[INFO] updating cached repository Pazzaz/sorting
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Pazzaz/sorting
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Pazzaz/sorting" "work/ex/beta-1.38-1/sources/1.37.0/gh/Pazzaz/sorting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Pazzaz/sorting'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Pazzaz/sorting" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Pazzaz/sorting"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Pazzaz/sorting'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0be01537ec3408cbf4c985336366a8b4c4668b58
[INFO] sha for GitHub repo Pazzaz/sorting: 0be01537ec3408cbf4c985336366a8b4c4668b58
[INFO] validating manifest of Pazzaz/sorting 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 Pazzaz/sorting 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 Pazzaz/sorting
[INFO] finished frobbing Pazzaz/sorting
[INFO] frobbed toml for Pazzaz/sorting written to work/ex/beta-1.38-1/sources/1.37.0/gh/Pazzaz/sorting/Cargo.toml
[INFO] started frobbing Pazzaz/sorting
[INFO] finished frobbing Pazzaz/sorting
[INFO] frobbed toml for Pazzaz/sorting written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Pazzaz/sorting/Cargo.toml
[INFO] crate Pazzaz/sorting 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 Pazzaz/sorting 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Pazzaz/sorting:/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] 65f6bb09683460b4e9ba4ee3544c726f415b40ab8c8bbf942ae01eb843239a42
[INFO] running `"docker" "start" "-a" "65f6bb09683460b4e9ba4ee3544c726f415b40ab8c8bbf942ae01eb843239a42"`
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::thread_rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::thread_rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "65f6bb09683460b4e9ba4ee3544c726f415b40ab8c8bbf942ae01eb843239a42"`
[INFO] running `"docker" "rm" "-f" "65f6bb09683460b4e9ba4ee3544c726f415b40ab8c8bbf942ae01eb843239a42"`
[INFO] [stdout] 65f6bb09683460b4e9ba4ee3544c726f415b40ab8c8bbf942ae01eb843239a42
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Pazzaz/sorting:/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] b3e5bea745529e175894c0e7fe11a13a6f8d875a4c0f70ad896c556ff0110894
[INFO] running `"docker" "start" "-a" "b3e5bea745529e175894c0e7fe11a13a6f8d875a4c0f70ad896c556ff0110894"`
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::thread_rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::thread_rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "b3e5bea745529e175894c0e7fe11a13a6f8d875a4c0f70ad896c556ff0110894"`
[INFO] running `"docker" "rm" "-f" "b3e5bea745529e175894c0e7fe11a13a6f8d875a4c0f70ad896c556ff0110894"`
[INFO] [stdout] b3e5bea745529e175894c0e7fe11a13a6f8d875a4c0f70ad896c556ff0110894
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Pazzaz/sorting:/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] 3376e1918ffde6de1a9f95791fbe4afe862ddc6e096b7635f4b590de034d07b6
[INFO] running `"docker" "start" "-a" "3376e1918ffde6de1a9f95791fbe4afe862ddc6e096b7635f4b590de034d07b6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sorting-7e4c944deed5bef7
[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" "3376e1918ffde6de1a9f95791fbe4afe862ddc6e096b7635f4b590de034d07b6"`
[INFO] running `"docker" "rm" "-f" "3376e1918ffde6de1a9f95791fbe4afe862ddc6e096b7635f4b590de034d07b6"`
[INFO] [stdout] 3376e1918ffde6de1a9f95791fbe4afe862ddc6e096b7635f4b590de034d07b6