[INFO] updating cached repository https://github.com/xasopheno/weresocool-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73ef9bd43fea7d8e1a18164cb3c7d5a79b6d4e3c
[INFO] checking xasopheno/weresocool-parser against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxasopheno%2Fweresocool-parser" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xasopheno/weresocool-parser on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xasopheno/weresocool-parser
[INFO] finished tweaking git repo https://github.com/xasopheno/weresocool-parser
[INFO] tweaked toml for git repo https://github.com/xasopheno/weresocool-parser written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/xasopheno/weresocool-parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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] 58cdb4ee9cc9d2e45684c0b4d229bc34bbadae67358caf4462535919f10b5100
[INFO] running `Command { std: "docker" "start" "-a" "58cdb4ee9cc9d2e45684c0b4d229bc34bbadae67358caf4462535919f10b5100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58cdb4ee9cc9d2e45684c0b4d229bc34bbadae67358caf4462535919f10b5100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cdb4ee9cc9d2e45684c0b4d229bc34bbadae67358caf4462535919f10b5100", kill_on_drop: false }`
[INFO] [stdout] 58cdb4ee9cc9d2e45684c0b4d229bc34bbadae67358caf4462535919f10b5100
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e27e9b2f6a2bddf79d0f0b2e9ff02d3748b030eab29bf4246577461fe44ffe45
[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" "e27e9b2f6a2bddf79d0f0b2e9ff02d3748b030eab29bf4246577461fe44ffe45", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling lalrpop-util v0.16.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling ena v0.9.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling syn v0.15.8
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling lalrpop-snap v0.16.0
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling lalrpop v0.16.0
[INFO] [stderr] error: failed to run custom build command for `lalrpop v0.16.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lalrpop-1a71c2c2f561bfe3/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/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-0.16.0/build.rs:4:34
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e2ddca059f - std::backtrace_rs::backtrace::libunwind::trace::h8864605b5c3dbe2c
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55e2ddca059f - std::backtrace_rs::backtrace::trace_unsynchronized::h1f622efed412f077
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55e2ddca059f - std::sys_common::backtrace::_print_fmt::h8e17da323f21cc2b
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x55e2ddca059f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd4a7293426badf40
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55e2ddcbff0c - core::fmt::write::hfbd2baad61ed21a8
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x55e2ddc9d692 - std::io::Write::write_fmt::h54828fb1bd41a052
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/io/mod.rs:1508
[INFO] [stderr]      6:     0x55e2ddca2b20 - std::sys_common::backtrace::_print::h6ba0300926b9fb58
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55e2ddca2b20 - std::sys_common::backtrace::print::hd11f0188385cb859
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55e2ddca2b20 - std::panicking::default_hook::{{closure}}::h57b45fcdc30fe8e4
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55e2ddca286c - std::panicking::default_hook::h067cd795bad37ff3
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55e2ddca3163 - std::panicking::rust_panic_with_hook::hd1b93581b69959be
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55e2ddca2d5b - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55e2ddcbe5c1 - core::panicking::panic_fmt::h9cc57011b345cfad
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x55e2ddcbe3e3 - core::option::expect_none_failed::h10abb5a6aef32df8
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/option.rs:1273
[INFO] [stderr]     14:     0x55e2dd378523 - core::result::Result<T,E>::unwrap::h0f4e0fd1185858ea
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/result.rs:1005
[INFO] [stderr]     15:     0x55e2dd37846d - build_script_build::main::h833232399c93e087
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4
[INFO] [stderr]     16:     0x55e2dd3785fb - std::rt::lang_start::{{closure}}::h5077a733683e8d43
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x55e2ddca3533 - std::rt::lang_start_internal::{{closure}}::h9a7ec4d0a4846786
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x55e2ddca3533 - std::panicking::try::do_call::h31d9073533c95062
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x55e2ddca3533 - std::panicking::try::h9be90170880ba1d0
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x55e2ddca3533 - std::panic::catch_unwind::hba3ee29aa4d47586
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x55e2ddca3533 - std::rt::lang_start_internal::h90880417661a7eb6
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x55e2dd3785d7 - std::rt::lang_start::hafdc6776c604c2c7
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x55e2dd3784aa - main
[INFO] [stderr]     24:     0x7fd9419f80b3 - __libc_start_main
[INFO] [stderr]     25:     0x55e2dd3780ce - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e27e9b2f6a2bddf79d0f0b2e9ff02d3748b030eab29bf4246577461fe44ffe45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27e9b2f6a2bddf79d0f0b2e9ff02d3748b030eab29bf4246577461fe44ffe45", kill_on_drop: false }`
[INFO] [stdout] e27e9b2f6a2bddf79d0f0b2e9ff02d3748b030eab29bf4246577461fe44ffe45