[INFO] cloning repository https://github.com/Caspinol/mememe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Caspinol/mememe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaspinol%2Fmememe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaspinol%2Fmememe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b1fc43c4cf6d259645413d6b232e1bbbbbc7836
[INFO] testing Caspinol/mememe against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCaspinol%2Fmememe" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Caspinol/mememe on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Caspinol/mememe
[INFO] finished tweaking git repo https://github.com/Caspinol/mememe
[INFO] tweaked toml for git repo https://github.com/Caspinol/mememe written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Caspinol/mememe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddb73b7c6d48c9dd07cf91ce5ac30e5d4cfbdde1c8d55c48a2bf5a9410c93740
[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" "ddb73b7c6d48c9dd07cf91ce5ac30e5d4cfbdde1c8d55c48a2bf5a9410c93740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddb73b7c6d48c9dd07cf91ce5ac30e5d4cfbdde1c8d55c48a2bf5a9410c93740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb73b7c6d48c9dd07cf91ce5ac30e5d4cfbdde1c8d55c48a2bf5a9410c93740", kill_on_drop: false }`
[INFO] [stdout] ddb73b7c6d48c9dd07cf91ce5ac30e5d4cfbdde1c8d55c48a2bf5a9410c93740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--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] f4f29209a3ba74f8abb1f4940c86106e5a87a961aeb37962623f726af819b4e6
[INFO] running `Command { std: "docker" "start" "-a" "f4f29209a3ba74f8abb1f4940c86106e5a87a961aeb37962623f726af819b4e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-bigint v0.2.1
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling groupable v0.2.0
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling slice-deque v0.1.14
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling pear_codegen v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling rocket_codegen v0.4.0
[INFO] [stderr]    Compiling rocket v0.4.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling base64 v0.10.0
[INFO] [stderr]    Compiling stb_truetype v0.2.4
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pear_codegen-3281c3039c0c0c3e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   [1;31mError:[0m [37mPear requires a nightly or dev version of Rust.[0m
[INFO] [stderr]   [37mInstalled version is:[0m [33m1.54.0 (2021-07-26)[0m. [37mMinimum required:[0m [33m1.31.0-nightly (2018-10-05)[0m.
[INFO] [stderr]   thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.0/build.rs:31:13
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x563fe3cf2100 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x563fe3cf2100 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x563fe3cf2100 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x563fe3cf2100 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x563fe3d0f11c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x563fe3ceff85 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x563fe3cf3d2b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x563fe3cf3d2b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x563fe3cf3d2b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x563fe3cf3801 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x563fe3cf43f4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x563fe3cc5bbf - std::panicking::begin_panic::{{closure}}::h2e20f600db54aa1d
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x563fe3cc5578 - std::sys_common::backtrace::__rust_end_short_backtrace::he58a59ae3aea9f60
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x563fe3cc5b05 - std::panicking::begin_panic::h9f020b9ce49d5475
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x563fe3cc418f - build_script_build::main::hcdf8fdeac4633099
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.0/build.rs:31:13
[INFO] [stderr]     15:     0x563fe3cc572b - core::ops::function::FnOnce::call_once::hf27711d9a845bad4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x563fe3cc55be - std::sys_common::backtrace::__rust_begin_short_backtrace::h1ee40bc339a8003a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x563fe3cc6801 - std::rt::lang_start::{{closure}}::he833751dc5d9039f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     18:     0x563fe3cf48f9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x563fe3cf48f9 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     20:     0x563fe3cf48f9 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     21:     0x563fe3cf48f9 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     22:     0x563fe3cf48f9 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     23:     0x563fe3cc67e0 - std::rt::lang_start::hc4cb8b6f12cbb563
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     24:     0x563fe3cc4dfc - main
[INFO] [stderr]     25:     0x7fcc2db020b3 - __libc_start_main
[INFO] [stderr]     26:     0x563fe3cc396e - _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" "f4f29209a3ba74f8abb1f4940c86106e5a87a961aeb37962623f726af819b4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f29209a3ba74f8abb1f4940c86106e5a87a961aeb37962623f726af819b4e6", kill_on_drop: false }`
[INFO] [stdout] f4f29209a3ba74f8abb1f4940c86106e5a87a961aeb37962623f726af819b4e6
