[INFO] fetching crate xc3_write_derive 0.20.0...
[INFO] testing xc3_write_derive-0.20.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate xc3_write_derive 0.20.0 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xc3_write_derive 0.20.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd452c0d1a638f615cd022226a5faae03c3c5bc0ec18cf46be02eedac5563faa
[INFO] running `Command { std: "docker" "start" "-a" "cd452c0d1a638f615cd022226a5faae03c3c5bc0ec18cf46be02eedac5563faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd452c0d1a638f615cd022226a5faae03c3c5bc0ec18cf46be02eedac5563faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd452c0d1a638f615cd022226a5faae03c3c5bc0ec18cf46be02eedac5563faa", kill_on_drop: false }`
[INFO] [stdout] cd452c0d1a638f615cd022226a5faae03c3c5bc0ec18cf46be02eedac5563faa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9159fd87f69271a638bd0304ca2fb20a72db1a5f253fdf1c38b6ad70d14ef66
[INFO] running `Command { std: "docker" "start" "-a" "a9159fd87f69271a638bd0304ca2fb20a72db1a5f253fdf1c38b6ad70d14ef66", 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 2.80s
[INFO] running `Command { std: "docker" "inspect" "a9159fd87f69271a638bd0304ca2fb20a72db1a5f253fdf1c38b6ad70d14ef66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9159fd87f69271a638bd0304ca2fb20a72db1a5f253fdf1c38b6ad70d14ef66", kill_on_drop: false }`
[INFO] [stdout] a9159fd87f69271a638bd0304ca2fb20a72db1a5f253fdf1c38b6ad70d14ef66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f290bfb9e66bfb6855fb77122ded98fc75ddc8bcec140c5bf60f6001f622d5e4
[INFO] running `Command { std: "docker" "start" "-a" "f290bfb9e66bfb6855fb77122ded98fc75ddc8bcec140c5bf60f6001f622d5e4", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "f290bfb9e66bfb6855fb77122ded98fc75ddc8bcec140c5bf60f6001f622d5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f290bfb9e66bfb6855fb77122ded98fc75ddc8bcec140c5bf60f6001f622d5e4", kill_on_drop: false }`
[INFO] [stdout] f290bfb9e66bfb6855fb77122ded98fc75ddc8bcec140c5bf60f6001f622d5e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5442b028bf2214719bc8344713db268b808bc0a755e807002b4067446c81e3b0
[INFO] running `Command { std: "docker" "start" "-a" "5442b028bf2214719bc8344713db268b808bc0a755e807002b4067446c81e3b0", 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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xc3_write_derive-975925736bc8920a)
[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] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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] running `Command { std: "docker" "inspect" "5442b028bf2214719bc8344713db268b808bc0a755e807002b4067446c81e3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5442b028bf2214719bc8344713db268b808bc0a755e807002b4067446c81e3b0", kill_on_drop: false }`
[INFO] [stdout] 5442b028bf2214719bc8344713db268b808bc0a755e807002b4067446c81e3b0