[INFO] updating cached repository https://github.com/amalabey/rust-webassembly-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] fbfe2a0d1d99e45feb4da6ed58c3300a47bf0021
[INFO] checking amalabey/rust-webassembly-sample against master#f834695781d00daa61d04e11720403ff32cb0e78 for pr-63831
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Famalabey%2Frust-webassembly-sample" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amalabey/rust-webassembly-sample on toolchain f834695781d00daa61d04e11720403ff32cb0e78
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+f834695781d00daa61d04e11720403ff32cb0e78" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/amalabey/rust-webassembly-sample
[INFO] finished tweaking git repo https://github.com/amalabey/rust-webassembly-sample
[INFO] tweaked toml for git repo https://github.com/amalabey/rust-webassembly-sample written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/amalabey/rust-webassembly-sample already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+f834695781d00daa61d04e11720403ff32cb0e78" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/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" "+f834695781d00daa61d04e11720403ff32cb0e78" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 09998da67bf92e4b4f9b92e3f41174d688c2ebd24341b1cbb443a41e490ce14d
[INFO] running `"docker" "start" "-a" "09998da67bf92e4b4f9b92e3f41174d688c2ebd24341b1cbb443a41e490ce14d"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.4
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling yew v0.8.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling yew-macro v0.8.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling stdweb v0.4.18
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr]     Checking yew-web-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `"docker" "inspect" "09998da67bf92e4b4f9b92e3f41174d688c2ebd24341b1cbb443a41e490ce14d"`
[INFO] running `"docker" "rm" "-f" "09998da67bf92e4b4f9b92e3f41174d688c2ebd24341b1cbb443a41e490ce14d"`
[INFO] [stdout] 09998da67bf92e4b4f9b92e3f41174d688c2ebd24341b1cbb443a41e490ce14d