[INFO] cloning repository https://github.com/k35o/sierpinski
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k35o/sierpinski" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk35o%2Fsierpinski", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk35o%2Fsierpinski'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2de73aa0c1e28c49820228959c253a72b4e83a7e
[INFO] checking k35o/sierpinski against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk35o%2Fsierpinski" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k35o/sierpinski on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k35o/sierpinski
[INFO] finished tweaking git repo https://github.com/k35o/sierpinski
[INFO] tweaked toml for git repo https://github.com/k35o/sierpinski written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/k35o/sierpinski already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.37
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e5f4a86dd73ac22a16761a600e3c200144ea354788a18d6ee55a859761afea8
[INFO] running `Command { std: "docker" "start" "-a" "8e5f4a86dd73ac22a16761a600e3c200144ea354788a18d6ee55a859761afea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e5f4a86dd73ac22a16761a600e3c200144ea354788a18d6ee55a859761afea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5f4a86dd73ac22a16761a600e3c200144ea354788a18d6ee55a859761afea8", kill_on_drop: false }`
[INFO] [stdout] 8e5f4a86dd73ac22a16761a600e3c200144ea354788a18d6ee55a859761afea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3c78c25cdb6ee44aa17d414e75342465acf5b8d4ba632d0c3640a1192dc20db
[INFO] running `Command { std: "docker" "start" "-a" "c3c78c25cdb6ee44aa17d414e75342465acf5b8d4ba632d0c3640a1192dc20db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]     Checking js-sys v0.3.64
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.64
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.37
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.37
[INFO] [stderr]     Checking sierpinski v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.87
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "c3c78c25cdb6ee44aa17d414e75342465acf5b8d4ba632d0c3640a1192dc20db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c78c25cdb6ee44aa17d414e75342465acf5b8d4ba632d0c3640a1192dc20db", kill_on_drop: false }`
[INFO] [stdout] c3c78c25cdb6ee44aa17d414e75342465acf5b8d4ba632d0c3640a1192dc20db