[INFO] cloning repository https://github.com/Mec-iS/rust-wasm-python-101
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mec-iS/rust-wasm-python-101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMec-iS%2Frust-wasm-python-101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMec-iS%2Frust-wasm-python-101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5a21420542474f3d665400b30b75f18946a5a48
[INFO] checking Mec-iS/rust-wasm-python-101/a5a21420542474f3d665400b30b75f18946a5a48 against master#fd17deacce374a4185c882795be162e17b557050 for pr-138001
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMec-iS%2Frust-wasm-python-101" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mec-iS/rust-wasm-python-101 on toolchain fd17deacce374a4185c882795be162e17b557050
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mec-iS/rust-wasm-python-101
[INFO] finished tweaking git repo https://github.com/Mec-iS/rust-wasm-python-101
[INFO] tweaked toml for git repo https://github.com/Mec-iS/rust-wasm-python-101 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mec-iS/rust-wasm-python-101 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" "+fd17deacce374a4185c882795be162e17b557050" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.36
[INFO] [stderr]   Downloaded proc-macro2 v0.4.29
[INFO] [stderr]   Downloaded rstar v0.2.0
[INFO] [stderr]   Downloaded rustc_version_runtime v0.1.5
[INFO] [stderr]   Downloaded syn v0.15.33
[INFO] [stderr]   Downloaded geo-types v0.4.2
[INFO] [stderr]   Downloaded geo v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f5f0e0ca6ae605e85174230f0c1190d55e5399af1b037b1f826d8b9de7429fa
[INFO] running `Command { std: "docker" "start" "-a" "8f5f0e0ca6ae605e85174230f0c1190d55e5399af1b037b1f826d8b9de7429fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f5f0e0ca6ae605e85174230f0c1190d55e5399af1b037b1f826d8b9de7429fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5f0e0ca6ae605e85174230f0c1190d55e5399af1b037b1f826d8b9de7429fa", kill_on_drop: false }`
[INFO] [stdout] 8f5f0e0ca6ae605e85174230f0c1190d55e5399af1b037b1f826d8b9de7429fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8098b00b27d91ad2ef5e28965f7c6b109ab1fb21e231baaaaea48d376ba40152
[INFO] running `Command { std: "docker" "start" "-a" "8098b00b27d91ad2ef5e28965f7c6b109ab1fb21e231baaaaea48d376ba40152", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[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/rustc_version_runtime-4cd70691bfc746c2/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc_version_runtime-0.1.5/build.rs:27:48:
[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:     0x5ed0579a5773 - std::backtrace_rs::backtrace::libunwind::trace::hb0302a06003acae9
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ed0579a5773 - std::backtrace_rs::backtrace::trace_unsynchronized::hd61d826aa61a91ce
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ed0579a5773 - std::sys::backtrace::_print_fmt::h4c46686bc21fe799
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5ed0579a5773 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h38d103f25b5fc9da
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5ed0579c6ba3 - core::fmt::rt::Argument::fmt::h68008e169ec118a8
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5ed0579c6ba3 - core::fmt::write::h51e5c982d87d838d
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/core/src/fmt/mod.rs:1449:21
[INFO] [stderr]      6:     0x5ed0579a2e83 - std::io::Write::write_fmt::h24e7c9ef42bcecab
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/io/mod.rs:1890:15
[INFO] [stderr]      7:     0x5ed0579a55c2 - std::sys::backtrace::BacktraceLock::print::h2f36236a0c89f5ad
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5ed0579a650a - std::panicking::default_hook::{{closure}}::hfa3a01d30bf38a16
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panicking.rs:298:22
[INFO] [stderr]      9:     0x5ed0579a637a - std::panicking::default_hook::h73a43ec84dfb2d2e
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panicking.rs:325:9
[INFO] [stderr]     10:     0x5ed0579a6dd2 - std::panicking::rust_panic_with_hook::h7086c047409dd55a
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panicking.rs:831:13
[INFO] [stderr]     11:     0x5ed0579a6c6a - std::panicking::begin_panic_handler::{{closure}}::hbcc7938463cd12bd
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panicking.rs:704:13
[INFO] [stderr]     12:     0x5ed0579a5c69 - std::sys::backtrace::__rust_end_short_backtrace::hf8fc633b7853f6d2
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x5ed0579a68fd - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panicking.rs:695:5
[INFO] [stderr]     14:     0x5ed0579c5df0 - core::panicking::panic_fmt::h416190ca0b61f92d
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x5ed0579c6186 - core::result::unwrap_failed::h21ff7145a7684b52
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/core/src/result.rs:1704:5
[INFO] [stderr]     16:     0x5ed0579729cf - build_script_build::main::h302d96e22bd83776
[INFO] [stderr]     17:     0x5ed057970c73 - core::ops::function::FnOnce::call_once::hf5296f9fa4a024bb
[INFO] [stderr]     18:     0x5ed057970876 - std::sys::backtrace::__rust_begin_short_backtrace::hd7f1ad8aeeba7042
[INFO] [stderr]     19:     0x5ed057970859 - std::rt::lang_start::{{closure}}::h0dc3b665df1d4043
[INFO] [stderr]     20:     0x5ed0579a0360 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hf07a282679b3d40c
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x5ed0579a0360 - std::panicking::try::do_call::h8655451807e5d90f
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panicking.rs:587:40
[INFO] [stderr]     22:     0x5ed0579a0360 - std::panicking::try::h37aeb4e229f84b9b
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panicking.rs:550:19
[INFO] [stderr]     23:     0x5ed0579a0360 - std::panic::catch_unwind::h0322a50cc7e7ee5a
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x5ed0579a0360 - std::rt::lang_start_internal::{{closure}}::h418e22462f02c383
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/rt.rs:168:24
[INFO] [stderr]     25:     0x5ed0579a0360 - std::panicking::try::do_call::h8f6c070182c75d2d
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panicking.rs:587:40
[INFO] [stderr]     26:     0x5ed0579a0360 - std::panicking::try::h86ac1ffb16a52149
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panicking.rs:550:19
[INFO] [stderr]     27:     0x5ed0579a0360 - std::panic::catch_unwind::h443ab3f51556a7f5
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x5ed0579a0360 - std::rt::lang_start_internal::h3c6ad42637ea01cd
[INFO] [stderr]                                  at /rustc/fd17deacce374a4185c882795be162e17b557050/library/std/src/rt.rs:164:5
[INFO] [stderr]     29:     0x5ed057970841 - std::rt::lang_start::h205bf77d38f50d3f
[INFO] [stderr]     30:     0x5ed0579737b5 - main
[INFO] [stderr]     31:     0x7a9e9e058d90 - <unknown>
[INFO] [stderr]     32:     0x7a9e9e058e40 - __libc_start_main
[INFO] [stderr]     33:     0x5ed0579701a5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8098b00b27d91ad2ef5e28965f7c6b109ab1fb21e231baaaaea48d376ba40152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8098b00b27d91ad2ef5e28965f7c6b109ab1fb21e231baaaaea48d376ba40152", kill_on_drop: false }`
[INFO] [stdout] 8098b00b27d91ad2ef5e28965f7c6b109ab1fb21e231baaaaea48d376ba40152