[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] checking majin42/adventctf_otw_day2 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajin42%2Fadventctf_otw_day2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/majin42/adventctf_otw_day2 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "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" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking majin42/adventctf_otw_day2 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmajin42%2Fadventctf_otw_day2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/majin42/adventctf_otw_day2 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "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" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clicolors-control v1.0.1
[INFO] [stderr]   Downloaded protoc-rust v2.8.1
[INFO] [stderr]   Downloaded indicatif v0.13.0
[INFO] [stderr]   Downloaded protoc v2.8.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.8.1
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded hexdump v0.1.0
[INFO] [stderr]   Downloaded console v0.9.1
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded atty v0.2.13
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded protobuf v2.8.1
[INFO] [stderr]   Downloaded fern v0.5.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26361145cc2fa95d669792e3ed3967888337b17a9463de21cc27294dafba5314
[INFO] running `Command { std: "docker" "start" "-a" "26361145cc2fa95d669792e3ed3967888337b17a9463de21cc27294dafba5314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26361145cc2fa95d669792e3ed3967888337b17a9463de21cc27294dafba5314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26361145cc2fa95d669792e3ed3967888337b17a9463de21cc27294dafba5314", kill_on_drop: false }`
[INFO] [stdout] 26361145cc2fa95d669792e3ed3967888337b17a9463de21cc27294dafba5314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbaa1976a37af49b59d6cdba434e29a2b22675de2df14035747c02fdc4777d18
[INFO] running `Command { std: "docker" "start" "-a" "cbaa1976a37af49b59d6cdba434e29a2b22675de2df14035747c02fdc4777d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.13
[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 remove_dir_all v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]    Compiling tempfile v3.1.0
[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-d27284f629cbb558/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (567) 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:     0x5e2d508eca9a - std[dc04a3033e4c84d0]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e2d508eca9a - std[dc04a3033e4c84d0]::backtrace_rs::backtrace::trace_unsynchronized::<std[dc04a3033e4c84d0]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e2d508eca9a - std[dc04a3033e4c84d0]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5e2d508eca9a - <<std[dc04a3033e4c84d0]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[dcf3ce157f8b1c72]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5e2d509026da - <core[dcf3ce157f8b1c72]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5e2d509026da - core[dcf3ce157f8b1c72]::fmt::write
[INFO] [stderr]      6:     0x5e2d508f1bb2 - std[dc04a3033e4c84d0]::io::default_write_fmt::<std[dc04a3033e4c84d0]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5e2d508f1bb2 - <std[dc04a3033e4c84d0]::sys::stdio::unix::Stderr as std[dc04a3033e4c84d0]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5e2d508d0b3f - <std[dc04a3033e4c84d0]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5e2d508d0b3f - std[dc04a3033e4c84d0]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5e2d508e7d71 - std[dc04a3033e4c84d0]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5e2d508e7f2b - std[dc04a3033e4c84d0]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5e2d508d0bf8 - std[dc04a3033e4c84d0]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5e2d508c8619 - std[dc04a3033e4c84d0]::sys::backtrace::__rust_end_short_backtrace::<std[dc04a3033e4c84d0]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5e2d508d14dd - __rustc[1c93fa02eb2c9965]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5e2d50902e5c - core[dcf3ce157f8b1c72]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e2d50902ba2 - core[dcf3ce157f8b1c72]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5e2d50727090 - <core[dcf3ce157f8b1c72]::result::Result<(), std[dc04a3033e4c84d0]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x5e2d5072701a - build_script_build[7159c22eb75d5a89]::main
[INFO] [stderr]     19:     0x5e2d50727213 - <fn() as core[dcf3ce157f8b1c72]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x5e2d50726ec6 - std[dc04a3033e4c84d0]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x5e2d50726ed9 - std[dc04a3033e4c84d0]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x5e2d508e7004 - <&dyn core[dcf3ce157f8b1c72]::ops::function::Fn<(), Output = i32> + core[dcf3ce157f8b1c72]::panic::unwind_safe::RefUnwindSafe + core[dcf3ce157f8b1c72]::marker::Sync as core[dcf3ce157f8b1c72]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x5e2d508e7004 - std[dc04a3033e4c84d0]::panicking::catch_unwind::do_call::<&dyn core[dcf3ce157f8b1c72]::ops::function::Fn<(), Output = i32> + core[dcf3ce157f8b1c72]::panic::unwind_safe::RefUnwindSafe + core[dcf3ce157f8b1c72]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x5e2d508e7004 - std[dc04a3033e4c84d0]::panicking::catch_unwind::<i32, &dyn core[dcf3ce157f8b1c72]::ops::function::Fn<(), Output = i32> + core[dcf3ce157f8b1c72]::panic::unwind_safe::RefUnwindSafe + core[dcf3ce157f8b1c72]::marker::Sync>
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x5e2d508e7004 - std[dc04a3033e4c84d0]::panic::catch_unwind::<&dyn core[dcf3ce157f8b1c72]::ops::function::Fn<(), Output = i32> + core[dcf3ce157f8b1c72]::panic::unwind_safe::RefUnwindSafe + core[dcf3ce157f8b1c72]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x5e2d508e7004 - std[dc04a3033e4c84d0]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x5e2d508e7004 - std[dc04a3033e4c84d0]::panicking::catch_unwind::do_call::<std[dc04a3033e4c84d0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x5e2d508e7004 - std[dc04a3033e4c84d0]::panicking::catch_unwind::<isize, std[dc04a3033e4c84d0]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x5e2d508e7004 - std[dc04a3033e4c84d0]::panic::catch_unwind::<std[dc04a3033e4c84d0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5e2d508e7004 - std[dc04a3033e4c84d0]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/38c2997544af84fe301d600d6896397738163002/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x5e2d50726eb1 - std[dc04a3033e4c84d0]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x5e2d50727275 - main
[INFO] [stderr]     33:     0x7ba7052571ca - <unknown>
[INFO] [stderr]     34:     0x7ba70525728b - __libc_start_main
[INFO] [stderr]     35:     0x5e2d50726dc5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "cbaa1976a37af49b59d6cdba434e29a2b22675de2df14035747c02fdc4777d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbaa1976a37af49b59d6cdba434e29a2b22675de2df14035747c02fdc4777d18", kill_on_drop: false }`
[INFO] [stdout] cbaa1976a37af49b59d6cdba434e29a2b22675de2df14035747c02fdc4777d18