[INFO] cloning repository https://github.com/fridtjof/djb2-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fridtjof/djb2-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffridtjof%2Fdjb2-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffridtjof%2Fdjb2-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b05865942303d7c84eb33dac257ba74220a58f80
[INFO] building fridtjof/djb2-rs against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffridtjof%2Fdjb2-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fridtjof/djb2-rs on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fridtjof/djb2-rs
[INFO] finished tweaking git repo https://github.com/fridtjof/djb2-rs
[INFO] tweaked toml for git repo https://github.com/fridtjof/djb2-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fridtjof/djb2-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--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 cbindgen v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d856f60539ae35d7117605665d9aed1ffde1416599a9ab7e607144c8002cf07d
[INFO] running `Command { std: "docker" "start" "-a" "d856f60539ae35d7117605665d9aed1ffde1416599a9ab7e607144c8002cf07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d856f60539ae35d7117605665d9aed1ffde1416599a9ab7e607144c8002cf07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d856f60539ae35d7117605665d9aed1ffde1416599a9ab7e607144c8002cf07d", kill_on_drop: false }`
[INFO] [stdout] d856f60539ae35d7117605665d9aed1ffde1416599a9ab7e607144c8002cf07d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e9afb6a475bf4aa3f7729f2f3154d87c0484cc37a3e2e3585ee3f68015e015
[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" "78e9afb6a475bf4aa3f7729f2f3154d87c0484cc37a3e2e3585ee3f68015e015", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling cbindgen v0.14.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling djb2 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `djb2 v0.3.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/djb2-95f92c1850b94e1b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.14.1/src/bindgen/bindings.rs:101:43
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55eb33dc41e0 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55eb33dc41e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55eb33dc41e0 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55eb33dc41e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55eb33dea30f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55eb33dc1725 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55eb33dc66db - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55eb33dc66db - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55eb33dc66db - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55eb33dc61bd - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55eb33dc6cb0 - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:595:17
[INFO] [stderr]     11:     0x55eb33dc6887 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55eb33dc469c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55eb33dc67e9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55eb339056c1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55eb339057b3 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x55eb3391908a - core::result::Result<T,E>::unwrap::h3069912d732af453
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x55eb33932531 - cbindgen::bindgen::bindings::Bindings::write_to_file::h059e4bacf35f98dc
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.14.1/src/bindgen/bindings.rs:101:24
[INFO] [stderr]     18:     0x55eb339249f1 - build_script_build::main::h405b76846bc832c7
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:8:5
[INFO] [stderr]     19:     0x55eb3391849b - core::ops::function::FnOnce::call_once::h8fc861a343d09776
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55eb339213ae - std::sys_common::backtrace::__rust_begin_short_backtrace::hedb0d615874a2bd6
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55eb3393bbb1 - std::rt::lang_start::{{closure}}::he5c25ddb06f785cd
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:49:18
[INFO] [stderr]     22:     0x55eb33dc718a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55eb33dc718a - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x55eb33dc718a - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x55eb33dc718a - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x55eb33dc718a - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:34:21
[INFO] [stderr]     27:     0x55eb3393bb90 - std::rt::lang_start::h5d6eeec65ca2f016
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:48:5
[INFO] [stderr]     28:     0x55eb33924a8c - main
[INFO] [stderr]     29:     0x7f250e35e0b3 - __libc_start_main
[INFO] [stderr]     30:     0x55eb33905e5e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "78e9afb6a475bf4aa3f7729f2f3154d87c0484cc37a3e2e3585ee3f68015e015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e9afb6a475bf4aa3f7729f2f3154d87c0484cc37a3e2e3585ee3f68015e015", kill_on_drop: false }`
[INFO] [stdout] 78e9afb6a475bf4aa3f7729f2f3154d87c0484cc37a3e2e3585ee3f68015e015
