[INFO] cloning repository https://github.com/Bickio/the-witness-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bickio/the-witness-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBickio%2Fthe-witness-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBickio%2Fthe-witness-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3da16466de009885d1e17f13d3e1fecc26ba42cc
[INFO] checking Bickio/the-witness-solver against master#a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBickio%2Fthe-witness-solver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bickio/the-witness-solver
[INFO] finished tweaking git repo https://github.com/Bickio/the-witness-solver
[INFO] tweaked toml for git repo https://github.com/Bickio/the-witness-solver written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bickio/the-witness-solver on toolchain a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bickio/the-witness-solver 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" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Bickio/z3.rs`
[INFO] [stderr]     Updating git submodule `https://github.com/Z3Prover/z3.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8872d001dee8132f16434c1e2a757519b765193fb5d8a3cc1412b6f93b6414b
[INFO] running `Command { std: "docker" "start" "-a" "d8872d001dee8132f16434c1e2a757519b765193fb5d8a3cc1412b6f93b6414b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8872d001dee8132f16434c1e2a757519b765193fb5d8a3cc1412b6f93b6414b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8872d001dee8132f16434c1e2a757519b765193fb5d8a3cc1412b6f93b6414b", kill_on_drop: false }`
[INFO] [stdout] d8872d001dee8132f16434c1e2a757519b765193fb5d8a3cc1412b6f93b6414b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f03248a420a7cad24d61d026ed00549d8af99b92306433074cf18ab9f621fcb
[INFO] running `Command { std: "docker" "start" "-a" "3f03248a420a7cad24d61d026ed00549d8af99b92306433074cf18ab9f621fcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling z3-sys v0.7.1 (https://github.com/Bickio/z3.rs?branch=build-issues#78298c25)
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr] error: failed to run custom build command for `z3-sys v0.7.1 (https://github.com/Bickio/z3.rs?branch=build-issues#78298c25)`
[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/z3-sys-aa35b514efa3740d/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[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' (56) panicked at /opt/rustwide/cargo-home/git/checkouts/z3.rs-4aa862eccd23a875/78298c2/z3-sys/build.rs:39:5:
[INFO] [stderr]   assertion failed: curl.success()
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x6320702ae872 - std[dc7fbcbc35aabe44]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x6320702ae872 - std[dc7fbcbc35aabe44]::backtrace_rs::backtrace::trace_unsynchronized::<std[dc7fbcbc35aabe44]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x6320702ae872 - std[dc7fbcbc35aabe44]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x6320702ae872 - <<std[dc7fbcbc35aabe44]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[65d6a7660ab7b234]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x6320702c064a - <core[65d6a7660ab7b234]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x6320702c064a - core[65d6a7660ab7b234]::fmt::write
[INFO] [stderr]      6:     0x6320702b30e6 - std[dc7fbcbc35aabe44]::io::default_write_fmt::<std[dc7fbcbc35aabe44]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x6320702b30e6 - <std[dc7fbcbc35aabe44]::sys::stdio::unix::Stderr as std[dc7fbcbc35aabe44]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x632070293ddf - <std[dc7fbcbc35aabe44]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x632070293ddf - std[dc7fbcbc35aabe44]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x6320702aa691 - std[dc7fbcbc35aabe44]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x6320702aa84b - std[dc7fbcbc35aabe44]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x632070293eca - std[dc7fbcbc35aabe44]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x63207028bb59 - std[dc7fbcbc35aabe44]::sys::backtrace::__rust_end_short_backtrace::<std[dc7fbcbc35aabe44]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x63207029473d - __rustc[d971bfefe721b27c]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x6320702c0cbc - core[65d6a7660ab7b234]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x6320702c0c82 - core[65d6a7660ab7b234]::panicking::panic
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/core/src/panicking.rs:150:5
[INFO] [stderr]     17:     0x632070279ece - build_script_build[52b076efbaed1101]::get_z3
[INFO] [stderr]     18:     0x6320702795d3 - build_script_build[52b076efbaed1101]::main
[INFO] [stderr]     19:     0x63207027cae3 - <fn() as core[65d6a7660ab7b234]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     20:     0x632070279056 - std[dc7fbcbc35aabe44]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     21:     0x632070279539 - std[dc7fbcbc35aabe44]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     22:     0x6320702a9846 - <&dyn core[65d6a7660ab7b234]::ops::function::Fn<(), Output = i32> + core[65d6a7660ab7b234]::marker::Sync + core[65d6a7660ab7b234]::panic::unwind_safe::RefUnwindSafe as core[65d6a7660ab7b234]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x6320702a9846 - std[dc7fbcbc35aabe44]::panicking::catch_unwind::do_call::<&dyn core[65d6a7660ab7b234]::ops::function::Fn<(), Output = i32> + core[65d6a7660ab7b234]::marker::Sync + core[65d6a7660ab7b234]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x6320702a9846 - std[dc7fbcbc35aabe44]::panicking::catch_unwind::<i32, &dyn core[65d6a7660ab7b234]::ops::function::Fn<(), Output = i32> + core[65d6a7660ab7b234]::marker::Sync + core[65d6a7660ab7b234]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x6320702a9846 - std[dc7fbcbc35aabe44]::panic::catch_unwind::<&dyn core[65d6a7660ab7b234]::ops::function::Fn<(), Output = i32> + core[65d6a7660ab7b234]::marker::Sync + core[65d6a7660ab7b234]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x6320702a9846 - std[dc7fbcbc35aabe44]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x6320702a9846 - std[dc7fbcbc35aabe44]::panicking::catch_unwind::do_call::<std[dc7fbcbc35aabe44]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x6320702a9846 - std[dc7fbcbc35aabe44]::panicking::catch_unwind::<isize, std[dc7fbcbc35aabe44]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x6320702a9846 - std[dc7fbcbc35aabe44]::panic::catch_unwind::<std[dc7fbcbc35aabe44]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x6320702a9846 - std[dc7fbcbc35aabe44]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x632070278fd1 - std[dc7fbcbc35aabe44]::rt::lang_start::<()>
[INFO] [stderr]     32:     0x63207027ce45 - main
[INFO] [stderr]     33:     0x7347a815b1ca - <unknown>
[INFO] [stderr]     34:     0x7347a815b28b - __libc_start_main
[INFO] [stderr]     35:     0x632070277a55 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3f03248a420a7cad24d61d026ed00549d8af99b92306433074cf18ab9f621fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f03248a420a7cad24d61d026ed00549d8af99b92306433074cf18ab9f621fcb", kill_on_drop: false }`
[INFO] [stdout] 3f03248a420a7cad24d61d026ed00549d8af99b92306433074cf18ab9f621fcb
