[INFO] cloning repository https://github.com/NaokiKimura6/rust-math
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NaokiKimura6/rust-math" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaokiKimura6%2Frust-math", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaokiKimura6%2Frust-math'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ab1934c5074bcd50942b10066578790fe96bbe9
[INFO] checking NaokiKimura6/rust-math against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaokiKimura6%2Frust-math" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/NaokiKimura6/rust-math
[INFO] finished tweaking git repo https://github.com/NaokiKimura6/rust-math
[INFO] tweaked toml for git repo https://github.com/NaokiKimura6/rust-math written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NaokiKimura6/rust-math on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NaokiKimura6/rust-math 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "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 dirs v3.0.1
[INFO] [stderr]   Downloaded smallvec v1.6.0
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded crossterm_winapi v0.6.2
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded crossterm v0.18.2
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded syn v1.0.56
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9d3bcce9a7245f98ec6d32a38b7ebeaaabb573a58bf041766ce150e806f2f70
[INFO] running `Command { std: "docker" "start" "-a" "c9d3bcce9a7245f98ec6d32a38b7ebeaaabb573a58bf041766ce150e806f2f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9d3bcce9a7245f98ec6d32a38b7ebeaaabb573a58bf041766ce150e806f2f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d3bcce9a7245f98ec6d32a38b7ebeaaabb573a58bf041766ce150e806f2f70", kill_on_drop: false }`
[INFO] [stdout] c9d3bcce9a7245f98ec6d32a38b7ebeaaabb573a58bf041766ce150e806f2f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6abfeefda83195633db3215f3aa6a8267084244134367b39b1e50e64ccc0bdfe
[INFO] running `Command { std: "docker" "start" "-a" "6abfeefda83195633db3215f3aa6a8267084244134367b39b1e50e64ccc0bdfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling rc v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr] error: failed to run custom build command for `rc v0.1.5 (/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/rc-e8a32263f95b26b6/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (270) panicked at build.rs:11:42:
[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:     0x60ad019a86f2 - std::backtrace_rs::backtrace::libunwind::trace::h206637f82b46b7dc
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x60ad019a86f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h3976ad84967e3123
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x60ad019a86f2 - std::sys::backtrace::_print_fmt::hb5fb87b62c7b2f18
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x60ad019a86f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hc5bb7b4d63695bc3
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x60ad019b7a1f - core::fmt::rt::Argument::fmt::hc24a1fca03fd68d4
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x60ad019b7a1f - core::fmt::write::h1958c24f03c85e24
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x60ad0197fca3 - std::io::default_write_fmt::h19cb4bf06e7d88bd
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x60ad0197fca3 - std::io::Write::write_fmt::hc8cc305060bcfd3f
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x60ad01988c32 - std::sys::backtrace::BacktraceLock::print::hcf55b98d18b6f1bf
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x60ad0198a7ac - std::panicking::default_hook::{{closure}}::h52eefba173118bba
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x60ad0198a606 - std::panicking::default_hook::h3f502b709f6cbf4d
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x60ad0198ad85 - std::panicking::panic_with_hook::hc1441e1d24a508c3
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x60ad0198ac1a - std::panicking::panic_handler::{{closure}}::h29853dba03c9bc9e
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x60ad01988d69 - std::sys::backtrace::__rust_end_short_backtrace::hd158792980322576
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x60ad0197448d - __rustc[338a22bb0212c495]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x60ad019badd0 - core::panicking::panic_fmt::h7bc056f02c504119
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x60ad019ba656 - core::result::unwrap_failed::haadb1da5f80f5c33
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x60ad0196ccfd - build_script_build::main::h6ddb33c2e5c01f46
[INFO] [stderr]     18:     0x60ad0196db13 - core::ops::function::FnOnce::call_once::h2dc98ae090603ec6
[INFO] [stderr]     19:     0x60ad01971676 - std::sys::backtrace::__rust_begin_short_backtrace::ha47e333befda5c40
[INFO] [stderr]     20:     0x60ad01971559 - std::rt::lang_start::{{closure}}::h932014e986544c2a
[INFO] [stderr]     21:     0x60ad01980e80 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2835b4bdda9b82e7
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x60ad01980e80 - std::panicking::catch_unwind::do_call::hb335d4290a71c712
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x60ad01980e80 - std::panicking::catch_unwind::heba81ee2026ba5b7
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x60ad01980e80 - std::panic::catch_unwind::h451eb4c74711d51f
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x60ad01980e80 - std::rt::lang_start_internal::{{closure}}::h0b09883e9ff8be3f
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x60ad01980e80 - std::panicking::catch_unwind::do_call::h89b85e9b1720b626
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x60ad01980e80 - std::panicking::catch_unwind::h00f8d4d73de90e85
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x60ad01980e80 - std::panic::catch_unwind::h5fcbbc4d70d55c02
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x60ad01980e80 - std::rt::lang_start_internal::h264c9875920ac890
[INFO] [stderr]                                  at /rustc/ed606620234c6b50f2414162c4bbabd5f4a925f3/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x60ad01971541 - std::rt::lang_start::hd28b959dc1a907ba
[INFO] [stderr]     31:     0x60ad01971085 - main
[INFO] [stderr]     32:     0x7844f24ed1ca - <unknown>
[INFO] [stderr]     33:     0x7844f24ed28b - __libc_start_main
[INFO] [stderr]     34:     0x60ad0196c835 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6abfeefda83195633db3215f3aa6a8267084244134367b39b1e50e64ccc0bdfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abfeefda83195633db3215f3aa6a8267084244134367b39b1e50e64ccc0bdfe", kill_on_drop: false }`
[INFO] [stdout] 6abfeefda83195633db3215f3aa6a8267084244134367b39b1e50e64ccc0bdfe