[INFO] fetching crate hired 0.7.0...
[INFO] testing hired-0.7.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate hired 0.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hired 0.7.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hired 0.7.0
[INFO] finished tweaking crates.io crate hired 0.7.0
[INFO] tweaked toml for crates.io crate hired 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate hired 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b6a2ef722494d3a8d3d1f246f47d5f57467f012a1efc5eb841eca1567d423ee
[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" "7b6a2ef722494d3a8d3d1f246f47d5f57467f012a1efc5eb841eca1567d423ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b6a2ef722494d3a8d3d1f246f47d5f57467f012a1efc5eb841eca1567d423ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6a2ef722494d3a8d3d1f246f47d5f57467f012a1efc5eb841eca1567d423ee", kill_on_drop: false }`
[INFO] [stdout] 7b6a2ef722494d3a8d3d1f246f47d5f57467f012a1efc5eb841eca1567d423ee
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 140e4a3a9dbcedb6f86f300f717952b141bcd45d4a09c3fc5db4b283aa7ecb36
[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" "140e4a3a9dbcedb6f86f300f717952b141bcd45d4a09c3fc5db4b283aa7ecb36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling onig_sys v69.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling plist v1.1.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling add-ed v0.7.7
[INFO] [stderr]    Compiling onig v6.2.0
[INFO] [stderr]    Compiling argh v0.1.4
[INFO] [stderr]    Compiling syntect v4.5.0
[INFO] [stderr]    Compiling hired v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `hired v0.7.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/hired-d00ff37ffbba13ee/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=assets/syntaxes
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Io(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })', build.rs:14:77
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x558c644354f0 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x558c644354f0 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558c644354f0 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x558c644354f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x558c6445626c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x558c64433155 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x558c6443737b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x558c6443737b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x558c6443737b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x558c64436e51 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x558c64437a44 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x558c64437527 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x558c644359ec - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x558c64437489 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x558c642081c1 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x558c642082b3 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x558c642234ca - core::result::Result<T,E>::unwrap::haf4b949b7b755912
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x558c64233dec - build_script_build::main::h94a528bd81c91756
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:14:3
[INFO] [stderr]     18:     0x558c6423e6cb - core::ops::function::FnOnce::call_once::h399f7ab7db0088a2
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x558c6422537e - std::sys_common::backtrace::__rust_begin_short_backtrace::had3b968c0e8caca0
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x558c642628c1 - std::rt::lang_start::{{closure}}::h8b3196924b139966
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x558c64437f4a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcbe5785d54a49ce2
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x558c64437f4a - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x558c64437f4a - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x558c64437f4a - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x558c64437f4a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x558c64437f4a - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x558c64437f4a - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x558c64437f4a - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x558c64437f4a - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x558c64262890 - std::rt::lang_start::hd98309dfa2cdffb8
[INFO] [stderr]                                  at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x558c64233f5c - main
[INFO] [stderr]     32:     0x7f3e596ce0b3 - __libc_start_main
[INFO] [stderr]     33:     0x558c642089be - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "140e4a3a9dbcedb6f86f300f717952b141bcd45d4a09c3fc5db4b283aa7ecb36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140e4a3a9dbcedb6f86f300f717952b141bcd45d4a09c3fc5db4b283aa7ecb36", kill_on_drop: false }`
[INFO] [stdout] 140e4a3a9dbcedb6f86f300f717952b141bcd45d4a09c3fc5db4b283aa7ecb36