[INFO] updating cached repository bantl23/rubbish
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bantl23/rubbish
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bantl23/rubbish" "work/ex/beta-1.37-6/sources/1.36.0/gh/bantl23/rubbish"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bantl23/rubbish'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bantl23/rubbish" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bantl23/rubbish"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bantl23/rubbish'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13635c2678635b7042a7952a0f6c472e71da13c4
[INFO] sha for GitHub repo bantl23/rubbish: 13635c2678635b7042a7952a0f6c472e71da13c4
[INFO] validating manifest of bantl23/rubbish 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 bantl23/rubbish 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 bantl23/rubbish
[INFO] finished frobbing bantl23/rubbish
[INFO] frobbed toml for bantl23/rubbish written to work/ex/beta-1.37-6/sources/1.36.0/gh/bantl23/rubbish/Cargo.toml
[INFO] started frobbing bantl23/rubbish
[INFO] finished frobbing bantl23/rubbish
[INFO] frobbed toml for bantl23/rubbish written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bantl23/rubbish/Cargo.toml
[INFO] crate bantl23/rubbish 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] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bantl23/rubbish/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bantl23/rubbish 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-5/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/bantl23/rubbish:/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] c434b4b7f438e75d926c8ec42d01115261704d355be3b3cc33ef37b049a7cdc4
[INFO] running `"docker" "start" "-a" "c434b4b7f438e75d926c8ec42d01115261704d355be3b3cc33ef37b049a7cdc4"`
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rubbish v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Arg`, `SubCommand`
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |            ^^^       ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let matches = App::new("")
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.22s
[INFO] running `"docker" "inspect" "c434b4b7f438e75d926c8ec42d01115261704d355be3b3cc33ef37b049a7cdc4"`
[INFO] running `"docker" "rm" "-f" "c434b4b7f438e75d926c8ec42d01115261704d355be3b3cc33ef37b049a7cdc4"`
[INFO] [stdout] c434b4b7f438e75d926c8ec42d01115261704d355be3b3cc33ef37b049a7cdc4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/bantl23/rubbish:/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] 2349044cda8319d2bca48a3c89ba0d6e0333bf5026abd103514ffd99af8758ca
[INFO] running `"docker" "start" "-a" "2349044cda8319d2bca48a3c89ba0d6e0333bf5026abd103514ffd99af8758ca"`
[INFO] [stderr]    Compiling rubbish v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Arg`, `SubCommand`
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |            ^^^       ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let matches = App::new("")
[INFO] [stderr]   |         ^^^^^^^ help: consider prefixing with an underscore: `_matches`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "2349044cda8319d2bca48a3c89ba0d6e0333bf5026abd103514ffd99af8758ca"`
[INFO] running `"docker" "rm" "-f" "2349044cda8319d2bca48a3c89ba0d6e0333bf5026abd103514ffd99af8758ca"`
[INFO] [stdout] 2349044cda8319d2bca48a3c89ba0d6e0333bf5026abd103514ffd99af8758ca
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/bantl23/rubbish:/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] 36251f9e2de6f2a3b333b7eacf12c1cd182f4ae1dab834657a84063671ecb601
[INFO] running `"docker" "start" "-a" "36251f9e2de6f2a3b333b7eacf12c1cd182f4ae1dab834657a84063671ecb601"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rubbish-78c1406b866ff98f
[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" "36251f9e2de6f2a3b333b7eacf12c1cd182f4ae1dab834657a84063671ecb601"`
[INFO] running `"docker" "rm" "-f" "36251f9e2de6f2a3b333b7eacf12c1cd182f4ae1dab834657a84063671ecb601"`
[INFO] [stdout] 36251f9e2de6f2a3b333b7eacf12c1cd182f4ae1dab834657a84063671ecb601