[INFO] fetching crate libmodbus-rs 0.8.3...
[INFO] testing libmodbus-rs-0.8.3 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate libmodbus-rs 0.8.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libmodbus-rs 0.8.3 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate libmodbus-rs 0.8.3
[INFO] finished tweaking crates.io crate libmodbus-rs 0.8.3
[INFO] tweaked toml for crates.io crate libmodbus-rs 0.8.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v0.21.2
[INFO] [stderr]   Downloaded libloading v0.4.3
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded bindgen v0.31.3
[INFO] [stderr]   Downloaded libmodbus-sys v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 36b20963fb1f6783d7445378e9c6dfa22aea3ad0b76d3d0c73e051c3b1b755f8
[INFO] running `Command { std: "docker" "start" "-a" "36b20963fb1f6783d7445378e9c6dfa22aea3ad0b76d3d0c73e051c3b1b755f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36b20963fb1f6783d7445378e9c6dfa22aea3ad0b76d3d0c73e051c3b1b755f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b20963fb1f6783d7445378e9c6dfa22aea3ad0b76d3d0c73e051c3b1b755f8", kill_on_drop: false }`
[INFO] [stdout] 36b20963fb1f6783d7445378e9c6dfa22aea3ad0b76d3d0c73e051c3b1b755f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed352cf7b839c317556d5355b181b2039087e0d8a9ff6f6d118ebe5061b3c2c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ed352cf7b839c317556d5355b181b2039087e0d8a9ff6f6d118ebe5061b3c2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling bindgen v0.31.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling object v0.25.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling libmodbus-sys v0.8.0
[INFO] [stderr] error: failed to run custom build command for `libmodbus-sys v0.8.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libmodbus-sys-ace243c0734ba3a8/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[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 'Generating configure', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libmodbus-sys-0.8.0/build.rs:126:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x559a25afa860 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x559a25afa860 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized::<std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x559a25afa860 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x559a25afa860 - <std[77c0456e0eb29f0c]::sys_common::backtrace::_print::DisplayBacktrace as core[ee1ca6415511a9c4]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x559a25b1a22c - core[ee1ca6415511a9c4]::fmt::write
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x559a25af7875 - <std[77c0456e0eb29f0c]::sys::unix::stdio::Stderr as std[77c0456e0eb29f0c]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x559a25afce9b - std[77c0456e0eb29f0c]::sys_common::backtrace::_print
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x559a25afce9b - std[77c0456e0eb29f0c]::sys_common::backtrace::print
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x559a25afce9b - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x559a25afc971 - std[77c0456e0eb29f0c]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x559a25afd541 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x559a25adcf83 - std[77c0456e0eb29f0c]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x559a25adbc99 - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace::<std[77c0456e0eb29f0c]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x559a25adcef9 - std[77c0456e0eb29f0c]::panicking::begin_panic::<&str>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x559a25a8753c - build_script_build[5ea9fe17ccc4c148]::run_command
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libmodbus-sys-0.8.0/build.rs:126:5
[INFO] [stderr]     15:     0x559a25a86eaa - build_script_build[5ea9fe17ccc4c148]::main
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libmodbus-sys-0.8.0/build.rs:75:5
[INFO] [stderr]     16:     0x559a25a85c2b - <fn() as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     17:     0x559a25a8613e - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     18:     0x559a25a861c1 - std[77c0456e0eb29f0c]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:49:18
[INFO] [stderr]     19:     0x559a25afda39 - <&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     20:     0x559a25afda39 - std[77c0456e0eb29f0c]::panicking::try::do_call::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     21:     0x559a25afda39 - std[77c0456e0eb29f0c]::panicking::try::<i32, &dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     22:     0x559a25afda39 - std[77c0456e0eb29f0c]::panic::catch_unwind::<&dyn core[ee1ca6415511a9c4]::ops::function::Fn<(), Output = i32> + std[77c0456e0eb29f0c]::panic::RefUnwindSafe + core[ee1ca6415511a9c4]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:433:14
[INFO] [stderr]     23:     0x559a25afda39 - std[77c0456e0eb29f0c]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:34:21
[INFO] [stderr]     24:     0x559a25a861a0 - std[77c0456e0eb29f0c]::rt::lang_start::<()>
[INFO] [stderr]                                  at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/rt.rs:48:5
[INFO] [stderr]     25:     0x559a25a8755c - main
[INFO] [stderr]     26:     0x7fdbc05b80b3 - __libc_start_main
[INFO] [stderr]     27:     0x559a25a85a8e - _start
[INFO] [stderr]     28:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "0ed352cf7b839c317556d5355b181b2039087e0d8a9ff6f6d118ebe5061b3c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed352cf7b839c317556d5355b181b2039087e0d8a9ff6f6d118ebe5061b3c2c", kill_on_drop: false }`
[INFO] [stdout] 0ed352cf7b839c317556d5355b181b2039087e0d8a9ff6f6d118ebe5061b3c2c