[INFO] fetching crate struct_scheme 0.0.3...
[INFO] checking struct_scheme-0.0.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate struct_scheme 0.0.3 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate struct_scheme 0.0.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01af7ff252f6778cfc4eee8e4cdc45bedb087bc528ea8f9636bb6523453f4f72
[INFO] running `Command { std: "docker" "start" "-a" "01af7ff252f6778cfc4eee8e4cdc45bedb087bc528ea8f9636bb6523453f4f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01af7ff252f6778cfc4eee8e4cdc45bedb087bc528ea8f9636bb6523453f4f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01af7ff252f6778cfc4eee8e4cdc45bedb087bc528ea8f9636bb6523453f4f72", kill_on_drop: false }`
[INFO] [stdout] 01af7ff252f6778cfc4eee8e4cdc45bedb087bc528ea8f9636bb6523453f4f72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fbc9644b1e6c2be40c1f59ea179b38f4ed233974b800fa2979d25adfad1dbe9
[INFO] running `Command { std: "docker" "start" "-a" "2fbc9644b1e6c2be40c1f59ea179b38f4ed233974b800fa2979d25adfad1dbe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling struct-scheme-derive-macros v0.1.3
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "2fbc9644b1e6c2be40c1f59ea179b38f4ed233974b800fa2979d25adfad1dbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbc9644b1e6c2be40c1f59ea179b38f4ed233974b800fa2979d25adfad1dbe9", kill_on_drop: false }`
[INFO] [stdout] 2fbc9644b1e6c2be40c1f59ea179b38f4ed233974b800fa2979d25adfad1dbe9