[INFO] fetching crate remake 0.1.0...
[INFO] checking remake-0.1.0 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate remake 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate remake 0.1.0 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate remake 0.1.0
[INFO] finished tweaking crates.io crate remake 0.1.0
[INFO] tweaked toml for crates.io crate remake 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5875aff85f46c73b1d15e6919fb7e9aa454e3db55b691c6f8e9c45ac443b541
[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" "d5875aff85f46c73b1d15e6919fb7e9aa454e3db55b691c6f8e9c45ac443b541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5875aff85f46c73b1d15e6919fb7e9aa454e3db55b691c6f8e9c45ac443b541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5875aff85f46c73b1d15e6919fb7e9aa454e3db55b691c6f8e9c45ac443b541", kill_on_drop: false }`
[INFO] [stdout] d5875aff85f46c73b1d15e6919fb7e9aa454e3db55b691c6f8e9c45ac443b541
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20ae8ff40fc169222795559e56dd1e46cd9bf53d1e17598edb693b09b3f03040
[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" "20ae8ff40fc169222795559e56dd1e46cd9bf53d1e17598edb693b09b3f03040", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling lalrpop-snap v0.15.2
[INFO] [stderr]    Compiling lalrpop v0.15.2
[INFO] [stderr]    Compiling remake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `remake v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/remake-c662d564290ebc60/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `/opt/rustwide/workdir/src/parse.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" }', build.rs:4:29
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b0a93ac370 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55b0a93ac370 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b0a93ac370 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55b0a93ac370 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h400b66a054640aac
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55b0a93cb9bc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/fmt/mod.rs:1076:17
[INFO] [stderr]      5:     0x55b0a93a9182 - std::io::Write::write_fmt::h6453b28c8b27c6ea
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/io/mod.rs:1516:15
[INFO] [stderr]      6:     0x55b0a93ae745 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55b0a93ae745 - std::sys_common::backtrace::print::h953c7be178c0674d
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55b0a93ae745 - std::panicking::default_hook::{{closure}}::h635d667f571198f0
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55b0a93ae3e8 - std::panicking::default_hook::h3bc2efb48060abaa
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55b0a93aee21 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:577:17
[INFO] [stderr]     11:     0x55b0a93ae9c9 - std::panicking::begin_panic_handler::{{closure}}::hf0d3f46d37dd3bc1
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:484:9
[INFO] [stderr]     12:     0x55b0a93ac80c - std::sys_common::backtrace::__rust_end_short_backtrace::h4bce8b52717576e3
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55b0a93ae989 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:483:5
[INFO] [stderr]     14:     0x55b0a93c9fb1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/panicking.rs:85:14
[INFO] [stderr]     15:     0x55b0a93c9dd3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x55b0a8ad34e3 - core::result::Result<T,E>::unwrap::h3ebe0cfa2295602b
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x55b0a8ad330d - build_script_build::main::hb7d94da6836a4a92
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4:5
[INFO] [stderr]     18:     0x55b0a8ad33bb - core::ops::function::FnOnce::call_once::h342dc38303a1b471
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55b0a8ad36ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h0c2c28243e496d7d
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55b0a8ad32c1 - std::rt::lang_start::{{closure}}::h1183e19456f9ec63
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55b0a93af247 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1af42f2aaad601f7
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55b0a93af247 - std::panicking::try::do_call::h9d43a73a8e9fb04a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:381:40
[INFO] [stderr]     23:     0x55b0a93af247 - std::panicking::try::h7a8d1100a6afe839
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:345:19
[INFO] [stderr]     24:     0x55b0a93af247 - std::panic::catch_unwind::h9c80942da690cf03
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panic.rs:382:14
[INFO] [stderr]     25:     0x55b0a93af247 - std::rt::lang_start_internal::h18ef240fb861b4d5
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55b0a8ad3297 - std::rt::lang_start::h4664c90c4e3c38a3
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55b0a8ad334a - main
[INFO] [stderr]     28:     0x7fa0af9c90b3 - __libc_start_main
[INFO] [stderr]     29:     0x55b0a8ad30ce - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "20ae8ff40fc169222795559e56dd1e46cd9bf53d1e17598edb693b09b3f03040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ae8ff40fc169222795559e56dd1e46cd9bf53d1e17598edb693b09b3f03040", kill_on_drop: false }`
[INFO] [stdout] 20ae8ff40fc169222795559e56dd1e46cd9bf53d1e17598edb693b09b3f03040