[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/beta-1.38-1/sources/1.37.0/gh/yishn/Kalk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yishn/Kalk'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yishn/Kalk" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yishn/Kalk"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yishn/Kalk on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/yishn/Kalk/Cargo.toml
[INFO] crate yishn/Kalk already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing yishn/Kalk against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4e7304c1df27898d4b79a384022688c77d8b15194cc8d747a809c13d0800f1d1
[INFO] running `"docker" "start" "-a" "4e7304c1df27898d4b79a384022688c77d8b15194cc8d747a809c13d0800f1d1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 11.56s
[INFO] running `"docker" "inspect" "4e7304c1df27898d4b79a384022688c77d8b15194cc8d747a809c13d0800f1d1"`
[INFO] running `"docker" "rm" "-f" "4e7304c1df27898d4b79a384022688c77d8b15194cc8d747a809c13d0800f1d1"`
[INFO] [stdout] 4e7304c1df27898d4b79a384022688c77d8b15194cc8d747a809c13d0800f1d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a7c870298c4175add7df8dc3af4871a1813d7a228a51278251f5a57472e359ff
[INFO] running `"docker" "start" "-a" "a7c870298c4175add7df8dc3af4871a1813d7a228a51278251f5a57472e359ff"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `"docker" "inspect" "a7c870298c4175add7df8dc3af4871a1813d7a228a51278251f5a57472e359ff"`
[INFO] running `"docker" "rm" "-f" "a7c870298c4175add7df8dc3af4871a1813d7a228a51278251f5a57472e359ff"`
[INFO] [stdout] a7c870298c4175add7df8dc3af4871a1813d7a228a51278251f5a57472e359ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1f603f9d0f75c02374816320a036dc82e97683a144f64021c7e3abef5006eda8
[INFO] running `"docker" "start" "-a" "1f603f9d0f75c02374816320a036dc82e97683a144f64021c7e3abef5006eda8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kalk-0fb3870ffb44ccda
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parse_simple_statement ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kalk
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1f603f9d0f75c02374816320a036dc82e97683a144f64021c7e3abef5006eda8"`
[INFO] running `"docker" "rm" "-f" "1f603f9d0f75c02374816320a036dc82e97683a144f64021c7e3abef5006eda8"`
[INFO] [stdout] 1f603f9d0f75c02374816320a036dc82e97683a144f64021c7e3abef5006eda8