[INFO] crate i3switcher 0.3.1 is already in cache
[INFO] extracting crate i3switcher 0.3.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/i3switcher/0.3.1
[INFO] extracting crate i3switcher 0.3.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/i3switcher/0.3.1
[INFO] validating manifest of i3switcher-0.3.1 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 i3switcher-0.3.1 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 i3switcher-0.3.1
[INFO] finished frobbing i3switcher-0.3.1
[INFO] frobbed toml for i3switcher-0.3.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/i3switcher/0.3.1/Cargo.toml
[INFO] started frobbing i3switcher-0.3.1
[INFO] finished frobbing i3switcher-0.3.1
[INFO] frobbed toml for i3switcher-0.3.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/i3switcher/0.3.1/Cargo.toml
[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] 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 i3switcher-0.3.1 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-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/i3switcher/0.3.1:/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] 9ac1105da2f3cb0512278b671e0b7bf3deb4a9107057ee5274b469a345535c15
[INFO] running `"docker" "start" "-a" "9ac1105da2f3cb0512278b671e0b7bf3deb4a9107057ee5274b469a345535c15"`
[INFO] [stderr]    Compiling i3ipc v0.8.4
[INFO] [stderr]    Compiling i3switcher v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let search_iter: Box<Iterator<Item = &Workspace>> = match direction {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Workspace>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `"docker" "inspect" "9ac1105da2f3cb0512278b671e0b7bf3deb4a9107057ee5274b469a345535c15"`
[INFO] running `"docker" "rm" "-f" "9ac1105da2f3cb0512278b671e0b7bf3deb4a9107057ee5274b469a345535c15"`
[INFO] [stdout] 9ac1105da2f3cb0512278b671e0b7bf3deb4a9107057ee5274b469a345535c15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/i3switcher/0.3.1:/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] 0ecec8fbb06162953dbfad292f06acb824aaeda3167828e427ba2fecbf5e5648
[INFO] running `"docker" "start" "-a" "0ecec8fbb06162953dbfad292f06acb824aaeda3167828e427ba2fecbf5e5648"`
[INFO] [stderr]    Compiling i3switcher v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let search_iter: Box<Iterator<Item = &Workspace>> = match direction {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &Workspace>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "0ecec8fbb06162953dbfad292f06acb824aaeda3167828e427ba2fecbf5e5648"`
[INFO] running `"docker" "rm" "-f" "0ecec8fbb06162953dbfad292f06acb824aaeda3167828e427ba2fecbf5e5648"`
[INFO] [stdout] 0ecec8fbb06162953dbfad292f06acb824aaeda3167828e427ba2fecbf5e5648
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/i3switcher/0.3.1:/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] cbafa3f153e047bb5d461615a71d76ff54e3f932b51184e4523bbc79a6c2d554
[INFO] running `"docker" "start" "-a" "cbafa3f153e047bb5d461615a71d76ff54e3f932b51184e4523bbc79a6c2d554"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/i3switcher-383bbfd90e737574
[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" "cbafa3f153e047bb5d461615a71d76ff54e3f932b51184e4523bbc79a6c2d554"`
[INFO] running `"docker" "rm" "-f" "cbafa3f153e047bb5d461615a71d76ff54e3f932b51184e4523bbc79a6c2d554"`
[INFO] [stdout] cbafa3f153e047bb5d461615a71d76ff54e3f932b51184e4523bbc79a6c2d554