[INFO] cloning repository https://github.com/wilbyang/c2server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wilbyang/c2server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilbyang%2Fc2server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilbyang%2Fc2server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2ba2d91b0b1c1a26f30d7e7454bd241da22736a
[INFO] testing wilbyang/c2server against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilbyang%2Fc2server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wilbyang/c2server on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wilbyang/c2server
[INFO] finished tweaking git repo https://github.com/wilbyang/c2server
[INFO] tweaked toml for git repo https://github.com/wilbyang/c2server written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wilbyang/c2server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing wilbyang/c2server against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilbyang%2Fc2server" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wilbyang/c2server on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wilbyang/c2server
[INFO] finished tweaking git repo https://github.com/wilbyang/c2server
[INFO] tweaked toml for git repo https://github.com/wilbyang/c2server written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wilbyang/c2server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 148d170faba15f373f0a6525bb811168cc9424084c4383cf3ea760853b43dda6
[INFO] running `Command { std: "docker" "start" "-a" "148d170faba15f373f0a6525bb811168cc9424084c4383cf3ea760853b43dda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "148d170faba15f373f0a6525bb811168cc9424084c4383cf3ea760853b43dda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148d170faba15f373f0a6525bb811168cc9424084c4383cf3ea760853b43dda6", kill_on_drop: false }`
[INFO] [stdout] 148d170faba15f373f0a6525bb811168cc9424084c4383cf3ea760853b43dda6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff7d8fed17f2c1bf42cb8f0b6d909c5d4ffe2c3a08f1b9dde1e841dc609ef2b
[INFO] running `Command { std: "docker" "start" "-a" "1ff7d8fed17f2c1bf42cb8f0b6d909c5d4ffe2c3a08f1b9dde1e841dc609ef2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling tonic-build v0.5.2
[INFO] [stderr]    Compiling c2rat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `c2rat v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/c2rat-bf9a8bcef5b7ff6c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:5:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557afe2d4e4f - std::backtrace_rs::backtrace::libunwind::trace::h273cca4b4ff52a75
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x557afe2d4e4f - std::backtrace_rs::backtrace::trace_unsynchronized::h0dcaf4eaddc63f4d
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x557afe2d4e4f - std::sys::backtrace::_print_fmt::h99227612ab693c91
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x557afe2d4e4f - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd0fb9a24f673249b
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x557afe2fd9a3 - core::fmt::rt::Argument::fmt::h3790bd73ff49839a
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/fmt/rt.rs:184:76
[INFO] [stderr]      5:     0x557afe2fd9a3 - core::fmt::write::hf7b505e27c2f59c0
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/fmt/mod.rs:1449:21
[INFO] [stderr]      6:     0x557afe2d1ce3 - std::io::Write::write_fmt::h91fb07e7406dd072
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/io/mod.rs:1890:15
[INFO] [stderr]      7:     0x557afe2d4ca2 - std::sys::backtrace::BacktraceLock::print::h5fa244ae2c1a02f2
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x557afe2d5f8f - std::panicking::default_hook::{{closure}}::hd977fe155ed94062
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:298:22
[INFO] [stderr]      9:     0x557afe2d5dfa - std::panicking::default_hook::hf1aee4d1a1a53629
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:325:9
[INFO] [stderr]     10:     0x557afe2d6a83 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h4d850f4eb7d2da54
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/alloc/src/boxed.rs:2030:9
[INFO] [stderr]     11:     0x557afe2d6a83 - std::panicking::rust_panic_with_hook::h8442779a6bb2c045
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:839:13
[INFO] [stderr]     12:     0x557afe2d673a - std::panicking::begin_panic_handler::{{closure}}::h5fc7eacd91180541
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:704:13
[INFO] [stderr]     13:     0x557afe2d5369 - std::sys::backtrace::__rust_end_short_backtrace::h83d61fb88e4c1551
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x557afe2d63cd - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:695:5
[INFO] [stderr]     15:     0x557afe2fbd60 - core::panicking::panic_fmt::hcb1ec5c71ed9d2aa
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x557afe2fc216 - core::result::unwrap_failed::h934cbc059c4c1385
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/result.rs:1704:5
[INFO] [stderr]     17:     0x557afe0ea6aa - build_script_build::main::h272d0d4c6c23cff7
[INFO] [stderr]     18:     0x557afe0e37a3 - core::ops::function::FnOnce::call_once::hc029c709b21d0010
[INFO] [stderr]     19:     0x557afe0e8746 - std::sys::backtrace::__rust_begin_short_backtrace::hfca49697adf33889
[INFO] [stderr]     20:     0x557afe0e86e9 - std::rt::lang_start::{{closure}}::he4c45d893966644d
[INFO] [stderr]     21:     0x557afe2cd040 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h76ae7cb79ceff902
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x557afe2cd040 - std::panicking::try::do_call::h5e9ee0932fb75a19
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:587:40
[INFO] [stderr]     23:     0x557afe2cd040 - std::panicking::try::h0c7eb1d7822f778b
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:550:19
[INFO] [stderr]     24:     0x557afe2cd040 - std::panic::catch_unwind::h1ce14d01400c6656
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panic.rs:358:14
[INFO] [stderr]     25:     0x557afe2cd040 - std::rt::lang_start_internal::{{closure}}::h9a23cd65e99868d2
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/rt.rs:168:24
[INFO] [stderr]     26:     0x557afe2cd040 - std::panicking::try::do_call::h7e63ea5c3daf4623
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:587:40
[INFO] [stderr]     27:     0x557afe2cd040 - std::panicking::try::h07b9cd53e5465fe2
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panicking.rs:550:19
[INFO] [stderr]     28:     0x557afe2cd040 - std::panic::catch_unwind::he4bf53463537070d
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/panic.rs:358:14
[INFO] [stderr]     29:     0x557afe2cd040 - std::rt::lang_start_internal::hf4e0eda8a9fcd00f
[INFO] [stderr]                                  at /rustc/7af779037716ae4125ceabb429791b4cf5dd0a43/library/std/src/rt.rs:164:5
[INFO] [stderr]     30:     0x557afe0e86d1 - std::rt::lang_start::h02c155f1a29592e4
[INFO] [stderr]     31:     0x557afe0ea715 - main
[INFO] [stderr]     32:     0x72541d754d90 - <unknown>
[INFO] [stderr]     33:     0x72541d754e40 - __libc_start_main
[INFO] [stderr]     34:     0x557afe0cb785 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1ff7d8fed17f2c1bf42cb8f0b6d909c5d4ffe2c3a08f1b9dde1e841dc609ef2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff7d8fed17f2c1bf42cb8f0b6d909c5d4ffe2c3a08f1b9dde1e841dc609ef2b", kill_on_drop: false }`
[INFO] [stdout] 1ff7d8fed17f2c1bf42cb8f0b6d909c5d4ffe2c3a08f1b9dde1e841dc609ef2b