[INFO] fetching crate clacks_crypto 0.0.4...
[INFO] checking clacks_crypto-0.0.4 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate clacks_crypto 0.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate clacks_crypto 0.0.4 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clacks_crypto 0.0.4
[INFO] finished tweaking crates.io crate clacks_crypto 0.0.4
[INFO] tweaked toml for crates.io crate clacks_crypto 0.0.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22f8ea07c92ec79e1ae4499168b29c605645d76a61ac894122937a701abd9082
[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" "22f8ea07c92ec79e1ae4499168b29c605645d76a61ac894122937a701abd9082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22f8ea07c92ec79e1ae4499168b29c605645d76a61ac894122937a701abd9082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f8ea07c92ec79e1ae4499168b29c605645d76a61ac894122937a701abd9082", kill_on_drop: false }`
[INFO] [stdout] 22f8ea07c92ec79e1ae4499168b29c605645d76a61ac894122937a701abd9082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f481b89a57d80b68eb38f2ab6794082deaba3eeb38761f8fae5420bd5715e401
[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" "f481b89a57d80b68eb38f2ab6794082deaba3eeb38761f8fae5420bd5715e401", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking extfmt v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling clacks_tl_codegen v0.0.4
[INFO] [stderr]    Compiling clacks_mtproto v0.0.4
[INFO] [stderr] error: failed to run custom build command for `clacks_mtproto v0.0.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/clacks_mtproto-8eaf214ad3124054/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=tl/000-scheme.tl
[INFO] [stderr]   cargo:rerun-if-changed=tl/001-manual.tl
[INFO] [stderr] 
[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" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clacks_mtproto-0.0.4/build.rs:25:19
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55ff99667690 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55ff99667690 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ff99667690 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55ff99667690 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55ff99681a4c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55ff996653c2 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x55ff99669955 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55ff99669955 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55ff99669955 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55ff996694aa - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55ff9966a0f1 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55ff99669c37 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55ff99667b2c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55ff99669b99 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55ff99680df1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55ff99680c13 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x55ff99587970 - core::result::Result<T,E>::unwrap::h02767fa694c63242
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x55ff99588adb - build_script_build::main::he755d89c8320c206
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clacks_mtproto-0.0.4/build.rs:25:5
[INFO] [stderr]     18:     0x55ff99583b4b - core::ops::function::FnOnce::call_once::h430172f65dc2d4f4
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55ff99588c5e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf6101027ce2a664f
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55ff995832b1 - std::rt::lang_start::{{closure}}::hac27f9668bf52b07
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55ff9966a517 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55ff9966a517 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55ff9966a517 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55ff9966a517 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/panic.rs:396:14
[INFO] [stderr]     25:     0x55ff9966a517 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55ff99583287 - std::rt::lang_start::h6e23fe839f05b487
[INFO] [stderr]                                  at /rustc/6f12b8fe67b4eed2e838dab803ed9493b9d62c0f/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55ff99588b0a - main
[INFO] [stderr]     28:     0x7fb7796680b3 - __libc_start_main
[INFO] [stderr]     29:     0x55ff9957e0ae - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f481b89a57d80b68eb38f2ab6794082deaba3eeb38761f8fae5420bd5715e401", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f481b89a57d80b68eb38f2ab6794082deaba3eeb38761f8fae5420bd5715e401", kill_on_drop: false }`
[INFO] [stdout] f481b89a57d80b68eb38f2ab6794082deaba3eeb38761f8fae5420bd5715e401