[INFO] fetching crate ron-reboot 0.1.0-preview11...
[INFO] checking ron-reboot-0.1.0-preview11 against try#c05ee43175e02d208faed1fcc0f436c56e48bba6 for pr-92413
[INFO] extracting crate ron-reboot 0.1.0-preview11 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate ron-reboot 0.1.0-preview11 on toolchain c05ee43175e02d208faed1fcc0f436c56e48bba6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ron-reboot 0.1.0-preview11
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ron-reboot 0.1.0-preview11
[INFO] tweaked toml for crates.io crate ron-reboot 0.1.0-preview11 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate crates.io crate ron-reboot 0.1.0-preview11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ron v0.6.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20a570548716c4faab3a035f491a928d8402edb208036dfda6fb814141667486
[INFO] running `Command { std: "docker" "start" "-a" "20a570548716c4faab3a035f491a928d8402edb208036dfda6fb814141667486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20a570548716c4faab3a035f491a928d8402edb208036dfda6fb814141667486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20a570548716c4faab3a035f491a928d8402edb208036dfda6fb814141667486", kill_on_drop: false }`
[INFO] [stdout] 20a570548716c4faab3a035f491a928d8402edb208036dfda6fb814141667486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6517b3d91114819c0884555f5a6908f0a6d559396e8e09b16628b44e1f635fbb
[INFO] running `Command { std: "docker" "start" "-a" "6517b3d91114819c0884555f5a6908f0a6d559396e8e09b16628b44e1f635fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking ron v0.6.6
[INFO] [stderr]     Checking ron-reboot v0.1.0-preview11 (/opt/rustwide/workdir)
[INFO] [stdout] error: lifetime parameter `'a` never used
[INFO] [stdout]    --> src/utf8_parser/pt.rs:500:6
[INFO] [stdout]     |
[INFO] [stdout] 500 | impl<'a, T, T2> FromExt<Vec<T>> for Vec<T2>
[INFO] [stdout]     |      ^^--
[INFO] [stdout]     |      |
[INFO] [stdout]     |      help: elide the unused lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lifetime parameter `'a` never used
[INFO] [stdout]    --> src/utf8_parser/pt.rs:500:6
[INFO] [stdout]     |
[INFO] [stdout] 500 | impl<'a, T, T2> FromExt<Vec<T>> for Vec<T2>
[INFO] [stdout]     |      ^^--
[INFO] [stdout]     |      |
[INFO] [stdout]     |      help: elide the unused lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `private`
[INFO] [stdout]   --> src/utf8_parser/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     private: (),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ron-reboot` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field is never read: `private`
[INFO] [stdout]   --> src/utf8_parser/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     private: (),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6517b3d91114819c0884555f5a6908f0a6d559396e8e09b16628b44e1f635fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6517b3d91114819c0884555f5a6908f0a6d559396e8e09b16628b44e1f635fbb", kill_on_drop: false }`
[INFO] [stdout] 6517b3d91114819c0884555f5a6908f0a6d559396e8e09b16628b44e1f635fbb