[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#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStratus51%2Fcodingame-fall-2020" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Stratus51/codingame-fall-2020 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ada611086811138478024ebeb7d91327af486f3f7a24533d78e42ac32f015a42
[INFO] running `Command { std: "docker" "start" "-a" "ada611086811138478024ebeb7d91327af486f3f7a24533d78e42ac32f015a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada611086811138478024ebeb7d91327af486f3f7a24533d78e42ac32f015a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada611086811138478024ebeb7d91327af486f3f7a24533d78e42ac32f015a42", kill_on_drop: false }`
[INFO] [stdout] ada611086811138478024ebeb7d91327af486f3f7a24533d78e42ac32f015a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f79b2433c9afd8e2030f34b1b4f1ef6b4c8f12b18ec7c02e35759109c9a1c9bd
[INFO] running `Command { std: "docker" "start" "-a" "f79b2433c9afd8e2030f34b1b4f1ef6b4c8f12b18ec7c02e35759109c9a1c9bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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_2020-38895236d8d328cb/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'error creating full.rs: Os { code: 30, kind: ReadOnlyFilesystem, 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:     0x5603b007819c - std::backtrace_rs::backtrace::libunwind::trace::h2ab374bc2a3b7023
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5603b007819c - std::backtrace_rs::backtrace::trace_unsynchronized::h128cb5178b04dc46
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5603b007819c - std::sys_common::backtrace::_print_fmt::h5344f9eefca2041f
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5603b007819c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h213003bc5c7acf04
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5603b009367c - core::fmt::write::h78bf85fc3e93663f
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/fmt/mod.rs:1126:17
[INFO] [stderr]      5:     0x5603b0076005 - std::io::Write::write_fmt::he619515c888f21a5
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x5603b0079ac0 - std::sys_common::backtrace::_print::hf706674f77848203
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5603b0079ac0 - std::sys_common::backtrace::print::hf0b6c7a88804ec56
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5603b0079ac0 - std::panicking::default_hook::{{closure}}::h2dde766cd83a333a
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x5603b0079677 - std::panicking::default_hook::h501e3b2e134eb149
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x5603b007a174 - std::panicking::rust_panic_with_hook::hc09e869c4cf00885
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x5603b0079c50 - std::panicking::begin_panic_handler::{{closure}}::hc2c6d70142458fc8
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x5603b0078644 - std::sys_common::backtrace::__rust_end_short_backtrace::had58f7c459a1cd6e
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5603b0079bb9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x5603afefa491 - core::panicking::panic_fmt::hf443e5eeb6cc9eab
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/panicking.rs:103:14
[INFO] [stderr]     15:     0x5603afefa523 - core::result::unwrap_failed::h885d3f7beb571353
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/result.rs:1617:5
[INFO] [stderr]     16:     0x5603aff0230f - core::result::Result<T,E>::expect::h940ae5b6348fc644
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/result.rs:1259:23
[INFO] [stderr]     17:     0x5603afefd43e - rustsourcebundler::Bundler::run::hc421940769ee48a0
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rust-sourcebundler-e2bf6c123a12e416/f214301/src/lib.rs:57:21
[INFO] [stderr]     18:     0x5603afefadf8 - build_script_build::main::hb1fdabcee1f04164
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:10:5
[INFO] [stderr]     19:     0x5603afefb0db - core::ops::function::FnOnce::call_once::h5cd691bd1509ecb3
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5603afefad3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0809180c306f85f1
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5603afefaec1 - std::rt::lang_start::{{closure}}::h1c4225a5bb10ebfd
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:64:18
[INFO] [stderr]     22:     0x5603b007a67a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hab43eb8ec758341e
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5603b007a67a - std::panicking::try::do_call::hb667fefd650e964d
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:403:40
[INFO] [stderr]     24:     0x5603b007a67a - std::panicking::try::hc279775c9409768d
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:367:19
[INFO] [stderr]     25:     0x5603b007a67a - std::panic::catch_unwind::hbe8b6ecc84f73073
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panic.rs:133:14
[INFO] [stderr]     26:     0x5603b007a67a - std::rt::lang_start_internal::{{closure}}::hb04fdaef496a162b
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:46:48
[INFO] [stderr]     27:     0x5603b007a67a - std::panicking::try::do_call::habca359de051411d
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:403:40
[INFO] [stderr]     28:     0x5603b007a67a - std::panicking::try::h24c556a6948e0937
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panicking.rs:367:19
[INFO] [stderr]     29:     0x5603b007a67a - std::panic::catch_unwind::h58075d47f5a308d8
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/panic.rs:133:14
[INFO] [stderr]     30:     0x5603b007a67a - std::rt::lang_start_internal::h3d20dc1537d76758
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:46:20
[INFO] [stderr]     31:     0x5603afefae90 - std::rt::lang_start::h0f4a6092dde9ec82
[INFO] [stderr]                                  at /rustc/db1fb85cff63ad5fffe435e17128f99f9e1d970c/library/std/src/rt.rs:63:17
[INFO] [stderr]     32:     0x5603afefae5c - main
[INFO] [stderr]     33:     0x7f82a2b190b3 - __libc_start_main
[INFO] [stderr]     34:     0x5603afefac2e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f79b2433c9afd8e2030f34b1b4f1ef6b4c8f12b18ec7c02e35759109c9a1c9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79b2433c9afd8e2030f34b1b4f1ef6b4c8f12b18ec7c02e35759109c9a1c9bd", kill_on_drop: false }`
[INFO] [stdout] f79b2433c9afd8e2030f34b1b4f1ef6b4c8f12b18ec7c02e35759109c9a1c9bd