[INFO] crate littletest 0.2.2 is already in cache
[INFO] extracting crate littletest 0.2.2 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/littletest/0.2.2
[INFO] extracting crate littletest 0.2.2 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/littletest/0.2.2
[INFO] validating manifest of littletest-0.2.2 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 littletest-0.2.2 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 littletest-0.2.2
[INFO] finished frobbing littletest-0.2.2
[INFO] frobbed toml for littletest-0.2.2 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/littletest/0.2.2/Cargo.toml
[INFO] started frobbing littletest-0.2.2
[INFO] finished frobbing littletest-0.2.2
[INFO] frobbed toml for littletest-0.2.2 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/littletest/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking littletest-0.2.2 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/reg/littletest/0.2.2:/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] 6c4b7c742e9a721165c0fded9393e5bc9301dab6c250b6c3a7c6f6106ff7b0bb
[INFO] running `"docker" "start" "-a" "6c4b7c742e9a721165c0fded9393e5bc9301dab6c250b6c3a7c6f6106ff7b0bb"`
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]     Checking littletest v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reporters.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 |     reporters: Vec<Box<Reporter>>,
[INFO] [stderr]    |                        ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[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/reporters.rs:17:35
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(reporters: Vec<Box<Reporter>>) -> CompositeReporter {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runnable + Sync + 'run`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let reporters: Vec<Box<Reporter>> = vec![Box::new(ProgressReporter::new()),
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/reporters.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 |     reporters: Vec<Box<Reporter>>,
[INFO] [stderr]    |                        ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[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/reporters.rs:17:35
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(reporters: Vec<Box<Reporter>>) -> CompositeReporter {
[INFO] [stderr]    |                                   ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn run<'run>(&self, tests: &Vec<Box<Runnable + Sync + 'run>>) {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runnable + Sync + 'run`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let reporters: Vec<Box<Reporter>> = vec![Box::new(ProgressReporter::new()),
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn Reporter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/lib.rs:27:62
[INFO] [stderr]    |
[INFO] [stderr] 27 |         .map(|result| Box::new(TestCase::new(result)) as Box<Runnable + Sync>)
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runnable + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `"docker" "inspect" "6c4b7c742e9a721165c0fded9393e5bc9301dab6c250b6c3a7c6f6106ff7b0bb"`
[INFO] running `"docker" "rm" "-f" "6c4b7c742e9a721165c0fded9393e5bc9301dab6c250b6c3a7c6f6106ff7b0bb"`
[INFO] [stdout] 6c4b7c742e9a721165c0fded9393e5bc9301dab6c250b6c3a7c6f6106ff7b0bb