[INFO] fetching crate libreda-pnr 0.0.4...
[INFO] checking libreda-pnr-0.0.4 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate libreda-pnr 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate libreda-pnr 0.0.4
[INFO] finished tweaking crates.io crate libreda-pnr 0.0.4
[INFO] tweaked toml for crates.io crate libreda-pnr 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libreda-pnr 0.0.4 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding libreda-db v0.0.10 (available: v0.0.12)
[INFO] [stderr]       Adding ndarray v0.15.6 (available: v0.17.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b653558643eb1109084465f99d3c6fc8541da9a7a4086a5e7940101c1df34d1
[INFO] running `Command { std: "docker" "start" "-a" "0b653558643eb1109084465f99d3c6fc8541da9a7a4086a5e7940101c1df34d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b653558643eb1109084465f99d3c6fc8541da9a7a4086a5e7940101c1df34d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b653558643eb1109084465f99d3c6fc8541da9a7a4086a5e7940101c1df34d1", kill_on_drop: false }`
[INFO] [stdout] 0b653558643eb1109084465f99d3c6fc8541da9a7a4086a5e7940101c1df34d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73b8b99f4f9d5e28d5bc79948f84faff2b6a2e4bc84550da8af7e9a1c3a22359
[INFO] running `Command { std: "docker" "start" "-a" "73b8b99f4f9d5e28d5bc79948f84faff2b6a2e4bc84550da8af7e9a1c3a22359", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking libreda-splay v0.1.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking iron-shapes v0.0.8
[INFO] [stderr]     Checking iron-shapes-booleanop v0.0.3
[INFO] [stderr]     Checking libreda-db v0.0.10
[INFO] [stderr]     Checking libreda-pnr v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/place/stdcell_placer.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::db::{L2NBase, SimpleTransform};
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `L2NBase` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/place/stdcell_placer.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub use libreda_db::prelude::traits::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/place/stdcell_placer.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::db::{L2NBase, SimpleTransform};
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]   --> src/place/stdcell_placer.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::db::{L2NBase, SimpleTransform};
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the name `L2NBase` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]   --> src/place/stdcell_placer.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub use libreda_db::prelude::traits::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]   --> src/place/stdcell_placer.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::db::{L2NBase, SimpleTransform};
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `BufferRemover` is never constructed
[INFO] [stdout]   --> src/util/buffer_removal.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct BufferRemover {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libreda-pnr` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `BufferRemover` is never constructed
[INFO] [stdout]   --> src/util/buffer_removal.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct BufferRemover {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libreda-pnr` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "73b8b99f4f9d5e28d5bc79948f84faff2b6a2e4bc84550da8af7e9a1c3a22359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b8b99f4f9d5e28d5bc79948f84faff2b6a2e4bc84550da8af7e9a1c3a22359", kill_on_drop: false }`
[INFO] [stdout] 73b8b99f4f9d5e28d5bc79948f84faff2b6a2e4bc84550da8af7e9a1c3a22359
