[INFO] cloning repository https://github.com/Jumballaya/rust-wasm-minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jumballaya/rust-wasm-minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJumballaya%2Frust-wasm-minesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJumballaya%2Frust-wasm-minesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 612127836c022a0c25bbb6c339a9b2896ec24be4
[INFO] checking Jumballaya/rust-wasm-minesweeper against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125384-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJumballaya%2Frust-wasm-minesweeper" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jumballaya/rust-wasm-minesweeper on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jumballaya/rust-wasm-minesweeper
[INFO] finished tweaking git repo https://github.com/Jumballaya/rust-wasm-minesweeper
[INFO] tweaked toml for git repo https://github.com/Jumballaya/rust-wasm-minesweeper written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jumballaya/rust-wasm-minesweeper 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" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9ef9e918ef19bdb10e5ce5d02777445839fca7551861f572c21899c667cbb56
[INFO] running `Command { std: "docker" "start" "-a" "f9ef9e918ef19bdb10e5ce5d02777445839fca7551861f572c21899c667cbb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9ef9e918ef19bdb10e5ce5d02777445839fca7551861f572c21899c667cbb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ef9e918ef19bdb10e5ce5d02777445839fca7551861f572c21899c667cbb56", kill_on_drop: false }`
[INFO] [stdout] f9ef9e918ef19bdb10e5ce5d02777445839fca7551861f572c21899c667cbb56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38f4b445a947d6f88fbb062afa8755c842374b931e9e224f64533d79ff91b527
[INFO] running `Command { std: "docker" "start" "-a" "38f4b445a947d6f88fbb062afa8755c842374b931e9e224f64533d79ff91b527", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.80
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling wasm-bindgen v0.2.80
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.80
[INFO] [stderr]     Checking minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.24s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.80
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "38f4b445a947d6f88fbb062afa8755c842374b931e9e224f64533d79ff91b527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f4b445a947d6f88fbb062afa8755c842374b931e9e224f64533d79ff91b527", kill_on_drop: false }`
[INFO] [stdout] 38f4b445a947d6f88fbb062afa8755c842374b931e9e224f64533d79ff91b527