[INFO] updating cached repository https://github.com/juggernaut0/snek
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49c64b3de6c848a7253d4c04dc9a5d46b5280139
[INFO] checking juggernaut0/snek against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuggernaut0%2Fsnek" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juggernaut0/snek on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/juggernaut0/snek
[INFO] finished tweaking git repo https://github.com/juggernaut0/snek
[INFO] tweaked toml for git repo https://github.com/juggernaut0/snek written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/juggernaut0/snek already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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] d4c1b48903d99d54b51fefcade4838c22380acbd823b668a69e189db8c047033
[INFO] running `"docker" "start" "-a" "d4c1b48903d99d54b51fefcade4838c22380acbd823b668a69e189db8c047033"`
[INFO] [stderr]     Checking snek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `IDENT`
[INFO] [stderr]    --> src/scanner.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     IDENT,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `STRING`
[INFO] [stderr]    --> src/scanner.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     STRING,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `KEYWORD`
[INFO] [stderr]    --> src/scanner.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     KEYWORD,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SYMBOL`
[INFO] [stderr]    --> src/scanner.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     SYMBOL,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IDENT`
[INFO] [stderr]    --> src/scanner.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     IDENT,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `STRING`
[INFO] [stderr]    --> src/scanner.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     STRING,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `KEYWORD`
[INFO] [stderr]    --> src/scanner.rs:174:5
[INFO] [stderr]     |
[INFO] [stderr] 174 |     KEYWORD,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SYMBOL`
[INFO] [stderr]    --> src/scanner.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 175 |     SYMBOL,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "d4c1b48903d99d54b51fefcade4838c22380acbd823b668a69e189db8c047033"`
[INFO] running `"docker" "rm" "-f" "d4c1b48903d99d54b51fefcade4838c22380acbd823b668a69e189db8c047033"`
[INFO] [stdout] d4c1b48903d99d54b51fefcade4838c22380acbd823b668a69e189db8c047033