[INFO] fetching crate parity-scale-codec-derive 3.6.12...
[INFO] checking parity-scale-codec-derive-3.6.12 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate parity-scale-codec-derive 3.6.12 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate parity-scale-codec-derive 3.6.12 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parity-scale-codec-derive 3.6.12
[INFO] finished tweaking crates.io crate parity-scale-codec-derive 3.6.12
[INFO] tweaked toml for crates.io crate parity-scale-codec-derive 3.6.12 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc0c6196e2a945c2ca0255673726e9fc1fe14b54b085a6e4a63683a350ad688b
[INFO] running `Command { std: "docker" "start" "-a" "dc0c6196e2a945c2ca0255673726e9fc1fe14b54b085a6e4a63683a350ad688b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc0c6196e2a945c2ca0255673726e9fc1fe14b54b085a6e4a63683a350ad688b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0c6196e2a945c2ca0255673726e9fc1fe14b54b085a6e4a63683a350ad688b", kill_on_drop: false }`
[INFO] [stdout] dc0c6196e2a945c2ca0255673726e9fc1fe14b54b085a6e4a63683a350ad688b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51506e1c00f1dcb1fb9bbb9cb10c4a69bcd5af5a821ec57895e49c4d44c774f2
[INFO] running `Command { std: "docker" "start" "-a" "51506e1c00f1dcb1fb9bbb9cb10c4a69bcd5af5a821ec57895e49c4d44c774f2", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking winnow v0.6.20
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking proc-macro-crate v3.2.0
[INFO] [stderr]     Checking parity-scale-codec-derive v3.6.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/encode.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(&'a Field),
[INFO] [stdout]     |     ---- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/encode.rs:106:7
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(&'a Field),
[INFO] [stdout]     |     ---- ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Skip(()),
[INFO] [stdout]     |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `Command { std: "docker" "inspect" "51506e1c00f1dcb1fb9bbb9cb10c4a69bcd5af5a821ec57895e49c4d44c774f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51506e1c00f1dcb1fb9bbb9cb10c4a69bcd5af5a821ec57895e49c4d44c774f2", kill_on_drop: false }`
[INFO] [stdout] 51506e1c00f1dcb1fb9bbb9cb10c4a69bcd5af5a821ec57895e49c4d44c774f2