[INFO] crate timberwolf 0.3.2 is already in cache
[INFO] extracting crate timberwolf 0.3.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/timberwolf/0.3.2
[INFO] extracting crate timberwolf 0.3.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/timberwolf/0.3.2
[INFO] validating manifest of timberwolf-0.3.2 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 timberwolf-0.3.2 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 timberwolf-0.3.2
[INFO] finished frobbing timberwolf-0.3.2
[INFO] frobbed toml for timberwolf-0.3.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/timberwolf/0.3.2/Cargo.toml
[INFO] started frobbing timberwolf-0.3.2
[INFO] finished frobbing timberwolf-0.3.2
[INFO] frobbed toml for timberwolf-0.3.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/timberwolf/0.3.2/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 timberwolf-0.3.2 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/timberwolf/0.3.2:/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=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] c06c891226e479eb550f0c7d36c100eb9ed5dea6297c0c7a934f132d04fb1d7e
[INFO] running `"docker" "start" "-a" "c06c891226e479eb550f0c7d36c100eb9ed5dea6297c0c7a934f132d04fb1d7e"`
[INFO] [stderr]    Compiling timberwolf v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context/mod.rs:62:37
[INFO] [stderr]    |
[INFO] [stderr] 62 |     contexts: RwLock<Vec<RwLock<Box<Context + Send + Sync>>>>
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Context + Send + Sync`
[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/context/mod.rs:74:50
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn push_context (&self, mut context: Box<Context + Send + Sync>) {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Context + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context/mod.rs:83:46
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn pop_context (&self) -> Option<Box<Context + Send + Sync>> {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Context + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/context/mod.rs:102:96
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn swap_context <T: 'static + Context + Send + Sync> (&self, context: T) -> Option<Box<Context + Send + Sync>> {
[INFO] [stderr]     |                                                                                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Context + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/log/mod.rs:18:38
[INFO] [stderr]    |
[INFO] [stderr] 18 |     receivers: RwLock<Vec<RwLock<Box<Receiver + Send + Sync>>>>,
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Receiver + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/log/mod.rs:30:47
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn add_receiver (&self, receiver: Box<Receiver + Send + Sync>) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Receiver + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:67:56
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn push_story_context (&mut self, context: Box<Context + Send + Sync>) {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Context + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:72:55
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn add_log_receiver (&mut self, receiver: Box<Receiver + Send + Sync>) {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Receiver + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "c06c891226e479eb550f0c7d36c100eb9ed5dea6297c0c7a934f132d04fb1d7e"`
[INFO] running `"docker" "rm" "-f" "c06c891226e479eb550f0c7d36c100eb9ed5dea6297c0c7a934f132d04fb1d7e"`
[INFO] [stdout] c06c891226e479eb550f0c7d36c100eb9ed5dea6297c0c7a934f132d04fb1d7e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/timberwolf/0.3.2:/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=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] 443ad23819a0f93b0715dcfbb746f31fb737757c15c1008caf6d62c225fad0c7
[INFO] running `"docker" "start" "-a" "443ad23819a0f93b0715dcfbb746f31fb737757c15c1008caf6d62c225fad0c7"`
[INFO] [stderr]    Compiling timberwolf v0.3.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context/mod.rs:62:37
[INFO] [stderr]    |
[INFO] [stderr] 62 |     contexts: RwLock<Vec<RwLock<Box<Context + Send + Sync>>>>
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Context + Send + Sync`
[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/context/mod.rs:74:50
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn push_context (&self, mut context: Box<Context + Send + Sync>) {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Context + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context/mod.rs:83:46
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn pop_context (&self) -> Option<Box<Context + Send + Sync>> {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Context + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/context/mod.rs:102:96
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn swap_context <T: 'static + Context + Send + Sync> (&self, context: T) -> Option<Box<Context + Send + Sync>> {
[INFO] [stderr]     |                                                                                                ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Context + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/log/mod.rs:18:38
[INFO] [stderr]    |
[INFO] [stderr] 18 |     receivers: RwLock<Vec<RwLock<Box<Receiver + Send + Sync>>>>,
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Receiver + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/log/mod.rs:30:47
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn add_receiver (&self, receiver: Box<Receiver + Send + Sync>) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Receiver + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:67:56
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn push_story_context (&mut self, context: Box<Context + Send + Sync>) {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Context + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:72:55
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn add_log_receiver (&mut self, receiver: Box<Receiver + Send + Sync>) {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Receiver + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "443ad23819a0f93b0715dcfbb746f31fb737757c15c1008caf6d62c225fad0c7"`
[INFO] running `"docker" "rm" "-f" "443ad23819a0f93b0715dcfbb746f31fb737757c15c1008caf6d62c225fad0c7"`
[INFO] [stdout] 443ad23819a0f93b0715dcfbb746f31fb737757c15c1008caf6d62c225fad0c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/timberwolf/0.3.2:/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=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] 85601d975f07165d9af528ddd1204fd887e6ef682904bdb634a12633888b5550
[INFO] running `"docker" "start" "-a" "85601d975f07165d9af528ddd1204fd887e6ef682904bdb634a12633888b5550"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/timberwolf-fef1915696a7ef08
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test context::test::test_both_transparencies ... ok
[INFO] [stdout] test context::test::test_render_transparency_only ... ok
[INFO] [stdout] test context::test::test_update_transparency_only ... ok
[INFO] [stdout] test timing::test::revlimiter_continues_when_on_time ... ok
[INFO] [stdout] test timing::test::revlimiter_increases_lag_when_behind ... ok
[INFO] [stdout] test timing::test::revlimiter_continues_when_behind ... ok
[INFO] [stdout] test log::test::test_log_event_to_string ... ok
[INFO] [stdout] test timing::test::revlimiter_decreases_lag_when_ahead ... ok
[INFO] [stdout] test timing::test::revlimiter_has_no_lag_without_catchup ... ok
[INFO] [stdout] test timing::test::revlimiter_keeps_lag_when_on_time ... ok
[INFO] [stdout] test context::test::test_both_opaque ... ok
[INFO] [stdout] test timing::test::revlimiter_waits_when_ahead ... ok
[INFO] [stdout] test context::test::test_deep_transparency ... ok
[INFO] [stderr]    Doc-tests timberwolf
[INFO] [stdout] test context::test::test_overhang_occlusion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 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" "85601d975f07165d9af528ddd1204fd887e6ef682904bdb634a12633888b5550"`
[INFO] running `"docker" "rm" "-f" "85601d975f07165d9af528ddd1204fd887e6ef682904bdb634a12633888b5550"`
[INFO] [stdout] 85601d975f07165d9af528ddd1204fd887e6ef682904bdb634a12633888b5550