[INFO] fetching crate struct_scheme 0.0.3...
[INFO] building struct_scheme-0.0.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate struct_scheme 0.0.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate struct_scheme 0.0.3
[INFO] finished tweaking crates.io crate struct_scheme 0.0.3
[INFO] tweaked toml for crates.io crate struct_scheme 0.0.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate struct_scheme 0.0.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded struct-scheme-derive-macros v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7e2a3a963958295f5386cdd1a820de362d5715db19ecc1ed42d412241c23deb
[INFO] running `Command { std: "docker" "start" "-a" "f7e2a3a963958295f5386cdd1a820de362d5715db19ecc1ed42d412241c23deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e2a3a963958295f5386cdd1a820de362d5715db19ecc1ed42d412241c23deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e2a3a963958295f5386cdd1a820de362d5715db19ecc1ed42d412241c23deb", kill_on_drop: false }`
[INFO] [stdout] f7e2a3a963958295f5386cdd1a820de362d5715db19ecc1ed42d412241c23deb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446232e7ea1a09d1ef2c0d5491d6918a3088fe7c224d39d4a1d5f692950897f8
[INFO] running `Command { std: "docker" "start" "-a" "446232e7ea1a09d1ef2c0d5491d6918a3088fe7c224d39d4a1d5f692950897f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling struct-scheme-derive-macros v0.1.3
[INFO] [stderr]    Compiling struct_scheme v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "446232e7ea1a09d1ef2c0d5491d6918a3088fe7c224d39d4a1d5f692950897f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446232e7ea1a09d1ef2c0d5491d6918a3088fe7c224d39d4a1d5f692950897f8", kill_on_drop: false }`
[INFO] [stdout] 446232e7ea1a09d1ef2c0d5491d6918a3088fe7c224d39d4a1d5f692950897f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 511cf5a661a56d46d6880b0234eb7c55619b98dcbb9f379b34b497a2ad58aafb
[INFO] running `Command { std: "docker" "start" "-a" "511cf5a661a56d46d6880b0234eb7c55619b98dcbb9f379b34b497a2ad58aafb", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct_scheme v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `number` and `text` are never read
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     struct A {
[INFO] [stdout]    |            - fields in this struct
[INFO] [stdout] 16 |         number: i32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 17 |         text: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "511cf5a661a56d46d6880b0234eb7c55619b98dcbb9f379b34b497a2ad58aafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511cf5a661a56d46d6880b0234eb7c55619b98dcbb9f379b34b497a2ad58aafb", kill_on_drop: false }`
[INFO] [stdout] 511cf5a661a56d46d6880b0234eb7c55619b98dcbb9f379b34b497a2ad58aafb