[INFO] fetching crate x-one 0.5.0...
[INFO] checking x-one-0.5.0 against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] extracting crate x-one 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate x-one 0.5.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate x-one 0.5.0
[INFO] tweaked toml for crates.io crate x-one 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate x-one 0.5.0 on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate x-one 0.5.0 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" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 923a23766e47466ef6b2bf1ba8c40dfb2304d20d36c19550a74c5b3f8b8ff6b6
[INFO] running `Command { std: "docker" "start" "923a23766e47466ef6b2bf1ba8c40dfb2304d20d36c19550a74c5b3f8b8ff6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "923a23766e47466ef6b2bf1ba8c40dfb2304d20d36c19550a74c5b3f8b8ff6b6" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "923a23766e47466ef6b2bf1ba8c40dfb2304d20d36c19550a74c5b3f8b8ff6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "923a23766e47466ef6b2bf1ba8c40dfb2304d20d36c19550a74c5b3f8b8ff6b6" "/opt/rustwide/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking x-one v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/xpipeline/pipeline.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct TextFrame(String);
[INFO] [stdout]   |        --------- ^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrefixProcessor` is never constructed
[INFO] [stdout]   --> tests/xpipeline/pipeline.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct PrefixProcessor;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.98s
[INFO] running `Command { std: "docker" "inspect" "923a23766e47466ef6b2bf1ba8c40dfb2304d20d36c19550a74c5b3f8b8ff6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923a23766e47466ef6b2bf1ba8c40dfb2304d20d36c19550a74c5b3f8b8ff6b6", kill_on_drop: false }`
[INFO] [stdout] 923a23766e47466ef6b2bf1ba8c40dfb2304d20d36c19550a74c5b3f8b8ff6b6
