[INFO] fetching crate sawtk 0.2.0...
[INFO] testing sawtk-0.2.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate sawtk 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate sawtk 0.2.0
[INFO] finished tweaking crates.io crate sawtk 0.2.0
[INFO] tweaked toml for crates.io crate sawtk 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sawtk 0.2.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sawtk 0.2.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 73b9f207f9ef892e3220049dca87b8cb5e2931d95b83db15aeffa5a45dda8728
[INFO] running `Command { std: "docker" "start" "73b9f207f9ef892e3220049dca87b8cb5e2931d95b83db15aeffa5a45dda8728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73b9f207f9ef892e3220049dca87b8cb5e2931d95b83db15aeffa5a45dda8728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "73b9f207f9ef892e3220049dca87b8cb5e2931d95b83db15aeffa5a45dda8728" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73b9f207f9ef892e3220049dca87b8cb5e2931d95b83db15aeffa5a45dda8728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "73b9f207f9ef892e3220049dca87b8cb5e2931d95b83db15aeffa5a45dda8728" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling secp256k1 v0.7.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/alloc/src/borrow.rs:169:29
[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 c2-chacha v0.2.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling ripemd160 v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr] warning: openssl-sys@0.9.52: build/expando.c:4:24: error: pasting "RUST_VERSION_OPENSSL_" and "(" does not give a valid preprocessing token
[INFO] [stderr] warning: openssl-sys@0.9.52:     4 | #define VERSION2(n, v) RUST_VERSION_##n##_##v
[INFO] [stderr] warning: openssl-sys@0.9.52:       |                        ^~~~~~~~~~~~~
[INFO] [stderr] warning: openssl-sys@0.9.52: build/expando.c:5:23: note: in expansion of macro 'VERSION2'
[INFO] [stderr] warning: openssl-sys@0.9.52:     5 | #define VERSION(n, v) VERSION2(n, v)
[INFO] [stderr] warning: openssl-sys@0.9.52:       |                       ^~~~~~~~
[INFO] [stderr] warning: openssl-sys@0.9.52: build/expando.c:10:1: note: in expansion of macro 'VERSION'
[INFO] [stderr] warning: openssl-sys@0.9.52:    10 | VERSION(OPENSSL, OPENSSL_VERSION_NUMBER)
[INFO] [stderr] warning: openssl-sys@0.9.52:       | ^~~~~~~
[INFO] [stderr] error: failed to run custom build command for `openssl-sys v0.9.52`
[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/4c86aaecfdc1c20e/out/build_script_main` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-cfg=const_fn
[INFO] [stderr]   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR
[INFO] [stderr]   X86_64_UNKNOWN_LINUX_GNU_OPENSSL_LIB_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_LIB_DIR
[INFO] [stderr]   OPENSSL_LIB_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR
[INFO] [stderr]   X86_64_UNKNOWN_LINUX_GNU_OPENSSL_INCLUDE_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_INCLUDE_DIR
[INFO] [stderr]   OPENSSL_INCLUDE_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=X86_64_UNKNOWN_LINUX_GNU_OPENSSL_DIR
[INFO] [stderr]   X86_64_UNKNOWN_LINUX_GNU_OPENSSL_DIR unset
[INFO] [stderr]   cargo:rerun-if-env-changed=OPENSSL_DIR
[INFO] [stderr]   OPENSSL_DIR unset
[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]   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]   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]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "/usr/include" "-Wall" "-Wextra" "-E" "build/expando.c"
[INFO] [stderr]   cargo:warning=build/expando.c:4:24: error: pasting "RUST_VERSION_OPENSSL_" and "(" does not give a valid preprocessing token
[INFO] [stderr]   cargo:warning=    4 | #define VERSION2(n, v) RUST_VERSION_##n##_##v
[INFO] [stderr]   cargo:warning=      |                        ^~~~~~~~~~~~~
[INFO] [stderr]   cargo:warning=build/expando.c:5:23: note: in expansion of macro 'VERSION2'
[INFO] [stderr]   cargo:warning=    5 | #define VERSION(n, v) VERSION2(n, v)
[INFO] [stderr]   cargo:warning=      |                       ^~~~~~~~
[INFO] [stderr]   cargo:warning=build/expando.c:10:1: note: in expansion of macro 'VERSION'
[INFO] [stderr]   cargo:warning=   10 | VERSION(OPENSSL, OPENSSL_VERSION_NUMBER)
[INFO] [stderr]   cargo:warning=      | ^~~~~~~
[INFO] [stderr]   exit status: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (921) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/openssl-sys-0.9.52/build/main.rs:126:13:
[INFO] [stderr] 
[INFO] [stderr]   Header expansion error:
[INFO] [stderr]   Error { kind: ToolExecError, message: "Command \"cc\" \"-O0\" \"-ffunction-sections\" \"-fdata-sections\" \"-fPIC\" \"-g\" \"-fno-omit-frame-pointer\" \"-m64\" \"-I\" \"/usr/include\" \"-Wall\" \"-Wextra\" \"-E\" \"build/expando.c\" with args \"cc\" did not execute successfully (status code exit status: 1)." }
[INFO] [stderr] 
[INFO] [stderr]   Failed to find OpenSSL development headers.
