[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b49a0f8a38f1ac5ef04b6ae4a54e2a68214785985bcbbc40998083cde66ead2e
[INFO] running `"docker" "start" "-a" "b49a0f8a38f1ac5ef04b6ae4a54e2a68214785985bcbbc40998083cde66ead2e"`
[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 1.06s
[INFO] running `"docker" "inspect" "b49a0f8a38f1ac5ef04b6ae4a54e2a68214785985bcbbc40998083cde66ead2e"`
[INFO] running `"docker" "rm" "-f" "b49a0f8a38f1ac5ef04b6ae4a54e2a68214785985bcbbc40998083cde66ead2e"`
[INFO] [stdout] b49a0f8a38f1ac5ef04b6ae4a54e2a68214785985bcbbc40998083cde66ead2e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9b2e166fd8d5d7d0a6e1348f90344b56cf66a010151537e00a47094a21a2f8e1
[INFO] running `"docker" "start" "-a" "9b2e166fd8d5d7d0a6e1348f90344b56cf66a010151537e00a47094a21a2f8e1"`
[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 0.73s
[INFO] running `"docker" "inspect" "9b2e166fd8d5d7d0a6e1348f90344b56cf66a010151537e00a47094a21a2f8e1"`
[INFO] running `"docker" "rm" "-f" "9b2e166fd8d5d7d0a6e1348f90344b56cf66a010151537e00a47094a21a2f8e1"`
[INFO] [stdout] 9b2e166fd8d5d7d0a6e1348f90344b56cf66a010151537e00a47094a21a2f8e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b81146aac6ed7bd4a075e749b6eddbca79a73c4c48323751edd511ce58ee8c32
[INFO] running `"docker" "start" "-a" "b81146aac6ed7bd4a075e749b6eddbca79a73c4c48323751edd511ce58ee8c32"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Calc_rs-ac3957a6a03cef21
[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" "b81146aac6ed7bd4a075e749b6eddbca79a73c4c48323751edd511ce58ee8c32"`
[INFO] running `"docker" "rm" "-f" "b81146aac6ed7bd4a075e749b6eddbca79a73c4c48323751edd511ce58ee8c32"`
[INFO] [stdout] b81146aac6ed7bd4a075e749b6eddbca79a73c4c48323751edd511ce58ee8c32