[INFO] crate tsk_lib 0.0.0 is already in cache
[INFO] checking tsk_lib-0.0.0 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate tsk_lib 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tsk_lib 0.0.0 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 2b9f108a678d2e859ce6550c7e5d5e3e1aa1f9b448956325b6d41e2e5edd4b98
[INFO] running `"docker" "start" "-a" "2b9f108a678d2e859ce6550c7e5d5e3e1aa1f9b448956325b6d41e2e5edd4b98"`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_exp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "2b9f108a678d2e859ce6550c7e5d5e3e1aa1f9b448956325b6d41e2e5edd4b98"`
[INFO] running `"docker" "rm" "-f" "2b9f108a678d2e859ce6550c7e5d5e3e1aa1f9b448956325b6d41e2e5edd4b98"`
[INFO] [stdout] 2b9f108a678d2e859ce6550c7e5d5e3e1aa1f9b448956325b6d41e2e5edd4b98