[INFO] crate virtual-node 0.2.4 is already in cache
[INFO] extracting crate virtual-node 0.2.4 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/virtual-node/0.2.4
[INFO] extracting crate virtual-node 0.2.4 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/virtual-node/0.2.4
[INFO] validating manifest of virtual-node-0.2.4 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of virtual-node-0.2.4 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing virtual-node-0.2.4
[INFO] finished frobbing virtual-node-0.2.4
[INFO] frobbed toml for virtual-node-0.2.4 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/virtual-node/0.2.4/Cargo.toml
[INFO] started frobbing virtual-node-0.2.4
[INFO] finished frobbing virtual-node-0.2.4
[INFO] frobbed toml for virtual-node-0.2.4 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/virtual-node/0.2.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking virtual-node-0.2.4 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/virtual-node/0.2.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 333943ab80ac92ee26bacde9ab754bc6f6418c79ba13069e5571aacfcfa0cbb3
[INFO] running `"docker" "start" "-a" "333943ab80ac92ee26bacde9ab754bc6f6418c79ba13069e5571aacfcfa0cbb3"`
[INFO] [stderr]    Compiling wasm-bindgen v0.2.42
[INFO] [stderr]     Checking html-validation v0.1.0
[INFO] [stderr]    Compiling web-sys v0.3.19
[INFO] [stderr]     Checking js-sys v0.3.19
[INFO] [stderr]     Checking virtual-node v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]   --> src/lib.rs:12:33
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]   --> src/lib.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use std::iter::FromIterator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::option::Iter`
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::option::Iter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]   --> src/lib.rs:12:33
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VElement`
[INFO] [stderr]  --> src/virtual_node_test_utils.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{VElement, VirtualNode};
[INFO] [stderr]   |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]   --> src/lib.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use std::iter::FromIterator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::option::Iter`
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use std::option::Iter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.52s
[INFO] running `"docker" "inspect" "333943ab80ac92ee26bacde9ab754bc6f6418c79ba13069e5571aacfcfa0cbb3"`
[INFO] running `"docker" "rm" "-f" "333943ab80ac92ee26bacde9ab754bc6f6418c79ba13069e5571aacfcfa0cbb3"`
[INFO] [stdout] 333943ab80ac92ee26bacde9ab754bc6f6418c79ba13069e5571aacfcfa0cbb3