[INFO] cloning repository https://github.com/fpcoffee/Nitrous-Oxide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fpcoffee/Nitrous-Oxide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpcoffee%2FNitrous-Oxide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpcoffee%2FNitrous-Oxide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 887d58d83980706a1a127f43aa30ca7aa10ea1a7
[INFO] checking fpcoffee/Nitrous-Oxide against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffpcoffee%2FNitrous-Oxide" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fpcoffee/Nitrous-Oxide on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fpcoffee/Nitrous-Oxide
[INFO] finished tweaking git repo https://github.com/fpcoffee/Nitrous-Oxide
[INFO] tweaked toml for git repo https://github.com/fpcoffee/Nitrous-Oxide written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/fpcoffee/Nitrous-Oxide already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5322508f2bd40f063c80ba89acf815a2f383cfb713a0e45582cd92725326cd80
[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" "5322508f2bd40f063c80ba89acf815a2f383cfb713a0e45582cd92725326cd80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5322508f2bd40f063c80ba89acf815a2f383cfb713a0e45582cd92725326cd80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5322508f2bd40f063c80ba89acf815a2f383cfb713a0e45582cd92725326cd80", kill_on_drop: false }`
[INFO] [stdout] 5322508f2bd40f063c80ba89acf815a2f383cfb713a0e45582cd92725326cd80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ebf6b79f94a6a14175dfd54bf5557cf1124c09742fb1508d28950847d4aa280
[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" "4ebf6b79f94a6a14175dfd54bf5557cf1124c09742fb1508d28950847d4aa280", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling ordermap v0.2.10
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling fixedbitset v0.1.7
[INFO] [stderr]    Compiling diff v0.1.10
[INFO] [stderr]    Compiling lalrpop-intern v0.13.1
[INFO] [stderr]    Compiling lalrpop-util v0.13.1
[INFO] [stderr]    Compiling ena v0.5.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling petgraph v0.4.5
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling lalrpop-snap v0.13.1
[INFO] [stderr]    Compiling lalrpop v0.13.1
[INFO] [stderr] error: failed to run custom build command for `lalrpop v0.13.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lalrpop-452ea8e116f71248/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.13.1/src/parser/lrgrammar.lalrpop`
[INFO] [stderr] 
[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/lalrpop-0.13.1/build.rs:4:34
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55f985c79ff0 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55f985c79ff0 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f985c79ff0 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55f985c79ff0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7b3d6cac46d277e1
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55f985c965cf - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x55f985c77862 - std::io::Write::write_fmt::h6010cfbb4726588b
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/io/mod.rs:1572:15
[INFO] [stderr]      6:     0x55f985c7be75 - std::sys_common::backtrace::_print::h79b4f9652330cc9d
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55f985c7be75 - std::sys_common::backtrace::print::h330bb326a76af8cf
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55f985c7be75 - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55f985c7b923 - std::panicking::default_hook::h17e521ba6d68d6e1
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55f985c7c47d - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55f985c7c017 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55f985c7a4ac - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55f985c7bf79 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55f98552f2e1 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55f98552f1d3 - core::option::expect_none_failed::h354eaa93a51d71b8
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/option.rs:1329:5
[INFO] [stderr]     16:     0x55f98552fe70 - core::result::Result<T,E>::unwrap::h621622cdc9025f58
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x55f98552fb0a - build_script_build::main::hfe527e9242426c7a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.13.1/build.rs:4:5
[INFO] [stderr]     18:     0x55f98552ff0b - core::ops::function::FnOnce::call_once::h92042fa8ab476cf4
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55f98552fbce - std::sys_common::backtrace::__rust_begin_short_backtrace::h5ab380c86a73eb2d
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55f98552fac1 - std::rt::lang_start::{{closure}}::hf631f3a5bb49fb99
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55f985c7c87a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbcc915e668c7ca11
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55f985c7c87a - std::panicking::try::do_call::h6b0f430d48122ddf
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55f985c7c87a - std::panicking::try::h6ba420e2e21b5afa
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55f985c7c87a - std::panic::catch_unwind::h8366719d1f615eee
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x55f985c7c87a - std::rt::lang_start_internal::h965c28c9ce06ee73
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55f98552faa0 - std::rt::lang_start::h7f633fec6ab63cda
[INFO] [stderr]                                  at /rustc/f82664191d0e8764b7435b9d72eb0e366b8b1464/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55f98552fb2c - main
[INFO] [stderr]     28:     0x7f70f03b20b3 - __libc_start_main
[INFO] [stderr]     29:     0x55f98552f9ae - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4ebf6b79f94a6a14175dfd54bf5557cf1124c09742fb1508d28950847d4aa280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebf6b79f94a6a14175dfd54bf5557cf1124c09742fb1508d28950847d4aa280", kill_on_drop: false }`
[INFO] [stdout] 4ebf6b79f94a6a14175dfd54bf5557cf1124c09742fb1508d28950847d4aa280