[INFO] fetching crate yaml-rust-davvid 0.5.1...
[INFO] checking yaml-rust-davvid-0.5.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate yaml-rust-davvid 0.5.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate yaml-rust-davvid 0.5.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaml-rust-davvid 0.5.1
[INFO] finished tweaking crates.io crate yaml-rust-davvid 0.5.1
[INFO] tweaked toml for crates.io crate yaml-rust-davvid 0.5.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate crates.io crate yaml-rust-davvid 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d30daabd0fd0106f668f9e30c7533c19db5699ca42fd44877d7295f2abbfbe61
[INFO] running `Command { std: "docker" "start" "-a" "d30daabd0fd0106f668f9e30c7533c19db5699ca42fd44877d7295f2abbfbe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30daabd0fd0106f668f9e30c7533c19db5699ca42fd44877d7295f2abbfbe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30daabd0fd0106f668f9e30c7533c19db5699ca42fd44877d7295f2abbfbe61", kill_on_drop: false }`
[INFO] [stdout] d30daabd0fd0106f668f9e30c7533c19db5699ca42fd44877d7295f2abbfbe61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbeb480219cd4bc890cfa3e5fcfddc9f27b6bf88cd31d04fb8ecc6b5a400f530
[INFO] running `Command { std: "docker" "start" "-a" "fbeb480219cd4bc890cfa3e5fcfddc9f27b6bf88cd31d04fb8ecc6b5a400f530", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking yaml-rust-davvid v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stdout] warning: field is never read: `marks`
[INFO] [stdout]   --> src/parser.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     marks: Vec<Marker>,
[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]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stdout] warning: field is never read: `marks`
[INFO] [stdout]   --> src/parser.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     marks: Vec<Marker>,
[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 7.71s
[INFO] running `Command { std: "docker" "inspect" "fbeb480219cd4bc890cfa3e5fcfddc9f27b6bf88cd31d04fb8ecc6b5a400f530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbeb480219cd4bc890cfa3e5fcfddc9f27b6bf88cd31d04fb8ecc6b5a400f530", kill_on_drop: false }`
[INFO] [stdout] fbeb480219cd4bc890cfa3e5fcfddc9f27b6bf88cd31d04fb8ecc6b5a400f530