[INFO] updating cached repository kbknapp/cargo-outdated
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kbknapp/cargo-outdated
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kbknapp/cargo-outdated" "work/ex/beta-1.38-1/sources/1.37.0/gh/kbknapp/cargo-outdated"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kbknapp/cargo-outdated'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kbknapp/cargo-outdated" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kbknapp/cargo-outdated"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kbknapp/cargo-outdated'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6b0c61de1273aaf020ab088cddc9653262b8b32
[INFO] sha for GitHub repo kbknapp/cargo-outdated: c6b0c61de1273aaf020ab088cddc9653262b8b32
[INFO] validating manifest of kbknapp/cargo-outdated on toolchain 1.37.0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[INFO] validating manifest of kbknapp/cargo-outdated on toolchain beta-2019-08-13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[INFO] started frobbing kbknapp/cargo-outdated
[INFO] finished frobbing kbknapp/cargo-outdated
[INFO] frobbed toml for kbknapp/cargo-outdated written to work/ex/beta-1.38-1/sources/1.37.0/gh/kbknapp/cargo-outdated/Cargo.toml
[INFO] started frobbing kbknapp/cargo-outdated
[INFO] finished frobbing kbknapp/cargo-outdated
[INFO] frobbed toml for kbknapp/cargo-outdated written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kbknapp/cargo-outdated/Cargo.toml
[INFO] crate kbknapp/cargo-outdated already has a lockfile, it will not be regenerated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[INFO] testing kbknapp/cargo-outdated against 1.37.0 for beta-1.38-1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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kbknapp/cargo-outdated:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v"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] 7da18f058b85d0495b6dc4cbf74b9d2f0b0bbf0e9b91dadec3960729d1957810
[INFO] running `"docker" "start" "-a" "7da18f058b85d0495b6dc4cbf74b9d2f0b0bbf0e9b91dadec3960729d1957810"`
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling bytesize v1.0.0
[INFO] [stderr]    Compiling shell-escape v0.1.4
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling tabwriter v1.1.0
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling filetime v0.2.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling jobserver v0.1.13
[INFO] [stderr]    Compiling bstr v0.1.4
[INFO] [stderr]    Compiling sized-chunks v0.1.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling globset v0.4.3
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_ignored v0.0.4
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling ignore v0.4.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling opener v0.3.2
[INFO] [stderr]    Compiling crypto-hash v0.3.3
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]    Compiling rustfix v0.4.5
[INFO] [stderr]    Compiling crates-io v0.24.0
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling git2-curl v0.9.0
[INFO] [stderr]    Compiling cargo v0.36.0
[INFO] [stderr]    Compiling cargo-outdated v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cargo_ops/temp_project.rs:438:25
[INFO] [stderr]     |
[INFO] [stderr] 438 |                     let mut summary;
[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 3m 07s
[INFO] running `"docker" "inspect" "7da18f058b85d0495b6dc4cbf74b9d2f0b0bbf0e9b91dadec3960729d1957810"`
[INFO] running `"docker" "rm" "-f" "7da18f058b85d0495b6dc4cbf74b9d2f0b0bbf0e9b91dadec3960729d1957810"`
[INFO] [stdout] 7da18f058b85d0495b6dc4cbf74b9d2f0b0bbf0e9b91dadec3960729d1957810
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kbknapp/cargo-outdated:/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] bfca3fef5ff26fabcb0e51446d356d5b72d369d8810c8d84b54e8b6d98cc221e
[INFO] running `"docker" "start" "-a" "bfca3fef5ff26fabcb0e51446d356d5b72d369d8810c8d84b54e8b6d98cc221e"`
[INFO] [stderr]    Compiling cargo-outdated v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cargo_ops/temp_project.rs:438:25
[INFO] [stderr]     |
[INFO] [stderr] 438 |                     let mut summary;
[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 2.66s
[INFO] running `"docker" "inspect" "bfca3fef5ff26fabcb0e51446d356d5b72d369d8810c8d84b54e8b6d98cc221e"`
[INFO] running `"docker" "rm" "-f" "bfca3fef5ff26fabcb0e51446d356d5b72d369d8810c8d84b54e8b6d98cc221e"`
[INFO] [stdout] bfca3fef5ff26fabcb0e51446d356d5b72d369d8810c8d84b54e8b6d98cc221e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kbknapp/cargo-outdated:/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] aef72ab1ab6f8670942e5eb6b73c4909ef21afb416c2357ec192bf0137754aa6
[INFO] running `"docker" "start" "-a" "aef72ab1ab6f8670942e5eb6b73c4909ef21afb416c2357ec192bf0137754aa6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_outdated-2ee7506471a244c7
[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" "aef72ab1ab6f8670942e5eb6b73c4909ef21afb416c2357ec192bf0137754aa6"`
[INFO] running `"docker" "rm" "-f" "aef72ab1ab6f8670942e5eb6b73c4909ef21afb416c2357ec192bf0137754aa6"`
[INFO] [stdout] aef72ab1ab6f8670942e5eb6b73c4909ef21afb416c2357ec192bf0137754aa6