[INFO] updating cached repository https://github.com/m-wynn/casm
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be0b2e4a243fab346871a6aef689fd5856e95215
[INFO] testing m-wynn/casm against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-wynn%2Fcasm" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m-wynn/casm on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/m-wynn/casm
[INFO] finished tweaking git repo https://github.com/m-wynn/casm
[INFO] tweaked toml for git repo https://github.com/m-wynn/casm written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/m-wynn/casm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stdout] 376de3edcd4f1c46b4dbac9a4f1f89f4bc93a3184e0e26f11d31c928f4372a95
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "376de3edcd4f1c46b4dbac9a4f1f89f4bc93a3184e0e26f11d31c928f4372a95"`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling ffmpeg v0.2.0-alpha.2 (https://github.com/meh/rust-ffmpeg?rev=b67e4eb#b67e4eb6)
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling serde v1.0.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling xdg v2.1.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling textwrap v0.6.0
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling clap v2.25.1
[INFO] [stderr]    Compiling pbr v1.0.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling tempfile v2.1.6
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling mime v0.3.3
[INFO] [stderr]    Compiling gag v0.1.9
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]    Compiling ffmpeg-sys v3.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.2
[INFO] [stderr]    Compiling casm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr] error: failed to run custom build command for `mime_guess v2.0.0-alpha.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-a1f20c38b4afa250/build-script-gen_mime_types` (exit code: 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/mime_guess-2.0.0-alpha.2/src/gen_mime_types.rs:22:38
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5607e160f554 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x5607e160f554 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5607e160f554 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x5607e160f554 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4d51ef07ce58e54b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x5607e162dadc - core::fmt::write::he16b9c1345d8565e
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x5607e160dd73 - std::io::Write::write_fmt::h35d873b9ce1f02a8
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x5607e1611af5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x5607e1611af5 - std::sys_common::backtrace::print::h82e606e62781d8af
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5607e1611af5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x5607e1611832 - std::panicking::default_hook::h1b8b42953fdc841d
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x5607e1612102 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x5607e1611ceb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x5607e162cec1 - core::panicking::panic_fmt::hc8f9a0b2af5fb585
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x5607e162cce3 - core::option::expect_none_failed::ha34d57526cca3063
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x5607e15f6b3b - core::result::Result<T,E>::unwrap::h67245fd16ac4a49c
[INFO] [stderr]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x5607e15d929f - build_script_gen_mime_types::main::h00da5bbae94235c5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-2.0.0-alpha.2/src/gen_mime_types.rs:22
[INFO] [stderr]   16:     0x5607e15d73cb - std::rt::lang_start::{{closure}}::hd9795910713eddeb
[INFO] [stderr]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x5607e1612548 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x5607e1612548 - std::panicking::try::do_call::hbcbbc645883681bb
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x5607e1612548 - std::panicking::try::h250f86dc8ee6d054
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x5607e1612548 - std::panic::catch_unwind::h58d26ced09bde6c3
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x5607e1612548 - std::rt::lang_start_internal::h7de51dd9f16af454
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x5607e15d73a7 - std::rt::lang_start::h2b3a6f33fe52bff0
[INFO] [stderr]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x5607e15da7fa - main
[INFO] [stderr]   24:     0x7fc80131bb97 - __libc_start_main
[INFO] [stderr]   25:     0x5607e15bb15a - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `casm v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/casm-bbc1aa77a279844f/build-script-gen_codec_types` (exit code: 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" }', src/gen_codec_types.rs:17:38
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56209ba48b34 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x56209ba48b34 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x56209ba48b34 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x56209ba48b34 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4d51ef07ce58e54b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x56209ba670bc - core::fmt::write::he16b9c1345d8565e
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x56209ba47353 - std::io::Write::write_fmt::h35d873b9ce1f02a8
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x56209ba4b0d5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x56209ba4b0d5 - std::sys_common::backtrace::print::h82e606e62781d8af
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x56209ba4b0d5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x56209ba4ae12 - std::panicking::default_hook::h1b8b42953fdc841d
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x56209ba4b6e2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x56209ba4b2cb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:419
[INFO] [stderr]   12:     0x56209ba664a1 - core::panicking::panic_fmt::hc8f9a0b2af5fb585
[INFO] [stderr]                                at src/libcore/panicking.rs:111
[INFO] [stderr]   13:     0x56209ba662c3 - core::option::expect_none_failed::ha34d57526cca3063
[INFO] [stderr]                                at src/libcore/option.rs:1268
[INFO] [stderr]   14:     0x56209ba2cb6b - core::result::Result<T,E>::unwrap::hb3c783b97f0df7e6
[INFO] [stderr]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x56209ba2443f - build_script_gen_codec_types::main::h31abb4ac436c30ef
[INFO] [stderr]                                at src/gen_codec_types.rs:17
[INFO] [stderr]   16:     0x56209ba2617b - std::rt::lang_start::{{closure}}::h65c3d9a79a5382da
[INFO] [stderr]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x56209ba4bb28 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x56209ba4bb28 - std::panicking::try::do_call::hbcbbc645883681bb
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   19:     0x56209ba4bb28 - std::panicking::try::h250f86dc8ee6d054
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x56209ba4bb28 - std::panic::catch_unwind::h58d26ced09bde6c3
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x56209ba4bb28 - std::rt::lang_start_internal::h7de51dd9f16af454
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x56209ba26157 - std::rt::lang_start::h39fe9061c2a7ee25
[INFO] [stderr]                                at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x56209ba2496a - main
[INFO] [stderr]   24:     0x7f9947d8bb97 - __libc_start_main
[INFO] [stderr]   25:     0x56209ba0e98a - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "376de3edcd4f1c46b4dbac9a4f1f89f4bc93a3184e0e26f11d31c928f4372a95"`
[INFO] running `"docker" "rm" "-f" "376de3edcd4f1c46b4dbac9a4f1f89f4bc93a3184e0e26f11d31c928f4372a95"`
[INFO] [stdout] 376de3edcd4f1c46b4dbac9a4f1f89f4bc93a3184e0e26f11d31c928f4372a95