[INFO] updating cached repository na-o-ys/calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/na-o-ys/calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/na-o-ys/calc" "work/ex/beta-1.38-1/sources/1.37.0/gh/na-o-ys/calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/na-o-ys/calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/na-o-ys/calc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/na-o-ys/calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/na-o-ys/calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af6cfbadb5b472052be31ad6539dfa9e58365f92
[INFO] sha for GitHub repo na-o-ys/calc: af6cfbadb5b472052be31ad6539dfa9e58365f92
[INFO] validating manifest of na-o-ys/calc 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 na-o-ys/calc 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 na-o-ys/calc
[INFO] finished frobbing na-o-ys/calc
[INFO] frobbed toml for na-o-ys/calc written to work/ex/beta-1.38-1/sources/1.37.0/gh/na-o-ys/calc/Cargo.toml
[INFO] started frobbing na-o-ys/calc
[INFO] finished frobbing na-o-ys/calc
[INFO] frobbed toml for na-o-ys/calc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/na-o-ys/calc/Cargo.toml
[INFO] crate na-o-ys/calc 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 na-o-ys/calc 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/na-o-ys/calc:/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] 6303c47ebe16659aa35c29a5cef58dcd4b7d6b2fb67203776bf8b1967c935d7b
[INFO] running `"docker" "start" "-a" "6303c47ebe16659aa35c29a5cef58dcd4b7d6b2fb67203776bf8b1967c935d7b"`
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/main.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "6303c47ebe16659aa35c29a5cef58dcd4b7d6b2fb67203776bf8b1967c935d7b"`
[INFO] running `"docker" "rm" "-f" "6303c47ebe16659aa35c29a5cef58dcd4b7d6b2fb67203776bf8b1967c935d7b"`
[INFO] [stdout] 6303c47ebe16659aa35c29a5cef58dcd4b7d6b2fb67203776bf8b1967c935d7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/na-o-ys/calc:/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] b101f0273bc8a95ce8b1b0573422dc8c811327551c3d7e2184d4bb5e02a0d25a
[INFO] running `"docker" "start" "-a" "b101f0273bc8a95ce8b1b0573422dc8c811327551c3d7e2184d4bb5e02a0d25a"`
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/main.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "b101f0273bc8a95ce8b1b0573422dc8c811327551c3d7e2184d4bb5e02a0d25a"`
[INFO] running `"docker" "rm" "-f" "b101f0273bc8a95ce8b1b0573422dc8c811327551c3d7e2184d4bb5e02a0d25a"`
[INFO] [stdout] b101f0273bc8a95ce8b1b0573422dc8c811327551c3d7e2184d4bb5e02a0d25a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/na-o-ys/calc:/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] ead315657306d1ef86605cfbdaa09a43efe9bb7adcbacdad51042a8417694f11
[INFO] running `"docker" "start" "-a" "ead315657306d1ef86605cfbdaa09a43efe9bb7adcbacdad51042a8417694f11"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/calc-b6f9dda5401a0b6e
[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" "ead315657306d1ef86605cfbdaa09a43efe9bb7adcbacdad51042a8417694f11"`
[INFO] running `"docker" "rm" "-f" "ead315657306d1ef86605cfbdaa09a43efe9bb7adcbacdad51042a8417694f11"`
[INFO] [stdout] ead315657306d1ef86605cfbdaa09a43efe9bb7adcbacdad51042a8417694f11