[INFO] cloning repository https://github.com/afresquet/learning-proc-macros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/afresquet/learning-proc-macros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafresquet%2Flearning-proc-macros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafresquet%2Flearning-proc-macros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 712c8aed54beb5767fa71cabe749a231ec4a04ae
[INFO] checking afresquet/learning-proc-macros/712c8aed54beb5767fa71cabe749a231ec4a04ae against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafresquet%2Flearning-proc-macros" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/afresquet/learning-proc-macros 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 git repo https://github.com/afresquet/learning-proc-macros
[INFO] finished tweaking git repo https://github.com/afresquet/learning-proc-macros
[INFO] tweaked toml for git repo https://github.com/afresquet/learning-proc-macros written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/afresquet/learning-proc-macros already has a lockfile, it will not be regenerated
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 67483a342116c5678fbdf530761ddef5d0a7436b00a3a310b6363d0827da5047
[INFO] running `Command { std: "docker" "start" "-a" "67483a342116c5678fbdf530761ddef5d0a7436b00a3a310b6363d0827da5047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67483a342116c5678fbdf530761ddef5d0a7436b00a3a310b6363d0827da5047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67483a342116c5678fbdf530761ddef5d0a7436b00a3a310b6363d0827da5047", kill_on_drop: false }`
[INFO] [stdout] 67483a342116c5678fbdf530761ddef5d0a7436b00a3a310b6363d0827da5047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 81ad2dbc5f68a98184021b5717b2ab6bf9846c02000174ced8d6d913cae41d5d
[INFO] running `Command { std: "docker" "start" "-a" "81ad2dbc5f68a98184021b5717b2ab6bf9846c02000174ced8d6d913cae41d5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling winnow v0.5.34
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.48
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling deluxe-core v0.5.0
[INFO] [stderr]     Checking reflective-derive v0.1.0 (/opt/rustwide/workdir/reflective-derive)
[INFO] [stderr]    Compiling deluxe-macros v0.5.0
[INFO] [stderr]    Compiling deluxe v0.5.0
[INFO] [stderr]     Checking metadata-derive v0.1.0 (/opt/rustwide/workdir/metadata-derive)
[INFO] [stderr]     Checking learning-proc-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Foo {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 10 |     a: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     b: bool,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     c: String,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Bar {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 29 |     #[metadata(author = "Alvaro")]
[INFO] [stdout] 30 |     a: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 31 |     b: bool,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Foo {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 10 |     a: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     b: bool,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     c: String,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a` and `b` are never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Bar {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 29 |     #[metadata(author = "Alvaro")]
[INFO] [stdout] 30 |     a: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 31 |     b: bool,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.20s
[INFO] running `Command { std: "docker" "inspect" "81ad2dbc5f68a98184021b5717b2ab6bf9846c02000174ced8d6d913cae41d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ad2dbc5f68a98184021b5717b2ab6bf9846c02000174ced8d6d913cae41d5d", kill_on_drop: false }`
[INFO] [stdout] 81ad2dbc5f68a98184021b5717b2ab6bf9846c02000174ced8d6d913cae41d5d