[INFO] fetching crate bdrck_test 0.1.1...
[INFO] checking bdrck_test-0.1.1 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate bdrck_test 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bdrck_test 0.1.1 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bdrck_test 0.1.1
[INFO] finished tweaking crates.io crate bdrck_test 0.1.1
[INFO] tweaked toml for crates.io crate bdrck_test 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0edb2ad2b56963af747b1cfcf332de3a2af1eae57a3f14449b636251a2fdcbb1
[INFO] running `Command { std: "docker" "start" "-a" "0edb2ad2b56963af747b1cfcf332de3a2af1eae57a3f14449b636251a2fdcbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0edb2ad2b56963af747b1cfcf332de3a2af1eae57a3f14449b636251a2fdcbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0edb2ad2b56963af747b1cfcf332de3a2af1eae57a3f14449b636251a2fdcbb1", kill_on_drop: false }`
[INFO] [stdout] 0edb2ad2b56963af747b1cfcf332de3a2af1eae57a3f14449b636251a2fdcbb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 846b70becac29832480d36009321ecb52ac9ca3aee3fc995403fa6ba6dc3230f
[INFO] running `Command { std: "docker" "start" "-a" "846b70becac29832480d36009321ecb52ac9ca3aee3fc995403fa6ba6dc3230f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bdrck_test v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fn_instrumentation.rs:41:31
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut function: Box<FnMut()> = Box::new(|| { instrumentation.record_call(); });
[INFO] [stdout]    |                               ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "846b70becac29832480d36009321ecb52ac9ca3aee3fc995403fa6ba6dc3230f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846b70becac29832480d36009321ecb52ac9ca3aee3fc995403fa6ba6dc3230f", kill_on_drop: false }`
[INFO] [stdout] 846b70becac29832480d36009321ecb52ac9ca3aee3fc995403fa6ba6dc3230f