[INFO] fetching crate clacks_transport 0.0.4...
[INFO] checking clacks_transport-0.0.4 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate clacks_transport 0.0.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate clacks_transport 0.0.4 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clacks_transport 0.0.4
[INFO] finished tweaking crates.io crate clacks_transport 0.0.4
[INFO] tweaked toml for crates.io crate clacks_transport 0.0.4 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--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 extfmt v0.1.1
[INFO] [stderr]   Downloaded clacks_crypto v0.0.4
[INFO] [stderr]   Downloaded clacks_tl_codegen v0.0.4
[INFO] [stderr]   Downloaded clacks_mtproto v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b43640c1d8495fbeb2cb9ea921dedec9e74cc3272cf4c4d7c1c0e0341404dce3
[INFO] running `Command { std: "docker" "start" "-a" "b43640c1d8495fbeb2cb9ea921dedec9e74cc3272cf4c4d7c1c0e0341404dce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b43640c1d8495fbeb2cb9ea921dedec9e74cc3272cf4c4d7c1c0e0341404dce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43640c1d8495fbeb2cb9ea921dedec9e74cc3272cf4c4d7c1c0e0341404dce3", kill_on_drop: false }`
[INFO] [stdout] b43640c1d8495fbeb2cb9ea921dedec9e74cc3272cf4c4d7c1c0e0341404dce3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f0560a590e0c2d20d1a3a4087d4da7caa4e49799e4104020f524630e53ff53c
[INFO] running `Command { std: "docker" "start" "-a" "9f0560a590e0c2d20d1a3a4087d4da7caa4e49799e4104020f524630e53ff53c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking extfmt v0.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling serde_derive v1.0.129
[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-23c84ae092827c83/build-script-build` (exit status: 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: ReadOnlyFilesystem, 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:     0x55617de3af2c - std::backtrace_rs::backtrace::libunwind::trace::ha21b6ba3016b6364
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55617de3af2c - std::backtrace_rs::backtrace::trace_unsynchronized::hf515241a118c4e5a
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55617de3af2c - std::sys_common::backtrace::_print_fmt::h339cd474d88b8467
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55617de3af2c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h06b8f714a0700be1
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55617de54e0c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/fmt/mod.rs:1150:17
[INFO] [stderr]      5:     0x55617de38985 - std::io::Write::write_fmt::hb1c61d571fcd8cbf
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x55617de3c610 - std::sys_common::backtrace::_print::hcd1fe1237ea0c752
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55617de3c610 - std::sys_common::backtrace::print::hae7d6625a78cd32e
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55617de3c610 - std::panicking::default_hook::{{closure}}::h9a7fffa4e6b396ed
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x55617de3c1cb - std::panicking::default_hook::h5dc58e323cddd123
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55617de3ccc4 - std::panicking::rust_panic_with_hook::hbef17e4338d7de57
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x55617de3c7a0 - std::panicking::begin_panic_handler::{{closure}}::hd8a92a4b1c3baae0
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x55617de3b3f4 - std::sys_common::backtrace::__rust_end_short_backtrace::ha5ac263a7609ace8
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55617de3c709 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x55617dd550d1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/panicking.rs:101:14
[INFO] [stderr]     15:     0x55617dd55163 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/result.rs:1617:5
[INFO] [stderr]     16:     0x55617dd5f506 - core::result::Result<T,E>::unwrap::h7515d3121714d9f8
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/result.rs:1299:23
[INFO] [stderr]     17:     0x55617dd6163d - build_script_build::main::h05e3f87997861ce0
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clacks_mtproto-0.0.4/build.rs:25:5
[INFO] [stderr]     18:     0x55617dd59b8b - core::ops::function::FnOnce::call_once::h8fc6cd22fcb7d69d
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55617dd5d4fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h0351f1d7573bccb1
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55617dd5a511 - std::rt::lang_start::{{closure}}::h245137daf4bb1d28
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x55617de3d1ca - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc9bc8961e4809a14
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55617de3d1ca - std::panicking::try::do_call::h6f00e12df2af6579
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:403:40
[INFO] [stderr]     23:     0x55617de3d1ca - std::panicking::try::h588c31a0a9a8ad2c
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:367:19
[INFO] [stderr]     24:     0x55617de3d1ca - std::panic::catch_unwind::h8ebc4fcb0e51bec0
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panic.rs:129:14
[INFO] [stderr]     25:     0x55617de3d1ca - std::rt::lang_start_internal::{{closure}}::had93e50fbfd893a1
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x55617de3d1ca - std::panicking::try::do_call::hf70c5056d8b410b7
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:403:40
[INFO] [stderr]     27:     0x55617de3d1ca - std::panicking::try::h0c680320de5deb84
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panicking.rs:367:19
[INFO] [stderr]     28:     0x55617de3d1ca - std::panic::catch_unwind::h7b94a99f13366c53
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/panic.rs:129:14
[INFO] [stderr]     29:     0x55617de3d1ca - std::rt::lang_start_internal::hca14fb2549072049
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x55617dd5a4e0 - std::rt::lang_start::hb80e1ed69f0efc36
[INFO] [stderr]                                  at /rustc/07fecb9cf34c4979a772ba38c99d6d9144768413/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x55617dd6166c - main
[INFO] [stderr]     32:     0x7f8fd27180b3 - __libc_start_main
[INFO] [stderr]     33:     0x55617dd5586e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9f0560a590e0c2d20d1a3a4087d4da7caa4e49799e4104020f524630e53ff53c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0560a590e0c2d20d1a3a4087d4da7caa4e49799e4104020f524630e53ff53c", kill_on_drop: false }`
[INFO] [stdout] 9f0560a590e0c2d20d1a3a4087d4da7caa4e49799e4104020f524630e53ff53c