[INFO] updating cached repository lindskogen/fdupes-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lindskogen/fdupes-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lindskogen/fdupes-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/lindskogen/fdupes-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lindskogen/fdupes-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lindskogen/fdupes-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lindskogen/fdupes-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lindskogen/fdupes-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 747dc78c0b93d459662ba9fd7759d87cd798170d
[INFO] sha for GitHub repo lindskogen/fdupes-rs: 747dc78c0b93d459662ba9fd7759d87cd798170d
[INFO] validating manifest of lindskogen/fdupes-rs 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 lindskogen/fdupes-rs 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 lindskogen/fdupes-rs
[INFO] finished frobbing lindskogen/fdupes-rs
[INFO] frobbed toml for lindskogen/fdupes-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/lindskogen/fdupes-rs/Cargo.toml
[INFO] started frobbing lindskogen/fdupes-rs
[INFO] finished frobbing lindskogen/fdupes-rs
[INFO] frobbed toml for lindskogen/fdupes-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lindskogen/fdupes-rs/Cargo.toml
[INFO] crate lindskogen/fdupes-rs 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] [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] testing lindskogen/fdupes-rs 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-3/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/lindskogen/fdupes-rs:/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] 6a2e7e92c7cdecc669dabe6ea4bfc18d074d7e8de51c7c4c9c883c6a6cdf8201
[INFO] running `"docker" "start" "-a" "6a2e7e92c7cdecc669dabe6ea4bfc18d074d7e8de51c7c4c9c883c6a6cdf8201"`
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling byte-tools v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling unbytify v0.1.1
[INFO] [stderr]    Compiling generic-array v0.7.3
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling crypto-mac v0.3.0
[INFO] [stderr]    Compiling digest v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling blake2 v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling fdupes-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `is_hidden`
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn is_hidden(entry: &DirEntry) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.75s
[INFO] running `"docker" "inspect" "6a2e7e92c7cdecc669dabe6ea4bfc18d074d7e8de51c7c4c9c883c6a6cdf8201"`
[INFO] running `"docker" "rm" "-f" "6a2e7e92c7cdecc669dabe6ea4bfc18d074d7e8de51c7c4c9c883c6a6cdf8201"`
[INFO] [stdout] 6a2e7e92c7cdecc669dabe6ea4bfc18d074d7e8de51c7c4c9c883c6a6cdf8201
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/lindskogen/fdupes-rs:/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] 62c2275eb8f73e44d421be4c065e26f8d73eecd44669969fdc79390014d6ad93
[INFO] running `"docker" "start" "-a" "62c2275eb8f73e44d421be4c065e26f8d73eecd44669969fdc79390014d6ad93"`
[INFO] [stderr]    Compiling fdupes-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `is_hidden`
[INFO] [stderr]   --> src/main.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn is_hidden(entry: &DirEntry) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "62c2275eb8f73e44d421be4c065e26f8d73eecd44669969fdc79390014d6ad93"`
[INFO] running `"docker" "rm" "-f" "62c2275eb8f73e44d421be4c065e26f8d73eecd44669969fdc79390014d6ad93"`
[INFO] [stdout] 62c2275eb8f73e44d421be4c065e26f8d73eecd44669969fdc79390014d6ad93
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/lindskogen/fdupes-rs:/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] 64c6ff7f4c8af081ed7402f6e1bb527495a708b09d915c94f37fc341c238e418
[INFO] running `"docker" "start" "-a" "64c6ff7f4c8af081ed7402f6e1bb527495a708b09d915c94f37fc341c238e418"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fdupes_rs-b58a892b01b2d8ce
[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" "64c6ff7f4c8af081ed7402f6e1bb527495a708b09d915c94f37fc341c238e418"`
[INFO] running `"docker" "rm" "-f" "64c6ff7f4c8af081ed7402f6e1bb527495a708b09d915c94f37fc341c238e418"`
[INFO] [stdout] 64c6ff7f4c8af081ed7402f6e1bb527495a708b09d915c94f37fc341c238e418