[INFO] fetching crate lpn 0.1.2...
[INFO] checking lpn-0.1.2 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate lpn 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lpn 0.1.2 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lpn 0.1.2
[INFO] finished tweaking crates.io crate lpn 0.1.2
[INFO] tweaked toml for crates.io crate lpn 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate lpn 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded m4ri-rust v0.3.2
[INFO] [stderr]   Downloaded factorial v0.1.1
[INFO] [stderr]   Downloaded binomial-iter v0.1.0
[INFO] [stderr]   Downloaded vob v2.0.3
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 273db99580e7df5e59602f8d0ccdfcc19487b5ff2fa5f9b1e33dccd35c8e65b1
[INFO] running `Command { std: "docker" "start" "-a" "273db99580e7df5e59602f8d0ccdfcc19487b5ff2fa5f9b1e33dccd35c8e65b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "273db99580e7df5e59602f8d0ccdfcc19487b5ff2fa5f9b1e33dccd35c8e65b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273db99580e7df5e59602f8d0ccdfcc19487b5ff2fa5f9b1e33dccd35c8e65b1", kill_on_drop: false }`
[INFO] [stdout] 273db99580e7df5e59602f8d0ccdfcc19487b5ff2fa5f9b1e33dccd35c8e65b1
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 5908f9bd7fc08b9985720f7b3f0e103331571dfb0e57eb5b0dcf72cd362b7a18
[INFO] running `Command { std: "docker" "start" "-a" "5908f9bd7fc08b9985720f7b3f0e103331571dfb0e57eb5b0dcf72cd362b7a18", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling m4ri-sys v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking binomial-iter v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking factorial v0.1.1
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling vob v2.0.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Building m4ri lib
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `m4ri-sys v0.3.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/m4ri-sys-940a2342ae432753/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Making M4RI
[INFO] [stderr]   PWD: "/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/m4ri-sys-0.3.2"
[INFO] [stderr]   cargo:warning=Building m4ri lib
[INFO] [stderr]   Configuring build!
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   autom4te: cannot create autom4te.cache: No such file or directory
[INFO] [stderr]   aclocal: error: echo failed with exit status: 1
[INFO] [stderr]   autoreconf: aclocal failed with exit status: 1
[INFO] [stderr]   thread 'main' panicked at 'Autoconf failed!', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/m4ri-sys-0.3.2/build.rs:19:13
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56460ea82530 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x56460ea82530 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x56460ea82530 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x56460ea82530 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3cd15d7003dec37a
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x56460ea9f64c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x56460ea808d7 - std::io::Write::write_fmt::hac61caff894c35ae
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x56460ea84780 - std::sys_common::backtrace::_print::haa2f390fb7957e3e
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x56460ea84780 - std::sys_common::backtrace::print::h48c7cbbad9013bb1
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x56460ea84780 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x56460ea844cc - std::panicking::default_hook::h2f00c78800d98e4c
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x56460ea84de3 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x56460ea6adf8 - std::panicking::begin_panic::{{closure}}::h0e755a5be18ec924
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x56460ea6bd68 - std::sys_common::backtrace::__rust_end_short_backtrace::hd8332afa78c0fd39
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x56460ea6ad23 - std::panicking::begin_panic::ha0cff983992ab58b
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x56460ea69147 - build_script_build::main::h59a596bb310ebcf8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/m4ri-sys-0.3.2/build.rs:19
[INFO] [stderr]     15:     0x56460ea6739b - core::ops::function::FnOnce::call_once::h3bab13cf4c37f572
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/core/src/ops/function.rs:227
[INFO] [stderr]     16:     0x56460ea6bd9e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3c49eb09f9420bdd
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     17:     0x56460ea6b491 - std::rt::lang_start::{{closure}}::h538c86d539281f4b
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/rt.rs:66
[INFO] [stderr]     18:     0x56460ea851e1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hecc21eb9018cc197
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/core/src/ops/function.rs:259
[INFO] [stderr]     19:     0x56460ea851e1 - std::panicking::try::do_call::h174ad655d084b5c7
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:381
[INFO] [stderr]     20:     0x56460ea851e1 - std::panicking::try::h479e6054ce28de10
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panicking.rs:345
[INFO] [stderr]     21:     0x56460ea851e1 - std::panic::catch_unwind::hb558ddea2b3e9c45
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/panic.rs:382
[INFO] [stderr]     22:     0x56460ea851e1 - std::rt::lang_start_internal::h163149047f0a8b61
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/rt.rs:51
[INFO] [stderr]     23:     0x56460ea6b467 - std::rt::lang_start::h3547551b42a85162
[INFO] [stderr]                                  at /rustc/72f88fc4e9458f89516a0b8b0868f3718aec5b47/library/std/src/rt.rs:65
[INFO] [stderr]     24:     0x56460ea694ea - main
[INFO] [stderr]     25:     0x7fe4c54b70b3 - __libc_start_main
[INFO] [stderr]     26:     0x56460ea640ae - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5908f9bd7fc08b9985720f7b3f0e103331571dfb0e57eb5b0dcf72cd362b7a18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5908f9bd7fc08b9985720f7b3f0e103331571dfb0e57eb5b0dcf72cd362b7a18", kill_on_drop: false }`
[INFO] [stdout] 5908f9bd7fc08b9985720f7b3f0e103331571dfb0e57eb5b0dcf72cd362b7a18
