[INFO] cloning repository https://github.com/Belval/seal-bindgen-test-case
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Belval/seal-bindgen-test-case" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBelval%2Fseal-bindgen-test-case", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBelval%2Fseal-bindgen-test-case'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] becbd830ac5028d1c65b3acaa3f2984b46f73444
[INFO] checking Belval/seal-bindgen-test-case against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBelval%2Fseal-bindgen-test-case" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Belval/seal-bindgen-test-case on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Belval/seal-bindgen-test-case
[INFO] finished tweaking git repo https://github.com/Belval/seal-bindgen-test-case
[INFO] tweaked toml for git repo https://github.com/Belval/seal-bindgen-test-case written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Belval/seal-bindgen-test-case already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c19948b97fea8b4fa6a480387618a85531c34c7fb7736adb4877d8461329ec01
[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" "c19948b97fea8b4fa6a480387618a85531c34c7fb7736adb4877d8461329ec01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c19948b97fea8b4fa6a480387618a85531c34c7fb7736adb4877d8461329ec01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c19948b97fea8b4fa6a480387618a85531c34c7fb7736adb4877d8461329ec01", kill_on_drop: false }`
[INFO] [stdout] c19948b97fea8b4fa6a480387618a85531c34c7fb7736adb4877d8461329ec01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f55b29e575bd61efc959764ecd552a110e330b1983a2e756c5fd4a75dd7e075
[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" "5f55b29e575bd61efc959764ecd552a110e330b1983a2e756c5fd4a75dd7e075", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling bindgen v0.42.3
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling cexpr v0.3.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling seal-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]   --> build.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::process::Command;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `git2::Repository`
[INFO] [stdout]   --> build.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use git2::Repository;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `out_path`
[INFO] [stdout]   --> build.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let out_path = PathBuf::from("./src/");
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_out_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> build.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut bindings_string = bindings
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> build.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     file.write_all(bindings_string.as_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> build.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     file.sync_data();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: ./seal/src/seal/context.cpp: In constructor 'seal::SEALContext::SEALContext(seal::EncryptionParameters, bool, seal::MemoryPoolHandle)':
[INFO] [stderr] warning: ./seal/src/seal/context.cpp:14:63: warning: unused parameter 'expand_mod_chain' [-Wunused-parameter]
[INFO] [stderr] warning:    14 |     SEALContext::SEALContext(EncryptionParameters parms, bool expand_mod_chain,
[INFO] [stderr] warning:       |                                                          ~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `seal-rs v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/seal-rs-8707de3fe3df0926/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "./seal/src" "-Wall" "-Wextra" "-std=c++17" "-march=native" "-fkeep-inline-functions" "-fno-inline-functions" "-o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/context.o" "-c" "./seal/src/seal/context.cpp"
[INFO] [stderr]   cargo:warning=./seal/src/seal/context.cpp: In constructor 'seal::SEALContext::SEALContext(seal::EncryptionParameters, bool, seal::MemoryPoolHandle)':
[INFO] [stderr]   cargo:warning=./seal/src/seal/context.cpp:14:63: warning: unused parameter 'expand_mod_chain' [-Wunused-parameter]
[INFO] [stderr]   cargo:warning=   14 |     SEALContext::SEALContext(EncryptionParameters parms, bool expand_mod_chain,
[INFO] [stderr]   cargo:warning=      |                                                          ~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "./seal/src" "-Wall" "-Wextra" "-std=c++17" "-march=native" "-fkeep-inline-functions" "-fno-inline-functions" "-o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/randomgen.o" "-c" "./seal/src/seal/randomgen.cpp"
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "./seal/src" "-Wall" "-Wextra" "-std=c++17" "-march=native" "-fkeep-inline-functions" "-fno-inline-functions" "-o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/memorymanager.o" "-c" "./seal/src/seal/memorymanager.cpp"
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "./seal/src" "-Wall" "-Wextra" "-std=c++17" "-march=native" "-fkeep-inline-functions" "-fno-inline-functions" "-o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/smallmodulus.o" "-c" "./seal/src/seal/smallmodulus.cpp"
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "./seal/src" "-Wall" "-Wextra" "-std=c++17" "-march=native" "-fkeep-inline-functions" "-fno-inline-functions" "-o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/util/uintcore.o" "-c" "./seal/src/seal/util/uintcore.cpp"
