[INFO] cloning repository https://github.com/MaulingMonkey/rust_wasm_sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaulingMonkey/rust_wasm_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaulingMonkey%2Frust_wasm_sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaulingMonkey%2Frust_wasm_sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54b9debd07fd8495fb1642b265e68187e13a1f77
[INFO] checking MaulingMonkey/rust_wasm_sample against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaulingMonkey%2Frust_wasm_sample" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaulingMonkey/rust_wasm_sample on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaulingMonkey/rust_wasm_sample
[INFO] finished tweaking git repo https://github.com/MaulingMonkey/rust_wasm_sample
[INFO] tweaked toml for git repo https://github.com/MaulingMonkey/rust_wasm_sample written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/MaulingMonkey/rust_wasm_sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d52257c931fb2b6475a551af6e93effe08f86c2e2c7792b8f8411cf2f46e2ff
[INFO] running `Command { std: "docker" "start" "-a" "9d52257c931fb2b6475a551af6e93effe08f86c2e2c7792b8f8411cf2f46e2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d52257c931fb2b6475a551af6e93effe08f86c2e2c7792b8f8411cf2f46e2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d52257c931fb2b6475a551af6e93effe08f86c2e2c7792b8f8411cf2f46e2ff", kill_on_drop: false }`
[INFO] [stdout] 9d52257c931fb2b6475a551af6e93effe08f86c2e2c7792b8f8411cf2f46e2ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52616277d4bf0608d20e001699b086c0e9feaf3b7e8e75c33a9325ef627c5057
[INFO] running `Command { std: "docker" "start" "-a" "52616277d4bf0608d20e001699b086c0e9feaf3b7e8e75c33a9325ef627c5057", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.46
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling bumpalo v2.4.3
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.46
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling weedle v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.46
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.46
[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 js-sys v0.3.23
[INFO] [stderr]    Compiling web-sys v0.3.23
[INFO] [stderr]     Checking rust_wasm_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.15s
[INFO] running `Command { std: "docker" "inspect" "52616277d4bf0608d20e001699b086c0e9feaf3b7e8e75c33a9325ef627c5057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52616277d4bf0608d20e001699b086c0e9feaf3b7e8e75c33a9325ef627c5057", kill_on_drop: false }`
[INFO] [stdout] 52616277d4bf0608d20e001699b086c0e9feaf3b7e8e75c33a9325ef627c5057