1baa7408a45548de6ccb7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling fltk-sys v0.5.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling fltk-derive v0.5.5
[INFO] [stderr]     Checking fltk v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `saved` is never read
[INFO] [stderr]    --> examples/editor.rs:113:40
[INFO] [stderr]     |
[INFO] [stderr] 113 |         .set_callback(Box::new(move || saved = false));
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `saved`
[INFO] [stderr]    --> examples/editor.rs:113:40
[INFO] [stderr]     |
[INFO] [stderr] 113 |         .set_callback(Box::new(move || saved = false));
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = help: did you mean to capture by reference instead?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 21s
[INFO] running `"docker" "inspect" "a718d70f290919118e4736d9d5711ec10954b209b5a1baa7408a45548de6ccb7"`
[INFO] running `"docker" "rm" "-f" "a718d70f290919118e4736d9d5711ec10954b209b5a1baa7408a45548de6ccb7"`
[INFO] [stdout] a718d70f290919118e4736d9d5711ec10954b209b5a1baa7408a45548de6ccb7