[INFO] fetching crate serde_yaml 0.9.34+deprecated...
[INFO] checking serde_yaml-0.9.34+deprecated against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate serde_yaml 0.9.34+deprecated into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate serde_yaml 0.9.34+deprecated on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_yaml 0.9.34+deprecated
[INFO] finished tweaking crates.io crate serde_yaml 0.9.34+deprecated
[INFO] tweaked toml for crates.io crate serde_yaml 0.9.34+deprecated written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6f558286a50fa24e47845d8ff6f095926f03986f133af519a3c484e488d3561
[INFO] running `Command { std: "docker" "start" "-a" "c6f558286a50fa24e47845d8ff6f095926f03986f133af519a3c484e488d3561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6f558286a50fa24e47845d8ff6f095926f03986f133af519a3c484e488d3561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f558286a50fa24e47845d8ff6f095926f03986f133af519a3c484e488d3561", kill_on_drop: false }`
[INFO] [stdout] c6f558286a50fa24e47845d8ff6f095926f03986f133af519a3c484e488d3561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4befa352a1dc76142dcd531ed25499ca9a6c7cca319582a57356e7dbb1d8d189
[INFO] running `Command { std: "docker" "start" "-a" "4befa352a1dc76142dcd531ed25499ca9a6c7cca319582a57356e7dbb1d8d189", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated (/opt/rustwide/workdir)
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "4befa352a1dc76142dcd531ed25499ca9a6c7cca319582a57356e7dbb1d8d189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4befa352a1dc76142dcd531ed25499ca9a6c7cca319582a57356e7dbb1d8d189", kill_on_drop: false }`
[INFO] [stdout] 4befa352a1dc76142dcd531ed25499ca9a6c7cca319582a57356e7dbb1d8d189
[INFO] checking serde_yaml-0.9.34+deprecated against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate serde_yaml 0.9.34+deprecated into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate serde_yaml 0.9.34+deprecated on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_yaml 0.9.34+deprecated
[INFO] finished tweaking crates.io crate serde_yaml 0.9.34+deprecated
[INFO] tweaked toml for crates.io crate serde_yaml 0.9.34+deprecated written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7def4503ffa99a0acb3f9dca1339403b0fdf5716caceebaff7a465cd29239b69
[INFO] running `Command { std: "docker" "start" "-a" "7def4503ffa99a0acb3f9dca1339403b0fdf5716caceebaff7a465cd29239b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7def4503ffa99a0acb3f9dca1339403b0fdf5716caceebaff7a465cd29239b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7def4503ffa99a0acb3f9dca1339403b0fdf5716caceebaff7a465cd29239b69", kill_on_drop: false }`
[INFO] [stdout] 7def4503ffa99a0acb3f9dca1339403b0fdf5716caceebaff7a465cd29239b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f24bf242e20095d4ccc3b2fc47a743e0887e648215a205139ee3c8f7f29e1e
[INFO] running `Command { std: "docker" "start" "-a" "b9f24bf242e20095d4ccc3b2fc47a743e0887e648215a205139ee3c8f7f29e1e", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated (/opt/rustwide/workdir)
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "b9f24bf242e20095d4ccc3b2fc47a743e0887e648215a205139ee3c8f7f29e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f24bf242e20095d4ccc3b2fc47a743e0887e648215a205139ee3c8f7f29e1e", kill_on_drop: false }`
[INFO] [stdout] b9f24bf242e20095d4ccc3b2fc47a743e0887e648215a205139ee3c8f7f29e1e