[INFO] crate llhd-sim 0.3.1 is already in cache
[INFO] extracting crate llhd-sim 0.3.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/llhd-sim/0.3.1
[INFO] extracting crate llhd-sim 0.3.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/llhd-sim/0.3.1
[INFO] validating manifest of llhd-sim-0.3.1 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of llhd-sim-0.3.1 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing llhd-sim-0.3.1
[INFO] finished frobbing llhd-sim-0.3.1
[INFO] frobbed toml for llhd-sim-0.3.1 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/llhd-sim/0.3.1/Cargo.toml
[INFO] started frobbing llhd-sim-0.3.1
[INFO] finished frobbing llhd-sim-0.3.1
[INFO] frobbed toml for llhd-sim-0.3.1 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/llhd-sim/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking llhd-sim-0.3.1 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/llhd-sim/0.3.1:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 78bb5d2dfc669ffdc54d9d5588f3b92e26735093d0c157c67e16e33e9bb7615b
[INFO] running `"docker" "start" "-a" "78bb5d2dfc669ffdc54d9d5588f3b92e26735093d0c157c67e16e33e9bb7615b"`
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking llhd v0.5.0
[INFO] [stderr]     Checking rayon v0.7.1
[INFO] [stderr]     Checking llhd-sim v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engine.rs:38:40
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn run(&mut self, tracer: &mut Tracer) {
[INFO] [stderr]    |                                        ^^^^^^ help: use `dyn`: `dyn Tracer`
[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/engine.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn step(&mut self, tracer: &mut Tracer) -> bool {
[INFO] [stderr]    |                                         ^^^^^^ help: use `dyn`: `dyn Tracer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer.rs:37:30
[INFO] [stderr]    |
[INFO] [stderr] 37 |     writer: RefCell<&'tw mut std::io::Write>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer.rs:46:33
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn new(writer: &'tw mut std::io::Write) -> VcdTracer {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/engine.rs:38:40
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn run(&mut self, tracer: &mut Tracer) {
[INFO] [stderr]    |                                        ^^^^^^ help: use `dyn`: `dyn Tracer`
[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/engine.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn step(&mut self, tracer: &mut Tracer) -> bool {
[INFO] [stderr]    |                                         ^^^^^^ help: use `dyn`: `dyn Tracer`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer.rs:37:30
[INFO] [stderr]    |
[INFO] [stderr] 37 |     writer: RefCell<&'tw mut std::io::Write>,
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer.rs:46:33
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn new(writer: &'tw mut std::io::Write) -> VcdTracer {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `"docker" "inspect" "78bb5d2dfc669ffdc54d9d5588f3b92e26735093d0c157c67e16e33e9bb7615b"`
[INFO] running `"docker" "rm" "-f" "78bb5d2dfc669ffdc54d9d5588f3b92e26735093d0c157c67e16e33e9bb7615b"`
[INFO] [stdout] 78bb5d2dfc669ffdc54d9d5588f3b92e26735093d0c157c67e16e33e9bb7615b