[INFO] cloning repository https://github.com/grng3r/rust_todo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grng3r/rust_todo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrng3r%2Frust_todo"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrng3r%2Frust_todo'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2594a5d431f5cdd3d04a8599db0f42f74e3d604
[INFO] checking grng3r/rust_todo against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrng3r%2Frust_todo" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/grng3r/rust_todo on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/grng3r/rust_todo
[INFO] finished tweaking git repo https://github.com/grng3r/rust_todo
[INFO] tweaked toml for git repo https://github.com/grng3r/rust_todo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/grng3r/rust_todo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 49c839f94076c918c44fee1a3db6c1236a2f540b6e2ba1c1a8f18513cead4ef5
[INFO] running `"docker" "start" "-a" "49c839f94076c918c44fee1a3db6c1236a2f540b6e2ba1c1a8f18513cead4ef5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking todo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected `[`, found keyword `use`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #!
[INFO] [stderr]   |   - expected `[`
[INFO] [stderr] 2 | use std::{
[INFO] [stderr]   | ^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `todo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected `[`, found keyword `use`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #!
[INFO] [stderr]   |   - expected `[`
[INFO] [stderr] 2 | use std::{
[INFO] [stderr]   | ^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "49c839f94076c918c44fee1a3db6c1236a2f540b6e2ba1c1a8f18513cead4ef5"`
[INFO] running `"docker" "rm" "-f" "49c839f94076c918c44fee1a3db6c1236a2f540b6e2ba1c1a8f18513cead4ef5"`
[INFO] [stdout] 49c839f94076c918c44fee1a3db6c1236a2f540b6e2ba1c1a8f18513cead4ef5