[INFO] cloning repository https://github.com/ianks/fast_woothee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianks/fast_woothee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianks%2Ffast_woothee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianks%2Ffast_woothee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d8a92c069d29effc19b87c99ef1ee2d7e06023c
[INFO] checking ianks/fast_woothee against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianks%2Ffast_woothee" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianks/fast_woothee on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianks/fast_woothee
[INFO] finished tweaking git repo https://github.com/ianks/fast_woothee
[INFO] tweaked toml for git repo https://github.com/ianks/fast_woothee written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ianks/fast_woothee already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.rutie.feature
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24ecfc4abb8f370a136635ceee80c93938a1b2476a1b7e11e5545a95e4c2ffd8
[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" "24ecfc4abb8f370a136635ceee80c93938a1b2476a1b7e11e5545a95e4c2ffd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24ecfc4abb8f370a136635ceee80c93938a1b2476a1b7e11e5545a95e4c2ffd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ecfc4abb8f370a136635ceee80c93938a1b2476a1b7e11e5545a95e4c2ffd8", kill_on_drop: false }`
[INFO] [stdout] 24ecfc4abb8f370a136635ceee80c93938a1b2476a1b7e11e5545a95e4c2ffd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b8c22f11a7263d6c62626eec47886a70d50f7bb130276ade8536293650b3e5
[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" "c3b8c22f11a7263d6c62626eec47886a70d50f7bb130276ade8536293650b3e5", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.rutie.feature
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling woothee v0.11.0 (https://github.com/woothee/woothee-rust#3d6536fd)
[INFO] [stderr]    Compiling rutie v0.8.1 (https://github.com/danielpclark/rutie#1e59f375)
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr] error: failed to run custom build command for `rutie v0.8.1 (https://github.com/danielpclark/rutie#1e59f375)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rutie-1b682c67d5d27c68/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=/usr/lib
[INFO] [stderr]   cargo:rustc-link-lib=ruby-2.7
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'create_dir_all fail: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', /opt/rustwide/cargo-home/git/checkouts/rutie-c3d636682c313ced/1e59f37/build.rs:179:46
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56316097d7e0 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56316097d7e0 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56316097d7e0 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56316097d7e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56316099b4ec - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x56316097afe5 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x56316097f48b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56316097f48b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56316097f48b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56316097ef61 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56316097fb54 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x56316097f637 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x56316097dcdc - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56316097f599 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x563160945281 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x563160945313 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x56316095f639 - core::result::Result<T,E>::expect::hd9511769ce0c2f7d
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x563160952d81 - build_script_build::ruby_lib_link_name::hd6644f692aaa4a31
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rutie-c3d636682c313ced/1e59f37/build.rs:179:13
[INFO] [stderr]     18:     0x5631609533a9 - build_script_build::dynamic_linker_args::h5f106717e4a34ae3
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rutie-c3d636682c313ced/1e59f37/build.rs:208:47
[INFO] [stderr]     19:     0x56316095284b - build_script_build::use_dylib::h015211c06e81ad94
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rutie-c3d636682c313ced/1e59f37/build.rs:97:5
[INFO] [stderr]     20:     0x563160955699 - build_script_build::main::hef6bf3188e7c1506
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/git/checkouts/rutie-c3d636682c313ced/1e59f37/build.rs:364:26
[INFO] [stderr]     21:     0x56316095bc2b - core::ops::function::FnOnce::call_once::h3ddc1fb95ccfb1c0
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     22:     0x5631609595fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h5994426b46958c99
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     23:     0x5631609507e1 - std::rt::lang_start::{{closure}}::hed6effec310c2216
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/rt.rs:63:18
[INFO] [stderr]     24:     0x56316098005a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcbe5785d54a49ce2
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     25:     0x56316098005a - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     26:     0x56316098005a - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     27:     0x56316098005a - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panic.rs:434:14
[INFO] [stderr]     28:     0x56316098005a - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/rt.rs:45:48
[INFO] [stderr]     29:     0x56316098005a - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     30:     0x56316098005a - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     31:     0x56316098005a - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/panic.rs:434:14
[INFO] [stderr]     32:     0x56316098005a - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/rt.rs:45:20
[INFO] [stderr]     33:     0x5631609507b0 - std::rt::lang_start::h0e870a98364720a7
[INFO] [stderr]                                  at /rustc/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/library/std/src/rt.rs:62:5
[INFO] [stderr]     34:     0x5631609557dc - main
[INFO] [stderr]     35:     0x7f914301c0b3 - __libc_start_main
[INFO] [stderr]     36:     0x5631609459de - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c3b8c22f11a7263d6c62626eec47886a70d50f7bb130276ade8536293650b3e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b8c22f11a7263d6c62626eec47886a70d50f7bb130276ade8536293650b3e5", kill_on_drop: false }`
[INFO] [stdout] c3b8c22f11a7263d6c62626eec47886a70d50f7bb130276ade8536293650b3e5