[INFO] cloning repository https://github.com/johnvtan/youdontmatterworry [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnvtan/youdontmatterworry" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnvtan%2Fyoudontmatterworry"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnvtan%2Fyoudontmatterworry'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 79efe15c8da0101e400691d5554036aea7025c55 [INFO] checking johnvtan/youdontmatterworry against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnvtan%2Fyoudontmatterworry" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/johnvtan/youdontmatterworry on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/johnvtan/youdontmatterworry [INFO] finished tweaking git repo https://github.com/johnvtan/youdontmatterworry [INFO] tweaked toml for git repo https://github.com/johnvtan/youdontmatterworry written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/johnvtan/youdontmatterworry already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 4b7b227c10b77c6a0737a47045074d246cba06b60f0fc7d90a38e33d41be49bb [INFO] running `"docker" "start" "-a" "4b7b227c10b77c6a0737a47045074d246cba06b60f0fc7d90a38e33d41be49bb"` [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking serde_json v0.9.10 [INFO] [stderr] Checking sentiment v0.1.1 [INFO] [stderr] Checking youdontmatterworry v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | for i in 0..100 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | for i in 0..100 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.72s [INFO] running `"docker" "inspect" "4b7b227c10b77c6a0737a47045074d246cba06b60f0fc7d90a38e33d41be49bb"` [INFO] running `"docker" "rm" "-f" "4b7b227c10b77c6a0737a47045074d246cba06b60f0fc7d90a38e33d41be49bb"` [INFO] [stdout] 4b7b227c10b77c6a0737a47045074d246cba06b60f0fc7d90a38e33d41be49bb