[INFO] cloning repository https://github.com/PsypherPunk/jargon-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PsypherPunk/jargon-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPsypherPunk%2Fjargon-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPsypherPunk%2Fjargon-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 550d35ae9ac2beae5d55799947ab3816a0f477bd
[INFO] checking PsypherPunk/jargon-rs against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPsypherPunk%2Fjargon-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PsypherPunk/jargon-rs on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PsypherPunk/jargon-rs
[INFO] finished tweaking git repo https://github.com/PsypherPunk/jargon-rs
[INFO] tweaked toml for git repo https://github.com/PsypherPunk/jargon-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/PsypherPunk/jargon-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_shared v0.1.1
[INFO] [stderr]   Downloaded syn v1.0.36
[INFO] [stderr]   Downloaded argh_derive v0.1.1
[INFO] [stderr]   Downloaded argh v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a4c6cc28f6293ad464bd28d87a03c91501351e2f9f58c5c9de811cadee95a39
[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" "2a4c6cc28f6293ad464bd28d87a03c91501351e2f9f58c5c9de811cadee95a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a4c6cc28f6293ad464bd28d87a03c91501351e2f9f58c5c9de811cadee95a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4c6cc28f6293ad464bd28d87a03c91501351e2f9f58c5c9de811cadee95a39", kill_on_drop: false }`
[INFO] [stdout] 2a4c6cc28f6293ad464bd28d87a03c91501351e2f9f58c5c9de811cadee95a39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f133e5d798b96d4c2e54c54e5a83727c8d7c44900f3baa8c1b87cee482e8f3df
[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" "f133e5d798b96d4c2e54c54e5a83727c8d7c44900f3baa8c1b87cee482e8f3df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling jargon v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr] error: failed to run custom build command for `jargon v0.3.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/jargon-df14b6ca66029484/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:65:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55bca0230e07 - std::backtrace_rs::backtrace::libunwind::trace::h8bc78f7bc1f75bdb
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55bca0230e07 - std::backtrace_rs::backtrace::trace_unsynchronized::ha4c961c9576f95ba
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55bca0230e07 - std::sys_common::backtrace::_print_fmt::hc20cfdc233d6eb02
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55bca0230e07 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h04bea14549780a0f
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55bca02487cc - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/fmt/mod.rs:1096:17
[INFO] [stderr]      5:     0x55bca022f082 - std::io::Write::write_fmt::h55dd75636eef6a5c
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x55bca0232d55 - std::sys_common::backtrace::_print::h6439e8525077c7da
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55bca0232d55 - std::sys_common::backtrace::print::h02b685f728ce3931
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55bca0232d55 - std::panicking::default_hook::{{closure}}::h7c29625065fafae1
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55bca02328b3 - std::panicking::default_hook::hba441710bb71f4d5
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55bca02334f1 - std::panicking::rust_panic_with_hook::ha936eb00e51bc4d9
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55bca0233037 - std::panicking::begin_panic_handler::{{closure}}::hcd15140e0238536e
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55bca02312cc - std::sys_common::backtrace::__rust_end_short_backtrace::hb13a021bb64823a1
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55bca0232f99 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55bca0247ba1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55bca02479c3 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/option.rs:1266:5
[INFO] [stderr]     16:     0x55bca0048e2b - core::result::Result<T,E>::unwrap::hfb75361a2e2e56a0
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/result.rs:969:23
[INFO] [stderr]     17:     0x55bca004b286 - build_script_build::write_lib::hd563616bee0a8a43
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:61:22
[INFO] [stderr]     18:     0x55bca004c20f - build_script_build::main::h901ea504284f4823
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:93:5
[INFO] [stderr]     19:     0x55bca004770b - core::ops::function::FnOnce::call_once::h414fddd6c6db7d83
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55bca003a55e - std::sys_common::backtrace::__rust_begin_short_backtrace::h2fdef6f97b90597a
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55bca0049b91 - std::rt::lang_start::{{closure}}::h8b5100201c26f5f2
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x55bca0233917 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7c92107c3c98a949
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55bca0233917 - std::panicking::try::do_call::h7454c57e8fbf0cc1
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x55bca0233917 - std::panicking::try::he71cdc15ed83b5ec
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x55bca0233917 - std::panic::catch_unwind::hfc08ddb043e6e18c
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x55bca0233917 - std::rt::lang_start_internal::he4958117ec6901fd
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x55bca0049b67 - std::rt::lang_start::h12b6de7c96621a72
[INFO] [stderr]                                  at /rustc/9cfe725f0995b018340c519db1b2f3cf8a7e0631/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x55bca004c30a - main
[INFO] [stderr]     29:     0x7fa696de10b3 - __libc_start_main
[INFO] [stderr]     30:     0x55bca00340ae - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f133e5d798b96d4c2e54c54e5a83727c8d7c44900f3baa8c1b87cee482e8f3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f133e5d798b96d4c2e54c54e5a83727c8d7c44900f3baa8c1b87cee482e8f3df", kill_on_drop: false }`
[INFO] [stdout] f133e5d798b96d4c2e54c54e5a83727c8d7c44900f3baa8c1b87cee482e8f3df