[INFO] cloning repository https://github.com/asmsoft/rr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asmsoft/rr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmsoft%2Frr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmsoft%2Frr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42ccdc3faf64375e6c1c9d03a01f0a3f96c25c4c
[INFO] checking asmsoft/rr against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmsoft%2Frr" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asmsoft/rr on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asmsoft/rr
[INFO] finished tweaking git repo https://github.com/asmsoft/rr
[INFO] tweaked toml for git repo https://github.com/asmsoft/rr written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/asmsoft/rr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.3.0
[INFO] [stderr]   Downloaded filetime v0.1.10
[INFO] [stderr]   Downloaded mio v0.5.1
[INFO] [stderr]   Downloaded tar v0.4.13
[INFO] [stderr]   Downloaded bodyparser v0.7.0
[INFO] [stderr]   Downloaded unwrap v1.1.0
[INFO] [stderr]   Downloaded bzip2 v0.3.2
[INFO] [stderr]   Downloaded msdos_time v0.1.5
[INFO] [stderr]   Downloaded zip v0.2.6
[INFO] [stderr]   Downloaded headers v0.1.0
[INFO] [stderr]   Downloaded miow v0.1.5
[INFO] [stderr]   Downloaded slab v0.1.3
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] [stderr]   Downloaded persistent v0.3.0
[INFO] [stderr]   Downloaded bodyparser v0.5.0
[INFO] [stderr]   Downloaded urlencoded v0.5.0
[INFO] [stderr]   Downloaded bzip2-sys v0.1.5
[INFO] [stderr]   Downloaded sequence_trie v0.2.1
[INFO] [stderr]   Downloaded xattr v0.1.11
[INFO] [stderr]   Downloaded mime_guess v1.8.2
[INFO] [stderr]   Downloaded buf_redux v0.3.0
[INFO] [stderr]   Downloaded textwrap v0.8.0
[INFO] [stderr]   Downloaded exonum_leveldb v0.9.1
[INFO] [stderr]   Downloaded exonum_libsodium-sys v0.0.14
[INFO] [stderr]   Downloaded exonum-configuration v0.2.0
[INFO] [stderr]   Downloaded colored v1.5.2
[INFO] [stderr]   Downloaded params v0.6.0
[INFO] [stderr]   Downloaded clap v2.26.2
[INFO] [stderr]   Downloaded exonum v0.2.0
[INFO] [stderr]   Downloaded exonum_profiler v0.1.1
[INFO] [stderr]   Downloaded exonum_sodiumoxide v0.0.14
[INFO] [stderr]   Downloaded mount v0.3.0
[INFO] [stderr]   Downloaded leveldb-sys v2.0.1
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fee606cbe638f0e072d98c2fe610e66bfdc0a7aafc41b0201c8ff4840c3b2ae0
[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" "fee606cbe638f0e072d98c2fe610e66bfdc0a7aafc41b0201c8ff4840c3b2ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fee606cbe638f0e072d98c2fe610e66bfdc0a7aafc41b0201c8ff4840c3b2ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee606cbe638f0e072d98c2fe610e66bfdc0a7aafc41b0201c8ff4840c3b2ae0", kill_on_drop: false }`
[INFO] [stdout] fee606cbe638f0e072d98c2fe610e66bfdc0a7aafc41b0201c8ff4840c3b2ae0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] dd70b247148b8a56f42235abf61b98eb6e85c8ea24a941df1468d3ae840cef40
[INFO] running `Command { std: "docker" "start" "-a" "dd70b247148b8a56f42235abf61b98eb6e85c8ea24a941df1468d3ae840cef40", 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]    Compiling libc v0.2.30
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling podio v0.1.5
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]    Compiling leveldb-sys v2.0.1
[INFO] [stderr]     Checking buf_redux v0.3.0
[INFO] [stderr]     Checking sequence_trie v0.2.1
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking headers v0.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.5
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking colored v1.5.2
[INFO] [stderr]     Checking exonum_profiler v0.1.1
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking cookie v0.9.1
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling xattr v0.1.11
[INFO] [stderr]    Compiling filetime v0.1.10
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking phf_shared v0.7.21
[INFO] [stderr]     Checking idna v0.1.4
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling tar v0.4.13
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]    Compiling msdos_time v0.1.5
