[INFO] updating cached repository Gisleburt/Skitty
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gisleburt/Skitty
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gisleburt/Skitty" "work/ex/beta-1.38-1/sources/1.37.0/gh/Gisleburt/Skitty"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Gisleburt/Skitty'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gisleburt/Skitty" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gisleburt/Skitty"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gisleburt/Skitty'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9a1b8a8fcd99473697944e74e99bf2702ccb525
[INFO] sha for GitHub repo Gisleburt/Skitty: a9a1b8a8fcd99473697944e74e99bf2702ccb525
[INFO] validating manifest of Gisleburt/Skitty 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 Gisleburt/Skitty 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 Gisleburt/Skitty
[INFO] finished frobbing Gisleburt/Skitty
[INFO] frobbed toml for Gisleburt/Skitty written to work/ex/beta-1.38-1/sources/1.37.0/gh/Gisleburt/Skitty/Cargo.toml
[INFO] started frobbing Gisleburt/Skitty
[INFO] finished frobbing Gisleburt/Skitty
[INFO] frobbed toml for Gisleburt/Skitty written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gisleburt/Skitty/Cargo.toml
[INFO] crate Gisleburt/Skitty 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 Gisleburt/Skitty 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gisleburt/Skitty:/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] f599d4313cb346d356a968c5160fe6f9f933a9159775b7685ebb6e77d5100c65
[INFO] running `"docker" "start" "-a" "f599d4313cb346d356a968c5160fe6f9f933a9159775b7685ebb6e77d5100c65"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.16
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling futures v0.1.23
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling lazycell v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.1.3
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling filetime v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.3.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling flate2 v1.0.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.5
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling zip v0.4.2
[INFO] [stderr]    Compiling notify v4.0.6
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling failure v0.1.2
[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 1m 06s
[INFO] running `"docker" "inspect" "f599d4313cb346d356a968c5160fe6f9f933a9159775b7685ebb6e77d5100c65"`
[INFO] running `"docker" "rm" "-f" "f599d4313cb346d356a968c5160fe6f9f933a9159775b7685ebb6e77d5100c65"`
[INFO] [stdout] f599d4313cb346d356a968c5160fe6f9f933a9159775b7685ebb6e77d5100c65
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gisleburt/Skitty:/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] 0c0894c047c7c5084b3c9d59095af0d9a07fd8413dd9081c27ae311676abccee
[INFO] running `"docker" "start" "-a" "0c0894c047c7c5084b3c9d59095af0d9a07fd8413dd9081c27ae311676abccee"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.33s
[INFO] running `"docker" "inspect" "0c0894c047c7c5084b3c9d59095af0d9a07fd8413dd9081c27ae311676abccee"`
[INFO] running `"docker" "rm" "-f" "0c0894c047c7c5084b3c9d59095af0d9a07fd8413dd9081c27ae311676abccee"`
[INFO] [stdout] 0c0894c047c7c5084b3c9d59095af0d9a07fd8413dd9081c27ae311676abccee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Gisleburt/Skitty:/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] 67bfdef22b23fb4f530c12590aa31d01b6580a98428c6259430c313b38a55d78
[INFO] running `"docker" "start" "-a" "67bfdef22b23fb4f530c12590aa31d01b6580a98428c6259430c313b38a55d78"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skitty-e6d390663915e924
[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-92ad9d20d092b3ae
[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" "67bfdef22b23fb4f530c12590aa31d01b6580a98428c6259430c313b38a55d78"`
[INFO] running `"docker" "rm" "-f" "67bfdef22b23fb4f530c12590aa31d01b6580a98428c6259430c313b38a55d78"`
[INFO] [stdout] 67bfdef22b23fb4f530c12590aa31d01b6580a98428c6259430c313b38a55d78