[INFO] cloning repository https://github.com/martin-leuner/shutterctl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martin-leuner/shutterctl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-leuner%2Fshutterctl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-leuner%2Fshutterctl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84455f4538242e8146bea3c4adcfd05d2775c9a8
[INFO] checking martin-leuner/shutterctl against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-leuner%2Fshutterctl" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martin-leuner/shutterctl on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martin-leuner/shutterctl
[INFO] finished tweaking git repo https://github.com/martin-leuner/shutterctl
[INFO] tweaked toml for git repo https://github.com/martin-leuner/shutterctl written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/martin-leuner/shutterctl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be318e62662fe2c25d4cb0b3d32980163c0282919126854f84e81afe9ddcc1b4
[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" "be318e62662fe2c25d4cb0b3d32980163c0282919126854f84e81afe9ddcc1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be318e62662fe2c25d4cb0b3d32980163c0282919126854f84e81afe9ddcc1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be318e62662fe2c25d4cb0b3d32980163c0282919126854f84e81afe9ddcc1b4", kill_on_drop: false }`
[INFO] [stdout] be318e62662fe2c25d4cb0b3d32980163c0282919126854f84e81afe9ddcc1b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b7fc65493a8a238a36f04f59669b50e5d775e4e7acfa4875852b14f087b97b0
[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" "0b7fc65493a8a238a36f04f59669b50e5d775e4e7acfa4875852b14f087b97b0", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling flatc-rust v0.2.0
[INFO] [stderr]     Checking flatbuffers v0.7.0
[INFO] [stderr]    Compiling shutterctl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `shutterctl v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/shutterctl-b4fcc7339a63f3c0/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=fbs/shuttermsg_head.fbs
[INFO] [stderr]   cargo:rerun-if-changed=fbs/shuttermsg.fbs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'flatc invocation: Custom { kind: NotFound, error: "failed to spawn `\"flatc\" \"--version\"`: No such file or directory (os error 2)" }', build.rs:11:8
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x559530a85730 - std::backtrace_rs::backtrace::libunwind::trace::h4e80f45db05e9df0
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x559530a85730 - std::backtrace_rs::backtrace::trace_unsynchronized::h9db62a3d3587f6c3
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x559530a85730 - std::sys_common::backtrace::_print_fmt::h2fafbe52c9090591
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x559530a85730 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7d41ae04358c516d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x559530aa306c - core::fmt::write::h968e6400cbc51d6a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x559530a834d5 - std::io::Write::write_fmt::h2eaa97c6f8c9e829
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/io/mod.rs:1642:15
[INFO] [stderr]      6:     0x559530a8745b - std::sys_common::backtrace::_print::h601a6bc581f240d5
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x559530a8745b - std::sys_common::backtrace::print::h8b96e15ba64b8e64
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x559530a8745b - std::panicking::default_hook::{{closure}}::h94fa9d2f08c20620
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x559530a86f31 - std::panicking::default_hook::h6d463f5a2e9d9986
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x559530a87b24 - std::panicking::rust_panic_with_hook::h1e953652a338573e
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x559530a87607 - std::panicking::begin_panic_handler::{{closure}}::h78bf2fec525c238a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x559530a85c2c - std::sys_common::backtrace::__rust_end_short_backtrace::h651eb6282e4ea6b2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x559530a87569 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x559530a5f201 - core::panicking::panic_fmt::hdfd0360cedf2d908
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x559530a5f293 - core::result::unwrap_failed::hc9085c7b2fddd31a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x559530a5fc19 - core::result::Result<T,E>::expect::h502e3f389969ba3a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x559530a5fee8 - build_script_build::main::he08e4bea03cc6eba
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:7:5
[INFO] [stderr]     18:     0x559530a5fa9b - core::ops::function::FnOnce::call_once::h56d4e09e251e3e2f
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x559530a5fc8e - std::sys_common::backtrace::__rust_begin_short_backtrace::h56d6701c20062187
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x559530a5fb61 - std::rt::lang_start::{{closure}}::h3adda578d4034268
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x559530a8802a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hccffb0872f46e99d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x559530a8802a - std::panicking::try::do_call::h814e0410256bb9f2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x559530a8802a - std::panicking::try::h97cbec2057cc2c0d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x559530a8802a - std::panic::catch_unwind::h964f35f6fa41d1d7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x559530a8802a - std::rt::lang_start_internal::{{closure}}::hb97931cf27086d8b
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x559530a8802a - std::panicking::try::do_call::hf0d61be342e8297a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x559530a8802a - std::panicking::try::h6b40eeb22db57b23
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x559530a8802a - std::panic::catch_unwind::h425af95fffdb0cf5
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x559530a8802a - std::rt::lang_start_internal::h21e355575f2fedc7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x559530a5fb30 - std::rt::lang_start::h2a1cf7b6966bd9a1
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x559530a5ff0c - main
[INFO] [stderr]     32:     0x7fd4b5c0e0b3 - __libc_start_main
[INFO] [stderr]     33:     0x559530a5f95e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "0b7fc65493a8a238a36f04f59669b50e5d775e4e7acfa4875852b14f087b97b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b7fc65493a8a238a36f04f59669b50e5d775e4e7acfa4875852b14f087b97b0", kill_on_drop: false }`
[INFO] [stdout] 0b7fc65493a8a238a36f04f59669b50e5d775e4e7acfa4875852b14f087b97b0