[INFO] updating cached repository https://github.com/Giels/topic [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] 403ff1f88beb708f74965f40fd4cbc9184081bbc [INFO] testing Giels/topic against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGiels%2Ftopic" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Giels/topic on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Giels/topic [INFO] finished tweaking git repo https://github.com/Giels/topic [INFO] tweaked toml for git repo https://github.com/Giels/topic written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/Giels/topic already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3eaf98c6e1dc73d46823c2f7c6a8c83da67f39764980d18e4cf91fee15e2baf9 [INFO] running `"docker" "start" "-a" "3eaf98c6e1dc73d46823c2f7c6a8c83da67f39764980d18e4cf91fee15e2baf9"` [INFO] [stderr] Compiling safemem v0.2.0 [INFO] [stderr] Compiling num-traits v0.2.0 [INFO] [stderr] Compiling matches v0.1.6 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling constant_time_eq v0.1.3 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling modifier v0.1.0 [INFO] [stderr] Compiling fallible-iterator v0.1.4 [INFO] [stderr] Compiling hex v0.2.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling route-recognizer v0.1.12 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling socket2 v0.3.1 [INFO] [stderr] Compiling toml v0.4.5 [INFO] [stderr] Compiling hoedown v6.0.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling base64 v0.9.0 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling twoway v0.1.7 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling r2d2 v0.8.2 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling mio v0.6.13 [INFO] [stderr] Compiling mustache v0.9.0 [INFO] [stderr] Compiling tokio-io v0.1.5 [INFO] [stderr] Compiling buf_redux v0.6.3 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling idna v0.1.4 [INFO] [stderr] Compiling stringprep v0.1.2 [INFO] [stderr] Compiling mime v0.3.5 [INFO] [stderr] Compiling regex v0.2.6 [INFO] [stderr] Compiling plugin v0.2.6 [INFO] [stderr] Compiling digest v0.7.2 [INFO] [stderr] Compiling crypto-mac v0.5.2 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-complex v0.1.42 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling sha2 v0.7.0 [INFO] [stderr] Compiling hmac v0.5.0 [INFO] [stderr] Compiling serde_json v1.0.9 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling tokio-core v0.1.12 [INFO] [stderr] Compiling num-bigint v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling postgres-protocol v0.3.2 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.3 [INFO] [stderr] Compiling url v1.6.0 [INFO] [stderr] Compiling tokio-proto v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Compiling num-rational v0.1.42 [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-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | 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: 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/rustwide/target/debug/build/mime_guess-0555a4b37194d549/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-1.8.3/src/gen_mime_types.rs:22:38 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5566cd58b764 - backtrace::backtrace::libunwind::trace::h61666fa4b9834a45 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5566cd58b764 - backtrace::backtrace::trace_unsynchronized::h01d3725fb5da8653 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5566cd58b764 - std::sys_common::backtrace::_print_fmt::h5c7c4751bc296f90 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5566cd58b764 - ::fmt::h7729313ad2d729c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5566cd5a9cec - core::fmt::write::hb0049f6c12bdaffc [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x5566cd589f83 - std::io::Write::write_fmt::hfb486fa6ccb90f14 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x5566cd58dd05 - std::sys_common::backtrace::_print::ha087cac92e84a414 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5566cd58dd05 - std::sys_common::backtrace::print::h6b013d3bfe6cbcb8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5566cd58dd05 - std::panicking::default_hook::{{closure}}::h016d7de02def2736 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5566cd58da42 - std::panicking::default_hook::h9386f7e484840463 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x5566cd58e312 - std::panicking::rust_panic_with_hook::h3846eb1b2e5a9312 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x5566cd58defb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x5566cd5a90d1 - core::panicking::panic_fmt::hc5953a7331f9805c [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x5566cd5a8ef3 - core::option::expect_none_failed::hf2c575a7b931ce1f [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x5566cd572aab - core::result::Result::unwrap::h7be26d5d79b694c4 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x5566cd55533f - build_script_gen_mime_types::main::h0bbfa0172e6de4d8 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22 [INFO] [stderr] 16: 0x5566cd55346b - std::rt::lang_start::{{closure}}::hea1ba08670ec2ae9 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5566cd58e758 - std::rt::lang_start_internal::{{closure}}::h76043ceda1ce1596 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5566cd58e758 - std::panicking::try::do_call::hb3d81a78fdf1ed63 [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x5566cd58e758 - std::panicking::try::he8d7c35962fb5d7e [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x5566cd58e758 - std::panic::catch_unwind::h643ad9bfe058a347 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x5566cd58e758 - std::rt::lang_start_internal::h4b0f023744ce345f [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x5566cd553447 - std::rt::lang_start::h7b4d8e520d8453e5 [INFO] [stderr] at /rustc/41997647ba6a77908f6ef64401414feb00bccf16/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x5566cd55689a - main [INFO] [stderr] 24: 0x7f517c729b97 - __libc_start_main [INFO] [stderr] 25: 0x5566cd5371fa - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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: build failed [INFO] running `"docker" "inspect" "3eaf98c6e1dc73d46823c2f7c6a8c83da67f39764980d18e4cf91fee15e2baf9"` [INFO] running `"docker" "rm" "-f" "3eaf98c6e1dc73d46823c2f7c6a8c83da67f39764980d18e4cf91fee15e2baf9"` [INFO] [stdout] 3eaf98c6e1dc73d46823c2f7c6a8c83da67f39764980d18e4cf91fee15e2baf9