[INFO] fetching crate xc3_write_derive 0.20.0...
[INFO] testing xc3_write_derive-0.20.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate xc3_write_derive 0.20.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate xc3_write_derive 0.20.0
[INFO] finished tweaking crates.io crate xc3_write_derive 0.20.0
[INFO] tweaked toml for crates.io crate xc3_write_derive 0.20.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xc3_write_derive 0.20.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate xc3_write_derive 0.20.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92bb0ce59fa17d51c331703807c359aa8fa31c0d7c81d9aec3919311c805fae7
[INFO] running `Command { std: "docker" "start" "-a" "92bb0ce59fa17d51c331703807c359aa8fa31c0d7c81d9aec3919311c805fae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92bb0ce59fa17d51c331703807c359aa8fa31c0d7c81d9aec3919311c805fae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92bb0ce59fa17d51c331703807c359aa8fa31c0d7c81d9aec3919311c805fae7", kill_on_drop: false }`
[INFO] [stdout] 92bb0ce59fa17d51c331703807c359aa8fa31c0d7c81d9aec3919311c805fae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a4e9810d12774ef275d2cc57ff7ff1e099ca12d4ca7d27d195ea145c5089537
[INFO] running `Command { std: "docker" "start" "-a" "1a4e9810d12774ef275d2cc57ff7ff1e099ca12d4ca7d27d195ea145c5089537", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling xc3_write_derive v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/attribute.rs:108:23
[INFO] [stdout]     |
[INFO] [stdout] 108 |         .and_then(|_| (content.parse::<LitInt>()?.base10_parse()))
[INFO] [stdout]     |                       ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -         .and_then(|_| (content.parse::<LitInt>()?.base10_parse()))
[INFO] [stdout] 108 +         .and_then(|_| content.parse::<LitInt>()?.base10_parse())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `Command { std: "docker" "inspect" "1a4e9810d12774ef275d2cc57ff7ff1e099ca12d4ca7d27d195ea145c5089537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a4e9810d12774ef275d2cc57ff7ff1e099ca12d4ca7d27d195ea145c5089537", kill_on_drop: false }`
[INFO] [stdout] 1a4e9810d12774ef275d2cc57ff7ff1e099ca12d4ca7d27d195ea145c5089537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 144067207bcb01a389bc6cdc3954c5f2e7259c7494cd3abeb1350fc031679880
[INFO] running `Command { std: "docker" "start" "-a" "144067207bcb01a389bc6cdc3954c5f2e7259c7494cd3abeb1350fc031679880", kill_on_drop: false }`
[INFO] [stderr]    Compiling xc3_write_derive v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/attribute.rs:108:23
[INFO] [stdout]     |
[INFO] [stdout] 108 |         .and_then(|_| (content.parse::<LitInt>()?.base10_parse()))
[INFO] [stdout]     |                       ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -         .and_then(|_| (content.parse::<LitInt>()?.base10_parse()))
[INFO] [stdout] 108 +         .and_then(|_| content.parse::<LitInt>()?.base10_parse())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/attribute.rs:108:23
[INFO] [stdout]     |
[INFO] [stdout] 108 |         .and_then(|_| (content.parse::<LitInt>()?.base10_parse()))
[INFO] [stdout]     |                       ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 108 -         .and_then(|_| (content.parse::<LitInt>()?.base10_parse()))
[INFO] [stdout] 108 +         .and_then(|_| content.parse::<LitInt>()?.base10_parse())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "144067207bcb01a389bc6cdc3954c5f2e7259c7494cd3abeb1350fc031679880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144067207bcb01a389bc6cdc3954c5f2e7259c7494cd3abeb1350fc031679880", kill_on_drop: false }`
[INFO] [stdout] 144067207bcb01a389bc6cdc3954c5f2e7259c7494cd3abeb1350fc031679880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66af94a638f430a0a65f405556eb4679e53771d92f17108f96dd6e6e07cd6b14
[INFO] running `Command { std: "docker" "start" "-a" "66af94a638f430a0a65f405556eb4679e53771d92f17108f96dd6e6e07cd6b14", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/attribute.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |         .and_then(|_| (content.parse::<LitInt>()?.base10_parse()))
[INFO] [stderr]     |                       ^                                         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 108 -         .and_then(|_| (content.parse::<LitInt>()?.base10_parse()))
[INFO] [stderr] 108 +         .and_then(|_| content.parse::<LitInt>()?.base10_parse())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `xc3_write_derive` (lib) generated 1 warning (run `cargo fix --lib -p xc3_write_derive` to apply 1 suggestion)
[INFO] [stderr] warning: `xc3_write_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xc3_write_derive-d51ee8e2a2f25ad9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xc3_write_derive
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/attribute.rs:108:23
[INFO] [stderr]     |
[INFO] [stderr] 108 |         .and_then(|_| (content.parse::<LitInt>()?.base10_parse()))
[INFO] [stderr]     |                       ^                                         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 108 -         .and_then(|_| (content.parse::<LitInt>()?.base10_parse()))
[INFO] [stderr] 108 +         .and_then(|_| content.parse::<LitInt>()?.base10_parse())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "66af94a638f430a0a65f405556eb4679e53771d92f17108f96dd6e6e07cd6b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66af94a638f430a0a65f405556eb4679e53771d92f17108f96dd6e6e07cd6b14", kill_on_drop: false }`
[INFO] [stdout] 66af94a638f430a0a65f405556eb4679e53771d92f17108f96dd6e6e07cd6b14