[INFO] cloning repository https://github.com/Mesoptier/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mesoptier/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMesoptier%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMesoptier%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9019c24914f4b7e19bfb06e7f472214fd9f53be1
[INFO] checking Mesoptier/aoc-2020/9019c24914f4b7e19bfb06e7f472214fd9f53be1 against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMesoptier%2Faoc-2020" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mesoptier/aoc-2020 on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mesoptier/aoc-2020
[INFO] finished tweaking git repo https://github.com/Mesoptier/aoc-2020
[INFO] tweaked toml for git repo https://github.com/Mesoptier/aoc-2020 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mesoptier/aoc-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded net2 v0.2.36
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.18
[INFO] [stderr]   Downloaded owo-colors v1.1.3
[INFO] [stderr]   Downloaded const_fn v0.4.3
[INFO] [stderr]   Downloaded generator v0.6.23
[INFO] [stderr]   Downloaded async-compression v0.3.6
[INFO] [stderr]   Downloaded eyre v0.6.3
[INFO] [stderr]   Downloaded sharded-slab v0.1.0
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded color-spantrace v0.1.4
[INFO] [stderr]   Downloaded reqwest v0.10.9
[INFO] [stderr]   Downloaded syn v1.0.52
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded tokio v0.2.23
[INFO] [stderr]   Downloaded color-eyre v0.5.8
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f68e78449fe6b07f0ef05df5253a0ae5018f9bdcb6546f33eafee29885b9d5ba
[INFO] running `Command { std: "docker" "start" "-a" "f68e78449fe6b07f0ef05df5253a0ae5018f9bdcb6546f33eafee29885b9d5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f68e78449fe6b07f0ef05df5253a0ae5018f9bdcb6546f33eafee29885b9d5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68e78449fe6b07f0ef05df5253a0ae5018f9bdcb6546f33eafee29885b9d5ba", kill_on_drop: false }`
[INFO] [stdout] f68e78449fe6b07f0ef05df5253a0ae5018f9bdcb6546f33eafee29885b9d5ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1db90db5f698d1ac951bb7ccafdd32102920c4b1ccfb7f87160ab1a5380752dd
[INFO] running `Command { std: "docker" "start" "-a" "1db90db5f698d1ac951bb7ccafdd32102920c4b1ccfb7f87160ab1a5380752dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking owo-colors v1.1.3
[INFO] [stderr]     Checking net2 v0.2.36
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr] error: failed to run custom build command for `aoc-2020 v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/aoc-2020-c3dae57cf5c7950b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:91:40:
[INFO] [stderr]   Cannot write to src/init.rs: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x607c9d9515f2 - std::backtrace_rs::backtrace::libunwind::trace::h5e023d125406f44f
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x607c9d9515f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d7c0e7afbbf0987
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x607c9d9515f2 - std::sys::backtrace::_print_fmt::h254e0f005f271644
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x607c9d9515f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h2137b6342f1d7514
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x607c9d96f0a3 - core::fmt::rt::Argument::fmt::ha9e3735984ebcfdb
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/core/src/fmt/rt.rs:185:76
[INFO] [stderr]      5:     0x607c9d96f0a3 - core::fmt::write::hc09fda18d9ba7e13
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/core/src/fmt/mod.rs:1449:21
[INFO] [stderr]      6:     0x607c9d94eff3 - std::io::Write::write_fmt::hc5178d2f7c502de3
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/io/mod.rs:1890:15
[INFO] [stderr]      7:     0x607c9d951442 - std::sys::backtrace::BacktraceLock::print::hd3aa20f1625542d3
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x607c9d952372 - std::panicking::default_hook::{{closure}}::h27a178e455c58e1c
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panicking.rs:300:22
[INFO] [stderr]      9:     0x607c9d952175 - std::panicking::default_hook::hf315b1d4878133c6
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panicking.rs:327:9
[INFO] [stderr]     10:     0x607c9d952d52 - std::panicking::rust_panic_with_hook::hab1c27c56ca0369e
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panicking.rs:833:13
[INFO] [stderr]     11:     0x607c9d952ada - std::panicking::begin_panic_handler::{{closure}}::h22745f64f0ff8046
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panicking.rs:706:13
[INFO] [stderr]     12:     0x607c9d951af9 - std::sys::backtrace::__rust_end_short_backtrace::he285cf1e051c592f
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x607c9d95276d - __rustc[1b65734bf76d56e4]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panicking.rs:697:5
[INFO] [stderr]     14:     0x607c9d96e320 - core::panicking::panic_fmt::h7c7d882b734bf2b1
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x607c9d96e6b6 - core::result::unwrap_failed::hd97806ac7a50488c
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/core/src/result.rs:1704:5
[INFO] [stderr]     16:     0x607c9d92ca00 - core::result::Result<T,E>::expect::h2f6ce607a3e84ad8
[INFO] [stderr]     17:     0x607c9d93096d - build_script_build::add_year_in_init::h18531a1bd611b943
[INFO] [stderr]     18:     0x607c9d92fc75 - build_script_build::main::hf44ee9f0f658a590
[INFO] [stderr]     19:     0x607c9d92b233 - core::ops::function::FnOnce::call_once::h12c4ce14f31f0a04
[INFO] [stderr]     20:     0x607c9d92ec16 - std::sys::backtrace::__rust_begin_short_backtrace::hf074116e6652f4ab
[INFO] [stderr]     21:     0x607c9d92ebb9 - std::rt::lang_start::{{closure}}::h1b4ebe08bbb80862
[INFO] [stderr]     22:     0x607c9d94b560 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::he5948f32e16e3322
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x607c9d94b560 - std::panicking::try::do_call::h07217162eb621a77
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panicking.rs:589:40
[INFO] [stderr]     24:     0x607c9d94b560 - std::panicking::try::h8de1ff5a6a347430
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panicking.rs:552:19
[INFO] [stderr]     25:     0x607c9d94b560 - std::panic::catch_unwind::h08194ef7e8f919b2
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x607c9d94b560 - std::rt::lang_start_internal::{{closure}}::h5d7896e7a1353d63
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/rt.rs:168:24
[INFO] [stderr]     27:     0x607c9d94b560 - std::panicking::try::do_call::hd03cce7856d63b5e
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panicking.rs:589:40
[INFO] [stderr]     28:     0x607c9d94b560 - std::panicking::try::hc08160b2e2fc18a6
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panicking.rs:552:19
[INFO] [stderr]     29:     0x607c9d94b560 - std::panic::catch_unwind::h651af9b360e10f03
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x607c9d94b560 - std::rt::lang_start_internal::h2f2ae17d222978e2
[INFO] [stderr]                                  at /rustc/75530e9f72a1990ed2305e16fd51d02f47048f12/library/std/src/rt.rs:164:5
[INFO] [stderr]     31:     0x607c9d92eba1 - std::rt::lang_start::hbc46765368636105
[INFO] [stderr]     32:     0x607c9d9309c5 - main
[INFO] [stderr]     33:     0x7834002e8d90 - <unknown>
[INFO] [stderr]     34:     0x7834002e8e40 - __libc_start_main
[INFO] [stderr]     35:     0x607c9d92a6b5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1db90db5f698d1ac951bb7ccafdd32102920c4b1ccfb7f87160ab1a5380752dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db90db5f698d1ac951bb7ccafdd32102920c4b1ccfb7f87160ab1a5380752dd", kill_on_drop: false }`
[INFO] [stdout] 1db90db5f698d1ac951bb7ccafdd32102920c4b1ccfb7f87160ab1a5380752dd