[INFO] fetching crate scones_examples 0.1.2...
[INFO] checking scones_examples-0.1.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate scones_examples 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate scones_examples 0.1.2
[INFO] finished tweaking crates.io crate scones_examples 0.1.2
[INFO] tweaked toml for crates.io crate scones_examples 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scones_examples 0.1.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 13 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scones_macros v0.1.2
[INFO] [stderr]   Downloaded scones v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f9979829490ce0a422795d4c54b692704b266ba25b3d58d1a3a8ef3587ca71a3
[INFO] running `Command { std: "docker" "start" "-a" "f9979829490ce0a422795d4c54b692704b266ba25b3d58d1a3a8ef3587ca71a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9979829490ce0a422795d4c54b692704b266ba25b3d58d1a3a8ef3587ca71a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9979829490ce0a422795d4c54b692704b266ba25b3d58d1a3a8ef3587ca71a3", kill_on_drop: false }`
[INFO] [stdout] f9979829490ce0a422795d4c54b692704b266ba25b3d58d1a3a8ef3587ca71a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a1c1f15e6529679616e4e898fb3234a0cb3e11d3b6ee5ca21a2e15a7e5199952
[INFO] running `Command { std: "docker" "start" "-a" "a1c1f15e6529679616e4e898fb3234a0cb3e11d3b6ee5ca21a2e15a7e5199952", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling scones_macros v0.1.2
[INFO] [stderr]     Checking scones v0.1.2
[INFO] [stderr]     Checking scones_examples v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/lib.rs:164:37
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct TupleStruct(
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 164 |     #[value(30 for default_number)] i32,
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 165 |     #[value("Unnamed".to_owned() for TupleStructBuilder)] String,
[INFO] [stdout]     |                                                           ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SconesAndDerive` is never constructed
[INFO] [stdout]    --> src/lib.rs:312:8
[INFO] [stdout]     |
[INFO] [stdout] 312 | struct SconesAndDerive { }
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:164:37
[INFO] [stdout]     |
[INFO] [stdout] 163 | pub struct TupleStruct(
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 164 |     #[value(30 for default_number)] i32,
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 164 -     #[value(30 for default_number)] i32,
[INFO] [stdout] 164 +     #[value(30 for default_number)] (),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SconesAndDerive` is never constructed
[INFO] [stdout]    --> src/lib.rs:312:8
[INFO] [stdout]     |
[INFO] [stdout] 312 | struct SconesAndDerive { }
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "a1c1f15e6529679616e4e898fb3234a0cb3e11d3b6ee5ca21a2e15a7e5199952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1c1f15e6529679616e4e898fb3234a0cb3e11d3b6ee5ca21a2e15a7e5199952", kill_on_drop: false }`
[INFO] [stdout] a1c1f15e6529679616e4e898fb3234a0cb3e11d3b6ee5ca21a2e15a7e5199952