[INFO] fetching crate clacks_mtproto 0.0.5...
[INFO] testing clacks_mtproto-0.0.5 against 1.59.0 for beta-1.60-1
[INFO] extracting crate clacks_mtproto 0.0.5 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate clacks_mtproto 0.0.5 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clacks_mtproto 0.0.5
[INFO] finished tweaking crates.io crate clacks_mtproto 0.0.5
[INFO] tweaked toml for crates.io crate clacks_mtproto 0.0.5 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded libc v0.2.119
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded erased-serde v0.3.18
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded derivative v1.0.4
[INFO] [stderr]   Downloaded extfmt v0.1.1
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded cc v1.0.73
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded pom v1.1.0
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded clacks_tl_codegen v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51a03514c5ef331963421054fd581c319c40d57f2c91c0a03fbd82a58cc3d690
[INFO] running `Command { std: "docker" "start" "-a" "51a03514c5ef331963421054fd581c319c40d57f2c91c0a03fbd82a58cc3d690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51a03514c5ef331963421054fd581c319c40d57f2c91c0a03fbd82a58cc3d690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a03514c5ef331963421054fd581c319c40d57f2c91c0a03fbd82a58cc3d690", kill_on_drop: false }`
[INFO] [stdout] 51a03514c5ef331963421054fd581c319c40d57f2c91c0a03fbd82a58cc3d690
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe146ad3b4846648857043244c4b6562858b1a0f3f9cac560f8fb64468b5d09
[INFO] running `Command { std: "docker" "start" "-a" "6fe146ad3b4846648857043244c4b6562858b1a0f3f9cac560f8fb64468b5d09", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling extfmt v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling erased-serde v0.3.18
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling clacks_tl_codegen v0.0.5
[INFO] [stderr]    Compiling clacks_mtproto v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `clacks_mtproto v0.0.5 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/clacks_mtproto-d3f5b5aef500fa10/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" }', build.rs:25:19
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5619463322fc - std::backtrace_rs::backtrace::libunwind::trace::h91c465e73bf6c785
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5619463322fc - std::backtrace_rs::backtrace::trace_unsynchronized::hae9da36f5d58b5f3
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5619463322fc - std::sys_common::backtrace::_print_fmt::h7f499fa126a7effb
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5619463322fc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3e2b509ce2ce6007
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56194634f89c - core::fmt::write::h753c7571fa063ecb
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/fmt/mod.rs:1168:17
[INFO] [stderr]      5:     0x56194632eb83 - std::io::Write::write_fmt::h2815c0519c99ba09
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/io/mod.rs:1660:15
[INFO] [stderr]      6:     0x561946334332 - std::sys_common::backtrace::_print::h64941a6fc8b0ed9b
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x561946334332 - std::sys_common::backtrace::print::hcf25e43e1a9b0766
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x561946334332 - std::panicking::default_hook::{{closure}}::h78d3e6cf97fc623d
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x561946333f15 - std::panicking::default_hook::hda898f8d3ad1a5ae
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x561946334983 - std::panicking::rust_panic_with_hook::h1a5ea2d6c23051aa
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x5619463346a0 - std::panicking::begin_panic_handler::{{closure}}::h07f549390938b73f
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:502:13
[INFO] [stderr]     12:     0x5619463327a4 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ec3758a92cfb00d
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x5619463343d9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x561946227471 - core::panicking::panic_fmt::h3a79a6a99affe1d5
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:116:14
[INFO] [stderr]     15:     0x561946227503 - core::result::unwrap_failed::ha0327e3803285d6e
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1690:5
[INFO] [stderr]     16:     0x561946231006 - core::result::Result<T,E>::unwrap::h44215201272c446c
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/result.rs:1018:23
[INFO] [stderr]     17:     0x56194623090d - build_script_build::main::hc70e2054c094ca7c
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:25:5
[INFO] [stderr]     18:     0x56194622aafb - core::ops::function::FnOnce::call_once::hda9dba9eef041016
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x56194622d13e - std::sys_common::backtrace::__rust_begin_short_backtrace::h55e157ce8237197f
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     20:     0x56194622c2f1 - std::rt::lang_start::{{closure}}::h0c81bf77afeaf9b1
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:145:18
[INFO] [stderr]     21:     0x5619463319b0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h443f738a8e9f947a
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x5619463319b0 - std::panicking::try::do_call::h1e21ba261ba489ec
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40
[INFO] [stderr]     23:     0x5619463319b0 - std::panicking::try::h6afd48af8b6c96ac
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19
[INFO] [stderr]     24:     0x5619463319b0 - std::panic::catch_unwind::h85dd95e0bab7fb60
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14
[INFO] [stderr]     25:     0x5619463319b0 - std::rt::lang_start_internal::{{closure}}::h038455e697c8b03e
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:128:48
[INFO] [stderr]     26:     0x5619463319b0 - std::panicking::try::do_call::h6b0ad65979f3077a
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40
[INFO] [stderr]     27:     0x5619463319b0 - std::panicking::try::h010108d314169ac6
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19
[INFO] [stderr]     28:     0x5619463319b0 - std::panic::catch_unwind::hff397f912b1535c2
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14
[INFO] [stderr]     29:     0x5619463319b0 - std::rt::lang_start_internal::h52e73755f77c7dd9
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:128:20
[INFO] [stderr]     30:     0x56194622c2c0 - std::rt::lang_start::h4f7b36426f4155d9
[INFO] [stderr]                                  at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:144:17
[INFO] [stderr]     31:     0x561946230bbc - main
[INFO] [stderr]     32:     0x7f57320400b3 - __libc_start_main
[INFO] [stderr]     33:     0x561946227bae - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6fe146ad3b4846648857043244c4b6562858b1a0f3f9cac560f8fb64468b5d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe146ad3b4846648857043244c4b6562858b1a0f3f9cac560f8fb64468b5d09", kill_on_drop: false }`
[INFO] [stdout] 6fe146ad3b4846648857043244c4b6562858b1a0f3f9cac560f8fb64468b5d09