[INFO] cloning repository https://github.com/WiktorMurawski/IC-Hamming
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WiktorMurawski/IC-Hamming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiktorMurawski%2FIC-Hamming", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiktorMurawski%2FIC-Hamming'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f03eca48d53a710b5b7aa0134cc60707d0bb61f8
[INFO] checking WiktorMurawski/IC-Hamming/f03eca48d53a710b5b7aa0134cc60707d0bb61f8 against c9ff496891c278ad660bc0ab85c1f0b72059464a for pr-160491
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWiktorMurawski%2FIC-Hamming" "/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/WiktorMurawski/IC-Hamming
[INFO] finished tweaking git repo https://github.com/WiktorMurawski/IC-Hamming
[INFO] tweaked toml for git repo https://github.com/WiktorMurawski/IC-Hamming written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WiktorMurawski/IC-Hamming on toolchain c9ff496891c278ad660bc0ab85c1f0b72059464a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9ff496891c278ad660bc0ab85c1f0b72059464a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WiktorMurawski/IC-Hamming 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" "+c9ff496891c278ad660bc0ab85c1f0b72059464a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minipaste v0.1.0
[INFO] [stderr]   Downloaded cmk v0.1.2
[INFO] [stderr]   Downloaded fltk v1.5.22
[INFO] [stderr]   Downloaded fltk-sys v1.5.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 21c61459b51c1ca9c283843886103f7e37ec8b481308213c6d5a8225870e97b7
[INFO] running `Command { std: "docker" "start" "21c61459b51c1ca9c283843886103f7e37ec8b481308213c6d5a8225870e97b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c61459b51c1ca9c283843886103f7e37ec8b481308213c6d5a8225870e97b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "21c61459b51c1ca9c283843886103f7e37ec8b481308213c6d5a8225870e97b7" "/opt/rustwide/cargo-home/bin/cargo" "+c9ff496891c278ad660bc0ab85c1f0b72059464a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c61459b51c1ca9c283843886103f7e37ec8b481308213c6d5a8225870e97b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "21c61459b51c1ca9c283843886103f7e37ec8b481308213c6d5a8225870e97b7" "/opt/rustwide/cargo-home/bin/cargo" "+c9ff496891c278ad660bc0ab85c1f0b72059464a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling minipaste v0.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling fltk-sys v1.5.22
[INFO] [stderr] error: failed to run custom build command for `fltk-sys v1.5.22`
[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/fltk-sys/b90f3f543e0892c5/out/build_script_main` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]     % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
[INFO] [stderr]                                    Dload  Upload  Total   Spent   Left   Speed
[INFO] [stderr]   
  0      0   0      0   0      0      0      0                              0curl: (6) Could not resolve host: github.com
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (140) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/fltk-sys-1.5.22/build/bundled.rs:30:13:
[INFO] [stderr]   Download bundled libraries from "https://github.com/MoAlyousef/cfltk/releases/latest/download/lib_x86_64-unknown-linux-gnu.tar.gz" failed
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ec6f1648ff1 - std[6680dfaa64cc66c5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ec6f1648ff1 - std[6680dfaa64cc66c5]::backtrace_rs::backtrace::trace_unsynchronized::<std[6680dfaa64cc66c5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ec6f1648ff1 - std[6680dfaa64cc66c5]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5ec6f1648ff1 - <<std[6680dfaa64cc66c5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[f17540a71317f7a8]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5ec6f165a57a - <core[f17540a71317f7a8]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5ec6f165a57a - core[f17540a71317f7a8]::fmt::write
