[INFO] cloning repository https://github.com/umanwizard/fwm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umanwizard/fwm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumanwizard%2Ffwm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumanwizard%2Ffwm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed7a4cd8b80614dfd4f7bae37267f9a3925bae01
[INFO] checking umanwizard/fwm against be3da1e8c043bb6f1f335463d3b1335cdf50b03c for pr-162597
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumanwizard%2Ffwm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/umanwizard/fwm
[INFO] finished tweaking git repo https://github.com/umanwizard/fwm
[INFO] tweaked toml for git repo https://github.com/umanwizard/fwm written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/umanwizard/fwm on toolchain be3da1e8c043bb6f1f335463d3b1335cdf50b03c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/umanwizard/fwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timely_communication v0.12.0
[INFO] [stderr]   Downloaded timely_bytes v0.12.0
[INFO] [stderr]   Downloaded abomonation v0.7.3
[INFO] [stderr]   Downloaded timely v0.12.0
[INFO] [stderr]   Downloaded timely_logging v0.12.0
[INFO] [stderr]   Downloaded abomonation_derive v0.5.0
[INFO] [stderr]   Downloaded differential-dataflow v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 71a129961434625f4b0db24defcbe2a1cbf8397cb5e6073749e2aab8624acb31
[INFO] running `Command { std: "docker" "start" "71a129961434625f4b0db24defcbe2a1cbf8397cb5e6073749e2aab8624acb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71a129961434625f4b0db24defcbe2a1cbf8397cb5e6073749e2aab8624acb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "71a129961434625f4b0db24defcbe2a1cbf8397cb5e6073749e2aab8624acb31" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71a129961434625f4b0db24defcbe2a1cbf8397cb5e6073749e2aab8624acb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "71a129961434625f4b0db24defcbe2a1cbf8397cb5e6073749e2aab8624acb31" "/opt/rustwide/cargo-home/bin/cargo" "+be3da1e8c043bb6f1f335463d3b1335cdf50b03c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking timely_logging v0.12.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking timely_bytes v0.12.0
[INFO] [stderr]     Checking abomonation v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-guile v0.1.5 (https://gitlab.com/btv/rust-guile?branch=utils#470ee531)
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `rust-guile v0.1.5 (https://gitlab.com/btv/rust-guile?branch=utils#470ee531)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rust-guile/fcd3dbccc895cc77/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=GUILE_3.0_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=GUILE_3.0_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=GUILE_3.0_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (563) panicked at /opt/rustwide/cargo-home/git/checkouts/rust-guile-abe320f4c2e26548/470ee53/build.rs:2:44:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: `PKG_CONFIG_ALLOW_SYSTEM_CFLAGS="1" PKG_CONFIG_ALLOW_SYSTEM_LIBS="1" "pkg-config" "--libs" "--cflags" "guile-3.0"` did not exit successfully: exit status: 1
[INFO] [stderr]   error: could not find system library 'guile-3.0' required by the 'rust-guile' crate
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package guile-3.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `guile-3.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   Package 'guile-3.0' not found
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x6123a32bc531 - std[b86ef5264e9f7438]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x6123a32bc531 - std[b86ef5264e9f7438]::backtrace_rs::backtrace::trace_unsynchronized::<std[b86ef5264e9f7438]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x6123a32bc531 - std[b86ef5264e9f7438]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x6123a32bc531 - <<std[b86ef5264e9f7438]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a83cf561d8fc76d6]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x6123a32cf08a - <core[a83cf561d8fc76d6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x6123a32cf08a - core[a83cf561d8fc76d6]::fmt::write
