[INFO] fetching crate utf8-tokio 0.2.1...
[INFO] checking utf8-tokio-0.2.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate utf8-tokio 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate utf8-tokio 0.2.1
[INFO] finished tweaking crates.io crate utf8-tokio 0.2.1
[INFO] tweaked toml for crates.io crate utf8-tokio 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate utf8-tokio 0.2.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8049ceec2a4a8e426643acde6b86b59ca4f661dfd3385dca3c8fb882326aa7d
[INFO] running `Command { std: "docker" "start" "-a" "f8049ceec2a4a8e426643acde6b86b59ca4f661dfd3385dca3c8fb882326aa7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8049ceec2a4a8e426643acde6b86b59ca4f661dfd3385dca3c8fb882326aa7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8049ceec2a4a8e426643acde6b86b59ca4f661dfd3385dca3c8fb882326aa7d", kill_on_drop: false }`
[INFO] [stdout] f8049ceec2a4a8e426643acde6b86b59ca4f661dfd3385dca3c8fb882326aa7d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c74a20bb794c56e85f8560ad5cb5f36fb7e60e86bf30ddc22bd9085553d8ecab
[INFO] running `Command { std: "docker" "start" "-a" "c74a20bb794c56e85f8560ad5cb5f36fb7e60e86bf30ddc22bd9085553d8ecab", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling test-log-macros v0.2.17
[INFO] [stderr]     Checking tokio v1.45.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking test-log v0.2.17
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking utf8-tokio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.03s
[INFO] running `Command { std: "docker" "inspect" "c74a20bb794c56e85f8560ad5cb5f36fb7e60e86bf30ddc22bd9085553d8ecab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74a20bb794c56e85f8560ad5cb5f36fb7e60e86bf30ddc22bd9085553d8ecab", kill_on_drop: false }`
[INFO] [stdout] c74a20bb794c56e85f8560ad5cb5f36fb7e60e86bf30ddc22bd9085553d8ecab