[INFO] fetching crate jargon 0.3.4...
[INFO] checking jargon-0.3.4 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate jargon 0.3.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate jargon 0.3.4 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jargon 0.3.4
[INFO] finished tweaking crates.io crate jargon 0.3.4
[INFO] tweaked toml for crates.io crate jargon 0.3.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate jargon 0.3.4 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" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_shared v0.1.8
[INFO] [stderr]   Downloaded argh_derive v0.1.8
[INFO] [stderr]   Downloaded argh v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33e6d633ff4b6de910e382ddffbbedfb16b6688245e4744a8ebdf0f84b442773
[INFO] running `Command { std: "docker" "start" "-a" "33e6d633ff4b6de910e382ddffbbedfb16b6688245e4744a8ebdf0f84b442773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33e6d633ff4b6de910e382ddffbbedfb16b6688245e4744a8ebdf0f84b442773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e6d633ff4b6de910e382ddffbbedfb16b6688245e4744a8ebdf0f84b442773", kill_on_drop: false }`
[INFO] [stdout] 33e6d633ff4b6de910e382ddffbbedfb16b6688245e4744a8ebdf0f84b442773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6589668d84e6394ace57ce52e1e20801aee0f5e5fb128c7f6854b9018eabeaf1
[INFO] running `Command { std: "docker" "start" "-a" "6589668d84e6394ace57ce52e1e20801aee0f5e5fb128c7f6854b9018eabeaf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling argh_shared v0.1.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling argh_derive v0.1.8
[INFO] [stderr]    Compiling jargon v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking argh v0.1.8
[INFO] [stderr] error: failed to run custom build command for `jargon v0.3.4 (/opt/rustwide/workdir)`
[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/jargon-106b57712826e58c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:65:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55cd84e84621 - std::backtrace_rs::backtrace::libunwind::trace::h036e87df56fc4b9d
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55cd84e84621 - std::backtrace_rs::backtrace::trace_unsynchronized::hd61eb2dbd6ae476a
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55cd84e84621 - std::sys_common::backtrace::_print_fmt::h00c50d0875db23c9
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stderr]      3:     0x55cd84e84621 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h63195ab2dde77ccc
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55cd84ea0bcf - core::fmt::rt::Argument::fmt::h83f4110348c688f4
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/fmt/rt.rs:138:9
[INFO] [stderr]      5:     0x55cd84ea0bcf - core::fmt::write::h509367dd365f983a
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/fmt/mod.rs:1094:21
[INFO] [stderr]      6:     0x55cd84e82871 - std::io::Write::write_fmt::h8e60bfebdaabfee5
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/io/mod.rs:1713:15
[INFO] [stderr]      7:     0x55cd84e84435 - std::sys_common::backtrace::_print::h96e550016098cde6
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55cd84e84435 - std::sys_common::backtrace::print::h7a049611b153a02e
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55cd84e857b7 - std::panicking::default_hook::{{closure}}::h1b023d46676794c4
[INFO] [stderr]     10:     0x55cd84e855a4 - std::panicking::default_hook::hea2961dabcf68e83
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:288:9
[INFO] [stderr]     11:     0x55cd84e85c6c - std::panicking::rust_panic_with_hook::h4285c91a8168b001
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:705:13
[INFO] [stderr]     12:     0x55cd84e85b67 - std::panicking::begin_panic_handler::{{closure}}::h6ebd0d46f0c6b010
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:597:13
[INFO] [stderr]     13:     0x55cd84e84a56 - std::sys_common::backtrace::__rust_end_short_backtrace::h92042d128576b63a
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/sys_common/backtrace.rs:151:18
[INFO] [stderr]     14:     0x55cd84e858b2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:593:5
[INFO] [stderr]     15:     0x55cd84d1d6c3 - core::panicking::panic_fmt::h65404fc8061ee73a
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/panicking.rs:67:14
[INFO] [stderr]     16:     0x55cd84d1dbf3 - core::result::unwrap_failed::h32fb969d6bae75cc
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/result.rs:1651:5
[INFO] [stderr]     17:     0x55cd84d2ba64 - core::result::Result<T,E>::unwrap::hd5dc0171ee43d477
[INFO] [stderr]     18:     0x55cd84d2ce9f - build_script_build::write_lib::h1ca0c628a7ac2d8e
[INFO] [stderr]     19:     0x55cd84d2d8ed - build_script_build::main::h5f02b27e73d3ebce
[INFO] [stderr]     20:     0x55cd84d2b0d3 - core::ops::function::FnOnce::call_once::hc08ba4e937622666
[INFO] [stderr]     21:     0x55cd84d238f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hf21cae78a6f00308
[INFO] [stderr]     22:     0x55cd84d22029 - std::rt::lang_start::{{closure}}::h87a5806ec1b46918
[INFO] [stderr]     23:     0x55cd84e7f6a5 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h49ef85a8a8d45198
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55cd84e7f6a5 - std::panicking::try::do_call::ha1def14af693a135
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:500:40
[INFO] [stderr]     25:     0x55cd84e7f6a5 - std::panicking::try::haa3dc2a1139932e2
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:464:19
[INFO] [stderr]     26:     0x55cd84e7f6a5 - std::panic::catch_unwind::h9d9cbebaf9f15c67
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55cd84e7f6a5 - std::rt::lang_start_internal::{{closure}}::hf660a772669a69cc
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55cd84e7f6a5 - std::panicking::try::do_call::hb1c34715bb9b1c46
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:500:40
[INFO] [stderr]     29:     0x55cd84e7f6a5 - std::panicking::try::h499866fd990da8f1
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panicking.rs:464:19
[INFO] [stderr]     30:     0x55cd84e7f6a5 - std::panic::catch_unwind::hac1ffec55b72e7bc
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55cd84e7f6a5 - std::rt::lang_start_internal::h0fecf91cd579e7b6
[INFO] [stderr]                                  at /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55cd84d22007 - std::rt::lang_start::hea07287dad1d67ab
[INFO] [stderr]     33:     0x55cd84d2d965 - main
[INFO] [stderr]     34:     0x7f4b65c4cd90 - <unknown>
[INFO] [stderr]     35:     0x7f4b65c4ce40 - __libc_start_main
[INFO] [stderr]     36:     0x55cd84d1def5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6589668d84e6394ace57ce52e1e20801aee0f5e5fb128c7f6854b9018eabeaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6589668d84e6394ace57ce52e1e20801aee0f5e5fb128c7f6854b9018eabeaf1", kill_on_drop: false }`
[INFO] [stdout] 6589668d84e6394ace57ce52e1e20801aee0f5e5fb128c7f6854b9018eabeaf1
