[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] testing Stratus51/codingame-fall-2020 against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStratus51%2Fcodingame-fall-2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Stratus51/codingame-fall-2020 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/lpenz/rust-sourcebundler`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e54f2547166dc6f285c52002c11a21980dcb1fe8f2779b96ffd1996c332e98d3
[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" "e54f2547166dc6f285c52002c11a21980dcb1fe8f2779b96ffd1996c332e98d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e54f2547166dc6f285c52002c11a21980dcb1fe8f2779b96ffd1996c332e98d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54f2547166dc6f285c52002c11a21980dcb1fe8f2779b96ffd1996c332e98d3", kill_on_drop: false }`
[INFO] [stdout] e54f2547166dc6f285c52002c11a21980dcb1fe8f2779b96ffd1996c332e98d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 113276bfc7f258eab7901ea6503d37ea94e8899d53325d0317fc6f690f5137e6
[INFO] running `Command { std: "docker" "start" "-a" "113276bfc7f258eab7901ea6503d37ea94e8899d53325d0317fc6f690f5137e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[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 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-bd039ed581bba15e/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:     0x56445cac0177 - std::backtrace_rs::backtrace::libunwind::trace::hcd6e187547b8deec
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56445cac0177 - std::backtrace_rs::backtrace::trace_unsynchronized::hde10036eb783fbc7
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56445cac0177 - std::sys_common::backtrace::_print_fmt::h63987b8f86dfc82a
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56445cac0177 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc33f3ac4cc9c4196
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56445cad79fc - core::fmt::write::hfdcdeb08fb2b3afa
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x56445cabe212 - std::io::Write::write_fmt::h83a843778fa2a815
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x56445cac20d5 - std::sys_common::backtrace::_print::hf179508b01f66878
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56445cac20d5 - std::sys_common::backtrace::print::ha97d11adb39266a6
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56445cac20d5 - std::panicking::default_hook::{{closure}}::h8da9985a98bd1582
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56445cac1c2a - std::panicking::default_hook::hbc0ee792993c2ef2
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56445cac2871 - std::panicking::rust_panic_with_hook::h9fb9cda33a10f084
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x56445cac23b7 - std::panicking::begin_panic_handler::{{closure}}::hf3e83396e085962e
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x56445cac063c - std::sys_common::backtrace::__rust_end_short_backtrace::hac151ac4c1e3252d
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56445cac2319 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x56445cad6dd1 - core::panicking::panic_fmt::hf6d8a92b065b8f97
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56445cad6bf3 - core::option::expect_none_failed::ha72f299eca314ad7
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x56445c927f29 - core::result::Result<T,E>::expect::h9a6d2687d933983b
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x56445c921929 - rustsourcebundler::Bundler::run::hdd9c86c5f8d7a543
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rust-sourcebundler-e2bf6c123a12e416/f214301/src/lib.rs:57:21
[INFO] [stderr]     18:     0x56445c92148e - build_script_build::main::h6f4166a99335b132
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:10:5
[INFO] [stderr]     19:     0x56445c92126b - core::ops::function::FnOnce::call_once::h9b7c48da08e7361c
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x56445c9213ce - std::sys_common::backtrace::__rust_begin_short_backtrace::hf84773769ca6d770
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x56445c9211e1 - std::rt::lang_start::{{closure}}::h47ac3362d66b6e70
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x56445cac2c97 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb5ab992a536e3d7c
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x56445cac2c97 - std::panicking::try::do_call::h1bda883686bc1816
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x56445cac2c97 - std::panicking::try::ha7167c079f243e71
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x56445cac2c97 - std::panic::catch_unwind::he11c3de53f0b5853
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x56445cac2c97 - std::rt::lang_start_internal::h45c3666b51d25060
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x56445c9211b7 - std::rt::lang_start::h540363ef99023828
[INFO] [stderr]                                  at /rustc/25b3db3aa752d9d4633c983c9d4bf5e48f9baff1/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x56445c9214fa - main
[INFO] [stderr]     29:     0x7f9dd51340b3 - __libc_start_main
[INFO] [stderr]     30:     0x56445c9210ae - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "113276bfc7f258eab7901ea6503d37ea94e8899d53325d0317fc6f690f5137e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113276bfc7f258eab7901ea6503d37ea94e8899d53325d0317fc6f690f5137e6", kill_on_drop: false }`
[INFO] [stdout] 113276bfc7f258eab7901ea6503d37ea94e8899d53325d0317fc6f690f5137e6