[INFO] cloning repository https://github.com/Stratus51/codingame-fall-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Stratus51/codingame-fall-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStratus51%2Fcodingame-fall-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStratus51%2Fcodingame-fall-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69cfbfad555e6f9a07785b715e56e0a0c2196611
[INFO] checking Stratus51/codingame-fall-2020 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStratus51%2Fcodingame-fall-2020" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Stratus51/codingame-fall-2020 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Stratus51/codingame-fall-2020
[INFO] finished tweaking git repo https://github.com/Stratus51/codingame-fall-2020
[INFO] tweaked toml for git repo https://github.com/Stratus51/codingame-fall-2020 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Stratus51/codingame-fall-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20d114205e77a16dc28636117575137b615896b372f1f1105bf54a8d0b70d25a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20d114205e77a16dc28636117575137b615896b372f1f1105bf54a8d0b70d25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d114205e77a16dc28636117575137b615896b372f1f1105bf54a8d0b70d25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d114205e77a16dc28636117575137b615896b372f1f1105bf54a8d0b70d25a", kill_on_drop: false }`
[INFO] [stdout] 20d114205e77a16dc28636117575137b615896b372f1f1105bf54a8d0b70d25a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1db223bc701051b4d7ef4c3076b9a2625b2f30ec8f6775305272630d6729b6e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1db223bc701051b4d7ef4c3076b9a2625b2f30ec8f6775305272630d6729b6e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling rustsourcebundler v0.7.0 (https://github.com/lpenz/rust-sourcebundler#f214301d)
[INFO] [stderr]    Compiling codingames_fall_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `codingames_fall_2020 v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/codingames_fall_2020-4a801ed189293ac5/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'error creating full.rs: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/git/checkouts/rust-sourcebundler-e2bf6c123a12e416/f214301/src/lib.rs:57:57
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55cfe80dad27 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55cfe80dad27 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55cfe80dad27 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55cfe80dad27 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc132ae1a5b5aa7cd
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55cfe80f68bc - core::fmt::write::hdf023a0036d2a25f
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55cfe80d8d12 - std::io::Write::write_fmt::h8580846154bcb66a
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x55cfe80dcc85 - std::sys_common::backtrace::_print::h7ee55fed88d107a3
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55cfe80dcc85 - std::sys_common::backtrace::print::h54a7d3e52a524177
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55cfe80dcc85 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55cfe80dc7da - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55cfe80dd421 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55cfe80dcf67 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55cfe80db1ec - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55cfe80dcec9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55cfe80f5c91 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55cfe80f5ab3 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x55cfe7f47ea9 - core::result::Result<T,E>::expect::h4ed3d5e6a9640f27
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x55cfe7f41929 - rustsourcebundler::Bundler::run::ha8a12b613929e4ef
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rust-sourcebundler-e2bf6c123a12e416/f214301/src/lib.rs:57:21
[INFO] [stderr]     18:     0x55cfe7f4145e - build_script_build::main::h25df11380738e897
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:10:5
[INFO] [stderr]     19:     0x55cfe7f412bb - core::ops::function::FnOnce::call_once::hb729493b1457f2ec
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55cfe7f414de - std::sys_common::backtrace::__rust_begin_short_backtrace::h52244e6c095c09e2
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55cfe7f411f1 - std::rt::lang_start::{{closure}}::h8a66dd77428d5125
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x55cfe80dd847 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55cfe80dd847 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x55cfe80dd847 - std::panicking::try::hb36953ccd24f930d
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x55cfe80dd847 - std::panic::catch_unwind::hbb374cd03beb3824
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x55cfe80dd847 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x55cfe7f411c7 - std::rt::lang_start::hda98127a16ab6b16
[INFO] [stderr]                                  at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x55cfe7f414ca - main
[INFO] [stderr]     29:     0x7f2b427aa0b3 - __libc_start_main
[INFO] [stderr]     30:     0x55cfe7f410ae - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "1db223bc701051b4d7ef4c3076b9a2625b2f30ec8f6775305272630d6729b6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db223bc701051b4d7ef4c3076b9a2625b2f30ec8f6775305272630d6729b6e8", kill_on_drop: false }`
[INFO] [stdout] 1db223bc701051b4d7ef4c3076b9a2625b2f30ec8f6775305272630d6729b6e8