[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] checking fridtjof/djb2-rs against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffridtjof%2Fdjb2-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fridtjof/djb2-rs on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-11/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] dc6cb988e41ce89f167cb67a8fe6d9c5c42b3b0000d0ad2a3fbb097767c027a7
[INFO] running `Command { std: "docker" "start" "-a" "dc6cb988e41ce89f167cb67a8fe6d9c5c42b3b0000d0ad2a3fbb097767c027a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6cb988e41ce89f167cb67a8fe6d9c5c42b3b0000d0ad2a3fbb097767c027a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6cb988e41ce89f167cb67a8fe6d9c5c42b3b0000d0ad2a3fbb097767c027a7", kill_on_drop: false }`
[INFO] [stdout] dc6cb988e41ce89f167cb67a8fe6d9c5c42b3b0000d0ad2a3fbb097767c027a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6683c3de7f5810ceabc307a4c4853b7164e5e5897e2f22ed3131aa07fb3b0154
[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" "6683c3de7f5810ceabc307a4c4853b7164e5e5897e2f22ed3131aa07fb3b0154", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling cbindgen v0.14.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[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 toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.51
[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:     0x562cb4765320 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x562cb4765320 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562cb4765320 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x562cb4765320 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h767e17e1aa7df6a8
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x562cb478b66f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x562cb4762865 - std::io::Write::write_fmt::h4c802b6f761026c1
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x562cb476782b - std::sys_common::backtrace::_print::h2769edb26a7eb606
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x562cb476782b - std::sys_common::backtrace::print::ha71f3549862b4cb6
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x562cb476782b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x562cb4767301 - std::panicking::default_hook::h290aa602c0fb11df
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x562cb4767e65 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:629:17
[INFO] [stderr]     11:     0x562cb47679d7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x562cb47657bc - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x562cb4767939 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x562cb42a76c1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x562cb42a77b3 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x562cb42bb0ea - core::result::Result<T,E>::unwrap::h2a998e4ba478d65f
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x562cb42d4591 - 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:     0x562cb42c6a51 - build_script_build::main::h405b76846bc832c7
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:8:5
[INFO] [stderr]     19:     0x562cb42ba54b - core::ops::function::FnOnce::call_once::h8fc861a343d09776
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x562cb42c340e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0784493913bb5505
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x562cb42ddc11 - std::rt::lang_start::{{closure}}::hd2c27f8613505d45
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/rt.rs:49:18
[INFO] [stderr]     22:     0x562cb476837a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h04259e4a34d07c2f
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x562cb476837a - std::panicking::try::do_call::hb8da45704d5cfbbf
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x562cb476837a - std::panicking::try::h4beadc19a78fec52
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x562cb476837a - std::panic::catch_unwind::hc58016cd36ba81a4
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panic.rs:433:14
[INFO] [stderr]     26:     0x562cb476837a - std::rt::lang_start_internal::hc51399759a90501a
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/rt.rs:34:21
[INFO] [stderr]     27:     0x562cb42ddbf0 - std::rt::lang_start::ha505b8c92a934141
[INFO] [stderr]                                  at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/rt.rs:48:5
[INFO] [stderr]     28:     0x562cb42c6aec - main
[INFO] [stderr]     29:     0x7f172b8050b3 - __libc_start_main
[INFO] [stderr]     30:     0x562cb42a7ebe - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6683c3de7f5810ceabc307a4c4853b7164e5e5897e2f22ed3131aa07fb3b0154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6683c3de7f5810ceabc307a4c4853b7164e5e5897e2f22ed3131aa07fb3b0154", kill_on_drop: false }`
[INFO] [stdout] 6683c3de7f5810ceabc307a4c4853b7164e5e5897e2f22ed3131aa07fb3b0154