[INFO] fetching crate proc-easy 0.4.0...
[INFO] building proc-easy-0.4.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate proc-easy 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate proc-easy 0.4.0
[INFO] finished tweaking crates.io crate proc-easy 0.4.0
[INFO] tweaked toml for crates.io crate proc-easy 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-easy 0.4.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c30ab43dbff6df4832b015e6a69f06c9ae48f488a909c9fda6fdc12b0b67622e
[INFO] running `Command { std: "docker" "start" "-a" "c30ab43dbff6df4832b015e6a69f06c9ae48f488a909c9fda6fdc12b0b67622e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30ab43dbff6df4832b015e6a69f06c9ae48f488a909c9fda6fdc12b0b67622e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30ab43dbff6df4832b015e6a69f06c9ae48f488a909c9fda6fdc12b0b67622e", kill_on_drop: false }`
[INFO] [stdout] c30ab43dbff6df4832b015e6a69f06c9ae48f488a909c9fda6fdc12b0b67622e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53ab4eac2efb44b3ffc65559bd70cc65f2753f423f5318f5401a55fe6df9af5b
[INFO] running `Command { std: "docker" "start" "-a" "53ab4eac2efb44b3ffc65559bd70cc65f2753f423f5318f5401a55fe6df9af5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-easy v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "53ab4eac2efb44b3ffc65559bd70cc65f2753f423f5318f5401a55fe6df9af5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ab4eac2efb44b3ffc65559bd70cc65f2753f423f5318f5401a55fe6df9af5b", kill_on_drop: false }`
[INFO] [stdout] 53ab4eac2efb44b3ffc65559bd70cc65f2753f423f5318f5401a55fe6df9af5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fba3ca9ebe901c4e29bc74231f0f1e871de5620a082a93d765fd603f83df9549
[INFO] running `Command { std: "docker" "start" "-a" "fba3ca9ebe901c4e29bc74231f0f1e871de5620a082a93d765fd603f83df9549", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-easy v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Default` is never used
[INFO] [stdout]     --> src/lib.rs:2157:11
[INFO] [stdout]      |
[INFO] [stdout] 2157 |     trait Default {}
[INFO] [stdout]      |           ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Group` is never used
[INFO] [stdout]     --> src/lib.rs:2232:18
[INFO] [stdout]      |
[INFO] [stdout] 2232 |         pub enum Group {
[INFO] [stdout]      |                  ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `$crate::easy_parse` which comes from the expansion of the macro `easy_argument_group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `name_display` and `name_span` are never used
[INFO] [stdout]     --> src/lib.rs:1412:20
[INFO] [stdout]      |
[INFO] [stdout] 1410 |           impl $name {
[INFO] [stdout]      |           ---------- methods in this implementation
[INFO] [stdout] 1411 |               #[inline]
[INFO] [stdout] 1412 |               pub fn name_display(&self) -> &'static str {
[INFO] [stdout]      |                      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1419 |               pub fn name_span(&self) -> $crate::private::Span {
[INFO] [stdout]      |                      ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2229 | /     easy_argument_group! {
[INFO] [stdout] 2230 | |         /// Docs
[INFO] [stdout] 2231 | |         #[derive(Clone, Debug)]
[INFO] [stdout] 2232 | |         pub enum Group {
[INFO] [stdout] ...    |
[INFO] [stdout] 2244 | |     }
[INFO] [stdout]      | |_____- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this warning originates in the macro `easy_argument_group` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]     --> src/lib.rs:1254:27
[INFO] [stdout]      |
[INFO] [stdout] 1254 |               $(#[$vmeta])* $vvis $vtype,
[INFO] [stdout]      |                             ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2294 | /         easy_argument_value! {
[INFO] [stdout] 2295 | |             pub struct Clear(pub kw::clear, pub ReferenceExpr);
[INFO] [stdout]      | |                        ----- field in this struct
[INFO] [stdout] 2296 | |         }
[INFO] [stdout]      | |_________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider removing this field
[INFO] [stdout]      = note: this warning originates in the macro `easy_argument_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]     --> src/lib.rs:1254:27
[INFO] [stdout]      |
[INFO] [stdout] 1254 |               $(#[$vmeta])* $vvis $vtype,
[INFO] [stdout]      |                             ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2298 | /         easy_argument_value! {
[INFO] [stdout] 2299 | |             pub struct Load(pub kw::load, pub ReferenceExpr);
[INFO] [stdout]      | |                        ---- field in this struct
[INFO] [stdout] 2300 | |         }
[INFO] [stdout]      | |_________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider removing this field
[INFO] [stdout]      = note: this warning originates in the macro `easy_argument_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]     --> src/lib.rs:1254:27
[INFO] [stdout]      |
[INFO] [stdout] 1254 |               $(#[$vmeta])* $vvis $vtype,
[INFO] [stdout]      |                             ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2309 | /         easy_argument_value! {
[INFO] [stdout] 2310 | |             pub struct Store(pub kw::store, pub ReferenceExpr);
[INFO] [stdout]      | |                        ----- field in this struct
[INFO] [stdout] 2311 | |         }
[INFO] [stdout]      | |_________- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider removing this field
[INFO] [stdout]      = note: this warning originates in the macro `easy_argument_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "fba3ca9ebe901c4e29bc74231f0f1e871de5620a082a93d765fd603f83df9549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba3ca9ebe901c4e29bc74231f0f1e871de5620a082a93d765fd603f83df9549", kill_on_drop: false }`
[INFO] [stdout] fba3ca9ebe901c4e29bc74231f0f1e871de5620a082a93d765fd603f83df9549