[INFO] updating cached repository slme9364/today-github-contributions
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/slme9364/today-github-contributions
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/slme9364/today-github-contributions" "work/ex/beta-1.38-1/sources/1.37.0/gh/slme9364/today-github-contributions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/slme9364/today-github-contributions'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/slme9364/today-github-contributions" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slme9364/today-github-contributions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slme9364/today-github-contributions'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88fb582f9c5e43bb5f26308eacab4de280432c6a
[INFO] sha for GitHub repo slme9364/today-github-contributions: 88fb582f9c5e43bb5f26308eacab4de280432c6a
[INFO] validating manifest of slme9364/today-github-contributions 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 slme9364/today-github-contributions 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 slme9364/today-github-contributions
[INFO] finished frobbing slme9364/today-github-contributions
[INFO] frobbed toml for slme9364/today-github-contributions written to work/ex/beta-1.38-1/sources/1.37.0/gh/slme9364/today-github-contributions/Cargo.toml
[INFO] started frobbing slme9364/today-github-contributions
[INFO] finished frobbing slme9364/today-github-contributions
[INFO] frobbed toml for slme9364/today-github-contributions written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/slme9364/today-github-contributions/Cargo.toml
[INFO] crate slme9364/today-github-contributions 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 slme9364/today-github-contributions 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/slme9364/today-github-contributions:/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] 3dad601ffa7766a7d20093d08b7574ad6ae5f1b78ca6375e354d82347547523e
[INFO] running `"docker" "start" "-a" "3dad601ffa7766a7d20093d08b7574ad6ae5f1b78ca6375e354d82347547523e"`
[INFO] [stderr]    Compiling today-github-contributions v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "3dad601ffa7766a7d20093d08b7574ad6ae5f1b78ca6375e354d82347547523e"`
[INFO] running `"docker" "rm" "-f" "3dad601ffa7766a7d20093d08b7574ad6ae5f1b78ca6375e354d82347547523e"`
[INFO] [stdout] 3dad601ffa7766a7d20093d08b7574ad6ae5f1b78ca6375e354d82347547523e
[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/slme9364/today-github-contributions:/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] 7baeaecf66f6bead2e4418d9a83f26332935b8a6b2271ab8e9dcdde1d4149739
[INFO] running `"docker" "start" "-a" "7baeaecf66f6bead2e4418d9a83f26332935b8a6b2271ab8e9dcdde1d4149739"`
[INFO] [stderr]    Compiling today-github-contributions v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "7baeaecf66f6bead2e4418d9a83f26332935b8a6b2271ab8e9dcdde1d4149739"`
[INFO] running `"docker" "rm" "-f" "7baeaecf66f6bead2e4418d9a83f26332935b8a6b2271ab8e9dcdde1d4149739"`
[INFO] [stdout] 7baeaecf66f6bead2e4418d9a83f26332935b8a6b2271ab8e9dcdde1d4149739
[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/slme9364/today-github-contributions:/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] e2f5b5dc2de5426e534f76bc4a2369b18a98e3c087e13a628767144244933dca
[INFO] running `"docker" "start" "-a" "e2f5b5dc2de5426e534f76bc4a2369b18a98e3c087e13a628767144244933dca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/today_github_contributions-a27f3c680f4a9f7e
[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" "e2f5b5dc2de5426e534f76bc4a2369b18a98e3c087e13a628767144244933dca"`
[INFO] running `"docker" "rm" "-f" "e2f5b5dc2de5426e534f76bc4a2369b18a98e3c087e13a628767144244933dca"`
[INFO] [stdout] e2f5b5dc2de5426e534f76bc4a2369b18a98e3c087e13a628767144244933dca