[INFO] cloning repository https://github.com/CentauriSolutions/mjolnir-plugin-tester
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CentauriSolutions/mjolnir-plugin-tester" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentauriSolutions%2Fmjolnir-plugin-tester", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentauriSolutions%2Fmjolnir-plugin-tester'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ca6c17637aa41086e8724a98f9f979651399a37
[INFO] checking CentauriSolutions/mjolnir-plugin-tester against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentauriSolutions%2Fmjolnir-plugin-tester" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester
[INFO] finished tweaking git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester
[INFO] tweaked toml for git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77b6074558d815f7721827c7d7e174a24fa2cdf77de9e3c722c63a1b3d1a36ca
[INFO] running `Command { std: "docker" "start" "-a" "77b6074558d815f7721827c7d7e174a24fa2cdf77de9e3c722c63a1b3d1a36ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77b6074558d815f7721827c7d7e174a24fa2cdf77de9e3c722c63a1b3d1a36ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b6074558d815f7721827c7d7e174a24fa2cdf77de9e3c722c63a1b3d1a36ca", kill_on_drop: false }`
[INFO] [stdout] 77b6074558d815f7721827c7d7e174a24fa2cdf77de9e3c722c63a1b3d1a36ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06e379c015688ba30c90615a9ec9027a11e90268ca4b482a9129f0dc594d9329
[INFO] running `Command { std: "docker" "start" "-a" "06e379c015688ba30c90615a9ec9027a11e90268ca4b482a9129f0dc594d9329", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]     Checking serde v1.0.23
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling protoc v1.4.3
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]     Checking clap v2.28.0
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.23
[INFO] [stderr]     Checking protobuf v1.4.3
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]    Compiling protoc-rust v1.4.3
[INFO] [stderr]    Compiling mjolnir-api v0.1.3 (https://github.com/ChrisMacNaughton/mjolnir#81608671)
[INFO] [stderr] error: failed to run custom build command for `mjolnir-api v0.1.3 (https://github.com/ChrisMacNaughton/mjolnir#81608671)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mjolnir-api-1f77b00f8247cf82/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/git/checkouts/mjolnir-b48ed57251170b8b/8160867/mjolnir-api/build.rs:8:8
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55bba10f3bf0 - std::backtrace_rs::backtrace::libunwind::trace::ha1eabb142084ea37
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55bba10f3bf0 - std::backtrace_rs::backtrace::trace_unsynchronized::hbb8825661d997281
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55bba10f3bf0 - std::sys_common::backtrace::_print_fmt::h26d850e2f7183914
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55bba10f3bf0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3834b06f68a2b012
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55bba111858c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x55bba10f1415 - std::io::Write::write_fmt::h9c0c8944a1898139
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x55bba10f6190 - std::sys_common::backtrace::_print::h693c0c2cc41d4d10
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55bba10f6190 - std::sys_common::backtrace::print::h213be73e5670b8ea
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55bba10f6190 - std::panicking::default_hook::{{closure}}::h2d49a3361cc4e7ea
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x55bba10f5edc - std::panicking::default_hook::hd41fbdeba93207ba
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x55bba10f67f3 - std::panicking::rust_panic_with_hook::hcab398664b4bd473
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x55bba10f63c9 - std::panicking::begin_panic_handler::{{closure}}::h7512c6f2998ba93d
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x55bba10f405c - std::sys_common::backtrace::__rust_end_short_backtrace::h1a25d7e7e1864d3d
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55bba10f6389 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x55bba11164f1 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55bba1116313 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/option.rs:1274
[INFO] [stderr]     16:     0x55bba0e942ff - core::result::Result<T,E>::expect::hf7a6846a4de0c01b
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/result.rs:963
[INFO] [stderr]     17:     0x55bba0e94243 - build_script_build::main::h92328bdc5c7c8fcd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/mjolnir-b48ed57251170b8b/8160867/mjolnir-api/build.rs:4
[INFO] [stderr]     18:     0x55bba0e9442b - core::ops::function::FnOnce::call_once::h52b9bb746110c269
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/ops/function.rs:233
[INFO] [stderr]     19:     0x55bba0e9444e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbf35a154c3fb2ad8
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x55bba0e943a1 - std::rt::lang_start::{{closure}}::hbe59fbbc31248eb2
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x55bba10f6c02 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hde9814ae740a85dc
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/ops/function.rs:265
[INFO] [stderr]     22:     0x55bba10f6c02 - std::panicking::try::do_call::h3026bab8cd7540d7
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:373
[INFO] [stderr]     23:     0x55bba10f6c02 - std::panicking::try::h852bb5e5a66f7f84
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:337
[INFO] [stderr]     24:     0x55bba10f6c02 - std::panic::catch_unwind::hfeb0f3dddf7c6a72
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panic.rs:394
[INFO] [stderr]     25:     0x55bba10f6c02 - std::rt::lang_start_internal::h32f0ac6e87476559
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x55bba0e94377 - std::rt::lang_start::ha2536b62b5925292
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x55bba0e9427a - main
[INFO] [stderr]     28:     0x7fbf6ff140b3 - __libc_start_main
[INFO] [stderr]     29:     0x55bba0e940ce - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "06e379c015688ba30c90615a9ec9027a11e90268ca4b482a9129f0dc594d9329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06e379c015688ba30c90615a9ec9027a11e90268ca4b482a9129f0dc594d9329", kill_on_drop: false }`
[INFO] [stdout] 06e379c015688ba30c90615a9ec9027a11e90268ca4b482a9129f0dc594d9329