[INFO] fetching crate csparse21 0.2.3...
[INFO] checking csparse21-0.2.3 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate csparse21 0.2.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate csparse21 0.2.3
[INFO] finished tweaking crates.io crate csparse21 0.2.3
[INFO] tweaked toml for crates.io crate csparse21 0.2.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate csparse21 0.2.3 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "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" "+507271bc119683008ec719ecee48814e8ac86c65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5cd206872e048cc0f3cd16334dc8c8bf532913f241c6b09684d5c2e50cd909c
[INFO] running `Command { std: "docker" "start" "-a" "b5cd206872e048cc0f3cd16334dc8c8bf532913f241c6b09684d5c2e50cd909c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5cd206872e048cc0f3cd16334dc8c8bf532913f241c6b09684d5c2e50cd909c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5cd206872e048cc0f3cd16334dc8c8bf532913f241c6b09684d5c2e50cd909c", kill_on_drop: false }`
[INFO] [stdout] b5cd206872e048cc0f3cd16334dc8c8bf532913f241c6b09684d5c2e50cd909c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce8c21856e4e5d8a27a432f307f8e7669713d60370ed46c86a056518c5959fb2
[INFO] running `Command { std: "docker" "start" "-a" "ce8c21856e4e5d8a27a432f307f8e7669713d60370ed46c86a056518c5959fb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking csparse21 v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NonRealNumError` is never constructed
[INFO] [stdout]     --> src/lib.rs:1117:8
[INFO] [stdout]      |
[INFO] [stdout] 1117 | struct NonRealNumError;
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NonRealNumError` is never constructed
[INFO] [stdout]     --> src/lib.rs:1117:8
[INFO] [stdout]      |
[INFO] [stdout] 1117 | struct NonRealNumError;
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "ce8c21856e4e5d8a27a432f307f8e7669713d60370ed46c86a056518c5959fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8c21856e4e5d8a27a432f307f8e7669713d60370ed46c86a056518c5959fb2", kill_on_drop: false }`
[INFO] [stdout] ce8c21856e4e5d8a27a432f307f8e7669713d60370ed46c86a056518c5959fb2
