[INFO] updating cached repository https://github.com/jazz-lang/Jazz
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/jazz-lang/Jazz
[INFO] [stderr]    24d61a7..61fe3be  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 61fe3be75d806106d3a232e2db01b665fbbe65b3
[INFO] checking jazz-lang/Jazz against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jazz-lang/Jazz on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jazz-lang/Jazz
[INFO] finished tweaking git repo https://github.com/jazz-lang/Jazz
[INFO] tweaked toml for git repo https://github.com/jazz-lang/Jazz written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jazz-lang/Jazz already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 5ca0aa03f3ff2352b0f7ef165b51408d08ec70ee6a4efedbae3885d1d4f5f0c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5ca0aa03f3ff2352b0f7ef165b51408d08ec70ee6a4efedbae3885d1d4f5f0c4"`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::*`
[INFO] [stderr]  --> src/ast/token.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::*`
[INFO] [stderr]  --> src/ast/token.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.44s
[INFO] running `"docker" "inspect" "5ca0aa03f3ff2352b0f7ef165b51408d08ec70ee6a4efedbae3885d1d4f5f0c4"`
[INFO] running `"docker" "rm" "-f" "5ca0aa03f3ff2352b0f7ef165b51408d08ec70ee6a4efedbae3885d1d4f5f0c4"`
[INFO] [stdout] 5ca0aa03f3ff2352b0f7ef165b51408d08ec70ee6a4efedbae3885d1d4f5f0c4