[INFO] crate tracing_chromium 0.1.0 is already in cache
[INFO] checking tracing_chromium-0.1.0 against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68746
[INFO] extracting crate tracing_chromium 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tracing_chromium 0.1.0 on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tracing_chromium 0.1.0
[INFO] finished tweaking crates.io crate tracing_chromium 0.1.0
[INFO] tweaked toml for crates.io crate tracing_chromium 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 39d10ea2af97464fee98e115c67dac8b178336f67c2d633c86b61ff58b5e52da
[INFO] running `"docker" "start" "-a" "39d10ea2af97464fee98e115c67dac8b178336f67c2d633c86b61ff58b5e52da"`
[INFO] [stderr]     Checking gettid v0.1.0
[INFO] [stderr]     Checking tracing_facade v0.1.0
[INFO] [stderr]     Checking tracing_chromium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |   output: Mutex<Box<std::io::Write + Send>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[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/lib.rs:31:38
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn from_output(mut output: Box<std::io::Write + Send>) -> Tracer {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn write_event(mut output: &mut std::io::Write, event: Event) {
[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/lib.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |   output: Mutex<Box<std::io::Write + Send>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[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/lib.rs:31:38
[INFO] [stderr]    |
[INFO] [stderr] 31 |   pub fn from_output(mut output: Box<std::io::Write + Send>) -> Tracer {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:33
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn write_event(mut output: &mut std::io::Write, event: Event) {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `"docker" "inspect" "39d10ea2af97464fee98e115c67dac8b178336f67c2d633c86b61ff58b5e52da"`
[INFO] running `"docker" "rm" "-f" "39d10ea2af97464fee98e115c67dac8b178336f67c2d633c86b61ff58b5e52da"`
[INFO] [stdout] 39d10ea2af97464fee98e115c67dac8b178336f67c2d633c86b61ff58b5e52da