[INFO] cloning repository https://github.com/greenpdx/mongoful-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greenpdx/mongoful-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenpdx%2Fmongoful-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenpdx%2Fmongoful-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1ac53f0534b6540a019cef53bbb726dd2151650f
[INFO] checking greenpdx/mongoful-rust against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenpdx%2Fmongoful-rust" "/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/greenpdx/mongoful-rust on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/greenpdx/mongoful-rust
[INFO] finished tweaking git repo https://github.com/greenpdx/mongoful-rust
[INFO] tweaked toml for git repo https://github.com/greenpdx/mongoful-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/greenpdx/mongoful-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mongodb v0.3.2
[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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19ed6cc15ef978d452cd7f3c8632ea138ac33df4529dca304359841f83db5890
[INFO] running `"docker" "start" "-a" "19ed6cc15ef978d452cd7f3c8632ea138ac33df4529dca304359841f83db5890"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling gcc v0.3.52
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking percent-encoding v1.0.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking safemem v0.1.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking data-encoding v1.2.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking bufstream v0.1.3
[INFO] [stderr]     Checking scan_fmt v0.1.1
[INFO] [stderr]     Checking separator v0.3.1
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling libsodium-sys v0.0.15
[INFO] [stderr]     Checking base64 v0.4.2
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking semver v0.7.0
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking nom v3.2.0
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]     Checking twoway v0.1.3
[INFO] [stderr]     Checking buf_redux v0.6.1
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking mime v0.3.3
[INFO] [stderr]    Compiling mime_guess v1.8.2
[INFO] [stderr]    Compiling rustful v0.9.0 (https://github.com/Ogeon/rustful.git#ddb29bee)
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 251 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[INFO] [stderr] error: could not compile `url`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-ab04ab93dcdddab1/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-1.8.2/src/gen_mime_types.rs:22:38
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55bcda70ed44 - backtrace::backtrace::libunwind::trace::h98d3444f0ad70429
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55bcda70ed44 - backtrace::backtrace::trace_unsynchronized::h37f821d20053e6cd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55bcda70ed44 - std::sys_common::backtrace::_print_fmt::hff04dc7e915a3c85
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55bcda70ed44 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h61891c439a79f00d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55bcda72cd9c - core::fmt::write::hdf236390fbd68d3d
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55bcda70d633 - std::io::Write::write_fmt::h55f7fe3633ce766f
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x55bcda7112e5 - std::sys_common::backtrace::_print::h78339381acb79e1b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55bcda7112e5 - std::sys_common::backtrace::print::h525aa9f9405c80a1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55bcda7112e5 - std::panicking::default_hook::{{closure}}::hace90b8a218287e6
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55bcda711037 - std::panicking::default_hook::h160b6beccc49b335
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55bcda7118d8 - std::panicking::rust_panic_with_hook::h36f6804eea3f553a
[INFO] [stderr]                                at src/libstd/panicking.rs:486
[INFO] [stderr]   11:     0x55bcda7114db - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:388
[INFO] [stderr]   12:     0x55bcda72c181 - core::panicking::panic_fmt::hd101a87121fa411f
[INFO] [stderr]                                at src/libcore/panicking.rs:101
[INFO] [stderr]   13:     0x55bcda72bfa3 - core::option::expect_none_failed::h4f0e89faa3179bf7
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x55bcda6f6c6b - core::result::Result<T,E>::unwrap::h77a26440d00ae9dc
[INFO] [stderr]                                at /rustc/8a749131e7beb72f6edacefd2bdcbed3d67b2112/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x55bcda6d8a11 - build_script_gen_mime_types::main::h7ed1762557b3d711
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.2/src/gen_mime_types.rs:22
[INFO] [stderr]   16:     0x55bcda6d6e4b - std::rt::lang_start::{{closure}}::h118c108922eb7622
[INFO] [stderr]                                at /rustc/8a749131e7beb72f6edacefd2bdcbed3d67b2112/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55bcda711cc9 - std::rt::lang_start_internal::{{closure}}::h7c7701ace7781644
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55bcda711cc9 - std::panicking::try::do_call::h25761ef781a3cec3
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   19:     0x55bcda711cc9 - std::panicking::try::hc2ed2ebc2df17cc1
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55bcda711cc9 - std::panic::catch_unwind::h548ef5f09b7c73ca
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55bcda711cc9 - std::rt::lang_start_internal::h9a98dc8e2c22711e
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55bcda6d6e27 - std::rt::lang_start::h0beb2f5e330b14ea
[INFO] [stderr]                                at /rustc/8a749131e7beb72f6edacefd2bdcbed3d67b2112/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55bcda6d9f1a - main
[INFO] [stderr]   24:     0x7f42aaf000b3 - __libc_start_main
[INFO] [stderr]   25:     0x55bcda6c317e - _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" "19ed6cc15ef978d452cd7f3c8632ea138ac33df4529dca304359841f83db5890"`
[INFO] running `"docker" "rm" "-f" "19ed6cc15ef978d452cd7f3c8632ea138ac33df4529dca304359841f83db5890"`
[INFO] [stdout] 19ed6cc15ef978d452cd7f3c8632ea138ac33df4529dca304359841f83db5890