[INFO] fetching crate parity-scale-codec-derive 2.2.0...
[INFO] checking parity-scale-codec-derive-2.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate parity-scale-codec-derive 2.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate parity-scale-codec-derive 2.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parity-scale-codec-derive 2.2.0
[INFO] finished tweaking crates.io crate parity-scale-codec-derive 2.2.0
[INFO] tweaked toml for crates.io crate parity-scale-codec-derive 2.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3a8a26919fc576b3e347d37a564cd6889f7aa74d7d6056b9b3c279234d3122b
[INFO] running `Command { std: "docker" "start" "-a" "b3a8a26919fc576b3e347d37a564cd6889f7aa74d7d6056b9b3c279234d3122b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3a8a26919fc576b3e347d37a564cd6889f7aa74d7d6056b9b3c279234d3122b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a8a26919fc576b3e347d37a564cd6889f7aa74d7d6056b9b3c279234d3122b", kill_on_drop: false }`
[INFO] [stdout] b3a8a26919fc576b3e347d37a564cd6889f7aa74d7d6056b9b3c279234d3122b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f468789cd64f7a90ae0b1ab65d5c72549eeeabaa8653389bfa503e9f8df44c9e
[INFO] running `Command { std: "docker" "start" "-a" "f468789cd64f7a90ae0b1ab65d5c72549eeeabaa8653389bfa503e9f8df44c9e", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking proc-macro-crate v1.0.0
[INFO] [stderr]     Checking parity-scale-codec-derive v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `crate_access`
[INFO] [stdout]    --> src/utils.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn crate_access() -> syn::Result<Ident> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `codec_crate_path`
[INFO] [stdout]    --> src/utils.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub fn codec_crate_path(attrs: &[Attribute]) -> syn::Result<Path> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `custom_mel_trait_bound`
[INFO] [stdout]    --> src/utils.rs:227:8
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub fn custom_mel_trait_bound(attrs: &[Attribute]) -> Option<TraitBounds> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `crate_access`
[INFO] [stdout]    --> src/utils.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn crate_access() -> syn::Result<Ident> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `codec_crate_path`
[INFO] [stdout]    --> src/utils.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub fn codec_crate_path(attrs: &[Attribute]) -> syn::Result<Path> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `custom_mel_trait_bound`
[INFO] [stdout]    --> src/utils.rs:227:8
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub fn custom_mel_trait_bound(attrs: &[Attribute]) -> Option<TraitBounds> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.26s
[INFO] running `Command { std: "docker" "inspect" "f468789cd64f7a90ae0b1ab65d5c72549eeeabaa8653389bfa503e9f8df44c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f468789cd64f7a90ae0b1ab65d5c72549eeeabaa8653389bfa503e9f8df44c9e", kill_on_drop: false }`
[INFO] [stdout] f468789cd64f7a90ae0b1ab65d5c72549eeeabaa8653389bfa503e9f8df44c9e