[INFO] [stderr] error: failed to run custom build command for `leveldb-sys v2.0.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/leveldb-sys-8582a2614a510377/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   [build] Started
[INFO] [stderr]   [build] Patching the `build_detect_platform` template
[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" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:161:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55ea647dca50 - std::backtrace_rs::backtrace::libunwind::trace::ha1eabb142084ea37
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55ea647dca50 - std::backtrace_rs::backtrace::trace_unsynchronized::hbb8825661d997281
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55ea647dca50 - std::sys_common::backtrace::_print_fmt::h26d850e2f7183914
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55ea647dca50 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3834b06f68a2b012
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55ea647fb8ec - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x55ea647dae45 - std::io::Write::write_fmt::h9c0c8944a1898139
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x55ea647dec80 - std::sys_common::backtrace::_print::h693c0c2cc41d4d10
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55ea647dec80 - std::sys_common::backtrace::print::h213be73e5670b8ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55ea647dec80 - std::panicking::default_hook::{{closure}}::h2d49a3361cc4e7ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x55ea647de9cc - std::panicking::default_hook::hd41fbdeba93207ba
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x55ea647df2e3 - std::panicking::rust_panic_with_hook::hcab398664b4bd473
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x55ea647deeb9 - std::panicking::begin_panic_handler::{{closure}}::h7512c6f2998ba93d
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x55ea647dcebc - std::sys_common::backtrace::__rust_end_short_backtrace::h1a25d7e7e1864d3d
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55ea647dee79 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x55ea647facf1 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55ea647fab13 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/option.rs:1274
[INFO] [stderr]     16:     0x55ea647ad5bb - core::result::Result<T,E>::unwrap::hd3d6d761494f9b2f
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/result.rs:1005
[INFO] [stderr]     17:     0x55ea647aa501 - build_script_build::main::h13ef5ab147840493
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:161
[INFO] [stderr]     18:     0x55ea647bf3db - core::ops::function::FnOnce::call_once::hbacba0af1af8fac3
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:233
[INFO] [stderr]     19:     0x55ea647bb51e - std::sys_common::backtrace::__rust_begin_short_backtrace::hfad6b9c36db71dc3
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x55ea647af481 - std::rt::lang_start::{{closure}}::h9b8348fbc1e0a740
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x55ea647df6f2 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hde9814ae740a85dc
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:265
[INFO] [stderr]     22:     0x55ea647df6f2 - std::panicking::try::do_call::h3026bab8cd7540d7
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:373
[INFO] [stderr]     23:     0x55ea647df6f2 - std::panicking::try::h852bb5e5a66f7f84
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:337
[INFO] [stderr]     24:     0x55ea647df6f2 - std::panic::catch_unwind::hfeb0f3dddf7c6a72
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panic.rs:394
[INFO] [stderr]     25:     0x55ea647df6f2 - std::rt::lang_start_internal::h32f0ac6e87476559
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x55ea647af457 - std::rt::lang_start::h31da1e401ebd99ef
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x55ea647aafda - main
[INFO] [stderr]     28:     0x7f3be43690b3 - __libc_start_main
[INFO] [stderr]     29:     0x55ea647a30be - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dd70b247148b8a56f42235abf61b98eb6e85c8ea24a941df1468d3ae840cef40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd70b247148b8a56f42235abf61b98eb6e85c8ea24a941df1468d3ae840cef40", kill_on_drop: false }`
[INFO] [stdout] dd70b247148b8a56f42235abf61b98eb6e85c8ea24a941df1468d3ae840cef40