[INFO] updating cached repository yishn/Kalk
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yishn/Kalk
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yishn/Kalk" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/yishn/Kalk"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/yishn/Kalk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yishn/Kalk" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/yishn/Kalk"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/yishn/Kalk'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c45819137eb1d319001a019cde9e967d957cd94
[INFO] sha for GitHub repo yishn/Kalk: 8c45819137eb1d319001a019cde9e967d957cd94
[INFO] validating manifest of yishn/Kalk 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 yishn/Kalk 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 yishn/Kalk
[INFO] finished frobbing yishn/Kalk
[INFO] frobbed toml for yishn/Kalk written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/yishn/Kalk/Cargo.toml
[INFO] started frobbing yishn/Kalk
[INFO] finished frobbing yishn/Kalk
[INFO] frobbed toml for yishn/Kalk written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/yishn/Kalk/Cargo.toml
[INFO] crate yishn/Kalk 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 yishn/Kalk against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-2/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/yishn/Kalk:/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8c2bd62380eeb1c4341b287650ce21fa416998148f021a165568ad095ebfe919
[INFO] running `"docker" "start" "-a" "8c2bd62380eeb1c4341b287650ce21fa416998148f021a165568ad095ebfe919"`
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]     Checking kalk v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new_finite`
[INFO] [stderr]    --> src/types.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn new_finite(start: f64, step: f64, stop: f64) -> ArithmeticProgression {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_infinite`
[INFO] [stderr]    --> src/types.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     fn new_infinite(start: f64, step: f64) -> ArithmeticProgression {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_finite`
[INFO] [stderr]    --> src/types.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     fn new_finite(start: f64, step: f64, stop: f64) -> ArithmeticProgression {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_infinite`
[INFO] [stderr]    --> src/types.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     fn new_infinite(start: f64, step: f64) -> ArithmeticProgression {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.27s
[INFO] running `"docker" "inspect" "8c2bd62380eeb1c4341b287650ce21fa416998148f021a165568ad095ebfe919"`
[INFO] running `"docker" "rm" "-f" "8c2bd62380eeb1c4341b287650ce21fa416998148f021a165568ad095ebfe919"`
[INFO] [stdout] 8c2bd62380eeb1c4341b287650ce21fa416998148f021a165568ad095ebfe919