[INFO] updating cached repository jflc/rug
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jflc/rug
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jflc/rug" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/jflc/rug"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/jflc/rug'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jflc/rug" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/jflc/rug"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/jflc/rug'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44d17c7d1503f891365a04a74ccbdb2fd9dcc200
[INFO] sha for GitHub repo jflc/rug: 44d17c7d1503f891365a04a74ccbdb2fd9dcc200
[INFO] validating manifest of jflc/rug on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jflc/rug on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jflc/rug
[INFO] finished frobbing jflc/rug
[INFO] frobbed toml for jflc/rug written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/jflc/rug/Cargo.toml
[INFO] started frobbing jflc/rug
[INFO] finished frobbing jflc/rug
[INFO] frobbed toml for jflc/rug written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/jflc/rug/Cargo.toml
[INFO] crate jflc/rug already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jflc/rug against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/jflc/rug:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] aeef4e7234d75fbfcef84a557ea9a80a4ebd66f7d9080f87798491eb32f66394
[INFO] running `"docker" "start" "-a" "aeef4e7234d75fbfcef84a557ea9a80a4ebd66f7d9080f87798491eb32f66394"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking rug v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generator/aux_generator.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rng: Box<RngCore>
[INFO] [stderr]   |              ^^^^^^^ help: use `dyn`: `dyn RngCore`
[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/generator/range_generator.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rng: Box<RngCore>
[INFO] [stderr]   |              ^^^^^^^ help: use `dyn`: `dyn RngCore`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generator/choose_generator.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rng: Box<RngCore>
[INFO] [stderr]   |              ^^^^^^^ help: use `dyn`: `dyn RngCore`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generator/shuffle_generator.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     rng: Box<RngCore>
[INFO] [stderr]   |              ^^^^^^^ help: use `dyn`: `dyn RngCore`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generator/swap_generator.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rng: Box<RngCore>
[INFO] [stderr]   |              ^^^^^^^ help: use `dyn`: `dyn RngCore`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generator/aux_generator.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rng: Box<RngCore>
[INFO] [stderr]   |              ^^^^^^^ help: use `dyn`: `dyn RngCore`
[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/generator/range_generator.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rng: Box<RngCore>
[INFO] [stderr]   |              ^^^^^^^ help: use `dyn`: `dyn RngCore`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generator/choose_generator.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rng: Box<RngCore>
[INFO] [stderr]   |              ^^^^^^^ help: use `dyn`: `dyn RngCore`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generator/shuffle_generator.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     rng: Box<RngCore>
[INFO] [stderr]   |              ^^^^^^^ help: use `dyn`: `dyn RngCore`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generator/swap_generator.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     rng: Box<RngCore>
[INFO] [stderr]   |              ^^^^^^^ help: use `dyn`: `dyn RngCore`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:26:39
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn create_generator(&self) -> Box<Generator> {
[INFO] [stderr]    |                                       ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[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/main.rs:26:39
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn create_generator(&self) -> Box<Generator> {
[INFO] [stderr]    |                                       ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.08s
[INFO] running `"docker" "inspect" "aeef4e7234d75fbfcef84a557ea9a80a4ebd66f7d9080f87798491eb32f66394"`
[INFO] running `"docker" "rm" "-f" "aeef4e7234d75fbfcef84a557ea9a80a4ebd66f7d9080f87798491eb32f66394"`
[INFO] [stdout] aeef4e7234d75fbfcef84a557ea9a80a4ebd66f7d9080f87798491eb32f66394