[INFO] fetching crate minimal-yaml 0.1.5...
[INFO] checking minimal-yaml-0.1.5 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate minimal-yaml 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate minimal-yaml 0.1.5 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minimal-yaml 0.1.5
[INFO] finished tweaking crates.io crate minimal-yaml 0.1.5
[INFO] tweaked toml for crates.io crate minimal-yaml 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f231df6b597272c9738ef3fc79c4531b1955b46d4b18425cd2e3d922f8af5f43
[INFO] running `Command { std: "docker" "start" "-a" "f231df6b597272c9738ef3fc79c4531b1955b46d4b18425cd2e3d922f8af5f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f231df6b597272c9738ef3fc79c4531b1955b46d4b18425cd2e3d922f8af5f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f231df6b597272c9738ef3fc79c4531b1955b46d4b18425cd2e3d922f8af5f43", kill_on_drop: false }`
[INFO] [stdout] f231df6b597272c9738ef3fc79c4531b1955b46d4b18425cd2e3d922f8af5f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25853e43b9bdbed413270bfb599f155427bbb100954d03bfadb496fba209d270
[INFO] running `Command { std: "docker" "start" "-a" "25853e43b9bdbed413270bfb599f155427bbb100954d03bfadb496fba209d270", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking minimal-yaml v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `FlowOut`
[INFO] [stdout]   --> src/parse.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     FlowOut,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[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]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stdout] warning: variant is never constructed: `FlowOut`
[INFO] [stdout]   --> src/parse.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     FlowOut,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[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 [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "25853e43b9bdbed413270bfb599f155427bbb100954d03bfadb496fba209d270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25853e43b9bdbed413270bfb599f155427bbb100954d03bfadb496fba209d270", kill_on_drop: false }`
[INFO] [stdout] 25853e43b9bdbed413270bfb599f155427bbb100954d03bfadb496fba209d270