[INFO] cloning repository https://github.com/5830ification/rust-simple-ml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/5830ification/rust-simple-ml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5830ification%2Frust-simple-ml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5830ification%2Frust-simple-ml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a05e04c91a7804be657965e4ca473e7597e7d5ff
[INFO] building 5830ification/rust-simple-ml against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5830ification%2Frust-simple-ml" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/5830ification/rust-simple-ml on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/5830ification/rust-simple-ml
[INFO] finished tweaking git repo https://github.com/5830ification/rust-simple-ml
[INFO] tweaked toml for git repo https://github.com/5830ification/rust-simple-ml written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/5830ification/rust-simple-ml 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1afa4e1f6da64d4128353d4fc55e47940497df6334e2d0231f413e4b496b01fe
[INFO] running `Command { std: "docker" "start" "-a" "1afa4e1f6da64d4128353d4fc55e47940497df6334e2d0231f413e4b496b01fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1afa4e1f6da64d4128353d4fc55e47940497df6334e2d0231f413e4b496b01fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1afa4e1f6da64d4128353d4fc55e47940497df6334e2d0231f413e4b496b01fe", kill_on_drop: false }`
[INFO] [stdout] 1afa4e1f6da64d4128353d4fc55e47940497df6334e2d0231f413e4b496b01fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9788912bd84c9925452e1156949d07e094dd1c62fb8a6ecec88911951757e4f
[INFO] running `Command { std: "docker" "start" "-a" "b9788912bd84c9925452e1156949d07e094dd1c62fb8a6ecec88911951757e4f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling openssl v0.9.20
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling crc-core v0.1.0
[INFO] [stderr]    Compiling serde v1.0.16
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling crc v1.5.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicase v2.0.0
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling tokio-io v0.1.3
[INFO] [stderr]    Compiling mime v0.3.5
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.7
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling relay v0.1.0
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling openssl-sys v0.9.20
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/334963c956d25708feab489a3816ae63f639355d/library/alloc/src/borrow.rs:179:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-core v0.1.10
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr] error: failed to run custom build command for `openssl-sys v0.9.20`
[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/openssl-sys-b89f756101e57747/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_LIB_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_INCLUDE_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_DIR
[INFO] [stderr]   cargo:rustc-link-lib=ssl
[INFO] [stderr]   cargo:rustc-link-lib=crypto
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-E" "/opt/rustwide/target/debug/build/openssl-sys-d97b370aa459dcc7/out/expando.c"
[INFO] [stderr]   exit status: 0
[INFO] [stderr]   cargo:rustc-cfg=osslconf="OPENSSL_NO_SSL3_METHOD"
[INFO] [stderr]   cargo:conf=OPENSSL_NO_SSL3_METHOD
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/openssl-sys-0.9.20/build.rs:497:9:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   This crate is only compatible with OpenSSL 1.0.1, 1.0.2, and 1.1.0, or LibreSSL
[INFO] [stderr]   2.5 and 2.6.0, but a different version of OpenSSL was found. The build is now
[INFO] [stderr]   aborting due to this version mismatch.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e29ee83eb2a - std::backtrace_rs::backtrace::libunwind::trace::hb592e8fae072c7e3
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5e29ee83eb2a - std::backtrace_rs::backtrace::trace_unsynchronized::h8927fd6287254ed0
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5e29ee83eb2a - std::sys::backtrace::_print_fmt::hc83c64bb828feee6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5e29ee83eb2a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h57c3f6132393e01d
