[INFO] fetching crate mdbook-latex 0.1.24...
[INFO] checking mdbook-latex-0.1.24 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate mdbook-latex 0.1.24 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mdbook-latex 0.1.24 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-latex 0.1.24
[INFO] finished tweaking crates.io crate mdbook-latex 0.1.24
[INFO] tweaked toml for crates.io crate mdbook-latex 0.1.24 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 505121016d44c50e1b54396634e633b81154c49412bdfc315064ae97599a6126
[INFO] running `Command { std: "docker" "start" "-a" "505121016d44c50e1b54396634e633b81154c49412bdfc315064ae97599a6126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505121016d44c50e1b54396634e633b81154c49412bdfc315064ae97599a6126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505121016d44c50e1b54396634e633b81154c49412bdfc315064ae97599a6126", kill_on_drop: false }`
[INFO] [stdout] 505121016d44c50e1b54396634e633b81154c49412bdfc315064ae97599a6126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94216baf16ec80e7d669635d4ca7f6bcbc3a52b0efba58b3f57c4c7d9e547f87
[INFO] running `Command { std: "docker" "start" "-a" "94216baf16ec80e7d669635d4ca7f6bcbc3a52b0efba58b3f57c4c7d9e547f87", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tectonic v0.1.17
[INFO] [stderr] error: failed to run custom build command for `tectonic v0.1.17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/tectonic-4f0087a21a6ad8ca/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: CargoMetadata("/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tectonic-0.1.17/Cargo.toml", Metadata(Output { status: ExitStatus(ExitStatus(25856)), stdout: "", stderr: " Downloading crates ...\nwarning: spurious network error (2 tries remaining): [6] Couldn\'t resolve host name (Could not resolve host: crates.io)\nwarning: spurious network error (2 tries remaining): [6] Couldn\'t resolve host name (Could not resolve host: crates.io)\nwarning: spurious network error (1 tries remaining): [6] Couldn\'t resolve host name (Could not resolve host: crates.io)\nwarning: spurious network error (1 tries remaining): [6] Couldn\'t resolve host name (Could not resolve host: crates.io)\nerror: failed to download from `https://crates.io/api/v1/crates/tectonic_cfg_support/0.1.0/download`\n\nCaused by:\n  [6] Couldn\'t resolve host name (Could not resolve host: crates.io)\n" }))', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tectonic-0.1.17/build.rs:193:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5609475ea5b0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x5609475ea5b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5609475ea5b0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5609475ea5b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x560947612d0c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x5609475e5de2 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x5609475ed345 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5609475ed345 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5609475ed345 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5609475ecfe8 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x5609475edae1 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x5609475ed627 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x5609475eaa4c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5609475ed589 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x5609476109c1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5609476107e3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x560946f945da - core::result::Result<T,E>::unwrap::h53969d3f0c81e70a
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x56094700bcab - build_script_build::main::he187bb13fe7e1569
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tectonic-0.1.17/build.rs:192:5
[INFO] [stderr]     18:     0x560946f9f89b - core::ops::function::FnOnce::call_once::h0b478e9d32ff2144
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5609470190ae - std::sys_common::backtrace::__rust_begin_short_backtrace::hefdbe22759583510
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x560946f9ef21 - std::rt::lang_start::{{closure}}::h0185b9e332b0ef59
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x5609475edff7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5609475edff7 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:381:40
[INFO] [stderr]     23:     0x5609475edff7 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panicking.rs:345:19
[INFO] [stderr]     24:     0x5609475edff7 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x5609475edff7 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x560946f9eef7 - std::rt::lang_start::h130306cede3b667a
[INFO] [stderr]                                  at /rustc/7f5a42b073dc2bee2aa625052eb066ee07072048/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x56094700e40a - main
[INFO] [stderr]     28:     0x7f294bf020b3 - __libc_start_main
[INFO] [stderr]     29:     0x560946eb50de - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "94216baf16ec80e7d669635d4ca7f6bcbc3a52b0efba58b3f57c4c7d9e547f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94216baf16ec80e7d669635d4ca7f6bcbc3a52b0efba58b3f57c4c7d9e547f87", kill_on_drop: false }`
[INFO] [stdout] 94216baf16ec80e7d669635d4ca7f6bcbc3a52b0efba58b3f57c4c7d9e547f87