[INFO] fetching crate serde_yaml_ok 0.9.36...
[INFO] checking serde_yaml_ok-0.9.36 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate serde_yaml_ok 0.9.36 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate serde_yaml_ok 0.9.36 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_yaml_ok 0.9.36
[INFO] finished tweaking crates.io crate serde_yaml_ok 0.9.36
[INFO] tweaked toml for crates.io crate serde_yaml_ok 0.9.36 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86a86f1bd6df597093ab96ec64c72fbcf8ade0603fc2e99e28c737715739362f
[INFO] running `Command { std: "docker" "start" "-a" "86a86f1bd6df597093ab96ec64c72fbcf8ade0603fc2e99e28c737715739362f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86a86f1bd6df597093ab96ec64c72fbcf8ade0603fc2e99e28c737715739362f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a86f1bd6df597093ab96ec64c72fbcf8ade0603fc2e99e28c737715739362f", kill_on_drop: false }`
[INFO] [stdout] 86a86f1bd6df597093ab96ec64c72fbcf8ade0603fc2e99e28c737715739362f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 056b71583a14a05ba402b64b7023e4f1978e29943eb5ae67edd8c2b26d47411d
[INFO] running `Command { std: "docker" "start" "-a" "056b71583a14a05ba402b64b7023e4f1978e29943eb5ae67edd8c2b26d47411d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking serde_yaml_ok v0.9.36 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/de.rs:1181:17
[INFO] [stdout]      |
[INFO] [stdout] 1181 |                 Ok(void) => match void {},
[INFO] [stdout]      |                 ^^^^^^^^ matches no values because `Void` is uninhabited
[INFO] [stdout]      |
[INFO] [stdout]      = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/de.rs:1181:17
[INFO] [stdout]      |
[INFO] [stdout] 1181 |                 Ok(void) => match void {},
[INFO] [stdout]      |                 ^^^^^^^^ matches no values because `Void` is uninhabited
[INFO] [stdout]      |
[INFO] [stdout]      = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "056b71583a14a05ba402b64b7023e4f1978e29943eb5ae67edd8c2b26d47411d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056b71583a14a05ba402b64b7023e4f1978e29943eb5ae67edd8c2b26d47411d", kill_on_drop: false }`
[INFO] [stdout] 056b71583a14a05ba402b64b7023e4f1978e29943eb5ae67edd8c2b26d47411d