[INFO] updating cached repository HustonMmmavr/rust_db
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HustonMmmavr/rust_db
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HustonMmmavr/rust_db" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/HustonMmmavr/rust_db"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/HustonMmmavr/rust_db'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HustonMmmavr/rust_db" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/HustonMmmavr/rust_db"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/HustonMmmavr/rust_db'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d0693030dc61343240f8ae49e334db5bee95966
[INFO] sha for GitHub repo HustonMmmavr/rust_db: 6d0693030dc61343240f8ae49e334db5bee95966
[INFO] validating manifest of HustonMmmavr/rust_db on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of HustonMmmavr/rust_db on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing HustonMmmavr/rust_db
[INFO] finished frobbing HustonMmmavr/rust_db
[INFO] frobbed toml for HustonMmmavr/rust_db written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/HustonMmmavr/rust_db/Cargo.toml
[INFO] started frobbing HustonMmmavr/rust_db
[INFO] finished frobbing HustonMmmavr/rust_db
[INFO] frobbed toml for HustonMmmavr/rust_db written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/HustonMmmavr/rust_db/Cargo.toml
[INFO] crate HustonMmmavr/rust_db already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking HustonMmmavr/rust_db against try#8ec8125bea94852768b56958f05da47666c21ab0 for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/try#8ec8125bea94852768b56958f05da47666c21ab0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/HustonMmmavr/rust_db:/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" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ce6f841a1fc93752293fd91de387d1b86a7be46ef10e7d7b68174c4e43ed7cf9
[INFO] running `"docker" "start" "-a" "ce6f841a1fc93752293fd91de387d1b86a7be46ef10e7d7b68174c4e43ed7cf9"`
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking buf_redux v0.6.1
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking postgres-protocol v0.3.1
[INFO] [stderr]    Compiling mime_guess v1.8.3
[INFO] [stderr]     Checking hyper-router v0.3.0
[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-edbd25f2e5b381b6/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:     0x562783dbdd6b - backtrace::backtrace::libunwind::trace::h65f453dfe0027df1
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x562783dbdd6b - backtrace::backtrace::trace_unsynchronized::hcf757005c6accfed
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562783dbdd6b - std::sys_common::backtrace::_print::h3230a9d2592a2eba
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x562783dbdd6b - std::sys_common::backtrace::print::h19f579688627ee7e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x562783dbdd6b - std::panicking::default_hook::{{closure}}::h472b43365b331815
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x562783dbda47 - std::panicking::default_hook::h0857821e5ff5a369
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x562783dbe430 - std::panicking::rust_panic_with_hook::ha9d31dc2aa8d852d
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x562783dbdfb2 - std::panicking::continue_panic_fmt::hf0afac1d5f249c91
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x562783dbde96 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x562783dd2b9d - core::panicking::panic_fmt::h0c0cb0551736f849
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x562783db0cb8 - core::result::unwrap_failed::h1751bd7c6e6b2330
[INFO] [stderr]                                at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x562783d8005c - core::result::Result<T,E>::unwrap::hc76e675e3f47f3cc
[INFO] [stderr]                                at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x562783d88e35 - build_script_gen_mime_types::main::h0180134dd7c3139e
[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:     0x562783da7830 - std::rt::lang_start::{{closure}}::h6690bc1f2bf91852
[INFO] [stderr]                                at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x562783dbde83 - std::rt::lang_start_internal::{{closure}}::h358a76ea39d8997f
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x562783dbde83 - std::panicking::try::do_call::h1fdcc0a978075552
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   16:     0x562783dbfdca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   17:     0x562783dbe93d - std::panicking::try::hd48ddd0547e22f90
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   18:     0x562783dbe93d - std::panic::catch_unwind::heb66ca2bf3960f9b
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x562783dbe93d - std::rt::lang_start_internal::h7208f2146229fed7
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x562783da7809 - std::rt::lang_start::hd994888b178f3dd7
[INFO] [stderr]                                at /rustc/8ec8125bea94852768b56958f05da47666c21ab0/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x562783d8a46a - main
[INFO] [stderr]   22:     0x7f4de00eb2e1 - __libc_start_main
[INFO] [stderr]   23:     0x562783d5d4ba - _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" "ce6f841a1fc93752293fd91de387d1b86a7be46ef10e7d7b68174c4e43ed7cf9"`
[INFO] running `"docker" "rm" "-f" "ce6f841a1fc93752293fd91de387d1b86a7be46ef10e7d7b68174c4e43ed7cf9"`
[INFO] [stdout] ce6f841a1fc93752293fd91de387d1b86a7be46ef10e7d7b68174c4e43ed7cf9