[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 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMesoptier%2Faoc-2020" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mesoptier/aoc-2020 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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-9/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: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded owo-colors v1.1.3
[INFO] [stderr]   Downloaded async-compression v0.3.6
[INFO] [stderr]   Downloaded eyre v0.6.3
[INFO] [stderr]   Downloaded color-spantrace v0.1.4
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded generator v0.6.23
[INFO] [stderr]   Downloaded native-tls v0.2.6
[INFO] [stderr]   Downloaded sharded-slab v0.1.0
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded reqwest v0.10.9
[INFO] [stderr]   Downloaded color-eyre v0.5.8
[INFO] [stderr]   Downloaded cookie_store v0.12.0
[INFO] [stderr]   Downloaded net2 v0.2.36
[INFO] [stderr]   Downloaded tokio v0.2.23
[INFO] [stderr]   Downloaded syn v1.0.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9639c9f0492b2df9fd9fc0f9ce4c48c3846d58187e9411e909194d02729ad60
[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" "c9639c9f0492b2df9fd9fc0f9ce4c48c3846d58187e9411e909194d02729ad60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9639c9f0492b2df9fd9fc0f9ce4c48c3846d58187e9411e909194d02729ad60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9639c9f0492b2df9fd9fc0f9ce4c48c3846d58187e9411e909194d02729ad60", kill_on_drop: false }`
[INFO] [stdout] c9639c9f0492b2df9fd9fc0f9ce4c48c3846d58187e9411e909194d02729ad60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 652d20dd6c6b44984c9159f0dc29c97968f592ec8538a82881642ecda3d4f1d5
[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" "652d20dd6c6b44984c9159f0dc29c97968f592ec8538a82881642ecda3d4f1d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling eyre v0.6.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking owo-colors v1.1.3
[INFO] [stderr]    Compiling aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling unicase v2.6.0
[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 cookie v0.14.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr] error: failed to run custom build command for `aoc-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/aoc-2020-b55e416b3850ddaf/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Cannot write to src/init.rs: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:91:40
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5628e1d45290 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5628e1d45290 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5628e1d45290 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5628e1d45290 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he40bcdde3c4491cd
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5628e1d5fc6f - core::fmt::write::h2c729149c08098ab
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x5628e1d43665 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/io/mod.rs:1580:15
[INFO] [stderr]      6:     0x5628e1d46dbb - std::sys_common::backtrace::_print::h7f0223b1e3d898fc
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5628e1d46dbb - std::sys_common::backtrace::print::h58edd634a14c2d4c
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5628e1d46dbb - std::panicking::default_hook::{{closure}}::h71657a7591430164
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5628e1d4689d - std::panicking::default_hook::hcdf4eb5db072c85b
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5628e1d4736d - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x5628e1d46f67 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x5628e1d4572c - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5628e1d46ec9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5628e1d29de1 - core::panicking::panic_fmt::he3827412471ccbb1
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5628e1d29e73 - core::result::unwrap_failed::h6e66654d198da7bd
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x5628e1d34d90 - core::result::Result<T,E>::expect::h3be5a88160fa509d
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x5628e1d307cd - build_script_build::add_year_in_init::h9d14e5bafc37ac01
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:91:5
[INFO] [stderr]     18:     0x5628e1d2f6f6 - build_script_build::main::ha9412a57a7aa2cc3
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:24:5
[INFO] [stderr]     19:     0x5628e1d2d17b - core::ops::function::FnOnce::call_once::hadd58439118025b9
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5628e1d2d00e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb6453ac6dc3abcc9
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5628e1d32b21 - std::rt::lang_start::{{closure}}::h428ab212c3a63d59
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x5628e1d4776a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd5953dadf0bc8f54
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5628e1d4776a - std::panicking::try::do_call::h23b369f1996fb7d4
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x5628e1d4776a - std::panicking::try::he017ee9ed6bce192
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x5628e1d4776a - std::panic::catch_unwind::hbfb892340a78b30d
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x5628e1d4776a - std::rt::lang_start_internal::hce6e4c0ce56abb51
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x5628e1d32b00 - std::rt::lang_start::h9835b4661fd8d3cd
[INFO] [stderr]                                  at /rustc/7b3565da729099dbe807466fcd118fb2815986e0/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x5628e1d3089c - main
[INFO] [stderr]     29:     0x7f5e5fac00b3 - __libc_start_main
[INFO] [stderr]     30:     0x5628e1d2a4de - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "652d20dd6c6b44984c9159f0dc29c97968f592ec8538a82881642ecda3d4f1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652d20dd6c6b44984c9159f0dc29c97968f592ec8538a82881642ecda3d4f1d5", kill_on_drop: false }`
[INFO] [stdout] 652d20dd6c6b44984c9159f0dc29c97968f592ec8538a82881642ecda3d4f1d5