[INFO] crate reproto-backend-json 0.3.36 is already in cache
[INFO] checking reproto-backend-json-0.3.36 against master#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327
[INFO] extracting crate reproto-backend-json 0.3.36 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate reproto-backend-json 0.3.36 on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate reproto-backend-json 0.3.36
[INFO] finished tweaking crates.io crate reproto-backend-json 0.3.36
[INFO] tweaked toml for crates.io crate reproto-backend-json 0.3.36 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c91fad81b3caa329783c9830ade67d057a54c1c4560c1ddb4b0349d118b7a1fc
[INFO] running `"docker" "start" "-a" "c91fad81b3caa329783c9830ade67d057a54c1c4560c1ddb4b0349d118b7a1fc"`
[INFO] [stderr]    Compiling reproto-parser v0.3.36
[INFO] [stderr]    Compiling reproto-path-parser v0.3.36
[INFO] [stderr] error: failed to run custom build command for `reproto-parser v0.3.36`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/reproto-parser-4afc0d918b8886fc/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] processing file `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/reproto-parser-0.3.36/src/parser.lalrpop`
[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" }', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x556d9bc7e2c4 - backtrace::backtrace::libunwind::trace::h7b2a6b74301d37f0
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x556d9bc7e2c4 - backtrace::backtrace::trace_unsynchronized::h89a5cf99a9618766
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x556d9bc7e2c4 - std::sys_common::backtrace::_print_fmt::h33a2346af837f531
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x556d9bc7e2c4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4f658ab4e42d366e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x556d9bc9d5ec - core::fmt::write::hd5bbaf3e01e48326
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x556d9bc7b5b7 - std::io::Write::write_fmt::h6193b508653ddcc9
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x556d9bc806c5 - std::sys_common::backtrace::_print::he914b53d7a09a78d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x556d9bc806c5 - std::sys_common::backtrace::print::h92a8cb6723718f63
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x556d9bc806c5 - std::panicking::default_hook::{{closure}}::hf505e0d7e2ecd403
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    9:     0x556d9bc803b6 - std::panicking::default_hook::hc6772d9600f23c72
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]   10:     0x556d9bc80d65 - std::panicking::rust_panic_with_hook::h7372d52cdbd74b87
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x556d9bc80902 - std::panicking::continue_panic_fmt::h73b3f53425683dc6
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]   12:     0x556d9bc807f6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]   13:     0x556d9bc99f1a - core::panicking::panic_fmt::hbcbcea482a1f859e
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x556d9bc9a017 - core::result::unwrap_failed::h8065af330f1ff736
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x556d9b167038 - core::result::Result<T,E>::unwrap::hd472563ce10423ab
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libcore/result.rs:933
[INFO] [stderr]   16:     0x556d9b166efc - build_script_build::main::hf168d69248fe107b
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/reproto-parser-0.3.36/build.rs:5
[INFO] [stderr]   17:     0x556d9b166c30 - std::rt::lang_start::{{closure}}::h3e1d7c6e8f242d6c
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x556d9bc80793 - std::rt::lang_start_internal::{{closure}}::h9d96e46706cace5b
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x556d9bc80793 - std::panicking::try::do_call::h35d84c71f56bf844
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   20:     0x556d9bc834ca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x556d9bc8125d - std::panicking::try::h2c16ac107e4a3736
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   22:     0x556d9bc8125d - std::panic::catch_unwind::h61680e437015f378
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x556d9bc8125d - std::rt::lang_start_internal::h9e089243f326ffce
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x556d9b166c09 - std::rt::lang_start::hec2fb94c2a87279a
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x556d9b166f5a - main
[INFO] [stderr]   26:     0x7fb50f313b97 - __libc_start_main
[INFO] [stderr]   27:     0x556d9b166a1a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `reproto-path-parser v0.3.36`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/reproto-path-parser-7c01665a87c43c07/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] processing file `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/reproto-path-parser-0.3.36/parser.lalrpop`
[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" }', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x560b01c352c4 - backtrace::backtrace::libunwind::trace::h7b2a6b74301d37f0
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x560b01c352c4 - backtrace::backtrace::trace_unsynchronized::h89a5cf99a9618766
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x560b01c352c4 - std::sys_common::backtrace::_print_fmt::h33a2346af837f531
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x560b01c352c4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h4f658ab4e42d366e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]    4:     0x560b01c545ec - core::fmt::write::hd5bbaf3e01e48326
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1030
[INFO] [stderr]    5:     0x560b01c325b7 - std::io::Write::write_fmt::h6193b508653ddcc9
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x560b01c376c5 - std::sys_common::backtrace::_print::he914b53d7a09a78d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:65
[INFO] [stderr]    7:     0x560b01c376c5 - std::sys_common::backtrace::print::h92a8cb6723718f63
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:50
[INFO] [stderr]    8:     0x560b01c376c5 - std::panicking::default_hook::{{closure}}::hf505e0d7e2ecd403
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    9:     0x560b01c373b6 - std::panicking::default_hook::hc6772d9600f23c72
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]   10:     0x560b01c37d65 - std::panicking::rust_panic_with_hook::h7372d52cdbd74b87
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x560b01c37902 - std::panicking::continue_panic_fmt::h73b3f53425683dc6
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]   12:     0x560b01c377f6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]   13:     0x560b01c50f1a - core::panicking::panic_fmt::hbcbcea482a1f859e
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   14:     0x560b01c51017 - core::result::unwrap_failed::h8065af330f1ff736
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x560b0111e168 - core::result::Result<T,E>::unwrap::hc5f3f3620a41deda
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libcore/result.rs:933
[INFO] [stderr]   16:     0x560b0111ddec - build_script_build::main::h17424e5d07370958
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/reproto-path-parser-0.3.36/build.rs:5
[INFO] [stderr]   17:     0x560b0111dc70 - std::rt::lang_start::{{closure}}::h360127c8ebbe79a0
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x560b01c37793 - std::rt::lang_start_internal::{{closure}}::h9d96e46706cace5b
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x560b01c37793 - std::panicking::try::do_call::h35d84c71f56bf844
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   20:     0x560b01c3a4ca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x560b01c3825d - std::panicking::try::h2c16ac107e4a3736
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   22:     0x560b01c3825d - std::panic::catch_unwind::h61680e437015f378
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x560b01c3825d - std::rt::lang_start_internal::h9e089243f326ffce
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x560b0111dc49 - std::rt::lang_start::hacb3ebf9abe8b595
[INFO] [stderr]                                at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x560b0111de4a - main
[INFO] [stderr]   26:     0x7f518f0aab97 - __libc_start_main
[INFO] [stderr]   27:     0x560b0111da1a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "c91fad81b3caa329783c9830ade67d057a54c1c4560c1ddb4b0349d118b7a1fc"`
[INFO] running `"docker" "rm" "-f" "c91fad81b3caa329783c9830ade67d057a54c1c4560c1ddb4b0349d118b7a1fc"`
[INFO] [stdout] c91fad81b3caa329783c9830ade67d057a54c1c4560c1ddb4b0349d118b7a1fc