[INFO] fetching crate codegen-rs 0.1.4...
[INFO] checking codegen-rs-0.1.4 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate codegen-rs 0.1.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate codegen-rs 0.1.4 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 codegen-rs 0.1.4
[INFO] finished tweaking crates.io crate codegen-rs 0.1.4
[INFO] tweaked toml for crates.io crate codegen-rs 0.1.4 written to /workspace/builds/worker-12/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6eaa737a0066815bae345eaf0fea6aa0fe1b8771d2e58095e49ca3be4247765c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6eaa737a0066815bae345eaf0fea6aa0fe1b8771d2e58095e49ca3be4247765c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eaa737a0066815bae345eaf0fea6aa0fe1b8771d2e58095e49ca3be4247765c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eaa737a0066815bae345eaf0fea6aa0fe1b8771d2e58095e49ca3be4247765c", kill_on_drop: false }`
[INFO] [stdout] 6eaa737a0066815bae345eaf0fea6aa0fe1b8771d2e58095e49ca3be4247765c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 55beb484d896b3dbb6e32cf446fb2e485569aa18792a227458499aa3036cab59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "55beb484d896b3dbb6e32cf446fb2e485569aa18792a227458499aa3036cab59", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking codegen-rs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]  --> src/import.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     line: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `docs`
[INFO] [stdout]   --> src/module.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     docs: Option<Docs>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `docs`
[INFO] [stdout]   --> src/scope.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     docs: Option<Docs>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `macros`
[INFO] [stdout]   --> src/trait.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     macros: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]  --> src/import.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     line: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `docs`
[INFO] [stdout]   --> src/module.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     docs: Option<Docs>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `docs`
[INFO] [stdout]   --> src/scope.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     docs: Option<Docs>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `macros`
[INFO] [stdout]   --> src/trait.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     macros: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "55beb484d896b3dbb6e32cf446fb2e485569aa18792a227458499aa3036cab59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55beb484d896b3dbb6e32cf446fb2e485569aa18792a227458499aa3036cab59", kill_on_drop: false }`
[INFO] [stdout] 55beb484d896b3dbb6e32cf446fb2e485569aa18792a227458499aa3036cab59