[INFO] fetching crate structsy 0.4.1...
[INFO] checking structsy-0.4.1 against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385
[INFO] extracting crate structsy 0.4.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate structsy 0.4.1 on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structsy 0.4.1
[INFO] finished tweaking crates.io crate structsy 0.4.1
[INFO] tweaked toml for crates.io crate structsy 0.4.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate structsy 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zigzag v0.1.0
[INFO] [stderr]   Downloaded structsy-derive v0.4.0
[INFO] [stderr]   Downloaded persy v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 437cfcc2be51b5b6fa314ba10705cad678bb60fd5197620253431bb0f0cbcbaa
[INFO] running `Command { std: "docker" "start" "-a" "437cfcc2be51b5b6fa314ba10705cad678bb60fd5197620253431bb0f0cbcbaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "437cfcc2be51b5b6fa314ba10705cad678bb60fd5197620253431bb0f0cbcbaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437cfcc2be51b5b6fa314ba10705cad678bb60fd5197620253431bb0f0cbcbaa", kill_on_drop: false }`
[INFO] [stdout] 437cfcc2be51b5b6fa314ba10705cad678bb60fd5197620253431bb0f0cbcbaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d741ea62e0aaf36e8d398fcf6dcd8b51df0ffc91d66e21b5041c5f253918f63
[INFO] running `Command { std: "docker" "start" "-a" "5d741ea62e0aaf36e8d398fcf6dcd8b51df0ffc91d66e21b5041c5f253918f63", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking unsigned-varint v0.7.1
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking zigzag v0.1.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling structsy-derive v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking persy v1.3.0
[INFO] [stderr]     Checking structsy v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> examples/projection.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct UserProjection {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 21 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UserProjection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.12s
[INFO] running `Command { std: "docker" "inspect" "5d741ea62e0aaf36e8d398fcf6dcd8b51df0ffc91d66e21b5041c5f253918f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d741ea62e0aaf36e8d398fcf6dcd8b51df0ffc91d66e21b5041c5f253918f63", kill_on_drop: false }`
[INFO] [stdout] 5d741ea62e0aaf36e8d398fcf6dcd8b51df0ffc91d66e21b5041c5f253918f63