[INFO] updating cached repository machisuji/cardboard
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/machisuji/cardboard
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/machisuji/cardboard" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/machisuji/cardboard"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/machisuji/cardboard'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/machisuji/cardboard" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/machisuji/cardboard"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/machisuji/cardboard'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a428ddf80880c7c299bc13477506800eb5669c9a
[INFO] sha for GitHub repo machisuji/cardboard: a428ddf80880c7c299bc13477506800eb5669c9a
[INFO] validating manifest of machisuji/cardboard on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of machisuji/cardboard on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing machisuji/cardboard
[INFO] finished frobbing machisuji/cardboard
[INFO] frobbed toml for machisuji/cardboard written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/machisuji/cardboard/Cargo.toml
[INFO] started frobbing machisuji/cardboard
[INFO] finished frobbing machisuji/cardboard
[INFO] frobbed toml for machisuji/cardboard written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/machisuji/cardboard/Cargo.toml
[INFO] crate machisuji/cardboard already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking machisuji/cardboard against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-1/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/machisuji/cardboard:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 63e61ca071723d62c624a37287c5d9620bc8af6b8c129915816ca7b74873db0f
[INFO] running `"docker" "start" "-a" "63e61ca071723d62c624a37287c5d9620bc8af6b8c129915816ca7b74873db0f"`
[INFO] [stderr]    Compiling openssl v0.9.2
[INFO] [stderr]     Checking webbrowser v0.1.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]     Checking filetime v0.1.10
[INFO] [stderr]     Checking inotify v0.2.3
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling openssl-sys v0.9.2
[INFO] [stderr]    Compiling cmake v0.1.18
[INFO] [stderr]    Compiling curl-sys v0.3.4
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]    Compiling hoedown v5.0.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking clap v2.19.0
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]    Compiling libssh2-sys v0.2.4
[INFO] [stderr]    Compiling libgit2-sys v0.6.4
[INFO] [stderr]     Checking miow v0.1.4
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]     Checking hyper v0.9.13
[INFO] [stderr]     Checking handlebars v0.23.0
[INFO] [stderr]     Checking phf v0.7.20
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]    Compiling mime_guess v1.8.1
[INFO] [stderr]     Checking notify v3.0.1
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-d4f1ede2e6fd0f57/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" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55d7d8876a6b - backtrace::backtrace::libunwind::trace::h399a7a5a1c92b2d8
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55d7d8876a6b - backtrace::backtrace::trace_unsynchronized::h76e29b9231dd0873
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55d7d8876a6b - std::sys_common::backtrace::_print::hb092bf553e068953
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55d7d8876a6b - std::sys_common::backtrace::print::h3407b08071f3f520
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55d7d8876a6b - std::panicking::default_hook::{{closure}}::hc3b8cf51c83ab26e
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55d7d8876747 - std::panicking::default_hook::h54ef93848f2476c8
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55d7d8877130 - std::panicking::rust_panic_with_hook::hf0df85aa51810823
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55d7d8876cb2 - std::panicking::continue_panic_fmt::hd822862a3dda0081
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55d7d8876b96 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55d7d888b89d - core::panicking::panic_fmt::h569fafe348e0c6f0
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55d7d8869f68 - core::result::unwrap_failed::h15894a9f81a073a3
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x55d7d8837bac - core::result::Result<T,E>::unwrap::h59b72a4baa01e4f9
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x55d7d883adf5 - build_script_gen_mime_types::main::h1af96015cfc26e9c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.1/src/gen_mime_types.rs:22
[INFO] [stderr]   13:     0x55d7d8861660 - std::rt::lang_start::{{closure}}::h85407fcd9b8ccb2b
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55d7d8876b83 - std::rt::lang_start_internal::{{closure}}::he78638434283b545
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55d7d8876b83 - std::panicking::try::do_call::h355c93ec0a462271
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x55d7d8878aca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x55d7d887763d - std::panicking::try::h3918ed6cf08237ff
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x55d7d887763d - std::panic::catch_unwind::h8b2e693598ba7028
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x55d7d887763d - std::rt::lang_start_internal::h78590588d24f24ba
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55d7d8861639 - std::rt::lang_start::hc7d973e0b8945875
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55d7d883c42a - main
[INFO] [stderr]   22:     0x7f748d05a2e1 - __libc_start_main
[INFO] [stderr]   23:     0x55d7d881683a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "63e61ca071723d62c624a37287c5d9620bc8af6b8c129915816ca7b74873db0f"`
[INFO] running `"docker" "rm" "-f" "63e61ca071723d62c624a37287c5d9620bc8af6b8c129915816ca7b74873db0f"`
[INFO] [stdout] 63e61ca071723d62c624a37287c5d9620bc8af6b8c129915816ca7b74873db0f