[INFO] updating cached repository https://github.com/eeeeeta/mx-xkcd-ng
[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] 24be813f73a58b901d902d954f7ce09685571eff
[INFO] checking eeeeeta/mx-xkcd-ng against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeeeeta%2Fmx-xkcd-ng" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eeeeeta/mx-xkcd-ng on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/eeeeeta/mx-xkcd-ng
[INFO] finished tweaking git repo https://github.com/eeeeeta/mx-xkcd-ng
[INFO] tweaked toml for git repo https://github.com/eeeeeta/mx-xkcd-ng written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/eeeeeta/mx-xkcd-ng already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 34b0a9c92dff716384a76ce583f0bd958f62a96ba47db47a4cb06a0eab262d03
[INFO] running `"docker" "start" "-a" "34b0a9c92dff716384a76ce583f0bd958f62a96ba47db47a4cb06a0eab262d03"`
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling serde v1.0.63
[INFO] [stderr]    Compiling backtrace-sys v0.1.22
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]    Compiling openssl-sys v0.9.31
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr] error: failed to run custom build command for `openssl v0.9.24`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/openssl-8939c3f6d36f4486/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Unable to detect OpenSSL version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-0.9.24/build.rs:16:14
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x561fa43cf194 - backtrace::backtrace::libunwind::trace::h9e598fcb10d5c4f5
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x561fa43cf194 - backtrace::backtrace::trace_unsynchronized::hbfbd58fbb4a2603e
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x561fa43cf194 - std::sys_common::backtrace::_print_fmt::hacb596a8013761df
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x561fa43cf194 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha1ba73c9085723eb
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x561fa43ecb0c - core::fmt::write::hb4ac1e8a8c800611
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x561fa43cd6e3 - std::io::Write::write_fmt::ha413e6029f4d499f
[INFO] [stderr]                                at src/libstd/io/mod.rs:1504
[INFO] [stderr]    6:     0x561fa43d1735 - std::sys_common::backtrace::_print::h5afa8b3832cd03b8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x561fa43d1735 - std::sys_common::backtrace::print::h49229e3486b70f83
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x561fa43d1735 - std::panicking::default_hook::{{closure}}::hcfefd5f4943f3aa9
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x561fa43d1472 - std::panicking::default_hook::h4c2b6d8d034c53de
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x561fa43d1d42 - std::panicking::rust_panic_with_hook::hf8cee70c0118d2cc
[INFO] [stderr]                                at src/libstd/panicking.rs:511
[INFO] [stderr]   11:     0x561fa43c575d - std::panicking::begin_panic::hc9c6a3e14d146bb4
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/panicking.rs:438
[INFO] [stderr]   12:     0x561fa43c62e1 - build_script_build::main::h54182cd5172ab52f
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/openssl-0.9.24/build.rs:16
[INFO] [stderr]   13:     0x561fa43c527b - std::rt::lang_start::{{closure}}::heafce5108e0c4f8d
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   14:     0x561fa43d2188 - std::rt::lang_start_internal::{{closure}}::h4c4631d379953dd0
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   15:     0x561fa43d2188 - std::panicking::try::do_call::hc26b3db2421dedbb
[INFO] [stderr]                                at src/libstd/panicking.rs:331
[INFO] [stderr]   16:     0x561fa43d2188 - std::panicking::try::h4da6835c8705b8a7
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   17:     0x561fa43d2188 - std::panic::catch_unwind::h02aff520273fa6b1
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   18:     0x561fa43d2188 - std::rt::lang_start_internal::he0572ca212cb5ef4
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   19:     0x561fa43c5257 - std::rt::lang_start::hfee8867ebd85cab5
[INFO] [stderr]                                at /rustc/209b2be09fcaff937480d1fbbe8b31646e361c7a/src/libstd/rt.rs:67
[INFO] [stderr]   20:     0x561fa43c6a3a - main
[INFO] [stderr]   21:     0x7f720300ab97 - __libc_start_main
[INFO] [stderr]   22:     0x561fa43c277a - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.4/src/unstable.rs:284:13
[INFO] [stderr]     |
[INFO] [stderr] 284 |     Nightly(proc_macro::SourceFile, FileName),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stderr]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.4/src/unstable.rs:289:20
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fn nightly(sf: proc_macro::SourceFile) -> Self {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stderr]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.4/src/unstable.rs:290:45
[INFO] [stderr]     |
[INFO] [stderr] 290 |         let filename = stable::file_name(sf.path().to_string());
[INFO] [stderr]     |                                             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stderr]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `to_string` found for struct `std::path::PathBuf` in the current scope
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.4/src/unstable.rs:290:52
[INFO] [stderr]      |
[INFO] [stderr] 290  |           let filename = stable::file_name(sf.path().to_string());
[INFO] [stderr]      |                                                      ^^^^^^^^^ help: there is an associated function with a similar name: `to_str`
[INFO] [stderr]      |
[INFO] [stderr]      = note: the method `to_string` exists but the following trait bounds were not satisfied:
[INFO] [stderr]              `std::path::PathBuf: std::fmt::Display`
[INFO] [stderr]              which is required by `std::path::PathBuf: std::string::ToString`
[INFO] [stderr]              `std::path::Path: std::fmt::Display`
[INFO] [stderr]              which is required by `std::path::Path: std::string::ToString`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.4/src/unstable.rs:304:44
[INFO] [stderr]     |
[INFO] [stderr] 304 |             SourceFile::Nightly(a, _) => a.is_real(),
[INFO] [stderr]     |                                            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stderr]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_def_site'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.4/src/unstable.rs:347:27
[INFO] [stderr]     |
[INFO] [stderr] 347 |             Span::Nightly(proc_macro::Span::def_site())
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #54724 <https://github.com/rust-lang/rust/issues/54724> for more information
[INFO] [stderr]     = help: add `#![feature(proc_macro_def_site)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.4/src/unstable.rs:355:69
[INFO] [stderr]     |
[INFO] [stderr] 355 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.resolved_at(b)),
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stderr]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.4/src/unstable.rs:363:69
[INFO] [stderr]     |
[INFO] [stderr] 363 |             (Span::Nightly(a), Span::Nightly(b)) => Span::Nightly(a.located_at(b)),
[INFO] [stderr]     |                                                                     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stderr]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_span'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.4/src/unstable.rs:424:55
[INFO] [stderr]     |
[INFO] [stderr] 424 |             (Span::Nightly(a), Span::Nightly(b)) => a.eq(b),
[INFO] [stderr]     |                                                       ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #54725 <https://github.com/rust-lang/rust/issues/54725> for more information
[INFO] [stderr]     = help: add `#![feature(proc_macro_span)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'proc_macro_raw_ident'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.4/src/unstable.rs:475:48
[INFO] [stderr]     |
[INFO] [stderr] 475 |             Span::Nightly(s) => Ident::Nightly(proc_macro::Ident::new_raw(string, s)),
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #54723 <https://github.com/rust-lang/rust/issues/54723> for more information
[INFO] [stderr]     = help: add `#![feature(proc_macro_raw_ident)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `proc-macro2`.
[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" "34b0a9c92dff716384a76ce583f0bd958f62a96ba47db47a4cb06a0eab262d03"`
[INFO] running `"docker" "rm" "-f" "34b0a9c92dff716384a76ce583f0bd958f62a96ba47db47a4cb06a0eab262d03"`
[INFO] [stdout] 34b0a9c92dff716384a76ce583f0bd958f62a96ba47db47a4cb06a0eab262d03
