[INFO] fetching crate oura 1.9.1...
[INFO] checking oura-1.9.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate oura 1.9.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate oura 1.9.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oura 1.9.1
[INFO] finished tweaking crates.io crate oura 1.9.1
[INFO] tweaked toml for crates.io crate oura 1.9.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate oura 1.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5d39b47cf0e85657f219ba5e35776bb7565ea19c686111ceda1febe18bfe9f1
[INFO] running `Command { std: "docker" "start" "-a" "c5d39b47cf0e85657f219ba5e35776bb7565ea19c686111ceda1febe18bfe9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5d39b47cf0e85657f219ba5e35776bb7565ea19c686111ceda1febe18bfe9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d39b47cf0e85657f219ba5e35776bb7565ea19c686111ceda1febe18bfe9f1", kill_on_drop: false }`
[INFO] [stdout] c5d39b47cf0e85657f219ba5e35776bb7565ea19c686111ceda1febe18bfe9f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f88a62697106346a479994fed4ce5dd139c8ddcac5050407a3290760de48ccc
[INFO] running `Command { std: "docker" "start" "-a" "9f88a62697106346a479994fed4ce5dd139c8ddcac5050407a3290760de48ccc", kill_on_drop: false }`
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[INFO] [stderr]     Checking pallas-traverse v0.30.1
[INFO] [stderr]     Checking oura v1.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ChainState` is never constructed
[INFO] [stdout]   --> src/utils/metrics.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) struct ChainState {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChainState` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChainState` is never constructed
[INFO] [stdout]   --> src/utils/metrics.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) struct ChainState {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChainState` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 34.87s
[INFO] running `Command { std: "docker" "inspect" "9f88a62697106346a479994fed4ce5dd139c8ddcac5050407a3290760de48ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f88a62697106346a479994fed4ce5dd139c8ddcac5050407a3290760de48ccc", kill_on_drop: false }`
[INFO] [stdout] 9f88a62697106346a479994fed4ce5dd139c8ddcac5050407a3290760de48ccc