[INFO] updating cached repository nsg/outline-mirror
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nsg/outline-mirror
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nsg/outline-mirror" "work/ex/beta-1.38-1/sources/1.37.0/gh/nsg/outline-mirror"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nsg/outline-mirror'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nsg/outline-mirror" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsg/outline-mirror"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsg/outline-mirror'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 81eaac606bb5e00cd269986df9e8f74bb62adddd
[INFO] sha for GitHub repo nsg/outline-mirror: 81eaac606bb5e00cd269986df9e8f74bb62adddd
[INFO] validating manifest of nsg/outline-mirror 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 nsg/outline-mirror 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 nsg/outline-mirror
[INFO] finished frobbing nsg/outline-mirror
[INFO] frobbed toml for nsg/outline-mirror written to work/ex/beta-1.38-1/sources/1.37.0/gh/nsg/outline-mirror/Cargo.toml
[INFO] started frobbing nsg/outline-mirror
[INFO] finished frobbing nsg/outline-mirror
[INFO] frobbed toml for nsg/outline-mirror written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nsg/outline-mirror/Cargo.toml
[INFO] crate nsg/outline-mirror 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 nsg/outline-mirror 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nsg/outline-mirror:/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] d42fb1ca354184f1a42770d52daad552a7c164a4035533b132ca468676659c01
[INFO] running `"docker" "start" "-a" "d42fb1ca354184f1a42770d52daad552a7c164a4035533b132ca468676659c01"`
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling outline v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:152:16
[INFO] [stderr]     |
[INFO] [stderr] 152 |             Ok(mut stream) => {
[INFO] [stderr]     |                ----^^^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.28s
[INFO] running `"docker" "inspect" "d42fb1ca354184f1a42770d52daad552a7c164a4035533b132ca468676659c01"`
[INFO] running `"docker" "rm" "-f" "d42fb1ca354184f1a42770d52daad552a7c164a4035533b132ca468676659c01"`
[INFO] [stdout] d42fb1ca354184f1a42770d52daad552a7c164a4035533b132ca468676659c01
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nsg/outline-mirror:/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] e2ca360b0416a23b5a340eef6c953c6d4bb377732be05bd83177bfca34a984a9
[INFO] running `"docker" "start" "-a" "e2ca360b0416a23b5a340eef6c953c6d4bb377732be05bd83177bfca34a984a9"`
[INFO] [stderr]    Compiling outline v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:152:16
[INFO] [stderr]     |
[INFO] [stderr] 152 |             Ok(mut stream) => {
[INFO] [stderr]     |                ----^^^^^^
[INFO] [stderr]     |                |
[INFO] [stderr]     |                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "e2ca360b0416a23b5a340eef6c953c6d4bb377732be05bd83177bfca34a984a9"`
[INFO] running `"docker" "rm" "-f" "e2ca360b0416a23b5a340eef6c953c6d4bb377732be05bd83177bfca34a984a9"`
[INFO] [stdout] e2ca360b0416a23b5a340eef6c953c6d4bb377732be05bd83177bfca34a984a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nsg/outline-mirror:/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] b36154035f4a2dd8c0ba14f762fb480cdca87a1793cef52be7219848c1129b09
[INFO] running `"docker" "start" "-a" "b36154035f4a2dd8c0ba14f762fb480cdca87a1793cef52be7219848c1129b09"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/outline-4823d26626fe0ba5
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test config::tests::parse_command ... ok
[INFO] [stdout] test config::tests::conf_test_found ... ok
[INFO] [stdout] test config::tests::conf_test_default ... ok
[INFO] [stdout] test git::tests::clone_repo_command ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b36154035f4a2dd8c0ba14f762fb480cdca87a1793cef52be7219848c1129b09"`
[INFO] running `"docker" "rm" "-f" "b36154035f4a2dd8c0ba14f762fb480cdca87a1793cef52be7219848c1129b09"`
[INFO] [stdout] b36154035f4a2dd8c0ba14f762fb480cdca87a1793cef52be7219848c1129b09