[INFO] fetching crate structsy-derive 0.5.2...
[INFO] building structsy-derive-0.5.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate structsy-derive 0.5.2 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate structsy-derive 0.5.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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 darling v0.14.4 (available: v0.21.3)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 988b90a5450467b9fce805f4ba0df9b2f2c80c92c88a402de1a8fe1648b20e10
[INFO] running `Command { std: "docker" "start" "-a" "988b90a5450467b9fce805f4ba0df9b2f2c80c92c88a402de1a8fe1648b20e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "988b90a5450467b9fce805f4ba0df9b2f2c80c92c88a402de1a8fe1648b20e10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "988b90a5450467b9fce805f4ba0df9b2f2c80c92c88a402de1a8fe1648b20e10", kill_on_drop: false }`
[INFO] [stdout] 988b90a5450467b9fce805f4ba0df9b2f2c80c92c88a402de1a8fe1648b20e10
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6c50a676c1f8fc4475d9c497b3ce5644ec1318bda3dd8dd7311fc41c0b274e5
[INFO] running `Command { std: "docker" "start" "-a" "b6c50a676c1f8fc4475d9c497b3ce5644ec1318bda3dd8dd7311fc41c0b274e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling 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-1949cf8c6b5b557f/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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "b6c50a676c1f8fc4475d9c497b3ce5644ec1318bda3dd8dd7311fc41c0b274e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c50a676c1f8fc4475d9c497b3ce5644ec1318bda3dd8dd7311fc41c0b274e5", kill_on_drop: false }`
[INFO] [stdout] b6c50a676c1f8fc4475d9c497b3ce5644ec1318bda3dd8dd7311fc41c0b274e5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5effa0ebc1548a91d9338da2bee56690b03a2ef65ad22778daadeb1baeaebd
[INFO] running `Command { std: "docker" "start" "-a" "4e5effa0ebc1548a91d9338da2bee56690b03a2ef65ad22778daadeb1baeaebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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-1949cf8c6b5b557f/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: 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-1949cf8c6b5b557f/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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "4e5effa0ebc1548a91d9338da2bee56690b03a2ef65ad22778daadeb1baeaebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5effa0ebc1548a91d9338da2bee56690b03a2ef65ad22778daadeb1baeaebd", kill_on_drop: false }`
[INFO] [stdout] 4e5effa0ebc1548a91d9338da2bee56690b03a2ef65ad22778daadeb1baeaebd