[INFO] fetching crate smart-hash 0.1.2...
[INFO] checking smart-hash-0.1.2 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate smart-hash 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate smart-hash 0.1.2 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smart-hash 0.1.2
[INFO] finished tweaking crates.io crate smart-hash 0.1.2
[INFO] tweaked toml for crates.io crate smart-hash 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92aebd5152277728d9c18fae37700213d47f23ea05234a706bdb4a0109c9d8e3
[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" "92aebd5152277728d9c18fae37700213d47f23ea05234a706bdb4a0109c9d8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92aebd5152277728d9c18fae37700213d47f23ea05234a706bdb4a0109c9d8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92aebd5152277728d9c18fae37700213d47f23ea05234a706bdb4a0109c9d8e3", kill_on_drop: false }`
[INFO] [stdout] 92aebd5152277728d9c18fae37700213d47f23ea05234a706bdb4a0109c9d8e3
[INFO] running `Command { std: "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" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11c009c970c76b6701ad4a72e569d0f666f47bda5f5e30b71521a67fdbb217d4
[INFO] running `Command { std: "docker" "start" "-a" "11c009c970c76b6701ad4a72e569d0f666f47bda5f5e30b71521a67fdbb217d4", kill_on_drop: false }`
[INFO] [stderr]     Checking smart-hash v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated type `option` should have an upper camel case name
[INFO] [stdout]  --> src/traits.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     type option;
[INFO] [stdout]   |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Option`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `output` should have an upper camel case name
[INFO] [stdout]   --> src/traits.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     type output;
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `option` should have an upper camel case name
[INFO] [stdout]   --> src/traits.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     type option;
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `option` should have an upper camel case name
[INFO] [stdout]  --> src/traits.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     type option;
[INFO] [stdout]   |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Option`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `output` should have an upper camel case name
[INFO] [stdout]   --> src/traits.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     type output;
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated type `option` should have an upper camel case name
[INFO] [stdout]   --> src/traits.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     type option;
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Option`
[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 0.46s
[INFO] running `Command { std: "docker" "inspect" "11c009c970c76b6701ad4a72e569d0f666f47bda5f5e30b71521a67fdbb217d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c009c970c76b6701ad4a72e569d0f666f47bda5f5e30b71521a67fdbb217d4", kill_on_drop: false }`
[INFO] [stdout] 11c009c970c76b6701ad4a72e569d0f666f47bda5f5e30b71521a67fdbb217d4