[INFO] fetching crate yake 0.5.3...
[INFO] checking yake-0.5.3 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate yake 0.5.3 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate yake 0.5.3 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 yake 0.5.3
[INFO] finished tweaking crates.io crate yake 0.5.3
[INFO] tweaked toml for crates.io crate yake 0.5.3 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate crates.io crate yake 0.5.3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.3
[INFO] [stderr]   Downloaded proc-macro-error v1.0.3
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] 255a5627ab61730baa611fc88293b131a4ec75f18f8227e73315da6e72efd9d6
[INFO] running `Command { std: "docker" "start" "-a" "255a5627ab61730baa611fc88293b131a4ec75f18f8227e73315da6e72efd9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "255a5627ab61730baa611fc88293b131a4ec75f18f8227e73315da6e72efd9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255a5627ab61730baa611fc88293b131a4ec75f18f8227e73315da6e72efd9d6", kill_on_drop: false }`
[INFO] [stdout] 255a5627ab61730baa611fc88293b131a4ec75f18f8227e73315da6e72efd9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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] a23d2a6b8bc315030fc4e2690be04d310ef213956db90326d61033672ca9c7bc
[INFO] running `Command { std: "docker" "start" "-a" "a23d2a6b8bc315030fc4e2690be04d310ef213956db90326d61033672ca9c7bc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking yake v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]    --> src/yake.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     meta: YakeMeta,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `doc`
[INFO] [stdout]    --> src/yake.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     doc: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]    --> src/yake.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     version: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `recurse`
[INFO] [stdout]    --> src/yake.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     recurse: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]    --> src/yake.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     meta: YakeTargetMeta,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `doc`
[INFO] [stdout]    --> src/yake.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     doc: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `target_type`
[INFO] [stdout]    --> src/yake.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     target_type: YakeTargetType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `meta`
[INFO] [stdout]    --> src/yake.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     meta: YakeMeta,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `doc`
[INFO] [stdout]    --> src/yake.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     doc: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]    --> src/yake.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     version: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `recurse`
[INFO] [stdout]    --> src/yake.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     recurse: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `target_type`
[INFO] [stdout]    --> src/yake.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     target_type: YakeTargetType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.16s
[INFO] running `Command { std: "docker" "inspect" "a23d2a6b8bc315030fc4e2690be04d310ef213956db90326d61033672ca9c7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23d2a6b8bc315030fc4e2690be04d310ef213956db90326d61033672ca9c7bc", kill_on_drop: false }`
[INFO] [stdout] a23d2a6b8bc315030fc4e2690be04d310ef213956db90326d61033672ca9c7bc