[INFO] fetching crate structsy-derive 0.5.2...
[INFO] checking structsy-derive-0.5.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate structsy-derive 0.5.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate structsy-derive 0.5.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structsy-derive 0.5.2
[INFO] finished tweaking crates.io crate structsy-derive 0.5.2
[INFO] tweaked toml for crates.io crate structsy-derive 0.5.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.14.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_core v0.14.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_macro v0.14.4 (latest: v0.20.10)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e7dec4d14959a07e51a340ecd1b452d6a8c5dad7ca27b45ab321f3798d8a2b3
[INFO] running `Command { std: "docker" "start" "-a" "0e7dec4d14959a07e51a340ecd1b452d6a8c5dad7ca27b45ab321f3798d8a2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e7dec4d14959a07e51a340ecd1b452d6a8c5dad7ca27b45ab321f3798d8a2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7dec4d14959a07e51a340ecd1b452d6a8c5dad7ca27b45ab321f3798d8a2b3", kill_on_drop: false }`
[INFO] [stdout] 0e7dec4d14959a07e51a340ecd1b452d6a8c5dad7ca27b45ab321f3798d8a2b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 351906a94ae0e9d001461753efcedfb8ab1fa57ca1644c4778487829179adc4a
[INFO] running `Command { std: "docker" "start" "-a" "351906a94ae0e9d001461753efcedfb8ab1fa57ca1644c4778487829179adc4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking unicode-xid v0.2.5
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]     Checking synstructure v0.12.6
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]     Checking structsy-derive v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/queries.rs:114:49
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     if let Type::Path(ref p) = t.borrow() {
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `syn::Type` does not implement `Borrow`, so calling `borrow` on `&syn::Type` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 114 -                     if let Type::Path(ref p) = t.borrow() {
[INFO] [stdout] 114 +                     if let Type::Path(ref p) = t {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `syn::Type`, implement `Clone` for it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/macros.rs:170:26
[INFO] [stdout]     |
[INFO] [stdout] 170 |         $mac!([$(#[$m])* #[derive(Clone)]
[INFO] [stdout]     |                          ++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/queries.rs:114:49
[INFO] [stdout]     |
[INFO] [stdout] 114 |                     if let Type::Path(ref p) = t.borrow() {
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `syn::Type` does not implement `Borrow`, so calling `borrow` on `&syn::Type` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 114 -                     if let Type::Path(ref p) = t.borrow() {
[INFO] [stdout] 114 +                     if let Type::Path(ref p) = t {
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `syn::Type`, implement `Clone` for it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/macros.rs:170:26
[INFO] [stdout]     |
[INFO] [stdout] 170 |         $mac!([$(#[$m])* #[derive(Clone)]
[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 6.28s
[INFO] running `Command { std: "docker" "inspect" "351906a94ae0e9d001461753efcedfb8ab1fa57ca1644c4778487829179adc4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351906a94ae0e9d001461753efcedfb8ab1fa57ca1644c4778487829179adc4a", kill_on_drop: false }`
[INFO] [stdout] 351906a94ae0e9d001461753efcedfb8ab1fa57ca1644c4778487829179adc4a