[INFO] cloning repository https://github.com/moka491/mio-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moka491/mio-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoka491%2Fmio-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoka491%2Fmio-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 74864be5ba1739ba22ee292c8227ba5f80e30f8c [INFO] checking moka491/mio-rs against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoka491%2Fmio-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/moka491/mio-rs on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/moka491/mio-rs [INFO] finished tweaking git repo https://github.com/moka491/mio-rs [INFO] tweaked toml for git repo https://github.com/moka491/mio-rs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/moka491/mio-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded kankyo v0.2.0 [INFO] [stderr] Downloaded command_attr v0.3.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9bfaf655a74933644eef39c5c5c49c6907b17a4244b7d0367448de20632594a4 [INFO] running `Command { std: "docker" "start" "-a" "9bfaf655a74933644eef39c5c5c49c6907b17a4244b7d0367448de20632594a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9bfaf655a74933644eef39c5c5c49c6907b17a4244b7d0367448de20632594a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bfaf655a74933644eef39c5c5c49c6907b17a4244b7d0367448de20632594a4", kill_on_drop: false }` [INFO] [stdout] 9bfaf655a74933644eef39c5c5c49c6907b17a4244b7d0367448de20632594a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d23b9080b54fe18127af9c1d308adf56a13e62a14cea4c02b600004fbc331181 [INFO] running `Command { std: "docker" "start" "-a" "d23b9080b54fe18127af9c1d308adf56a13e62a14cea4c02b600004fbc331181", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Compiling encoding_rs v0.8.26 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling sysinfo v0.14.15 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling serenity v0.9.3 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking typemap_rev v0.1.4 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking kankyo v0.2.0 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking rustc_version v0.2.3 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-7f783eb8249de367/build-script-build` (exit status: 101) [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/rustc_version_runtime-0.1.5/build.rs:27:48 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a9ab9d7b90 - std::backtrace_rs::backtrace::libunwind::trace::hfa838fc631229987 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55a9ab9d7b90 - std::backtrace_rs::backtrace::trace_unsynchronized::h93a23e36ec026219 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55a9ab9d7b90 - std::sys_common::backtrace::_print_fmt::hba56c7f796a4152f [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55a9ab9d7b90 - ::fmt::h214637f1e26310e1 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55a9ab9f4c4c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x55a9ab9d5c75 - std::io::Write::write_fmt::heb07fc0616bbd06d [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/io/mod.rs:1588:15 [INFO] [stderr] 6: 0x55a9ab9d982b - std::sys_common::backtrace::_print::h2c2441c37e894fb5 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55a9ab9d982b - std::sys_common::backtrace::print::h4fb679ac439362ea [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55a9ab9d982b - std::panicking::default_hook::{{closure}}::h56bbadec2356e5d2 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55a9ab9d9301 - std::panicking::default_hook::hb25822b45f6fdc4e [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55a9ab9d9ef4 - std::panicking::rust_panic_with_hook::h4da5578e7277d2d4 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55a9ab9d99d7 - std::panicking::begin_panic_handler::{{closure}}::h003783ddb3cba4e8 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55a9ab9d806c - std::sys_common::backtrace::__rust_end_short_backtrace::hd138d2032731ed21 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55a9ab9d9939 - rust_begin_unwind [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55a9ab9a3051 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55a9ab9a30e3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55a9ab9a6cee - core::result::Result::unwrap::h34e3fa5d177bbc65 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55a9ab9a434e - build_script_build::main::h1a3af8901628b9de [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17 [INFO] [stderr] 18: 0x55a9ab9a573b - core::ops::function::FnOnce::call_once::h72083cf7e491f71e [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55a9ab9a56ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h8bc89d3017aa2e68 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55a9ab9a54a1 - std::rt::lang_start::{{closure}}::h5dddd8db4cd63f6d [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55a9ab9da3f9 - core::ops::function::impls:: for &F>::call_once::hd933294140eb11aa [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55a9ab9da3f9 - std::panicking::try::do_call::h8342fe3d9218b807 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55a9ab9da3f9 - std::panicking::try::hcbd73d6d0d58a8f0 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55a9ab9da3f9 - std::panic::catch_unwind::hde9cf73f810acfcc [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/panic.rs:434:14 [INFO] [stderr] 25: 0x55a9ab9da3f9 - std::rt::lang_start_internal::heb39e7ea6e5d6f6f [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55a9ab9a5480 - std::rt::lang_start::h8b3c0ac5d99d6725 [INFO] [stderr] at /rustc/8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55a9ab9a544c - main [INFO] [stderr] 28: 0x7f0cdc2e70b3 - __libc_start_main [INFO] [stderr] 29: 0x55a9ab9a37ae - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d23b9080b54fe18127af9c1d308adf56a13e62a14cea4c02b600004fbc331181", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d23b9080b54fe18127af9c1d308adf56a13e62a14cea4c02b600004fbc331181", kill_on_drop: false }` [INFO] [stdout] d23b9080b54fe18127af9c1d308adf56a13e62a14cea4c02b600004fbc331181