[INFO] cloning repository https://github.com/adrianreber/mirrorlist-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adrianreber/mirrorlist-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrianreber%2Fmirrorlist-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrianreber%2Fmirrorlist-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b4fdc6b2a636cec97ee3ee753521269ae615458
[INFO] checking adrianreber/mirrorlist-server against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrianreber%2Fmirrorlist-server" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adrianreber/mirrorlist-server 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/adrianreber/mirrorlist-server
[INFO] finished tweaking git repo https://github.com/adrianreber/mirrorlist-server
[INFO] tweaked toml for git repo https://github.com/adrianreber/mirrorlist-server written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/adrianreber/mirrorlist-server 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]  Downloading crates ...
[INFO] [stderr]   Downloaded dns-lookup v1.0.3
[INFO] [stderr]   Downloaded tracing v0.1.9
[INFO] [stderr]   Downloaded vcpkg v0.2.9
[INFO] [stderr]   Downloaded console v0.12.0
[INFO] [stderr]   Downloaded maxminddb v0.14.0
[INFO] [stderr]   Downloaded protobuf v2.14.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.14.0
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.14.0
[INFO] [stderr]   Downloaded treebitmap v0.4.0
[INFO] [stderr]   Downloaded ipnetwork v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f5605625dbd20611db6d68123edd0c851d763f292074d6aeece9b66a5381b37c
[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" "f5605625dbd20611db6d68123edd0c851d763f292074d6aeece9b66a5381b37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5605625dbd20611db6d68123edd0c851d763f292074d6aeece9b66a5381b37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5605625dbd20611db6d68123edd0c851d763f292074d6aeece9b66a5381b37c", kill_on_drop: false }`
[INFO] [stdout] f5605625dbd20611db6d68123edd0c851d763f292074d6aeece9b66a5381b37c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 7f7dc845c8aaa6dbf8409f8e52569369e9a6fc4afc6b289476c96e66a5a3295d
[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" "7f7dc845c8aaa6dbf8409f8e52569369e9a6fc4afc6b289476c96e66a5a3295d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking treebitmap v0.4.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dns-lookup v1.0.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling protobuf-codegen v2.14.0
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.14.0
[INFO] [stderr]    Compiling mirrorlist-server v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mirrorlist-server v3.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mirrorlist-server-2f018734d287b2ce/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Codegen failed.: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:9:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x565416cd16d0 - std::backtrace_rs::backtrace::libunwind::trace::ha1eabb142084ea37
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x565416cd16d0 - std::backtrace_rs::backtrace::trace_unsynchronized::hbb8825661d997281
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x565416cd16d0 - std::sys_common::backtrace::_print_fmt::h26d850e2f7183914
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x565416cd16d0 - <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:     0x565416cf174c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x565416ccfcb5 - std::io::Write::write_fmt::h9c0c8944a1898139
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x565416cd3850 - std::sys_common::backtrace::_print::h693c0c2cc41d4d10
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x565416cd3850 - std::sys_common::backtrace::print::h213be73e5670b8ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x565416cd3850 - std::panicking::default_hook::{{closure}}::h2d49a3361cc4e7ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x565416cd359c - std::panicking::default_hook::hd41fbdeba93207ba
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x565416cd3eb3 - std::panicking::rust_panic_with_hook::hcab398664b4bd473
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x565416cd3a89 - std::panicking::begin_panic_handler::{{closure}}::h7512c6f2998ba93d
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x565416cd1b3c - 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:     0x565416cd3a49 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x565416cef6b1 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x565416cef4d3 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/option.rs:1274
[INFO] [stderr]     16:     0x565416a3da2f - core::result::Result<T,E>::expect::h033a346c408f29ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/result.rs:963
[INFO] [stderr]     17:     0x565416a3d8c3 - build_script_build::main::h03b6552701b6914d
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4
[INFO] [stderr]     18:     0x565416a3cf8b - core::ops::function::FnOnce::call_once::ha04909e6f34410dc
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:233
[INFO] [stderr]     19:     0x565416a3cdce - std::sys_common::backtrace::__rust_begin_short_backtrace::h1e594abcc924f8d3
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x565416a3d991 - std::rt::lang_start::{{closure}}::hbc95472853b85525
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x565416cd42c2 - 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:     0x565416cd42c2 - std::panicking::try::do_call::h3026bab8cd7540d7
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:373
[INFO] [stderr]     23:     0x565416cd42c2 - std::panicking::try::h852bb5e5a66f7f84
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:337
[INFO] [stderr]     24:     0x565416cd42c2 - std::panic::catch_unwind::hfeb0f3dddf7c6a72
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panic.rs:394
[INFO] [stderr]     25:     0x565416cd42c2 - std::rt::lang_start_internal::h32f0ac6e87476559
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x565416a3d967 - std::rt::lang_start::hc155490e1fee0b3f
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x565416a3d91a - main
[INFO] [stderr]     28:     0x7fdce30100b3 - __libc_start_main
[INFO] [stderr]     29:     0x565416a3c0be - _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" "7f7dc845c8aaa6dbf8409f8e52569369e9a6fc4afc6b289476c96e66a5a3295d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7dc845c8aaa6dbf8409f8e52569369e9a6fc4afc6b289476c96e66a5a3295d", kill_on_drop: false }`
[INFO] [stdout] 7f7dc845c8aaa6dbf8409f8e52569369e9a6fc4afc6b289476c96e66a5a3295d