[INFO] updating cached repository BProg/z-files
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BProg/z-files
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BProg/z-files" "work/ex/beta-1.38-1/sources/1.37.0/gh/BProg/z-files"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BProg/z-files'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BProg/z-files" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BProg/z-files"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BProg/z-files'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b842f030927ec636e9038c6db7bdde76d5f0c044
[INFO] sha for GitHub repo BProg/z-files: b842f030927ec636e9038c6db7bdde76d5f0c044
[INFO] validating manifest of BProg/z-files 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 BProg/z-files 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 BProg/z-files
[INFO] finished frobbing BProg/z-files
[INFO] frobbed toml for BProg/z-files written to work/ex/beta-1.38-1/sources/1.37.0/gh/BProg/z-files/Cargo.toml
[INFO] started frobbing BProg/z-files
[INFO] finished frobbing BProg/z-files
[INFO] frobbed toml for BProg/z-files written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BProg/z-files/Cargo.toml
[INFO] crate BProg/z-files 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing BProg/z-files 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/BProg/z-files:/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] 40bd531fb12f08a617b1166a2954b1c7cf53fa83b0e2edcc6af7b19001b05585
[INFO] running `"docker" "start" "-a" "40bd531fb12f08a617b1166a2954b1c7cf53fa83b0e2edcc6af7b19001b05585"`
[INFO] [stderr]    Compiling smallvec v0.4.3
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling clicolors-control v0.1.0
[INFO] [stderr]    Compiling textwrap v0.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.6
[INFO] [stderr]    Compiling clap v2.26.2
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling console v0.5.0
[INFO] [stderr]    Compiling xfile v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]   |            ^^^  ^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.20s
[INFO] running `"docker" "inspect" "40bd531fb12f08a617b1166a2954b1c7cf53fa83b0e2edcc6af7b19001b05585"`
[INFO] running `"docker" "rm" "-f" "40bd531fb12f08a617b1166a2954b1c7cf53fa83b0e2edcc6af7b19001b05585"`
[INFO] [stdout] 40bd531fb12f08a617b1166a2954b1c7cf53fa83b0e2edcc6af7b19001b05585
[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/BProg/z-files:/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] e0f7466c086455bfe0054bb4a5f80c0cea46c9baeefcd7ee97b5c3eaa6134b22
[INFO] running `"docker" "start" "-a" "e0f7466c086455bfe0054bb4a5f80c0cea46c9baeefcd7ee97b5c3eaa6134b22"`
[INFO] [stderr]    Compiling xfile v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand`
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]   |            ^^^  ^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_App` should have a snake case name
[INFO] [stderr]   --> src/app.rs:50:8
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn test_App() {
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to snake case: `test_app`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `"docker" "inspect" "e0f7466c086455bfe0054bb4a5f80c0cea46c9baeefcd7ee97b5c3eaa6134b22"`
[INFO] running `"docker" "rm" "-f" "e0f7466c086455bfe0054bb4a5f80c0cea46c9baeefcd7ee97b5c3eaa6134b22"`
[INFO] [stdout] e0f7466c086455bfe0054bb4a5f80c0cea46c9baeefcd7ee97b5c3eaa6134b22
[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/BProg/z-files:/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] 1e58d200a5bdbfa577ea11d5d6d624fda53ffdd12ae9b43a765250cb5f98690a
[INFO] running `"docker" "start" "-a" "1e58d200a5bdbfa577ea11d5d6d624fda53ffdd12ae9b43a765250cb5f98690a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xfile-af405c8e815a1ef9
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test app::tests::test_App ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xfile-f61a9a7c298d7c67
[INFO] [stderr]    Doc-tests xfile
[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" "1e58d200a5bdbfa577ea11d5d6d624fda53ffdd12ae9b43a765250cb5f98690a"`
[INFO] running `"docker" "rm" "-f" "1e58d200a5bdbfa577ea11d5d6d624fda53ffdd12ae9b43a765250cb5f98690a"`
[INFO] [stdout] 1e58d200a5bdbfa577ea11d5d6d624fda53ffdd12ae9b43a765250cb5f98690a