[INFO] fetching crate serde_yaml 0.8.21... [INFO] checking serde_yaml-0.8.21 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate serde_yaml 0.8.21 into /workspace/builds/worker-59/source [INFO] validating manifest of crates.io crate serde_yaml 0.8.21 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_yaml 0.8.21 [INFO] finished tweaking crates.io crate serde_yaml 0.8.21 [INFO] tweaked toml for crates.io crate serde_yaml 0.8.21 written to /workspace/builds/worker-59/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c6a31153c6f19036dc9870e49e63aff18c9e9623e20a0f6a983d216b2163d16 [INFO] running `Command { std: "docker" "start" "-a" "2c6a31153c6f19036dc9870e49e63aff18c9e9623e20a0f6a983d216b2163d16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c6a31153c6f19036dc9870e49e63aff18c9e9623e20a0f6a983d216b2163d16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c6a31153c6f19036dc9870e49e63aff18c9e9623e20a0f6a983d216b2163d16", kill_on_drop: false }` [INFO] [stdout] 2c6a31153c6f19036dc9870e49e63aff18c9e9623e20a0f6a983d216b2163d16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6afda06f5d61361b245b2cabb54fbf38ec76e34ce58e580ce50ff5ec63a5adfc [INFO] running `Command { std: "docker" "start" "-a" "6afda06f5d61361b245b2cabb54fbf38ec76e34ce58e580ce50ff5ec63a5adfc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Compiling anyhow v1.0.50 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling unindent v0.1.7 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Compiling indoc v1.0.3 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Checking serde_yaml v0.8.21 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `b` [INFO] [stdout] --> tests/test_error.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | b: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `d` [INFO] [stdout] --> tests/test_error.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | d: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `v` [INFO] [stdout] --> tests/test_error.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | v: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `w` [INFO] [stdout] --> tests/test_error.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | w: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `c` [INFO] [stdout] --> tests/test_error.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | c: (), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/test_error.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | x: [(); 1], [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/test_error.rs:235:9 [INFO] [stdout] | [INFO] [stdout] 235 | x: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/test_error.rs:247:9 [INFO] [stdout] | [INFO] [stdout] 247 | x: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/test_error.rs:259:9 [INFO] [stdout] | [INFO] [stdout] 259 | x: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> tests/test_error.rs:271:9 [INFO] [stdout] | [INFO] [stdout] 271 | x: Option>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.25s [INFO] running `Command { std: "docker" "inspect" "6afda06f5d61361b245b2cabb54fbf38ec76e34ce58e580ce50ff5ec63a5adfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6afda06f5d61361b245b2cabb54fbf38ec76e34ce58e580ce50ff5ec63a5adfc", kill_on_drop: false }` [INFO] [stdout] 6afda06f5d61361b245b2cabb54fbf38ec76e34ce58e580ce50ff5ec63a5adfc