[INFO] crate namable_closures 0.2.4 is already in cache
[INFO] checking namable_closures-0.2.4 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate namable_closures 0.2.4 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate namable_closures 0.2.4 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate namable_closures 0.2.4
[INFO] finished tweaking crates.io crate namable_closures 0.2.4
[INFO] tweaked toml for crates.io crate namable_closures 0.2.4 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] bf42013339e026d3136de3799906b42b5100d5edce5b401b9d707fb2c9d4f380
[INFO] running `"docker" "start" "-a" "bf42013339e026d3136de3799906b42b5100d5edce5b401b9d707fb2c9d4f380"`
[INFO] [stderr]     Checking namable_closures v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ClosureMutRec`
[INFO] [stderr]    --> src/closure_rec.rs:251:34
[INFO] [stderr]     |
[INFO] [stderr] 251 |     use closure_rec::{ClosureRec,ClosureMutRec};
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StableFnMut`
[INFO] [stderr]    --> src/closure_rec.rs:252:30
[INFO] [stderr]     |
[INFO] [stderr] 252 |     use stable_fn::{StableFn,StableFnMut};
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `state`
[INFO] [stderr]   --> src/closure_rec.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     state: &'a mut State
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/closure_rec.rs:269:21
[INFO] [stderr]     |
[INFO] [stderr] 269 |                     n => me.call_with_state((i1,i0+i1), (i-1,))
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `state`
[INFO] [stderr]   --> src/closure_rec.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     state: &'a mut State
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "bf42013339e026d3136de3799906b42b5100d5edce5b401b9d707fb2c9d4f380"`
[INFO] running `"docker" "rm" "-f" "bf42013339e026d3136de3799906b42b5100d5edce5b401b9d707fb2c9d4f380"`
[INFO] [stdout] bf42013339e026d3136de3799906b42b5100d5edce5b401b9d707fb2c9d4f380