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "./seal/src" "-Wall" "-Wextra" "-std=c++17" "-march=native" "-fkeep-inline-functions" "-fno-inline-functions" "-o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/util/mempool.o" "-c" "./seal/src/seal/util/mempool.cpp"
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "./seal/src" "-Wall" "-Wextra" "-std=c++17" "-march=native" "-fkeep-inline-functions" "-fno-inline-functions" "-o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/util/uintarith.o" "-c" "./seal/src/seal/util/uintarith.cpp"
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "./seal/src" "-Wall" "-Wextra" "-std=c++17" "-march=native" "-fkeep-inline-functions" "-fno-inline-functions" "-o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/util/globals.o" "-c" "./seal/src/seal/util/globals.cpp"
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "./seal/src" "-Wall" "-Wextra" "-std=c++17" "-march=native" "-fkeep-inline-functions" "-fno-inline-functions" "-o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/util/aes.o" "-c" "./seal/src/seal/util/aes.cpp"
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   AR_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   AR_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_AR = None
[INFO] [stderr]   AR = None
[INFO] [stderr]   running: "ar" "crs" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/libseal.a" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/context.o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/randomgen.o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/memorymanager.o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/smallmodulus.o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/util/uintcore.o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/util/mempool.o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/util/uintarith.o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/util/globals.o" "/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out/./seal/src/seal/util/aes.o"
[INFO] [stderr]   exit code: 0
[INFO] [stderr]   cargo:rustc-link-lib=static=seal
[INFO] [stderr]   cargo:rustc-link-search=native=/opt/rustwide/target/debug/build/seal-rs-56400fc519eab491/out
[INFO] [stderr]   CXXSTDLIB_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXSTDLIB_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXSTDLIB = None
[INFO] [stderr]   CXXSTDLIB = None
[INFO] [stderr]   cargo:rustc-link-lib=stdc++
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   ./seal/src/seal/seal.h:4:9: warning: #pragma once in main file [-Wpragma-once-outside-header], err: false
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'cfbc6d4cf1acbac5c025acf8ed68929caa551df3'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3`
[INFO] [stderr]   Custom { kind: Other, error: "Internal rustfmt error" }
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:52:58
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x561e9b798fd5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x561e9b798fd5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x561e9b798fd5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x561e9b798fd5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x561e9b7c428c - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x561e9b794be2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x561e9b79b7b0 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x561e9b79b7b0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x561e9b79b7b0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x561e9b79b4fc - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x561e9b79bdf3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x561e9b79b9eb - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x561e9b7c2941 - core::panicking::panic_fmt::h17139c2000299725
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x561e9b7c2763 - core::option::expect_none_failed::h972f96abb4ec8952
[INFO] [stderr]                                  at src/libcore/option.rs:1269
[INFO] [stderr]     14:     0x561e9b7729db - core::result::Result<T,E>::unwrap::he1ca860bce66ab1a
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libcore/result.rs:1005
[INFO] [stderr]     15:     0x561e9b227aa0 - build_script_build::main::h312bbe1a475aac8a
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:52
[INFO] [stderr]     16:     0x561e9b228a3b - std::rt::lang_start::{{closure}}::h0e0723ce78fb092f
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x561e9b79c1c3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x561e9b79c1c3 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x561e9b79c1c3 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x561e9b79c1c3 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x561e9b79c1c3 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x561e9b228a17 - std::rt::lang_start::h4a247281beda05ad
[INFO] [stderr]                                  at /rustc/cfbc6d4cf1acbac5c025acf8ed68929caa551df3/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x561e9b2280ca - main
[INFO] [stderr]     24:     0x7f005e2b30b3 - __libc_start_main
[INFO] [stderr]     25:     0x561e9b2271be - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "5f55b29e575bd61efc959764ecd552a110e330b1983a2e756c5fd4a75dd7e075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f55b29e575bd61efc959764ecd552a110e330b1983a2e756c5fd4a75dd7e075", kill_on_drop: false }`
[INFO] [stdout] 5f55b29e575bd61efc959764ecd552a110e330b1983a2e756c5fd4a75dd7e075
