[INFO] fetching crate track8-program 1.0.0...
[INFO] checking track8-program-1.0.0 against nightly-2019-10-27 for pr-65897
[INFO] extracting crate track8-program 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate track8-program 1.0.0 on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate track8-program 1.0.0
[INFO] finished tweaking crates.io crate track8-program 1.0.0
[INFO] tweaked toml for crates.io crate track8-program 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "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=allow" "-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" "+nightly-2019-10-27" "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] 9c342a988a6e03358bcbc9fc899380941aa2fbfb7c6f3c63c455b38a9bf01d08
[INFO] running `"docker" "start" "-a" "9c342a988a6e03358bcbc9fc899380941aa2fbfb7c6f3c63c455b38a9bf01d08"`
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling derive_more v0.9.0
[INFO] [stderr]     Checking track8-program v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find value `let_s` in this scope
[INFO] [stderr]  --> src/test.rs:4:80
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn cst_to_string_invalid(){let v:Vec<C>=vec![C::N(4000000)];let c:CSt=v.into();let_s=c.to_string();}
[INFO] [stderr]   |                                                                                ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `track8-program`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9c342a988a6e03358bcbc9fc899380941aa2fbfb7c6f3c63c455b38a9bf01d08"`
[INFO] running `"docker" "rm" "-f" "9c342a988a6e03358bcbc9fc899380941aa2fbfb7c6f3c63c455b38a9bf01d08"`
[INFO] [stdout] 9c342a988a6e03358bcbc9fc899380941aa2fbfb7c6f3c63c455b38a9bf01d08