[INFO] fetching crate parui 1.0.18...
[INFO] testing parui-1.0.18 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate parui 1.0.18 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate parui 1.0.18
[INFO] finished tweaking crates.io crate parui 1.0.18
[INFO] tweaked toml for crates.io crate parui 1.0.18 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate parui 1.0.18 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 parui 1.0.18 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4a7f6f0c5f8e0def4f3e049f4fb7988a29b185e85aaa502bfa28bd54c720a38c
[INFO] running `Command { std: "docker" "start" "-a" "4a7f6f0c5f8e0def4f3e049f4fb7988a29b185e85aaa502bfa28bd54c720a38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a7f6f0c5f8e0def4f3e049f4fb7988a29b185e85aaa502bfa28bd54c720a38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7f6f0c5f8e0def4f3e049f4fb7988a29b185e85aaa502bfa28bd54c720a38c", kill_on_drop: false }`
[INFO] [stdout] 4a7f6f0c5f8e0def4f3e049f4fb7988a29b185e85aaa502bfa28bd54c720a38c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2a0d5e35f2ae8ee63f82adfa0b1f357b5451de6e42cae235b78adad28281cdb0
[INFO] running `Command { std: "docker" "start" "-a" "2a0d5e35f2ae8ee63f82adfa0b1f357b5451de6e42cae235b78adad28281cdb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling smallvec v1.12.0
[INFO] [stderr]    Compiling rustls-pki-types v1.5.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.14
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling castaway v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling parking_lot v0.12.2
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling compact_str v0.7.1
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling lru v0.12.1
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling webpki-roots v0.26.1
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling compact_strings v4.1.2
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling stability v0.2.0
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling atomic v0.6.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling strum v0.26.2
[INFO] [stderr]    Compiling ratatui v0.26.2
[INFO] [stderr]    Compiling rustls-webpki v0.102.3
[INFO] [stderr]    Compiling ureq v2.9.7
[INFO] [stderr]    Compiling parui v1.0.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/main.rs:690:29
[INFO] [stdout]     |
[INFO] [stdout] 690 | ...                   cmd.exec();
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 690 |                             let _ = cmd.exec();
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/main.rs:733:25
[INFO] [stdout]     |
[INFO] [stdout] 733 |                         cmd.exec();
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 733 |                         let _ = cmd.exec();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "2a0d5e35f2ae8ee63f82adfa0b1f357b5451de6e42cae235b78adad28281cdb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0d5e35f2ae8ee63f82adfa0b1f357b5451de6e42cae235b78adad28281cdb0", kill_on_drop: false }`
[INFO] [stdout] 2a0d5e35f2ae8ee63f82adfa0b1f357b5451de6e42cae235b78adad28281cdb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b4e24a06eeb0f20205668f85d374683f1e149f21a704e908c8b0340b0adfaa7d
[INFO] running `Command { std: "docker" "start" "-a" "b4e24a06eeb0f20205668f85d374683f1e149f21a704e908c8b0340b0adfaa7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling parui v1.0.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/main.rs:690:29
[INFO] [stdout]     |
[INFO] [stdout] 690 | ...                   cmd.exec();
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 690 |                             let _ = cmd.exec();
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/main.rs:733:25
[INFO] [stdout]     |
[INFO] [stdout] 733 |                         cmd.exec();
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 733 |                         let _ = cmd.exec();
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "b4e24a06eeb0f20205668f85d374683f1e149f21a704e908c8b0340b0adfaa7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e24a06eeb0f20205668f85d374683f1e149f21a704e908c8b0340b0adfaa7d", kill_on_drop: false }`
[INFO] [stdout] b4e24a06eeb0f20205668f85d374683f1e149f21a704e908c8b0340b0adfaa7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dbad8fcfe174a0d494d36f76d3c6038d6edc7ab33b94aba6d4de55dfd9d67075
[INFO] running `Command { std: "docker" "start" "-a" "dbad8fcfe174a0d494d36f76d3c6038d6edc7ab33b94aba6d4de55dfd9d67075", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `exec` that must be used
[INFO] [stderr]    --> src/main.rs:690:29
[INFO] [stderr]     |
[INFO] [stderr] 690 | ...                   cmd.exec();
[INFO] [stderr]     |                       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 690 |                             let _ = cmd.exec();
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `exec` that must be used
[INFO] [stderr]    --> src/main.rs:733:25
[INFO] [stderr]     |
[INFO] [stderr] 733 |                         cmd.exec();
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 733 |                         let _ = cmd.exec();
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `parui` (bin "parui" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/parui-0187260eea7068ca)
[INFO] running `Command { std: "docker" "inspect" "dbad8fcfe174a0d494d36f76d3c6038d6edc7ab33b94aba6d4de55dfd9d67075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbad8fcfe174a0d494d36f76d3c6038d6edc7ab33b94aba6d4de55dfd9d67075", kill_on_drop: false }`
[INFO] [stdout] dbad8fcfe174a0d494d36f76d3c6038d6edc7ab33b94aba6d4de55dfd9d67075