[INFO] updating cached repository collinmurch/snip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/collinmurch/snip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/collinmurch/snip" "work/ex/beta-1.38-1/sources/1.37.0/gh/collinmurch/snip"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/collinmurch/snip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/collinmurch/snip" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/collinmurch/snip"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/collinmurch/snip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6541718e62b9a55646ea9cd5bf7088a6e84964eb
[INFO] sha for GitHub repo collinmurch/snip: 6541718e62b9a55646ea9cd5bf7088a6e84964eb
[INFO] validating manifest of collinmurch/snip 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 collinmurch/snip 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 collinmurch/snip
[INFO] finished frobbing collinmurch/snip
[INFO] frobbed toml for collinmurch/snip written to work/ex/beta-1.38-1/sources/1.37.0/gh/collinmurch/snip/Cargo.toml
[INFO] started frobbing collinmurch/snip
[INFO] finished frobbing collinmurch/snip
[INFO] frobbed toml for collinmurch/snip written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/collinmurch/snip/Cargo.toml
[INFO] crate collinmurch/snip 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 collinmurch/snip 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-0/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/collinmurch/snip:/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] 16418d0a3d5bb482a5e058f6c49c30ea9185e6e3ad2cefc6135a7a472f88931c
[INFO] running `"docker" "start" "-a" "16418d0a3d5bb482a5e058f6c49c30ea9185e6e3ad2cefc6135a7a472f88931c"`
[INFO] [stderr]    Compiling snip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     flag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "16418d0a3d5bb482a5e058f6c49c30ea9185e6e3ad2cefc6135a7a472f88931c"`
[INFO] running `"docker" "rm" "-f" "16418d0a3d5bb482a5e058f6c49c30ea9185e6e3ad2cefc6135a7a472f88931c"`
[INFO] [stdout] 16418d0a3d5bb482a5e058f6c49c30ea9185e6e3ad2cefc6135a7a472f88931c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/collinmurch/snip:/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] 9f1c35efe4238e97dae2019af281f55cac5ab2d9a8268addbbe26aeca476c2ea
[INFO] running `"docker" "start" "-a" "9f1c35efe4238e97dae2019af281f55cac5ab2d9a8268addbbe26aeca476c2ea"`
[INFO] [stderr]    Compiling snip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `flag`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     flag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "9f1c35efe4238e97dae2019af281f55cac5ab2d9a8268addbbe26aeca476c2ea"`
[INFO] running `"docker" "rm" "-f" "9f1c35efe4238e97dae2019af281f55cac5ab2d9a8268addbbe26aeca476c2ea"`
[INFO] [stdout] 9f1c35efe4238e97dae2019af281f55cac5ab2d9a8268addbbe26aeca476c2ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/collinmurch/snip:/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] 2645b4475ac1f29310cef59fa9125d4efd4b7b9086a631c57b2dcbfe616e19b9
[INFO] running `"docker" "start" "-a" "2645b4475ac1f29310cef59fa9125d4efd4b7b9086a631c57b2dcbfe616e19b9"`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snip-e750f412d4039bf0
[INFO] running `"docker" "inspect" "2645b4475ac1f29310cef59fa9125d4efd4b7b9086a631c57b2dcbfe616e19b9"`
[INFO] running `"docker" "rm" "-f" "2645b4475ac1f29310cef59fa9125d4efd4b7b9086a631c57b2dcbfe616e19b9"`
[INFO] [stdout] 2645b4475ac1f29310cef59fa9125d4efd4b7b9086a631c57b2dcbfe616e19b9