[INFO] crate slog-atomic 2.0.0 is already in cache
[INFO] extracting crate slog-atomic 2.0.0 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/slog-atomic/2.0.0
[INFO] extracting crate slog-atomic 2.0.0 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/slog-atomic/2.0.0
[INFO] validating manifest of slog-atomic-2.0.0 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of slog-atomic-2.0.0 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/slog-atomic/2.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking slog-atomic-2.0.0 against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-4/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 22a9ed073ab7666709c71f67657be9ccf59550eae6f017fbbcd31ca6a7f65db5
[INFO] running `"docker" "start" "-a" "22a9ed073ab7666709c71f67657be9ccf59550eae6f017fbbcd31ca6a7f65db5"`
[INFO] [stderr]     Checking slog-atomic v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking slog-json v2.3.0
[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: 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 2.77s
[INFO] running `"docker" "inspect" "22a9ed073ab7666709c71f67657be9ccf59550eae6f017fbbcd31ca6a7f65db5"`
[INFO] running `"docker" "rm" "-f" "22a9ed073ab7666709c71f67657be9ccf59550eae6f017fbbcd31ca6a7f65db5"`
[INFO] [stdout] 22a9ed073ab7666709c71f67657be9ccf59550eae6f017fbbcd31ca6a7f65db5