[INFO] [stderr]      6:     0x6123a32c148c - core[a83cf561d8fc76d6]::io::write::default_write_fmt::<std[b86ef5264e9f7438]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x6123a32c148c - <std[b86ef5264e9f7438]::sys::stdio::unix::Stderr as core[a83cf561d8fc76d6]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x6123a329db06 - <std[b86ef5264e9f7438]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x6123a329db06 - std[b86ef5264e9f7438]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panicking.rs:289:27
[INFO] [stderr]     10:     0x6123a32b7c21 - std[b86ef5264e9f7438]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panicking.rs:316:9
[INFO] [stderr]     11:     0x6123a32b7ddb - std[b86ef5264e9f7438]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panicking.rs:811:13
[INFO] [stderr]     12:     0x6123a329dbb2 - std[b86ef5264e9f7438]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panicking.rs:685:13
[INFO] [stderr]     13:     0x6123a3297b49 - std[b86ef5264e9f7438]::sys::backtrace::__rust_end_short_backtrace::<std[b86ef5264e9f7438]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x6123a329e39d - __rustc[3429c5eca17aa70d]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panicking.rs:676:5
[INFO] [stderr]     15:     0x6123a32cf81c - core[a83cf561d8fc76d6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x6123a32cf592 - core[a83cf561d8fc76d6]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/core/src/result.rs:1870:5
[INFO] [stderr]     17:     0x6123a326fe2c - build_script_build[d5748356fa926813]::main
[INFO] [stderr]     18:     0x6123a326fe9b - <fn() as core[a83cf561d8fc76d6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x6123a326fd1e - std[b86ef5264e9f7438]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x6123a326fd29 - std[b86ef5264e9f7438]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x6123a32b7098 - <&dyn core[a83cf561d8fc76d6]::ops::function::Fn<(), Output = i32> + core[a83cf561d8fc76d6]::marker::Sync + core[a83cf561d8fc76d6]::panic::unwind_safe::RefUnwindSafe as core[a83cf561d8fc76d6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x6123a32b7098 - std[b86ef5264e9f7438]::panicking::catch_unwind::do_call::<&dyn core[a83cf561d8fc76d6]::ops::function::Fn<(), Output = i32> + core[a83cf561d8fc76d6]::marker::Sync + core[a83cf561d8fc76d6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panicking.rs:573:43
[INFO] [stderr]     23:     0x6123a32b7098 - std[b86ef5264e9f7438]::panicking::catch_unwind::<i32, &dyn core[a83cf561d8fc76d6]::ops::function::Fn<(), Output = i32> + core[a83cf561d8fc76d6]::marker::Sync + core[a83cf561d8fc76d6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panicking.rs:541:19
[INFO] [stderr]     24:     0x6123a32b7098 - std[b86ef5264e9f7438]::panic::catch_unwind::<&dyn core[a83cf561d8fc76d6]::ops::function::Fn<(), Output = i32> + core[a83cf561d8fc76d6]::marker::Sync + core[a83cf561d8fc76d6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x6123a32b7098 - std[b86ef5264e9f7438]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x6123a32b7098 - std[b86ef5264e9f7438]::panicking::catch_unwind::do_call::<std[b86ef5264e9f7438]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panicking.rs:573:43
[INFO] [stderr]     27:     0x6123a32b7098 - std[b86ef5264e9f7438]::panicking::catch_unwind::<isize, std[b86ef5264e9f7438]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panicking.rs:541:19
[INFO] [stderr]     28:     0x6123a32b7098 - std[b86ef5264e9f7438]::panic::catch_unwind::<std[b86ef5264e9f7438]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x6123a32b7098 - std[b86ef5264e9f7438]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/be3da1e8c043bb6f1f335463d3b1335cdf50b03c/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x6123a326fd11 - std[b86ef5264e9f7438]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x6123a326fed5 - main
[INFO] [stderr]     32:     0x7d6378132601 - <unknown>
[INFO] [stderr]     33:     0x7d6378132718 - __libc_start_main
[INFO] [stderr]     34:     0x6123a326fc25 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "71a129961434625f4b0db24defcbe2a1cbf8397cb5e6073749e2aab8624acb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a129961434625f4b0db24defcbe2a1cbf8397cb5e6073749e2aab8624acb31", kill_on_drop: false }`
[INFO] [stdout] 71a129961434625f4b0db24defcbe2a1cbf8397cb5e6073749e2aab8624acb31
