[INFO] updating cached repository mattdeboard/rs-pugbot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mattdeboard/rs-pugbot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mattdeboard/rs-pugbot" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mattdeboard/rs-pugbot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mattdeboard/rs-pugbot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mattdeboard/rs-pugbot" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattdeboard/rs-pugbot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattdeboard/rs-pugbot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 93e44bf80e733bdc2f110c0e73baf2b76c1b819e
[INFO] sha for GitHub repo mattdeboard/rs-pugbot: 93e44bf80e733bdc2f110c0e73baf2b76c1b819e
[INFO] validating manifest of mattdeboard/rs-pugbot on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mattdeboard/rs-pugbot on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mattdeboard/rs-pugbot
[INFO] finished frobbing mattdeboard/rs-pugbot
[INFO] frobbed toml for mattdeboard/rs-pugbot written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mattdeboard/rs-pugbot/Cargo.toml
[INFO] started frobbing mattdeboard/rs-pugbot
[INFO] finished frobbing mattdeboard/rs-pugbot
[INFO] frobbed toml for mattdeboard/rs-pugbot written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mattdeboard/rs-pugbot/Cargo.toml
[INFO] crate mattdeboard/rs-pugbot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mattdeboard/rs-pugbot against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-2/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mattdeboard/rs-pugbot:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d407815e9dbaf2210b8c812db56e47970d8702b2ca8f00e6a0bf2760b1b2399c
[INFO] running `"docker" "start" "-a" "d407815e9dbaf2210b8c812db56e47970d8702b2ca8f00e6a0bf2760b1b2399c"`
[INFO] [stderr] warning: unused manifest key: package.features
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]     Checking siphasher v0.2.2
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking glicko2 v0.3.0
[INFO] [stderr]     Checking kankyo v0.1.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking num-complex v0.1.42
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.26
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking parking_lot_core v0.2.11
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking r2d2 v0.8.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking parking_lot v0.5.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking remove_dir_all v0.3.0
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tempdir v0.3.6
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking bigdecimal v0.0.10
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling mime_guess v1.8.3
[INFO] [stderr]    Compiling diesel_derives v1.1.0
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]     Checking evzht9h3nznqzwl v0.0.3
[INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mime_guess-0efb51a55a098138/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:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564e65ed373b - backtrace::backtrace::libunwind::trace::h5d27dcba3b250cfe
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x564e65ed373b - backtrace::backtrace::trace_unsynchronized::h239341a8b1cadbab
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564e65ed373b - std::sys_common::backtrace::_print::hb0e5dd39180a1838
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x564e65ed373b - std::sys_common::backtrace::print::h9b385b2285f057b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x564e65ed373b - std::panicking::default_hook::{{closure}}::he3310a15a78966b4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x564e65ed3416 - std::panicking::default_hook::h2986f418df62eff4
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x564e65ed3dfd - std::panicking::rust_panic_with_hook::h15065386631d2a9d
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x564e65ed3982 - std::panicking::continue_panic_fmt::h5e7761875fda3864
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x564e65ed3866 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x564e65ee859d - core::panicking::panic_fmt::ha57541b4d360b196
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x564e65ee8697 - core::result::unwrap_failed::h30a7262287ea7c1e
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x564e65e99880 - core::result::Result<T,E>::unwrap::h524c65833d1eb247
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x564e65e9b995 - build_script_gen_mime_types::main::h0028703224703986
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22
[INFO] [stderr]   13:     0x564e65e86800 - std::rt::lang_start::{{closure}}::h95d94ca46fc117cc
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x564e65ed3853 - std::rt::lang_start_internal::{{closure}}::hbf4603a1e6e1424d
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x564e65ed3853 - std::panicking::try::do_call::h7642e0de797eeae0
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x564e65ed594a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x564e65ed430d - std::panicking::try::h17f145530f8b5a3f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x564e65ed430d - std::panic::catch_unwind::hcee1b9b07ea0f9dc
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x564e65ed430d - std::rt::lang_start_internal::h82d44298f58b2cfd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x564e65e867d9 - std::rt::lang_start::hccc04984c0f6e5bd
[INFO] [stderr]                                at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x564e65e9cf1a - main
[INFO] [stderr]   22:     0x7f8ef71582e1 - __libc_start_main
[INFO] [stderr]   23:     0x564e65e721fa - _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" "d407815e9dbaf2210b8c812db56e47970d8702b2ca8f00e6a0bf2760b1b2399c"`
[INFO] running `"docker" "rm" "-f" "d407815e9dbaf2210b8c812db56e47970d8702b2ca8f00e6a0bf2760b1b2399c"`
[INFO] [stdout] d407815e9dbaf2210b8c812db56e47970d8702b2ca8f00e6a0bf2760b1b2399c