[INFO] fetching crate cranelift-codegen-meta 0.75.0...
[INFO] checking cranelift-codegen-meta-0.75.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate cranelift-codegen-meta 0.75.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cranelift-codegen-meta 0.75.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cranelift-codegen-meta 0.75.0
[INFO] finished tweaking crates.io crate cranelift-codegen-meta 0.75.0
[INFO] tweaked toml for crates.io crate cranelift-codegen-meta 0.75.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7591adf48ce5f086c4ff9efd103d0497b576deb2779c4e2995df9a468afb708
[INFO] running `Command { std: "docker" "start" "-a" "c7591adf48ce5f086c4ff9efd103d0497b576deb2779c4e2995df9a468afb708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7591adf48ce5f086c4ff9efd103d0497b576deb2779c4e2995df9a468afb708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7591adf48ce5f086c4ff9efd103d0497b576deb2779c4e2995df9a468afb708", kill_on_drop: false }`
[INFO] [stdout] c7591adf48ce5f086c4ff9efd103d0497b576deb2779c4e2995df9a468afb708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7edb14bd606a9c17c15f4acd6692c8066447184f8417d03f6bb2858caad33f36
[INFO] running `Command { std: "docker" "start" "-a" "7edb14bd606a9c17c15f4acd6692c8066447184f8417d03f6bb2858caad33f36", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cranelift-codegen-shared v0.75.0
[INFO] [stderr]     Checking cranelift-entity v0.75.0
[INFO] [stderr]     Checking cranelift-codegen-meta v0.75.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `instructions`
[INFO] [stdout]   --> src/cdsl/isa.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub instructions: InstructionGroup,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instructions`
[INFO] [stdout]   --> src/cdsl/isa.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub instructions: InstructionGroup,
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "7edb14bd606a9c17c15f4acd6692c8066447184f8417d03f6bb2858caad33f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edb14bd606a9c17c15f4acd6692c8066447184f8417d03f6bb2858caad33f36", kill_on_drop: false }`
[INFO] [stdout] 7edb14bd606a9c17c15f4acd6692c8066447184f8417d03f6bb2858caad33f36