[INFO] fetching crate slog-atomic 2.0.0...
[INFO] extracting crate slog-atomic 2.0.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/slog-atomic/2.0.0
[INFO] extracting crate slog-atomic 2.0.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/slog-atomic/2.0.0
[INFO] validating manifest of slog-atomic-2.0.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of slog-atomic-2.0.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing slog-atomic-2.0.0
[INFO] finished frobbing slog-atomic-2.0.0
[INFO] frobbed toml for slog-atomic-2.0.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/slog-atomic/2.0.0/Cargo.toml
[INFO] started frobbing slog-atomic-2.0.0
[INFO] finished frobbing slog-atomic-2.0.0
[INFO] frobbed toml for slog-atomic-2.0.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/slog-atomic/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing slog-atomic-2.0.0 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/slog-atomic/2.0.0:/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 528749b5fe233522c5836ff6723c72152cd285ef90a81124e3676111663c05dc
[INFO] running `"docker" "start" "-a" "528749b5fe233522c5836ff6723c72152cd285ef90a81124e3676111663c05dc"`
[INFO] [stderr]    Compiling slog-atomic v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:19:66
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct AtomicSwitchCtrl<O=(), E=slog::Never>(Arc<ArcCell<Box<SendSyncRefUnwindSafeDrain<Ok=O,Err=E>>>>);
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok=O,Err=E>`
[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]   --> lib.rs:22:62
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct AtomicSwitch<O=(), E=slog::Never>(Arc<ArcCell<Box<SendSyncRefUnwindSafeDrain<Ok=O,Err=E>>>>);
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok=O,Err=E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:29:90
[INFO] [stderr]    |
[INFO] [stderr] 29 |         AtomicSwitch::new_from_arc(Arc::new(ArcCell::new(Arc::new(Box::new(drain) as Box<SendSyncRefUnwindSafeDrain<Ok=O,Err=E>>))))
[INFO] [stderr]    |                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok=O,Err=E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:35:44
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn new_from_arc(d: Arc<ArcCell<Box<SendSyncRefUnwindSafeDrain<Ok = O, Err = E>>>>) -> Self {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok = O, Err = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn get(&self) -> Arc<Box<SendSyncRefUnwindSafeDrain<Ok = O, Err = E>>> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok = O, Err = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:58:32
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 drain: Arc<Box<SendSyncRefUnwindSafeDrain<Ok = O, Err = E>>>)
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok = O, Err = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:59:28
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 -> Arc<Box<SendSyncRefUnwindSafeDrain<Ok = O, Err = E>>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok = O, Err = E>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "528749b5fe233522c5836ff6723c72152cd285ef90a81124e3676111663c05dc"`
[INFO] running `"docker" "rm" "-f" "528749b5fe233522c5836ff6723c72152cd285ef90a81124e3676111663c05dc"`
[INFO] [stdout] 528749b5fe233522c5836ff6723c72152cd285ef90a81124e3676111663c05dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/slog-atomic/2.0.0:/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1aef4a52a8b24a5cc4daf27b3265e743cdf289b48cfab035bb4baf61e8d66ba4
[INFO] running `"docker" "start" "-a" "1aef4a52a8b24a5cc4daf27b3265e743cdf289b48cfab035bb4baf61e8d66ba4"`
[INFO] [stderr]    Compiling slog-json v2.3.0
[INFO] [stderr]    Compiling slog-atomic v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:19:66
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct AtomicSwitchCtrl<O=(), E=slog::Never>(Arc<ArcCell<Box<SendSyncRefUnwindSafeDrain<Ok=O,Err=E>>>>);
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok=O,Err=E>`
[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]   --> lib.rs:22:62
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct AtomicSwitch<O=(), E=slog::Never>(Arc<ArcCell<Box<SendSyncRefUnwindSafeDrain<Ok=O,Err=E>>>>);
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok=O,Err=E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:29:90
[INFO] [stderr]    |
[INFO] [stderr] 29 |         AtomicSwitch::new_from_arc(Arc::new(ArcCell::new(Arc::new(Box::new(drain) as Box<SendSyncRefUnwindSafeDrain<Ok=O,Err=E>>))))
[INFO] [stderr]    |                                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok=O,Err=E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:35:44
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn new_from_arc(d: Arc<ArcCell<Box<SendSyncRefUnwindSafeDrain<Ok = O, Err = E>>>>) -> Self {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok = O, Err = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn get(&self) -> Arc<Box<SendSyncRefUnwindSafeDrain<Ok = O, Err = E>>> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok = O, Err = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:58:32
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 drain: Arc<Box<SendSyncRefUnwindSafeDrain<Ok = O, Err = E>>>)
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok = O, Err = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:59:28
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 -> Arc<Box<SendSyncRefUnwindSafeDrain<Ok = O, Err = E>>> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SendSyncRefUnwindSafeDrain<Ok = O, Err = E>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/signal.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `"docker" "inspect" "1aef4a52a8b24a5cc4daf27b3265e743cdf289b48cfab035bb4baf61e8d66ba4"`
[INFO] running `"docker" "rm" "-f" "1aef4a52a8b24a5cc4daf27b3265e743cdf289b48cfab035bb4baf61e8d66ba4"`
[INFO] [stdout] 1aef4a52a8b24a5cc4daf27b3265e743cdf289b48cfab035bb4baf61e8d66ba4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/slog-atomic/2.0.0:/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] e78e80d3e3f64551b9ba35fe8a777cfb04fa2791b135b564caa0ac031a3754af
[INFO] running `"docker" "start" "-a" "e78e80d3e3f64551b9ba35fe8a777cfb04fa2791b135b564caa0ac031a3754af"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slog_atomic-26670909fa710285
[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/unwindsafety-233fd9c871720445
[INFO] [stderr]    Doc-tests slog-atomic
[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" "e78e80d3e3f64551b9ba35fe8a777cfb04fa2791b135b564caa0ac031a3754af"`
[INFO] running `"docker" "rm" "-f" "e78e80d3e3f64551b9ba35fe8a777cfb04fa2791b135b564caa0ac031a3754af"`
[INFO] [stdout] e78e80d3e3f64551b9ba35fe8a777cfb04fa2791b135b564caa0ac031a3754af