[INFO] updating cached repository lhjok/Calc-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lhjok/Calc-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lhjok/Calc-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/lhjok/Calc-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lhjok/Calc-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lhjok/Calc-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lhjok/Calc-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lhjok/Calc-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8aacf91511f44b2299cf1456ec9b7d1ab750be72
[INFO] sha for GitHub repo lhjok/Calc-rs: 8aacf91511f44b2299cf1456ec9b7d1ab750be72
[INFO] validating manifest of lhjok/Calc-rs 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 lhjok/Calc-rs 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 lhjok/Calc-rs
[INFO] finished frobbing lhjok/Calc-rs
[INFO] frobbed toml for lhjok/Calc-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/lhjok/Calc-rs/Cargo.toml
[INFO] started frobbing lhjok/Calc-rs
[INFO] finished frobbing lhjok/Calc-rs
[INFO] frobbed toml for lhjok/Calc-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lhjok/Calc-rs/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 lhjok/Calc-rs 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/lhjok/Calc-rs:/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] d74af590f75a853993a1d99d3015c47c0d83a6c3b6e4ecd0be955bfc248bf97d
[INFO] running `"docker" "start" "-a" "d74af590f75a853993a1d99d3015c47c0d83a6c3b6e4ecd0be955bfc248bf97d"`
[INFO] [stderr]    Compiling Calc-rs v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `sign` is never read
[INFO] [stderr]    --> src/main.rs:142:33
[INFO] [stderr]     |
[INFO] [stderr] 142 |                                 sign = b'A';
[INFO] [stderr]     |                                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sign` is never read
[INFO] [stderr]    --> src/main.rs:229:33
[INFO] [stderr]     |
[INFO] [stderr] 229 |                                 sign = b'A';
[INFO] [stderr]     |                                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/main.rs:249:33
[INFO] [stderr]     |
[INFO] [stderr] 249 |                         let mut res: f64 = 0.0;
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/main.rs:275:33
[INFO] [stderr]     |
[INFO] [stderr] 275 |                         let mut res: f64 = 0.0;
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Calc_rs` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `calc_rs`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "d74af590f75a853993a1d99d3015c47c0d83a6c3b6e4ecd0be955bfc248bf97d"`
[INFO] running `"docker" "rm" "-f" "d74af590f75a853993a1d99d3015c47c0d83a6c3b6e4ecd0be955bfc248bf97d"`
[INFO] [stdout] d74af590f75a853993a1d99d3015c47c0d83a6c3b6e4ecd0be955bfc248bf97d
[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/lhjok/Calc-rs:/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] 637da412363d4188c2a930f7a3c49995e6d3777db4b714d2dfa13d3811fc8990
[INFO] running `"docker" "start" "-a" "637da412363d4188c2a930f7a3c49995e6d3777db4b714d2dfa13d3811fc8990"`
[INFO] [stderr]    Compiling Calc-rs v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `sign` is never read
[INFO] [stderr]    --> src/main.rs:142:33
[INFO] [stderr]     |
[INFO] [stderr] 142 |                                 sign = b'A';
[INFO] [stderr]     |                                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sign` is never read
[INFO] [stderr]    --> src/main.rs:229:33
[INFO] [stderr]     |
[INFO] [stderr] 229 |                                 sign = b'A';
[INFO] [stderr]     |                                 ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/main.rs:249:33
[INFO] [stderr]     |
[INFO] [stderr] 249 |                         let mut res: f64 = 0.0;
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/main.rs:275:33
[INFO] [stderr]     |
[INFO] [stderr] 275 |                         let mut res: f64 = 0.0;
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Calc_rs` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `calc_rs`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "637da412363d4188c2a930f7a3c49995e6d3777db4b714d2dfa13d3811fc8990"`
[INFO] running `"docker" "rm" "-f" "637da412363d4188c2a930f7a3c49995e6d3777db4b714d2dfa13d3811fc8990"`
[INFO] [stdout] 637da412363d4188c2a930f7a3c49995e6d3777db4b714d2dfa13d3811fc8990
[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/lhjok/Calc-rs:/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] 430661a8cb3fc39c33490c247ccd84a7e77f66b2fc0341b8c6fcb468277f07ff
[INFO] running `"docker" "start" "-a" "430661a8cb3fc39c33490c247ccd84a7e77f66b2fc0341b8c6fcb468277f07ff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Calc_rs-49410e9266886d80
[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" "430661a8cb3fc39c33490c247ccd84a7e77f66b2fc0341b8c6fcb468277f07ff"`
[INFO] running `"docker" "rm" "-f" "430661a8cb3fc39c33490c247ccd84a7e77f66b2fc0341b8c6fcb468277f07ff"`
[INFO] [stdout] 430661a8cb3fc39c33490c247ccd84a7e77f66b2fc0341b8c6fcb468277f07ff