[INFO] cloning repository https://github.com/alisww/compass
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alisww/compass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisww%2Fcompass", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisww%2Fcompass'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec9855d649ac46a732d939407df24a90c2a55a7b
[INFO] checking alisww/compass against try#c3491e21996dc67a8e37d9e5e74ed156563e9854 for pr-101345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falisww%2Fcompass" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alisww/compass on toolchain c3491e21996dc67a8e37d9e5e74ed156563e9854
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alisww/compass
[INFO] finished tweaking git repo https://github.com/alisww/compass
[INFO] tweaked toml for git repo https://github.com/alisww/compass written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/alisww/compass already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6379d8665f8999d93a2a2a1d8f765717cb094a8aba8e45197eb8c4d0c0af7ad7
[INFO] running `Command { std: "docker" "start" "-a" "6379d8665f8999d93a2a2a1d8f765717cb094a8aba8e45197eb8c4d0c0af7ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6379d8665f8999d93a2a2a1d8f765717cb094a8aba8e45197eb8c4d0c0af7ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6379d8665f8999d93a2a2a1d8f765717cb094a8aba8e45197eb8c4d0c0af7ad7", kill_on_drop: false }`
[INFO] [stdout] 6379d8665f8999d93a2a2a1d8f765717cb094a8aba8e45197eb8c4d0c0af7ad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c3491e21996dc67a8e37d9e5e74ed156563e9854" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 326b4b1aef5b0449f290749884e1e508c23caebaf76f659732e8615cd885e49b
[INFO] running `Command { std: "docker" "start" "-a" "326b4b1aef5b0449f290749884e1e508c23caebaf76f659732e8615cd885e49b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking siphasher v0.3.5
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.94`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-d648452827bd1d54/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.94/build.rs:9:63
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x559c508abcd0 - std::backtrace_rs::backtrace::libunwind::trace::h6176bf60b78d74d6
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      1:     0x559c508abcd0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5d22932bd33ba306
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x559c508abcd0 - std::sys_common::backtrace::_print_fmt::h91ed71259c388db3
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x559c508abcd0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hde15bb8cbf7665da
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x559c508c8ebe - core::fmt::write::h9761a5598d7cc269
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/fmt/mod.rs:1202:17
[INFO] [stderr]      5:     0x559c508a8f85 - std::io::Write::write_fmt::h26becaaa3f318825
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/io/mod.rs:1679:15
[INFO] [stderr]      6:     0x559c508ad403 - std::sys_common::backtrace::_print::hc10fefd61e366dd2
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x559c508ad403 - std::sys_common::backtrace::print::hd8c846072a354bbf
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x559c508ad403 - std::panicking::default_hook::{{closure}}::haa135eeb0555cd8c
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x559c508ad0ef - std::panicking::default_hook::h962e5f45e4e85804
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x559c508adaaa - std::panicking::rust_panic_with_hook::h26097f8ccbe406f2
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x559c508ad9a7 - std::panicking::begin_panic_handler::{{closure}}::hc0f865aa1bb60c7c
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x559c508ac1ec - std::sys_common::backtrace::__rust_end_short_backtrace::h6d4dc99be6f721b8
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x559c508ad6c2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x559c508849c3 - core::panicking::panic_fmt::h4db8cd7388285b2c
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x559c508c8161 - core::panicking::panic_display::he73fdc935bdf497e
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/panicking.rs:72:5
[INFO] [stderr]     16:     0x559c508c810b - core::panicking::panic_str::hb5cde10995c7cdaf
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/panicking.rs:56:5
[INFO] [stderr]     17:     0x559c50884836 - core::option::expect_failed::h659f87154acb3c68
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/option.rs:1880:5
[INFO] [stderr]     18:     0x559c50888da2 - core::option::Option<T>::expect::h46e855a28ca58fce
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/option.rs:738:21
[INFO] [stderr]     19:     0x559c508903e4 - build_script_build::main::h0dda279436a12d80
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.94/build.rs:9:41
[INFO] [stderr]     20:     0x559c5088991b - core::ops::function::FnOnce::call_once::hcf63e9463202cbde
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/ops/function.rs:248:5
[INFO] [stderr]     21:     0x559c5088865e - std::sys_common::backtrace::__rust_begin_short_backtrace::haa9279beaea4954a
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     22:     0x559c5088ee11 - std::rt::lang_start::{{closure}}::h2079e2dc394936f7
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x559c508a65af - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::he95ed81489502271
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/core/src/ops/function.rs:280:13
[INFO] [stderr]     24:     0x559c508a65af - std::panicking::try::do_call::h0a45e27c5ac7207a
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:492:40
[INFO] [stderr]     25:     0x559c508a65af - std::panicking::try::h032b7145e06b96dd
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:456:19
[INFO] [stderr]     26:     0x559c508a65af - std::panic::catch_unwind::hcb3762214531769d
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x559c508a65af - std::rt::lang_start_internal::{{closure}}::h49ed99b9e279c5c0
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x559c508a65af - std::panicking::try::do_call::hd4e312809bc805d8
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:492:40
[INFO] [stderr]     29:     0x559c508a65af - std::panicking::try::hdb45bd293875ea13
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panicking.rs:456:19
[INFO] [stderr]     30:     0x559c508a65af - std::panic::catch_unwind::h429997a205aa583a
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x559c508a65af - std::rt::lang_start_internal::hc8c7091d7b5a3029
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x559c5088edea - std::rt::lang_start::ha0f62ae3107452db
[INFO] [stderr]                                  at /rustc/c3491e21996dc67a8e37d9e5e74ed156563e9854/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x559c50891a51 - main
[INFO] [stderr]     34:     0x7f6b22d5a083 - __libc_start_main
[INFO] [stderr]     35:     0x559c50884bbe - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "326b4b1aef5b0449f290749884e1e508c23caebaf76f659732e8615cd885e49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326b4b1aef5b0449f290749884e1e508c23caebaf76f659732e8615cd885e49b", kill_on_drop: false }`
[INFO] [stdout] 326b4b1aef5b0449f290749884e1e508c23caebaf76f659732e8615cd885e49b