[INFO] [stderr]      6:     0x5ec6f164cf2c - core[f17540a71317f7a8]::io::write::default_write_fmt::<std[6680dfaa64cc66c5]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x5ec6f164cf2c - <std[6680dfaa64cc66c5]::sys::stdio::unix::Stderr as core[f17540a71317f7a8]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x5ec6f162b466 - <std[6680dfaa64cc66c5]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5ec6f162b466 - std[6680dfaa64cc66c5]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5ec6f1644971 - std[6680dfaa64cc66c5]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5ec6f1644b2b - std[6680dfaa64cc66c5]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panicking.rs:815:13
[INFO] [stderr]     12:     0x5ec6f162b512 - std[6680dfaa64cc66c5]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panicking.rs:688:13
[INFO] [stderr]     13:     0x5ec6f1624899 - std[6680dfaa64cc66c5]::sys::backtrace::__rust_end_short_backtrace::<std[6680dfaa64cc66c5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5ec6f162be6d - __rustc[4d6acb9b5637ad95]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panicking.rs:679:5
[INFO] [stderr]     15:     0x5ec6f165acec - core[f17540a71317f7a8]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5ec6f160df05 - build_script_main[ded65ad0b0042130]::bundled::get
[INFO] [stderr]     17:     0x5ec6f160b0f9 - build_script_main[ded65ad0b0042130]::main
[INFO] [stderr]     18:     0x5ec6f160e8b3 - <fn() as core[f17540a71317f7a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5ec6f160a4f6 - std[6680dfaa64cc66c5]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5ec6f160a5a9 - std[6680dfaa64cc66c5]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5ec6f1643d07 - <&dyn core[f17540a71317f7a8]::ops::function::Fn<(), Output = i32> + core[f17540a71317f7a8]::panic::unwind_safe::RefUnwindSafe + core[f17540a71317f7a8]::marker::Sync as core[f17540a71317f7a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5ec6f1643d07 - std[6680dfaa64cc66c5]::panicking::catch_unwind::do_call::<&dyn core[f17540a71317f7a8]::ops::function::Fn<(), Output = i32> + core[f17540a71317f7a8]::panic::unwind_safe::RefUnwindSafe + core[f17540a71317f7a8]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panicking.rs:576:43
[INFO] [stderr]     23:     0x5ec6f1643d07 - std[6680dfaa64cc66c5]::panicking::catch_unwind::<i32, &dyn core[f17540a71317f7a8]::ops::function::Fn<(), Output = i32> + core[f17540a71317f7a8]::panic::unwind_safe::RefUnwindSafe + core[f17540a71317f7a8]::marker::Sync>
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5ec6f1643d07 - std[6680dfaa64cc66c5]::panic::catch_unwind::<&dyn core[f17540a71317f7a8]::ops::function::Fn<(), Output = i32> + core[f17540a71317f7a8]::panic::unwind_safe::RefUnwindSafe + core[f17540a71317f7a8]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5ec6f1643d07 - std[6680dfaa64cc66c5]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5ec6f1643d07 - std[6680dfaa64cc66c5]::panicking::catch_unwind::do_call::<std[6680dfaa64cc66c5]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panicking.rs:576:43
[INFO] [stderr]     27:     0x5ec6f1643d07 - std[6680dfaa64cc66c5]::panicking::catch_unwind::<isize, std[6680dfaa64cc66c5]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5ec6f1643d07 - std[6680dfaa64cc66c5]::panic::catch_unwind::<std[6680dfaa64cc66c5]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5ec6f1643d07 - std[6680dfaa64cc66c5]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/c9ff496891c278ad660bc0ab85c1f0b72059464a/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5ec6f160a461 - std[6680dfaa64cc66c5]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5ec6f160e8f5 - main
[INFO] [stderr]     32:     0x7029be0b8601 - <unknown>
[INFO] [stderr]     33:     0x7029be0b8718 - __libc_start_main
[INFO] [stderr]     34:     0x5ec6f1609ef5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "21c61459b51c1ca9c283843886103f7e37ec8b481308213c6d5a8225870e97b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c61459b51c1ca9c283843886103f7e37ec8b481308213c6d5a8225870e97b7", kill_on_drop: false }`
[INFO] [stdout] 21c61459b51c1ca9c283843886103f7e37ec8b481308213c6d5a8225870e97b7
