[INFO] updating cached repository LinusU/emoji-release
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LinusU/emoji-release
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LinusU/emoji-release" "work/ex/beta-1.38-1/sources/1.37.0/gh/LinusU/emoji-release"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/LinusU/emoji-release'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LinusU/emoji-release" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LinusU/emoji-release"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LinusU/emoji-release'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2a2032b97207c6f950353dc701b17cf795486f8
[INFO] sha for GitHub repo LinusU/emoji-release: e2a2032b97207c6f950353dc701b17cf795486f8
[INFO] validating manifest of LinusU/emoji-release 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 LinusU/emoji-release 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 LinusU/emoji-release
[INFO] finished frobbing LinusU/emoji-release
[INFO] frobbed toml for LinusU/emoji-release written to work/ex/beta-1.38-1/sources/1.37.0/gh/LinusU/emoji-release/Cargo.toml
[INFO] started frobbing LinusU/emoji-release
[INFO] finished frobbing LinusU/emoji-release
[INFO] frobbed toml for LinusU/emoji-release written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LinusU/emoji-release/Cargo.toml
[INFO] crate LinusU/emoji-release 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 LinusU/emoji-release 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/LinusU/emoji-release:/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] 6c32a65df1dc8bf50b2b16f80a42272055d8bb543b69639bcbbf5ed22b068e7a
[INFO] running `"docker" "start" "-a" "6c32a65df1dc8bf50b2b16f80a42272055d8bb543b69639bcbbf5ed22b068e7a"`
[INFO] [stderr]    Compiling emoji-commit-type v0.1.0
[INFO] [stderr]    Compiling cargo-version v0.1.2
[INFO] [stderr]    Compiling emoji-release v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::result`
[INFO] [stderr]  --> src/cargo.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::result;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stdio`
[INFO] [stderr]  --> src/cargo.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::process::{Command, Stdio};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `"docker" "inspect" "6c32a65df1dc8bf50b2b16f80a42272055d8bb543b69639bcbbf5ed22b068e7a"`
[INFO] running `"docker" "rm" "-f" "6c32a65df1dc8bf50b2b16f80a42272055d8bb543b69639bcbbf5ed22b068e7a"`
[INFO] [stdout] 6c32a65df1dc8bf50b2b16f80a42272055d8bb543b69639bcbbf5ed22b068e7a
[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/LinusU/emoji-release:/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] 12418014989b370b7f938fc0a7837278cab171a21bbe63e435ad5299b01e575f
[INFO] running `"docker" "start" "-a" "12418014989b370b7f938fc0a7837278cab171a21bbe63e435ad5299b01e575f"`
[INFO] [stderr]    Compiling emoji-release v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::result`
[INFO] [stderr]  --> src/cargo.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::result;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stdio`
[INFO] [stderr]  --> src/cargo.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::process::{Command, Stdio};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "12418014989b370b7f938fc0a7837278cab171a21bbe63e435ad5299b01e575f"`
[INFO] running `"docker" "rm" "-f" "12418014989b370b7f938fc0a7837278cab171a21bbe63e435ad5299b01e575f"`
[INFO] [stdout] 12418014989b370b7f938fc0a7837278cab171a21bbe63e435ad5299b01e575f
[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/LinusU/emoji-release:/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] 223f76fde6d1b1a7b210f0dc53a3b989dc0c3d0861b8cd49f06e968a3529473e
[INFO] running `"docker" "start" "-a" "223f76fde6d1b1a7b210f0dc53a3b989dc0c3d0861b8cd49f06e968a3529473e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/emoji_release-ff34a077ec50904d
[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" "223f76fde6d1b1a7b210f0dc53a3b989dc0c3d0861b8cd49f06e968a3529473e"`
[INFO] running `"docker" "rm" "-f" "223f76fde6d1b1a7b210f0dc53a3b989dc0c3d0861b8cd49f06e968a3529473e"`
[INFO] [stdout] 223f76fde6d1b1a7b210f0dc53a3b989dc0c3d0861b8cd49f06e968a3529473e