[INFO] fetching crate parse-book-source 0.7.0...
[INFO] checking parse-book-source-0.7.0 against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160-1
[INFO] extracting crate parse-book-source 0.7.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate parse-book-source 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate parse-book-source 0.7.0
[INFO] tweaked toml for crates.io crate parse-book-source 0.7.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate parse-book-source 0.7.0 on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate parse-book-source 0.7.0 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:fd22e2154e7db748230f413534f3a6d034160c9d2b7c14b90fba4e9bfc1a36d4" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7b504b36621443efd836aaee64df4c832a21783faee89f3df972c9b87f98eafb
[INFO] running `Command { std: "docker" "start" "7b504b36621443efd836aaee64df4c832a21783faee89f3df972c9b87f98eafb", 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" "7b504b36621443efd836aaee64df4c832a21783faee89f3df972c9b87f98eafb" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b504b36621443efd836aaee64df4c832a21783faee89f3df972c9b87f98eafb", 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" "7b504b36621443efd836aaee64df4c832a21783faee89f3df972c9b87f98eafb" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking parse-book-source v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BookSourceError`
[INFO] [stdout]  --> src/engine/internal.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::error::{BookSourceError, Result};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BookSourceError`
[INFO] [stdout]  --> src/engine/internal.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::error::{BookSourceError, Result};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "7b504b36621443efd836aaee64df4c832a21783faee89f3df972c9b87f98eafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b504b36621443efd836aaee64df4c832a21783faee89f3df972c9b87f98eafb", kill_on_drop: false }`
[INFO] [stdout] 7b504b36621443efd836aaee64df4c832a21783faee89f3df972c9b87f98eafb
