[INFO] updating cached repository ThomasHertleif/cluster-heist
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ThomasHertleif/cluster-heist
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ThomasHertleif/cluster-heist" "work/ex/beta-1.37-6/sources/1.36.0/gh/ThomasHertleif/cluster-heist"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ThomasHertleif/cluster-heist'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ThomasHertleif/cluster-heist" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ThomasHertleif/cluster-heist"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ThomasHertleif/cluster-heist'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bcf3cb67c37632d70f0628fed38a6ff82e939b8
[INFO] sha for GitHub repo ThomasHertleif/cluster-heist: 3bcf3cb67c37632d70f0628fed38a6ff82e939b8
[INFO] validating manifest of ThomasHertleif/cluster-heist on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ThomasHertleif/cluster-heist on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ThomasHertleif/cluster-heist
[INFO] finished frobbing ThomasHertleif/cluster-heist
[INFO] frobbed toml for ThomasHertleif/cluster-heist written to work/ex/beta-1.37-6/sources/1.36.0/gh/ThomasHertleif/cluster-heist/Cargo.toml
[INFO] started frobbing ThomasHertleif/cluster-heist
[INFO] finished frobbing ThomasHertleif/cluster-heist
[INFO] frobbed toml for ThomasHertleif/cluster-heist written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ThomasHertleif/cluster-heist/Cargo.toml
[INFO] crate ThomasHertleif/cluster-heist already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ThomasHertleif/cluster-heist against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ThomasHertleif/cluster-heist:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 34e63e1261aae44d1a5d6134688f84be71262e0774fa62315f7a20bb05b66573
[INFO] running `"docker" "start" "-a" "34e63e1261aae44d1a5d6134688f84be71262e0774fa62315f7a20bb05b66573"`
[INFO] [stderr]    Compiling serde v1.0.53
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.53
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling notify v4.0.3
[INFO] [stderr]    Compiling simple-server v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling cluster-heist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `DirEntry`
[INFO] [stderr]   --> src/main.rs:60:25
[INFO] [stderr]    |
[INFO] [stderr] 60 |     use std::fs::{self, DirEntry};
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     t.join();
[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 42.25s
[INFO] running `"docker" "inspect" "34e63e1261aae44d1a5d6134688f84be71262e0774fa62315f7a20bb05b66573"`
[INFO] running `"docker" "rm" "-f" "34e63e1261aae44d1a5d6134688f84be71262e0774fa62315f7a20bb05b66573"`
[INFO] [stdout] 34e63e1261aae44d1a5d6134688f84be71262e0774fa62315f7a20bb05b66573
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ThomasHertleif/cluster-heist:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] a33e643d4fde8f65334e5e111901022f2cda81689e6c241995d8a36582fd95c0
[INFO] running `"docker" "start" "-a" "a33e643d4fde8f65334e5e111901022f2cda81689e6c241995d8a36582fd95c0"`
[INFO] [stderr]    Compiling cluster-heist v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `DirEntry`
[INFO] [stderr]   --> src/main.rs:60:25
[INFO] [stderr]    |
[INFO] [stderr] 60 |     use std::fs::{self, DirEntry};
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     t.join();
[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 1.17s
[INFO] running `"docker" "inspect" "a33e643d4fde8f65334e5e111901022f2cda81689e6c241995d8a36582fd95c0"`
[INFO] running `"docker" "rm" "-f" "a33e643d4fde8f65334e5e111901022f2cda81689e6c241995d8a36582fd95c0"`
[INFO] [stdout] a33e643d4fde8f65334e5e111901022f2cda81689e6c241995d8a36582fd95c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ThomasHertleif/cluster-heist:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] cbee4d21bf4af4f8ad7d0f3d192ca88d1684abb5cea618df49b48756543d8358
[INFO] running `"docker" "start" "-a" "cbee4d21bf4af4f8ad7d0f3d192ca88d1684abb5cea618df49b48756543d8358"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cluster_heist-bfaef622a3142e0a
[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" "cbee4d21bf4af4f8ad7d0f3d192ca88d1684abb5cea618df49b48756543d8358"`
[INFO] running `"docker" "rm" "-f" "cbee4d21bf4af4f8ad7d0f3d192ca88d1684abb5cea618df49b48756543d8358"`
[INFO] [stdout] cbee4d21bf4af4f8ad7d0f3d192ca88d1684abb5cea618df49b48756543d8358