[INFO] updating cached repository MaulingMonkey/rust_wasm_sample
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/MaulingMonkey/rust_wasm_sample
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/MaulingMonkey/rust_wasm_sample" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/MaulingMonkey/rust_wasm_sample"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/MaulingMonkey/rust_wasm_sample'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/MaulingMonkey/rust_wasm_sample" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/MaulingMonkey/rust_wasm_sample"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/MaulingMonkey/rust_wasm_sample'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 54b9debd07fd8495fb1642b265e68187e13a1f77
[INFO] sha for GitHub repo MaulingMonkey/rust_wasm_sample: 54b9debd07fd8495fb1642b265e68187e13a1f77
[INFO] validating manifest of MaulingMonkey/rust_wasm_sample on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of MaulingMonkey/rust_wasm_sample on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing MaulingMonkey/rust_wasm_sample
[INFO] finished frobbing MaulingMonkey/rust_wasm_sample
[INFO] frobbed toml for MaulingMonkey/rust_wasm_sample written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/MaulingMonkey/rust_wasm_sample/Cargo.toml
[INFO] started frobbing MaulingMonkey/rust_wasm_sample
[INFO] finished frobbing MaulingMonkey/rust_wasm_sample
[INFO] frobbed toml for MaulingMonkey/rust_wasm_sample written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/MaulingMonkey/rust_wasm_sample/Cargo.toml
[INFO] crate MaulingMonkey/rust_wasm_sample already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking MaulingMonkey/rust_wasm_sample against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/MaulingMonkey/rust_wasm_sample:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c2ab87b19137a3f1c29cb540e51221b62534dd473d339e0c0541e7c7311d143d
[INFO] running `"docker" "start" "-a" "c2ab87b19137a3f1c29cb540e51221b62534dd473d339e0c0541e7c7311d143d"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling weedle v0.9.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.46
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.46
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.46
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.46
[INFO] [stderr]     Checking wasm-bindgen v0.2.46
[INFO] [stderr]     Checking js-sys v0.3.23
[INFO] [stderr]    Compiling web-sys v0.3.23
[INFO] [stderr]     Checking rust_wasm_sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `"docker" "inspect" "c2ab87b19137a3f1c29cb540e51221b62534dd473d339e0c0541e7c7311d143d"`
[INFO] running `"docker" "rm" "-f" "c2ab87b19137a3f1c29cb540e51221b62534dd473d339e0c0541e7c7311d143d"`
[INFO] [stdout] c2ab87b19137a3f1c29cb540e51221b62534dd473d339e0c0541e7c7311d143d