[INFO] crate tsk_lib 0.0.0 is already in cache
[INFO] checking tsk_lib-0.0.0 against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] extracting crate tsk_lib 0.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tsk_lib 0.0.0 on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tsk_lib 0.0.0
[INFO] finished tweaking crates.io crate tsk_lib 0.0.0
[INFO] tweaked toml for crates.io crate tsk_lib 0.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] 6161ab669093bf4a6a3789b39add101cd3aa2b507e8853f022a41e6ffa25cad6
[INFO] running `"docker" "start" "-a" "6161ab669093bf4a6a3789b39add101cd3aa2b507e8853f022a41e6ffa25cad6"`
[INFO] [stderr]     Checking tsk_lib v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `InfixExpression`
[INFO] [stderr]   --> src/list.rs:23:30
[INFO] [stderr]    |
[INFO] [stderr] 23 | use query::ast::{Expression, InfixExpression, AST};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `InfixExpression`
[INFO] [stderr]   --> src/list.rs:23:30
[INFO] [stderr]    |
[INFO] [stderr] 23 | use query::ast::{Expression, InfixExpression, AST};
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exp`
[INFO] [stderr]    --> src/list.rs:142:31
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn eval<'a>(&'a mut self, exp: Expression) -> Vec<&'a Task> {
[INFO] [stderr]     |                               ^^^ help: consider prefixing with an underscore: `_exp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `exp`
[INFO] [stderr]    --> src/list.rs:142:31
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn eval<'a>(&'a mut self, exp: Expression) -> Vec<&'a Task> {
[INFO] [stderr]     |                               ^^^ help: consider prefixing with an underscore: `_exp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `"docker" "inspect" "6161ab669093bf4a6a3789b39add101cd3aa2b507e8853f022a41e6ffa25cad6"`
[INFO] running `"docker" "rm" "-f" "6161ab669093bf4a6a3789b39add101cd3aa2b507e8853f022a41e6ffa25cad6"`
[INFO] [stdout] 6161ab669093bf4a6a3789b39add101cd3aa2b507e8853f022a41e6ffa25cad6