[INFO] cloning repository hyena/gnoll-roll
[INFO] running `"git" "clone" "--bare" "git://github.com/hyena/gnoll-roll.git" "work/cache/sources/gh/hyena/gnoll-roll"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/hyena/gnoll-roll'...
[INFO] running `"git" "clone" "work/cache/sources/gh/hyena/gnoll-roll" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/hyena/gnoll-roll"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/hyena/gnoll-roll'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hyena/gnoll-roll" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/hyena/gnoll-roll"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/hyena/gnoll-roll'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c0a4f70aed0348788f4173b862e657325c73965
[INFO] sha for GitHub repo hyena/gnoll-roll: 8c0a4f70aed0348788f4173b862e657325c73965
[INFO] validating manifest of hyena/gnoll-roll on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hyena/gnoll-roll on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hyena/gnoll-roll
[INFO] finished frobbing hyena/gnoll-roll
[INFO] frobbed toml for hyena/gnoll-roll written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/hyena/gnoll-roll/Cargo.toml
[INFO] started frobbing hyena/gnoll-roll
[INFO] finished frobbing hyena/gnoll-roll
[INFO] frobbed toml for hyena/gnoll-roll written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/hyena/gnoll-roll/Cargo.toml
[INFO] crate hyena/gnoll-roll already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hyena/gnoll-roll against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/hyena/gnoll-roll:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4627ab47994ffff81eb967f1b26ac192faea6945022dbb6888357d13443fa6cd
[INFO] running `"docker" "start" "-a" "4627ab47994ffff81eb967f1b26ac192faea6945022dbb6888357d13443fa6cd"`
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]     Checking evzht9h3nznqzwl v0.0.3
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking serenity v0.5.14
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking gnoll-roll v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             msg.reply(&format!("`{}` {}", args.full(), &result_str));
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             msg.reply("Bad format.");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             msg.reply(&format!("`{}` {}", args.full(), &result_str));
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             msg.reply("Bad format.");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.28s
[INFO] running `"docker" "inspect" "4627ab47994ffff81eb967f1b26ac192faea6945022dbb6888357d13443fa6cd"`
[INFO] running `"docker" "rm" "-f" "4627ab47994ffff81eb967f1b26ac192faea6945022dbb6888357d13443fa6cd"`
[INFO] [stdout] 4627ab47994ffff81eb967f1b26ac192faea6945022dbb6888357d13443fa6cd