[INFO] updating cached repository mariosangiorgio/rulox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mariosangiorgio/rulox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mariosangiorgio/rulox" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/mariosangiorgio/rulox"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/mariosangiorgio/rulox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mariosangiorgio/rulox" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/mariosangiorgio/rulox"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/mariosangiorgio/rulox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6019f2ec282420e8b354d8b726f3e403486a80bf
[INFO] sha for GitHub repo mariosangiorgio/rulox: 6019f2ec282420e8b354d8b726f3e403486a80bf
[INFO] validating manifest of mariosangiorgio/rulox on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mariosangiorgio/rulox on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mariosangiorgio/rulox
[INFO] finished frobbing mariosangiorgio/rulox
[INFO] frobbed toml for mariosangiorgio/rulox written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/mariosangiorgio/rulox/Cargo.toml
[INFO] started frobbing mariosangiorgio/rulox
[INFO] finished frobbing mariosangiorgio/rulox
[INFO] frobbed toml for mariosangiorgio/rulox written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/mariosangiorgio/rulox/Cargo.toml
[INFO] crate mariosangiorgio/rulox has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mariosangiorgio/rulox against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-1/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/mariosangiorgio/rulox:/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 03cc5117b7eddbd794b7dc664aac15ebf79d7c4fd4df74f94989b1f871049daa
[INFO] running `"docker" "start" "-a" "03cc5117b7eddbd794b7dc664aac15ebf79d7c4fd4df74f94989b1f871049daa"`
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]    Compiling syn v0.15.14
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking rusty-fork v0.2.1
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking rulox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/treewalk/mod.rs:99:5
[INFO] [stderr]     |
[INFO] [stderr] 99  | /     proptest! {
[INFO] [stderr] 100 | |     #[test]
[INFO] [stderr] 101 | |     fn doesnt_crash(ref input in "\\PC*") {
[INFO] [stderr] 102 | |         let mut lox_vm = TreeWalkRuloxInterpreter::default();
[INFO] [stderr] 103 | |         lox_vm.run(input)
[INFO] [stderr] 104 | |     }
[INFO] [stderr] 105 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/vm/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     proptest! {
[INFO] [stderr] 28 | |     #[test]
[INFO] [stderr] 29 | |     #[ignore]
[INFO] [stderr] 30 | |     fn doesnt_crash(ref input in "\\PC*") {
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     }
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.33s
[INFO] running `"docker" "inspect" "03cc5117b7eddbd794b7dc664aac15ebf79d7c4fd4df74f94989b1f871049daa"`
[INFO] running `"docker" "rm" "-f" "03cc5117b7eddbd794b7dc664aac15ebf79d7c4fd4df74f94989b1f871049daa"`
[INFO] [stdout] 03cc5117b7eddbd794b7dc664aac15ebf79d7c4fd4df74f94989b1f871049daa