[INFO] updating cached repository https://github.com/tanis2000/rust-sdl2-wasm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cf64b7367db0a079a01165afb26e638f1cf4beb6
[INFO] checking tanis2000/rust-sdl2-wasm against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftanis2000%2Frust-sdl2-wasm" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tanis2000/rust-sdl2-wasm on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tanis2000/rust-sdl2-wasm
[INFO] finished tweaking git repo https://github.com/tanis2000/rust-sdl2-wasm
[INFO] tweaked toml for git repo https://github.com/tanis2000/rust-sdl2-wasm written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/tanis2000/rust-sdl2-wasm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 118cbeecf65dd83a0488f48ceafc2a25732da17b35f28d182ac99758adf63441
[INFO] running `"docker" "start" "-a" "118cbeecf65dd83a0488f48ceafc2a25732da17b35f28d182ac99758adf63441"`
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.4
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]    Compiling sdl2 v0.32.2 (https://github.com/Rust-SDL2/rust-sdl2.git#776c72e8)
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling sdl2-sys v0.32.6 (https://github.com/Rust-SDL2/rust-sdl2.git#776c72e8)
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling stb_image v0.2.2
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling stdweb v0.4.17
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling rust-sdl2-wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> build.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> build.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `target` is assigned to, but never used
[INFO] [stderr]   --> build.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let target;
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_target` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_os`
[INFO] [stderr]   --> build.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let target_os = env::var("TARGET").unwrap();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_os`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `target` is never read
[INFO] [stderr]   --> build.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         target = Path::new(&current_dir).join("target/release");
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `target` is never read
[INFO] [stderr]   --> build.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         target = Path::new(&current_dir).join("target/debug");
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `rust-sdl2-wasm v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rust-sdl2-wasm-39f8cce43d8ac2b3/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Could not open output file: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:47:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x556829af3f94 - backtrace::backtrace::libunwind::trace::h9e598fcb10d5c4f5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x556829af3f94 - backtrace::backtrace::trace_unsynchronized::hbfbd58fbb4a2603e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x556829af3f94 - std::sys_common::backtrace::_print_fmt::hacb596a8013761df
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x556829af3f94 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha1ba73c9085723eb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x556829b1770c - core::fmt::write::hb4ac1e8a8c800611
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x556829af22b3 - std::io::Write::write_fmt::ha413e6029f4d499f
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x556829af6535 - std::sys_common::backtrace::_print::h5afa8b3832cd03b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x556829af6535 - std::sys_common::backtrace::print::h49229e3486b70f83
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x556829af6535 - std::panicking::default_hook::{{closure}}::hcfefd5f4943f3aa9
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x556829af6272 - std::panicking::default_hook::h4c2b6d8d034c53de
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x556829af6b42 - std::panicking::rust_panic_with_hook::hf8cee70c0118d2cc
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x556829af672b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x556829b16af1 - core::panicking::panic_fmt::h01af33c385562c2b
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x556829b16913 - core::option::expect_none_failed::h3282d660fe6c910b
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x5568299f69ff - core::result::Result<T,E>::expect::hdbf5380fd1f5f714
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x5568299ceb16 - build_script_build::download_from_url::h27cb51f40806a39f
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:47
[INFO] [stderr]   16:     0x5568299ce8d1 - build_script_build::main::hffcb3648951f81bd
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:38
[INFO] [stderr]   17:     0x5568299f9a3b - std::rt::lang_start::{{closure}}::h6880ff1827520380
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x556829af7058 - std::rt::lang_start_internal::{{closure}}::h4c4631d379953dd0
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x556829af7058 - std::panicking::try::do_call::hc26b3db2421dedbb
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   20:     0x556829af7058 - std::panicking::try::h4da6835c8705b8a7
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   21:     0x556829af7058 - std::panic::catch_unwind::h02aff520273fa6b1
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x556829af7058 - std::rt::lang_start_internal::he0572ca212cb5ef4
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x5568299f9a17 - std::rt::lang_start::h33af10c69ea5a52e
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x5568299cee6a - main
[INFO] [stderr]   25:     0x7f214d5eeb97 - __libc_start_main
[INFO] [stderr]   26:     0x5568299b64ca - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "118cbeecf65dd83a0488f48ceafc2a25732da17b35f28d182ac99758adf63441"`
[INFO] running `"docker" "rm" "-f" "118cbeecf65dd83a0488f48ceafc2a25732da17b35f28d182ac99758adf63441"`
[INFO] [stdout] 118cbeecf65dd83a0488f48ceafc2a25732da17b35f28d182ac99758adf63441
