[INFO] updating cached repository juggernaut0/snek
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/juggernaut0/snek
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/juggernaut0/snek" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/juggernaut0/snek"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/juggernaut0/snek'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/juggernaut0/snek" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/juggernaut0/snek"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/juggernaut0/snek'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49c64b3de6c848a7253d4c04dc9a5d46b5280139
[INFO] sha for GitHub repo juggernaut0/snek: 49c64b3de6c848a7253d4c04dc9a5d46b5280139
[INFO] validating manifest of juggernaut0/snek on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of juggernaut0/snek on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing juggernaut0/snek
[INFO] finished frobbing juggernaut0/snek
[INFO] frobbed toml for juggernaut0/snek written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/juggernaut0/snek/Cargo.toml
[INFO] started frobbing juggernaut0/snek
[INFO] finished frobbing juggernaut0/snek
[INFO] frobbed toml for juggernaut0/snek written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/juggernaut0/snek/Cargo.toml
[INFO] crate juggernaut0/snek already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking juggernaut0/snek against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/juggernaut0/snek:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 679e4b0db4d3acde6afe1d0cc34ba5caeb32a052b2b838ac3d62e5b05260d04c
[INFO] running `"docker" "start" "-a" "679e4b0db4d3acde6afe1d0cc34ba5caeb32a052b2b838ac3d62e5b05260d04c"`
[INFO] [stderr]     Checking snek v0.1.0 (/opt/crater/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 1.16s
[INFO] running `"docker" "inspect" "679e4b0db4d3acde6afe1d0cc34ba5caeb32a052b2b838ac3d62e5b05260d04c"`
[INFO] running `"docker" "rm" "-f" "679e4b0db4d3acde6afe1d0cc34ba5caeb32a052b2b838ac3d62e5b05260d04c"`
[INFO] [stdout] 679e4b0db4d3acde6afe1d0cc34ba5caeb32a052b2b838ac3d62e5b05260d04c