[INFO] fetching crate signals 0.0.5...
[INFO] checking signals-0.0.5 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate signals 0.0.5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate signals 0.0.5 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signals 0.0.5
[INFO] finished tweaking crates.io crate signals 0.0.5
[INFO] tweaked toml for crates.io crate signals 0.0.5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 861985fc8fc8104bb5c65520829869ee881ee833b30b200a685304c1fc2c3a32
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "861985fc8fc8104bb5c65520829869ee881ee833b30b200a685304c1fc2c3a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "861985fc8fc8104bb5c65520829869ee881ee833b30b200a685304c1fc2c3a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861985fc8fc8104bb5c65520829869ee881ee833b30b200a685304c1fc2c3a32", kill_on_drop: false }`
[INFO] [stdout] 861985fc8fc8104bb5c65520829869ee881ee833b30b200a685304c1fc2c3a32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 913a53a0ab2710bbd3a9ce83e9729a3bb6807fa4271e8fd4821f728189f0ddb4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "913a53a0ab2710bbd3a9ce83e9729a3bb6807fa4271e8fd4821f728189f0ddb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking signals v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated type `input` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type input;
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub type AmEmitter<T> = Am<Emitter<input=T>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Emitter<input=T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 | type WmEmitter<T> = Wm<Emitter<input=T>>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Emitter<input=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `input` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |     type input;
[INFO] [stdout]    |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:81:28
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub type AmEmitter<T> = Am<Emitter<input=T>>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Emitter<input=T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 | type WmEmitter<T> = Wm<Emitter<input=T>>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Emitter<input=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.31s
[INFO] running `Command { std: "docker" "inspect" "913a53a0ab2710bbd3a9ce83e9729a3bb6807fa4271e8fd4821f728189f0ddb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913a53a0ab2710bbd3a9ce83e9729a3bb6807fa4271e8fd4821f728189f0ddb4", kill_on_drop: false }`
[INFO] [stdout] 913a53a0ab2710bbd3a9ce83e9729a3bb6807fa4271e8fd4821f728189f0ddb4