[INFO] fetching crate c2-sys 0.2.0...
[INFO] checking c2-sys-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate c2-sys 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate c2-sys 0.2.0
[INFO] finished tweaking crates.io crate c2-sys 0.2.0
[INFO] tweaked toml for crates.io crate c2-sys 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate c2-sys 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef78b71450a2e102a59dd546f090dc520a7dd5a486004413124a7b3a55251e02
[INFO] running `Command { std: "docker" "start" "-a" "ef78b71450a2e102a59dd546f090dc520a7dd5a486004413124a7b3a55251e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef78b71450a2e102a59dd546f090dc520a7dd5a486004413124a7b3a55251e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef78b71450a2e102a59dd546f090dc520a7dd5a486004413124a7b3a55251e02", kill_on_drop: false }`
[INFO] [stdout] ef78b71450a2e102a59dd546f090dc520a7dd5a486004413124a7b3a55251e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abe1b62d932bfbbf818d15cd724c219117660a27fa3aeb84af86b54d08f8c8c5
[INFO] running `Command { std: "docker" "start" "-a" "abe1b62d932bfbbf818d15cd724c219117660a27fa3aeb84af86b54d08f8c8c5", kill_on_drop: false }`
[INFO] [stderr]     Checking c2-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `d` is never read
[INFO] [stdout]     --> src/lib.rs:1316:5
[INFO] [stdout]      |
[INFO] [stdout] 1312 | struct c2Simplex {
[INFO] [stdout]      |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1316 |     d: c2sv,
[INFO] [stdout]      |     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `c2Simplex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `d` is never read
[INFO] [stdout]     --> src/lib.rs:1316:5
[INFO] [stdout]      |
[INFO] [stdout] 1312 | struct c2Simplex {
[INFO] [stdout]      |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1316 |     d: c2sv,
[INFO] [stdout]      |     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `c2Simplex` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "abe1b62d932bfbbf818d15cd724c219117660a27fa3aeb84af86b54d08f8c8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe1b62d932bfbbf818d15cd724c219117660a27fa3aeb84af86b54d08f8c8c5", kill_on_drop: false }`
[INFO] [stdout] abe1b62d932bfbbf818d15cd724c219117660a27fa3aeb84af86b54d08f8c8c5