[INFO] cloning repository https://github.com/majin42/adventctf_otw_day2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/majin42/adventctf_otw_day2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajin42%2Fadventctf_otw_day2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajin42%2Fadventctf_otw_day2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 017a6a46644dd2ab132c860363ba4249212ab59d
[INFO] testing majin42/adventctf_otw_day2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajin42%2Fadventctf_otw_day2" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/majin42/adventctf_otw_day2
[INFO] finished tweaking git repo https://github.com/majin42/adventctf_otw_day2
[INFO] tweaked toml for git repo https://github.com/majin42/adventctf_otw_day2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/majin42/adventctf_otw_day2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/majin42/adventctf_otw_day2 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indicatif v0.13.0
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded protoc-rust v2.8.1
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded hexdump v0.1.0
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded protoc v2.8.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded protobuf-codegen v2.8.1
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded console v0.9.1
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded fern v0.5.9
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded protobuf v2.8.1
[INFO] [stderr]   Downloaded chrono v0.4.10
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6e68ae817e48bbf371cf67c252785d059073a12394be0043beef89d0409b45f
[INFO] running `Command { std: "docker" "start" "-a" "e6e68ae817e48bbf371cf67c252785d059073a12394be0043beef89d0409b45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6e68ae817e48bbf371cf67c252785d059073a12394be0043beef89d0409b45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e68ae817e48bbf371cf67c252785d059073a12394be0043beef89d0409b45f", kill_on_drop: false }`
[INFO] [stdout] e6e68ae817e48bbf371cf67c252785d059073a12394be0043beef89d0409b45f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c80c081b0e8d0d467f958bd1cfa5b423e898a42f067ab38463d65d0502dc2ae2
[INFO] running `Command { std: "docker" "start" "-a" "c80c081b0e8d0d467f958bd1cfa5b423e898a42f067ab38463d65d0502dc2ae2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling hexdump v0.1.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling console v0.9.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling indicatif v0.13.0
[INFO] [stderr]    Compiling fern v0.5.9
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]    Compiling protoc-rust v2.8.1
[INFO] [stderr]    Compiling day2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `day2 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/day2-b6ad39bf800efd2a/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (715) panicked at build.rs:14:6:
[INFO] [stderr]   protoc: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5d536bc4856a - std[f92b4c606f291077]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5d536bc4856a - std[f92b4c606f291077]::backtrace_rs::backtrace::trace_unsynchronized::<std[f92b4c606f291077]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5d536bc4856a - std[f92b4c606f291077]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5d536bc4856a - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5d536bc5e1aa - <core[786f478f706679df]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5d536bc5e1aa - core[786f478f706679df]::fmt::write
[INFO] [stderr]      6:     0x5d536bc4d682 - std[f92b4c606f291077]::io::default_write_fmt::<std[f92b4c606f291077]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5d536bc4d682 - <std[f92b4c606f291077]::sys::stdio::unix::Stderr as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5d536bc2c60f - <std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5d536bc2c60f - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5d536bc43891 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5d536bc43a4b - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5d536bc2c6c8 - std[f92b4c606f291077]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5d536bc240e9 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5d536bc2cfad - __rustc[8241495c18a89d70]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5d536bc5e92c - core[786f478f706679df]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5d536bc5e672 - core[786f478f706679df]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5d536ba63f40 - <core[786f478f706679df]::result::Result<(), std[f92b4c606f291077]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x5d536ba63eca - build_script_build[f1e3cbba9d932270]::main
[INFO] [stderr]     19:     0x5d536ba640c3 - <fn() as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x5d536ba63d76 - std[f92b4c606f291077]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x5d536ba63d89 - std[f92b4c606f291077]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x5d536bc42b24 - <&dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5d536bc42b24 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<&dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x5d536bc42b24 - std[f92b4c606f291077]::panicking::catch_unwind::<i32, &dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x5d536bc42b24 - std[f92b4c606f291077]::panic::catch_unwind::<&dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5d536bc42b24 - std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5d536bc42b24 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x5d536bc42b24 - std[f92b4c606f291077]::panicking::catch_unwind::<isize, std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x5d536bc42b24 - std[f92b4c606f291077]::panic::catch_unwind::<std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5d536bc42b24 - std[f92b4c606f291077]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5d536ba63d61 - std[f92b4c606f291077]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x5d536ba64125 - main
[INFO] [stderr]     33:     0x76bb819c41ca - <unknown>
[INFO] [stderr]     34:     0x76bb819c428b - __libc_start_main
[INFO] [stderr]     35:     0x5d536ba63c75 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c80c081b0e8d0d467f958bd1cfa5b423e898a42f067ab38463d65d0502dc2ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80c081b0e8d0d467f958bd1cfa5b423e898a42f067ab38463d65d0502dc2ae2", kill_on_drop: false }`
[INFO] [stdout] c80c081b0e8d0d467f958bd1cfa5b423e898a42f067ab38463d65d0502dc2ae2