[INFO] cloning repository https://github.com/ns8wastaken/numworks-fluid-sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ns8wastaken/numworks-fluid-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns8wastaken%2Fnumworks-fluid-sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns8wastaken%2Fnumworks-fluid-sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b19d6718b7a7d55da3f411acff1d9889ff04a83
[INFO] documenting ns8wastaken/numworks-fluid-sim against 1.100.0-beta.1 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns8wastaken%2Fnumworks-fluid-sim" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ns8wastaken/numworks-fluid-sim
[INFO] finished tweaking git repo https://github.com/ns8wastaken/numworks-fluid-sim
[INFO] tweaked toml for git repo https://github.com/ns8wastaken/numworks-fluid-sim written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ns8wastaken/numworks-fluid-sim on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ns8wastaken/numworks-fluid-sim 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: file `/workspace/builds/worker-4-tc2/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `fluid_sim`
[INFO] [stderr]   * `bin` target `FluidSim`
[INFO] [stderr] warning: `numworks-fluid-sim` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svgbobdoc v0.3.0
[INFO] [stderr]   Downloaded const-default v1.0.0
[INFO] [stderr]   Downloaded embedded-alloc v0.6.0
[INFO] [stderr]   Downloaded linked_list_allocator v0.10.5
[INFO] [stderr]   Downloaded rlsf v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8f1dad772d1c146fcfedb1a64140c8ce2a949a501ae500c4ee2099058e097cb6
[INFO] running `Command { std: "docker" "start" "8f1dad772d1c146fcfedb1a64140c8ce2a949a501ae500c4ee2099058e097cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f1dad772d1c146fcfedb1a64140c8ce2a949a501ae500c4ee2099058e097cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8f1dad772d1c146fcfedb1a64140c8ce2a949a501ae500c4ee2099058e097cb6" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f1dad772d1c146fcfedb1a64140c8ce2a949a501ae500c4ee2099058e097cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8f1dad772d1c146fcfedb1a64140c8ce2a949a501ae500c4ee2099058e097cb6" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `fluid_sim`
[INFO] [stderr]   * `bin` target `FluidSim`
[INFO] [stderr] warning: `numworks-fluid-sim` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking const-default v1.0.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking linked_list_allocator v0.10.5
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cc v1.2.46
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling numworks-fluid-sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `numworks-fluid-sim v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/numworks-fluid-sim/78b910881a37a2b5/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=assets/icon.png
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (427) panicked at build/build.rs:46:5:
[INFO] [stderr]   sh: 1: npx: not found
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ba47eb20521 - <unknown>
[INFO] [stderr]      1:     0x5ba47eb3456a - <unknown>
[INFO] [stderr]      2:     0x5ba47eb25a2c - <unknown>
[INFO] [stderr]      3:     0x5ba47eafee06 - <unknown>
[INFO] [stderr]      4:     0x5ba47eb1aa71 - <unknown>
[INFO] [stderr]      5:     0x5ba47eb1ac2b - <unknown>
[INFO] [stderr]      6:     0x5ba47eafeeb2 - <unknown>
[INFO] [stderr]      7:     0x5ba47eaf7929 - <unknown>
[INFO] [stderr]      8:     0x5ba47eaff82d - <unknown>
[INFO] [stderr]      9:     0x5ba47eb34d5c - <unknown>
[INFO] [stderr]     10:     0x5ba47ea7fb02 - <unknown>
[INFO] [stderr]     11:     0x5ba47ea7fe25 - <unknown>
[INFO] [stderr]     12:     0x5ba47ea80319 - <unknown>
[INFO] [stderr]     13:     0x5ba47ea80f5b - <unknown>
[INFO] [stderr]     14:     0x5ba47ea7fb0e - <unknown>
[INFO] [stderr]     15:     0x5ba47ea7fb19 - <unknown>
[INFO] [stderr]     16:     0x5ba47eb19d78 - <unknown>
[INFO] [stderr]     17:     0x5ba47ea7f9e1 - <unknown>
[INFO] [stderr]     18:     0x5ba47ea80f95 - <unknown>
[INFO] [stderr]     19:     0x7c425fb01601 - <unknown>
[INFO] [stderr]     20:     0x7c425fb01718 - __libc_start_main
[INFO] [stderr]     21:     0x5ba47ea7f6b5 - <unknown>
[INFO] [stderr]     22:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8f1dad772d1c146fcfedb1a64140c8ce2a949a501ae500c4ee2099058e097cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1dad772d1c146fcfedb1a64140c8ce2a949a501ae500c4ee2099058e097cb6", kill_on_drop: false }`
[INFO] [stdout] 8f1dad772d1c146fcfedb1a64140c8ce2a949a501ae500c4ee2099058e097cb6
