[INFO] updating cached repository mmstick/debrepbuild
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mmstick/debrepbuild
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mmstick/debrepbuild" "work/ex/beta-1.38-1/sources/1.37.0/gh/mmstick/debrepbuild"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mmstick/debrepbuild'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mmstick/debrepbuild" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmstick/debrepbuild"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmstick/debrepbuild'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e97ea2a3cc77038108a0ee9f859e4b4187333566
[INFO] sha for GitHub repo mmstick/debrepbuild: e97ea2a3cc77038108a0ee9f859e4b4187333566
[INFO] validating manifest of mmstick/debrepbuild 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 mmstick/debrepbuild 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 mmstick/debrepbuild
[INFO] finished frobbing mmstick/debrepbuild
[INFO] frobbed toml for mmstick/debrepbuild written to work/ex/beta-1.38-1/sources/1.37.0/gh/mmstick/debrepbuild/Cargo.toml
[INFO] started frobbing mmstick/debrepbuild
[INFO] finished frobbing mmstick/debrepbuild
[INFO] frobbed toml for mmstick/debrepbuild written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmstick/debrepbuild/Cargo.toml
[INFO] crate mmstick/debrepbuild 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 mmstick/debrepbuild 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-2/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/mmstick/debrepbuild:/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] 28c8f446dfe92911b95d6533ac96c6e5cbd0f96438c366cafc33cbf0335a744b
[INFO] running `"docker" "start" "-a" "28c8f446dfe92911b95d6533ac96c6e5cbd0f96438c366cafc33cbf0335a744b"`
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling gzip-header v0.1.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling lzma-sys v0.1.9
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.4
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling xz2 v0.1.4
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-tls v0.1.3
[INFO] [stderr]    Compiling reqwest v0.8.5
[INFO] [stderr]    Compiling debrepbuild v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/download.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut capacity = File::open(&destination)
[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 1m 06s
[INFO] running `"docker" "inspect" "28c8f446dfe92911b95d6533ac96c6e5cbd0f96438c366cafc33cbf0335a744b"`
[INFO] running `"docker" "rm" "-f" "28c8f446dfe92911b95d6533ac96c6e5cbd0f96438c366cafc33cbf0335a744b"`
[INFO] [stdout] 28c8f446dfe92911b95d6533ac96c6e5cbd0f96438c366cafc33cbf0335a744b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/mmstick/debrepbuild:/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] 41c071de464928a506bf098e8139c4f7df701da3d9480cdc6038608a9f9fdf7e
[INFO] running `"docker" "start" "-a" "41c071de464928a506bf098e8139c4f7df701da3d9480cdc6038608a9f9fdf7e"`
[INFO] [stderr]    Compiling debrepbuild v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/download.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut capacity = File::open(&destination)
[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 2.29s
[INFO] running `"docker" "inspect" "41c071de464928a506bf098e8139c4f7df701da3d9480cdc6038608a9f9fdf7e"`
[INFO] running `"docker" "rm" "-f" "41c071de464928a506bf098e8139c4f7df701da3d9480cdc6038608a9f9fdf7e"`
[INFO] [stdout] 41c071de464928a506bf098e8139c4f7df701da3d9480cdc6038608a9f9fdf7e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/mmstick/debrepbuild:/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] a356d2f7711eef0af609aad6290f238b2b7c655c30bab9e7a7c01e59279a117b
[INFO] running `"docker" "start" "-a" "a356d2f7711eef0af609aad6290f238b2b7c655c30bab9e7a7c01e59279a117b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/debrepbuild-d58f44985c75099f
[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" "a356d2f7711eef0af609aad6290f238b2b7c655c30bab9e7a7c01e59279a117b"`
[INFO] running `"docker" "rm" "-f" "a356d2f7711eef0af609aad6290f238b2b7c655c30bab9e7a7c01e59279a117b"`
[INFO] [stdout] a356d2f7711eef0af609aad6290f238b2b7c655c30bab9e7a7c01e59279a117b