[INFO] [stderr] 
[INFO] [stderr]   You can try fixing this setting the `OPENSSL_DIR` environment variable
[INFO] [stderr]   pointing to your OpenSSL installation or installing OpenSSL headers package
[INFO] [stderr]   specific to your distribution:
[INFO] [stderr] 
[INFO] [stderr]       # On Ubuntu
[INFO] [stderr]       sudo apt-get install libssl-dev
[INFO] [stderr]       # On Arch Linux
[INFO] [stderr]       sudo pacman -S openssl
[INFO] [stderr]       # On Fedora
[INFO] [stderr]       sudo dnf install openssl-devel
[INFO] [stderr] 
[INFO] [stderr]   See rust-openssl README for more information:
[INFO] [stderr] 
[INFO] [stderr]       https://github.com/sfackler/rust-openssl#linux
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ad9bf537bc1 - std[617be2ca0a6fd877]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ad9bf537bc1 - std[617be2ca0a6fd877]::backtrace_rs::backtrace::trace_unsynchronized::<std[617be2ca0a6fd877]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ad9bf537bc1 - std[617be2ca0a6fd877]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5ad9bf537bc1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5ad9bf54c1da - <core[a373ad73a504971]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5ad9bf54c1da - core[a373ad73a504971]::fmt::write
[INFO] [stderr]      6:     0x5ad9bf53d8fc - core[a373ad73a504971]::io::write::default_write_fmt::<std[617be2ca0a6fd877]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x5ad9bf53d8fc - <std[617be2ca0a6fd877]::sys::stdio::unix::Stderr as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x5ad9bf5170d6 - <std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5ad9bf5170d6 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:289:27
[INFO] [stderr]     10:     0x5ad9bf532731 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:316:9
[INFO] [stderr]     11:     0x5ad9bf5328eb - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:811:13
[INFO] [stderr]     12:     0x5ad9bf517182 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:685:13
[INFO] [stderr]     13:     0x5ad9bf50fb89 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5ad9bf517a5d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:676:5
[INFO] [stderr]     15:     0x5ad9bf54c9ac - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5ad9bf4a9352 - build_script_main[a1303188bfc57c10]::validate_headers
[INFO] [stderr]     17:     0x5ad9bf4ace03 - build_script_main[a1303188bfc57c10]::find::try_pkg_config
[INFO] [stderr]     18:     0x5ad9bf4ad1c8 - build_script_main[a1303188bfc57c10]::find::find_openssl_dir
[INFO] [stderr]     19:     0x5ad9bf4a7767 - build_script_main[a1303188bfc57c10]::find::get_openssl::{closure#0}
[INFO] [stderr]     20:     0x5ad9bf4a5bb0 - <core[a373ad73a504971]::option::Option<std[617be2ca0a6fd877]::ffi::os_str::OsString>>::unwrap_or_else::<build_script_main[a1303188bfc57c10]::find::get_openssl::{closure#0}>
[INFO] [stderr]     21:     0x5ad9bf4ac6ff - build_script_main[a1303188bfc57c10]::find::get_openssl
[INFO] [stderr]     22:     0x5ad9bf4a9969 - build_script_main[a1303188bfc57c10]::main
[INFO] [stderr]     23:     0x5ad9bf4af943 - <fn() as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     24:     0x5ad9bf4a6466 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     25:     0x5ad9bf4a6b99 - std[617be2ca0a6fd877]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     26:     0x5ad9bf531b38 - <&dyn core[a373ad73a504971]::ops::function::Fn<(), Output = i32> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::panic::unwind_safe::RefUnwindSafe as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     27:     0x5ad9bf531b38 - std[617be2ca0a6fd877]::panicking::catch_unwind::do_call::<&dyn core[a373ad73a504971]::ops::function::Fn<(), Output = i32> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:573:43
[INFO] [stderr]     28:     0x5ad9bf531b38 - std[617be2ca0a6fd877]::panicking::catch_unwind::<i32, &dyn core[a373ad73a504971]::ops::function::Fn<(), Output = i32> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:541:19
[INFO] [stderr]     29:     0x5ad9bf531b38 - std[617be2ca0a6fd877]::panic::catch_unwind::<&dyn core[a373ad73a504971]::ops::function::Fn<(), Output = i32> + core[a373ad73a504971]::marker::Sync + core[a373ad73a504971]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x5ad9bf531b38 - std[617be2ca0a6fd877]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/rt.rs:175:24
[INFO] [stderr]     31:     0x5ad9bf531b38 - std[617be2ca0a6fd877]::panicking::catch_unwind::do_call::<std[617be2ca0a6fd877]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:573:43
[INFO] [stderr]     32:     0x5ad9bf531b38 - std[617be2ca0a6fd877]::panicking::catch_unwind::<isize, std[617be2ca0a6fd877]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panicking.rs:541:19
[INFO] [stderr]     33:     0x5ad9bf531b38 - std[617be2ca0a6fd877]::panic::catch_unwind::<std[617be2ca0a6fd877]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/panic.rs:359:14
[INFO] [stderr]     34:     0x5ad9bf531b38 - std[617be2ca0a6fd877]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/std/src/rt.rs:171:5
[INFO] [stderr]     35:     0x5ad9bf4a6161 - std[617be2ca0a6fd877]::rt::lang_start::<()>
[INFO] [stderr]     36:     0x5ad9bf4afaf5 - main
[INFO] [stderr]     37:     0x7d078cfd8601 - <unknown>
[INFO] [stderr]     38:     0x7d078cfd8718 - __libc_start_main
[INFO] [stderr]     39:     0x5ad9bf4a5865 - _start
[INFO] [stderr]     40:                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" "73b9f207f9ef892e3220049dca87b8cb5e2931d95b83db15aeffa5a45dda8728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b9f207f9ef892e3220049dca87b8cb5e2931d95b83db15aeffa5a45dda8728", kill_on_drop: false }`
[INFO] [stdout] 73b9f207f9ef892e3220049dca87b8cb5e2931d95b83db15aeffa5a45dda8728