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5e29ee8630f3 - core::fmt::rt::Argument::fmt::h4939d14a683ecc7e
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5e29ee8630f3 - core::fmt::write::h5279a33f365588a6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/fmt/mod.rs:1440:21
[INFO] [stderr]      6:     0x5e29ee83b513 - std::io::Write::write_fmt::h439bcb4e9cbc1e1e
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x5e29ee83e972 - std::sys::backtrace::BacktraceLock::print::h08f61ba9b844b4ac
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5e29ee83fc10 - std::panicking::default_hook::{{closure}}::ha7d66a7a8cf0304f
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x5e29ee83f9f0 - std::panicking::default_hook::h130dd4cc4e018e28
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:322:9
[INFO] [stderr]     10:     0x5e29ee8403f2 - std::panicking::rust_panic_with_hook::h429a5d73cf660a69
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:828:13
[INFO] [stderr]     11:     0x5e29ee8402cc - std::panicking::begin_panic::{{closure}}::h544a57f20d0deaaa
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:765:9
[INFO] [stderr]     12:     0x5e29ee83f029 - std::sys::backtrace::__rust_end_short_backtrace::h2bfe62f8472f0e32
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x5e29ee8401d2 - std::panicking::begin_panic::h944c2cc9e47bf19f
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:764:5
[INFO] [stderr]     14:     0x5e29ee7dc3b6 - build_script_build::validate_headers::hec51254f757755ed
[INFO] [stderr]     15:     0x5e29ee7db092 - build_script_build::try_pkg_config::h98e82fda47e0a9cb
[INFO] [stderr]     16:     0x5e29ee7da167 - build_script_build::find_openssl_dir::h3487e06a2a31f455
[INFO] [stderr]     17:     0x5e29ee7d9f18 - build_script_build::main::{{closure}}::h6c6678c7904e9834
[INFO] [stderr]     18:     0x5e29ee7e1fc3 - core::option::Option<T>::unwrap_or_else::h4fdc959aa410b327
[INFO] [stderr]     19:     0x5e29ee7d914f - build_script_build::main::h80dffb6337198f20
[INFO] [stderr]     20:     0x5e29ee7e12b3 - core::ops::function::FnOnce::call_once::h2f14134a2c0554f4
[INFO] [stderr]     21:     0x5e29ee7deb96 - std::sys::backtrace::__rust_begin_short_backtrace::h5fa6658afb4a7b5f
[INFO] [stderr]     22:     0x5e29ee7de9f9 - std::rt::lang_start::{{closure}}::h20abc1374f0c84a5
[INFO] [stderr]     23:     0x5e29ee8376a7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h608e79d482179a73
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x5e29ee8376a7 - std::panicking::try::do_call::h68af151b24870582
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:584:40
[INFO] [stderr]     25:     0x5e29ee8376a7 - std::panicking::try::ha3328a6a71abe6a1
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:547:19
[INFO] [stderr]     26:     0x5e29ee8376a7 - std::panic::catch_unwind::hab25edf77eece0af
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panic.rs:358:14
[INFO] [stderr]     27:     0x5e29ee8376a7 - std::rt::lang_start_internal::{{closure}}::h675ae012d3c7e5f1
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/rt.rs:174:48
[INFO] [stderr]     28:     0x5e29ee8376a7 - std::panicking::try::do_call::h959dd56984007ef9
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:584:40
[INFO] [stderr]     29:     0x5e29ee8376a7 - std::panicking::try::h680ac32c918982f6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:547:19
[INFO] [stderr]     30:     0x5e29ee8376a7 - std::panic::catch_unwind::hdbe022418e45492f
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panic.rs:358:14
[INFO] [stderr]     31:     0x5e29ee8376a7 - std::rt::lang_start_internal::h6fa91857d7bd0472
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/rt.rs:174:20
[INFO] [stderr]     32:     0x5e29ee7de9d7 - std::rt::lang_start::h070ef17ce27f8e05
[INFO] [stderr]     33:     0x5e29ee7ddec5 - main
[INFO] [stderr]     34:     0x73c6b4441d90 - <unknown>
[INFO] [stderr]     35:     0x73c6b4441e40 - __libc_start_main
[INFO] [stderr]     36:     0x5e29ee7d0f25 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b9788912bd84c9925452e1156949d07e094dd1c62fb8a6ecec88911951757e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9788912bd84c9925452e1156949d07e094dd1c62fb8a6ecec88911951757e4f", kill_on_drop: false }`
[INFO] [stdout] b9788912bd84c9925452e1156949d07e094dd1c62fb8a6ecec88911951757e4f
