[INFO] crate skitty 0.1.0 is already in cache
[INFO] extracting crate skitty 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/skitty/0.1.0
[INFO] extracting crate skitty 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/skitty/0.1.0
[INFO] validating manifest of skitty-0.1.0 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 skitty-0.1.0 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 skitty-0.1.0
[INFO] finished frobbing skitty-0.1.0
[INFO] frobbed toml for skitty-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/skitty/0.1.0/Cargo.toml
[INFO] started frobbing skitty-0.1.0
[INFO] finished frobbing skitty-0.1.0
[INFO] frobbed toml for skitty-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/skitty/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 skitty-0.1.0 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/reg/skitty/0.1.0:/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] e3a2b8ab7bf1b2118ac528fcbc7b3b3af0c3d86884551b76f4b62696504db5e1
[INFO] running `"docker" "start" "-a" "e3a2b8ab7bf1b2118ac528fcbc7b3b3af0c3d86884551b76f4b62696504db5e1"`
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling zip v0.4.2
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling notify v4.0.12
[INFO] [stderr]    Compiling skitty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/project/fs_tools.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn make_absolute<'a>(path: &'a AsRef<Path>) -> SkittyResult<Cow<'a, Path>>
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/project/json_tools.rs:12:35
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn prettify_json_in_dir(dir: &AsRef<Path>) -> SkittyResult<()> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/project/json_tools.rs:30:30
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn prettify_json_file(file: &AsRef<Path>) -> SkittyResult<()> {
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn extract(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn combine(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn watch(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/project/zip_tools.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut file = zip.by_index(i)?;
[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 16.93s
[INFO] running `"docker" "inspect" "e3a2b8ab7bf1b2118ac528fcbc7b3b3af0c3d86884551b76f4b62696504db5e1"`
[INFO] running `"docker" "rm" "-f" "e3a2b8ab7bf1b2118ac528fcbc7b3b3af0c3d86884551b76f4b62696504db5e1"`
[INFO] [stdout] e3a2b8ab7bf1b2118ac528fcbc7b3b3af0c3d86884551b76f4b62696504db5e1
[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/reg/skitty/0.1.0:/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] ef5fd4b280b8ba23695a7a0a7b902d5dbef054d1b5db03517266b1741959ac61
[INFO] running `"docker" "start" "-a" "ef5fd4b280b8ba23695a7a0a7b902d5dbef054d1b5db03517266b1741959ac61"`
[INFO] [stderr]    Compiling skitty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/project/fs_tools.rs:10:36
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn make_absolute<'a>(path: &'a AsRef<Path>) -> SkittyResult<Cow<'a, Path>>
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/project/json_tools.rs:12:35
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn prettify_json_in_dir(dir: &AsRef<Path>) -> SkittyResult<()> {
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/project/json_tools.rs:30:30
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn prettify_json_file(file: &AsRef<Path>) -> SkittyResult<()> {
[INFO] [stderr]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:18:23
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn extract(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn combine(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn watch(path: &AsRef<Path>) -> SkittyResult<()>
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: use `dyn`: `dyn AsRef<Path>`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/project/zip_tools.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut file = zip.by_index(i)?;
[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 1.32s
[INFO] running `"docker" "inspect" "ef5fd4b280b8ba23695a7a0a7b902d5dbef054d1b5db03517266b1741959ac61"`
[INFO] running `"docker" "rm" "-f" "ef5fd4b280b8ba23695a7a0a7b902d5dbef054d1b5db03517266b1741959ac61"`
[INFO] [stdout] ef5fd4b280b8ba23695a7a0a7b902d5dbef054d1b5db03517266b1741959ac61
[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/reg/skitty/0.1.0:/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] cd1a6bd102e9417db5b03fe8324ee435d9368fbd76d65ddfca4254fb50667c4b
[INFO] running `"docker" "start" "-a" "cd1a6bd102e9417db5b03fe8324ee435d9368fbd76d65ddfca4254fb50667c4b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skitty-bde8eeae1a0b527b
[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]      Running /opt/crater/target/debug/deps/skitty-113eee0ba0381d04
[INFO] [stderr]    Doc-tests skitty
[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] [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" "cd1a6bd102e9417db5b03fe8324ee435d9368fbd76d65ddfca4254fb50667c4b"`
[INFO] running `"docker" "rm" "-f" "cd1a6bd102e9417db5b03fe8324ee435d9368fbd76d65ddfca4254fb50667c4b"`
[INFO] [stdout] cd1a6bd102e9417db5b03fe8324ee435d9368fbd76d65ddfca4254fb50667c4b