[INFO] updating cached repository cyplo/antidupe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cyplo/antidupe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cyplo/antidupe" "work/ex/beta-1.38-1/sources/1.37.0/gh/cyplo/antidupe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cyplo/antidupe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cyplo/antidupe" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cyplo/antidupe"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cyplo/antidupe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3bf6da3fd97437b83ab993e3f235e1e23ce8c72
[INFO] sha for GitHub repo cyplo/antidupe: f3bf6da3fd97437b83ab993e3f235e1e23ce8c72
[INFO] validating manifest of cyplo/antidupe 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 cyplo/antidupe 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 cyplo/antidupe
[INFO] finished frobbing cyplo/antidupe
[INFO] frobbed toml for cyplo/antidupe written to work/ex/beta-1.38-1/sources/1.37.0/gh/cyplo/antidupe/Cargo.toml
[INFO] started frobbing cyplo/antidupe
[INFO] finished frobbing cyplo/antidupe
[INFO] frobbed toml for cyplo/antidupe written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cyplo/antidupe/Cargo.toml
[INFO] crate cyplo/antidupe 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 cyplo/antidupe 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cyplo/antidupe:/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] 388916f04806ca779dabb22f1ec403ae1689e1364ce020459b5d9f0727571038
[INFO] running `"docker" "start" "-a" "388916f04806ca779dabb22f1ec403ae1689e1364ce020459b5d9f0727571038"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling antidupes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]  --> src/lib.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn duplicates(path: &Path) -> Vec<&DuplicatedItem> {
[INFO] [stderr]   |                       ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DuplicatedItem`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub struct DuplicatedItem {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `duplicates`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn duplicates(path: &Path) -> Vec<&DuplicatedItem> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "388916f04806ca779dabb22f1ec403ae1689e1364ce020459b5d9f0727571038"`
[INFO] running `"docker" "rm" "-f" "388916f04806ca779dabb22f1ec403ae1689e1364ce020459b5d9f0727571038"`
[INFO] [stdout] 388916f04806ca779dabb22f1ec403ae1689e1364ce020459b5d9f0727571038
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cyplo/antidupe:/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] 477d7f6fac01f2e57a50fefc0a8acd8313e5158f323a3f58835ee34cc4ec53ae
[INFO] running `"docker" "start" "-a" "477d7f6fac01f2e57a50fefc0a8acd8313e5158f323a3f58835ee34cc4ec53ae"`
[INFO] [stderr]    Compiling antidupes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]  --> src/lib.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn duplicates(path: &Path) -> Vec<&DuplicatedItem> {
[INFO] [stderr]   |                       ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "477d7f6fac01f2e57a50fefc0a8acd8313e5158f323a3f58835ee34cc4ec53ae"`
[INFO] running `"docker" "rm" "-f" "477d7f6fac01f2e57a50fefc0a8acd8313e5158f323a3f58835ee34cc4ec53ae"`
[INFO] [stdout] 477d7f6fac01f2e57a50fefc0a8acd8313e5158f323a3f58835ee34cc4ec53ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cyplo/antidupe:/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] 2913e504095a2aea49984aca05d87fe2dbaa20e507a16228f6429cd4a475f16d
[INFO] running `"docker" "start" "-a" "2913e504095a2aea49984aca05d87fe2dbaa20e507a16228f6429cd4a475f16d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/antidupes-05dee23136bed1c5
[INFO] [stdout] test antidupe_should_report::no_duplicates_for_empty_directory ... 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/antidupes-bfee0de983ec2810
[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] [stderr]    Doc-tests antidupes
[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" "2913e504095a2aea49984aca05d87fe2dbaa20e507a16228f6429cd4a475f16d"`
[INFO] running `"docker" "rm" "-f" "2913e504095a2aea49984aca05d87fe2dbaa20e507a16228f6429cd4a475f16d"`
[INFO] [stdout] 2913e504095a2aea49984aca05d87fe2dbaa20e507a16228f6429cd4a475f16d