[INFO] updating cached repository sombrastudios/mover
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sombrastudios/mover
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sombrastudios/mover" "work/ex/beta-1.38-1/sources/1.37.0/gh/sombrastudios/mover"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sombrastudios/mover'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sombrastudios/mover" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sombrastudios/mover"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sombrastudios/mover'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67a534fa857bbc99b80cf4099847f014cfd87ba6
[INFO] sha for GitHub repo sombrastudios/mover: 67a534fa857bbc99b80cf4099847f014cfd87ba6
[INFO] validating manifest of sombrastudios/mover 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 sombrastudios/mover 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 sombrastudios/mover
[INFO] finished frobbing sombrastudios/mover
[INFO] frobbed toml for sombrastudios/mover written to work/ex/beta-1.38-1/sources/1.37.0/gh/sombrastudios/mover/Cargo.toml
[INFO] started frobbing sombrastudios/mover
[INFO] finished frobbing sombrastudios/mover
[INFO] frobbed toml for sombrastudios/mover written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sombrastudios/mover/Cargo.toml
[INFO] crate sombrastudios/mover 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 sombrastudios/mover 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sombrastudios/mover:/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] 67f21a3f05f03edbf21927c5ab5a5e2ea2029c5d180da39ce0c07af579fd604c
[INFO] running `"docker" "start" "-a" "67f21a3f05f03edbf21927c5ab5a5e2ea2029c5d180da39ce0c07af579fd604c"`
[INFO] [stderr]    Compiling mover v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 | /         std::fs::rename(
[INFO] [stderr] 27 | |             file.file_name(),
[INFO] [stderr] 28 | |             &format!(
[INFO] [stderr] 29 | |                 "{}/{}",
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |             ),
[INFO] [stderr] 33 | |         );
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "67f21a3f05f03edbf21927c5ab5a5e2ea2029c5d180da39ce0c07af579fd604c"`
[INFO] running `"docker" "rm" "-f" "67f21a3f05f03edbf21927c5ab5a5e2ea2029c5d180da39ce0c07af579fd604c"`
[INFO] [stdout] 67f21a3f05f03edbf21927c5ab5a5e2ea2029c5d180da39ce0c07af579fd604c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sombrastudios/mover:/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] 6b37a209626c7bd07ac2fecbcb921929db0f4a85994591d09b1c61f5d6c343f8
[INFO] running `"docker" "start" "-a" "6b37a209626c7bd07ac2fecbcb921929db0f4a85994591d09b1c61f5d6c343f8"`
[INFO] [stderr]    Compiling mover v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 | /         std::fs::rename(
[INFO] [stderr] 27 | |             file.file_name(),
[INFO] [stderr] 28 | |             &format!(
[INFO] [stderr] 29 | |                 "{}/{}",
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |             ),
[INFO] [stderr] 33 | |         );
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "6b37a209626c7bd07ac2fecbcb921929db0f4a85994591d09b1c61f5d6c343f8"`
[INFO] running `"docker" "rm" "-f" "6b37a209626c7bd07ac2fecbcb921929db0f4a85994591d09b1c61f5d6c343f8"`
[INFO] [stdout] 6b37a209626c7bd07ac2fecbcb921929db0f4a85994591d09b1c61f5d6c343f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sombrastudios/mover:/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] a72cc290c99f9235a0a09a27df164e2bdb7ff39e470f1119241fd90a3f56cb12
[INFO] running `"docker" "start" "-a" "a72cc290c99f9235a0a09a27df164e2bdb7ff39e470f1119241fd90a3f56cb12"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mover-4aece57081605d8e
[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" "a72cc290c99f9235a0a09a27df164e2bdb7ff39e470f1119241fd90a3f56cb12"`
[INFO] running `"docker" "rm" "-f" "a72cc290c99f9235a0a09a27df164e2bdb7ff39e470f1119241fd90a3f56cb12"`
[INFO] [stdout] a72cc290c99f9235a0a09a27df164e2bdb7ff39e470f1119241fd90a3f56cb12