[INFO] updating cached repository https://github.com/vssn/yew-counter-sample
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] addf2ddb9fa0d107b5e7f269e0cedd7ebb67642e
[INFO] checking vssn/yew-counter-sample against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvssn%2Fyew-counter-sample" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vssn/yew-counter-sample on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vssn/yew-counter-sample
[INFO] removed path dependency yew from git repo https://github.com/vssn/yew-counter-sample
[INFO] finished tweaking git repo https://github.com/vssn/yew-counter-sample
[INFO] tweaked toml for git repo https://github.com/vssn/yew-counter-sample written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/vssn/yew-counter-sample already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ad74bcaddeec5d5a25d038ada49443773034d1ace8a801da213faee96fffdc07
[INFO] running `"docker" "start" "-a" "ad74bcaddeec5d5a25d038ada49443773034d1ace8a801da213faee96fffdc07"`
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking strum v0.9.0
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling stdweb v0.4.13
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.35
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]    Compiling strum_macros v0.9.1
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.5
[INFO] [stderr]     Checking yew v0.5.0 (https://github.com/DenisKolodin/yew#886e63da)
[INFO] [stderr]     Checking yew-counter-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/lib.rs:51:64
[INFO] [stderr]    |
[INFO] [stderr] 51 |                         for (0..self.counter).into_iter().map(|x| {
[INFO] [stderr]    |                                                                ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/lib.rs:51:64
[INFO] [stderr]    |
[INFO] [stderr] 51 |                         for (0..self.counter).into_iter().map(|x| {
[INFO] [stderr]    |                                                                ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 58s
[INFO] running `"docker" "inspect" "ad74bcaddeec5d5a25d038ada49443773034d1ace8a801da213faee96fffdc07"`
[INFO] running `"docker" "rm" "-f" "ad74bcaddeec5d5a25d038ada49443773034d1ace8a801da213faee96fffdc07"`
[INFO] [stdout] ad74bcaddeec5d5a25d038ada49443773034d1ace8a801da213faee96fffdc07