[INFO] cloning repository https://github.com/Measter/NanoRL
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Measter/NanoRL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeaster%2FNanoRL", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeaster%2FNanoRL'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cadf54cbec0c36afa50a3b72b1d8f9b585337826
[INFO] checking Measter/NanoRL against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMeaster%2FNanoRL" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Measter/NanoRL on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Measter/NanoRL
[INFO] finished tweaking git repo https://github.com/Measter/NanoRL
[INFO] tweaked toml for git repo https://github.com/Measter/NanoRL written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Measter/NanoRL already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c706df2a7f8e396ff96bee67bc2526dafb920ab0c4e4f7fec2c767c31ce20ce2
[INFO] running `Command { std: "docker" "start" "-a" "c706df2a7f8e396ff96bee67bc2526dafb920ab0c4e4f7fec2c767c31ce20ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c706df2a7f8e396ff96bee67bc2526dafb920ab0c4e4f7fec2c767c31ce20ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c706df2a7f8e396ff96bee67bc2526dafb920ab0c4e4f7fec2c767c31ce20ce2", kill_on_drop: false }`
[INFO] [stdout] c706df2a7f8e396ff96bee67bc2526dafb920ab0c4e4f7fec2c767c31ce20ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98f86d904006c5d62c63935b971b067c9da88a2e8f4d002f6991d57e1c9c230a
[INFO] running `Command { std: "docker" "start" "-a" "98f86d904006c5d62c63935b971b067c9da88a2e8f4d002f6991d57e1c9c230a", 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] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling bytemuck v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling image v0.23.9
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling nano_rl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `nano_rl v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/nano_rl-eaf46268e7242e89/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo::rerun-if-changes=tiles.png
[INFO] [stderr]   cargo::rerun-if-changes=title_screen.png
[INFO] [stderr]   cargo::rerun-if-changes=game_over.png
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:43:35
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562ce0781990 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x562ce0781990 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562ce0781990 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x562ce0781990 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x562ce079b91c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x562ce077f9d5 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x562ce078365b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x562ce078365b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x562ce078365b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x562ce0783131 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x562ce0783d24 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x562ce0783807 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x562ce0781e8c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x562ce0783769 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x562ce0703471 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x562ce0703503 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x562ce070e87e - core::result::Result<T,E>::unwrap::h632f9419cb9ff183
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x562ce070a764 - build_script_build::main::h3a62f5885edef41d
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:43:16
[INFO] [stderr]     18:     0x562ce070865b - core::ops::function::FnOnce::call_once::hb9f47f481d67877c
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x562ce070718e - std::sys_common::backtrace::__rust_begin_short_backtrace::hfbce837128946798
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x562ce0707221 - std::rt::lang_start::{{closure}}::h1c74ea87308b1b45
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x562ce078422a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcbe5785d54a49ce2
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x562ce078422a - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x562ce078422a - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x562ce078422a - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x562ce078422a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x562ce078422a - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x562ce078422a - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x562ce078422a - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x562ce078422a - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x562ce07071f0 - std::rt::lang_start::hdc787e776f74ddf5
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x562ce070c46c - main
[INFO] [stderr]     32:     0x7f63f48550b3 - __libc_start_main
[INFO] [stderr]     33:     0x562ce0703c0e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "98f86d904006c5d62c63935b971b067c9da88a2e8f4d002f6991d57e1c9c230a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f86d904006c5d62c63935b971b067c9da88a2e8f4d002f6991d57e1c9c230a", kill_on_drop: false }`
[INFO] [stdout] 98f86d904006c5d62c63935b971b067c9da88a2e8f4d002f6991d57e1c9c230a