[INFO] cloning repository https://github.com/cassm/rustykeys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cassm/rustykeys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassm%2Frustykeys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassm%2Frustykeys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 675c0cc4b894c8e696ad637833634256132db152
[INFO] checking cassm/rustykeys against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassm%2Frustykeys" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cassm/rustykeys
[INFO] finished tweaking git repo https://github.com/cassm/rustykeys
[INFO] tweaked toml for git repo https://github.com/cassm/rustykeys written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cassm/rustykeys on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cassm/rustykeys 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking cassm/rustykeys against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcassm%2Frustykeys" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cassm/rustykeys
[INFO] finished tweaking git repo https://github.com/cassm/rustykeys
[INFO] tweaked toml for git repo https://github.com/cassm/rustykeys written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cassm/rustykeys on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cassm/rustykeys 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "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 portaudio v0.7.0
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded timer v0.1.6
[INFO] [stderr]   Downloaded pitch_calc v0.11.1
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded ordinal v0.2.2
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded clicolors-control v1.0.1
[INFO] [stderr]   Downloaded winmm-sys v0.2.0
[INFO] [stderr]   Downloaded dialoguer v0.5.0
[INFO] [stderr]   Downloaded midir v0.5.0
[INFO] [stderr]   Downloaded coremidi v0.3.1
[INFO] [stderr]   Downloaded console v0.9.1
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] [stderr]   Downloaded alsa v0.2.2
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded chrono v0.4.9
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 396f610405c83c3ea18be42abe260e9b2b091b6ac2ec780d473b1ef762441ad3
[INFO] running `Command { std: "docker" "start" "396f610405c83c3ea18be42abe260e9b2b091b6ac2ec780d473b1ef762441ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "396f610405c83c3ea18be42abe260e9b2b091b6ac2ec780d473b1ef762441ad3", 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" "396f610405c83c3ea18be42abe260e9b2b091b6ac2ec780d473b1ef762441ad3" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "396f610405c83c3ea18be42abe260e9b2b091b6ac2ec780d473b1ef762441ad3", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "396f610405c83c3ea18be42abe260e9b2b091b6ac2ec780d473b1ef762441ad3" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking bitflags v0.3.3
[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/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/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 alsa-sys v0.1.2
[INFO] [stderr]    Compiling portaudio v0.7.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking ordinal v0.2.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr] error: failed to run custom build command for `portaudio v0.7.0`
[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/portaudio/78b02fe5b8315f8e/out/build_script_build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (475) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/portaudio-0.7.0/build.rs:83:23:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e78d8fa7841 - std[7e3a18b272cf1acb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5e78d8fa7841 - std[7e3a18b272cf1acb]::backtrace_rs::backtrace::trace_unsynchronized::<std[7e3a18b272cf1acb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5e78d8fa7841 - std[7e3a18b272cf1acb]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5e78d8fa7841 - <<std[7e3a18b272cf1acb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6d8355b08ae704c6]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5e78d8fba71a - <core[6d8355b08ae704c6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5e78d8fba71a - core[6d8355b08ae704c6]::fmt::write
[INFO] [stderr]      6:     0x5e78d8facb3c - core[6d8355b08ae704c6]::io::write::default_write_fmt::<std[7e3a18b272cf1acb]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x5e78d8facb3c - <std[7e3a18b272cf1acb]::sys::stdio::unix::Stderr as core[6d8355b08ae704c6]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x5e78d8f88486 - <std[7e3a18b272cf1acb]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5e78d8f88486 - std[7e3a18b272cf1acb]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5e78d8fa29f1 - std[7e3a18b272cf1acb]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5e78d8fa2bab - std[7e3a18b272cf1acb]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:815:13
[INFO] [stderr]     12:     0x5e78d8f88532 - std[7e3a18b272cf1acb]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:688:13
[INFO] [stderr]     13:     0x5e78d8f81249 - std[7e3a18b272cf1acb]::sys::backtrace::__rust_end_short_backtrace::<std[7e3a18b272cf1acb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5e78d8f88d1d - __rustc[8de7746e9ac79425]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:679:5
[INFO] [stderr]     15:     0x5e78d8fbaeac - core[6d8355b08ae704c6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e78d8f5caa2 - core[6d8355b08ae704c6]::panicking::panic_display::<core[6d8355b08ae704c6]::io::error::Error>
[INFO] [stderr]     17:     0x5e78d8f5d2a4 - build_script_build[9dfaa5593e2211a8]::unix_platform::build
[INFO] [stderr]     18:     0x5e78d8f5dd06 - build_script_build[9dfaa5593e2211a8]::platform::build
[INFO] [stderr]     19:     0x5e78d8f5d00d - build_script_build[9dfaa5593e2211a8]::build
[INFO] [stderr]     20:     0x5e78d8f5cd40 - build_script_build[9dfaa5593e2211a8]::main
[INFO] [stderr]     21:     0x5e78d8f5dfd3 - <fn() as core[6d8355b08ae704c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     22:     0x5e78d8f5cc46 - std[7e3a18b272cf1acb]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     23:     0x5e78d8f5cc59 - std[7e3a18b272cf1acb]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     24:     0x5e78d8fa1d97 - <&dyn core[6d8355b08ae704c6]::ops::function::Fn<(), Output = i32> + core[6d8355b08ae704c6]::marker::Sync + core[6d8355b08ae704c6]::panic::unwind_safe::RefUnwindSafe as core[6d8355b08ae704c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     25:     0x5e78d8fa1d97 - std[7e3a18b272cf1acb]::panicking::catch_unwind::do_call::<&dyn core[6d8355b08ae704c6]::ops::function::Fn<(), Output = i32> + core[6d8355b08ae704c6]::marker::Sync + core[6d8355b08ae704c6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:576:43
[INFO] [stderr]     26:     0x5e78d8fa1d97 - std[7e3a18b272cf1acb]::panicking::catch_unwind::<i32, &dyn core[6d8355b08ae704c6]::ops::function::Fn<(), Output = i32> + core[6d8355b08ae704c6]::marker::Sync + core[6d8355b08ae704c6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     27:     0x5e78d8fa1d97 - std[7e3a18b272cf1acb]::panic::catch_unwind::<&dyn core[6d8355b08ae704c6]::ops::function::Fn<(), Output = i32> + core[6d8355b08ae704c6]::marker::Sync + core[6d8355b08ae704c6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x5e78d8fa1d97 - std[7e3a18b272cf1acb]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/rt.rs:175:24
[INFO] [stderr]     29:     0x5e78d8fa1d97 - std[7e3a18b272cf1acb]::panicking::catch_unwind::do_call::<std[7e3a18b272cf1acb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:576:43
[INFO] [stderr]     30:     0x5e78d8fa1d97 - std[7e3a18b272cf1acb]::panicking::catch_unwind::<isize, std[7e3a18b272cf1acb]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     31:     0x5e78d8fa1d97 - std[7e3a18b272cf1acb]::panic::catch_unwind::<std[7e3a18b272cf1acb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     32:     0x5e78d8fa1d97 - std[7e3a18b272cf1acb]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6/library/std/src/rt.rs:171:5
[INFO] [stderr]     33:     0x5e78d8f5cbf1 - std[7e3a18b272cf1acb]::rt::lang_start::<()>
[INFO] [stderr]     34:     0x5e78d8f5e015 - main
[INFO] [stderr]     35:     0x7173d74a0601 - <unknown>
[INFO] [stderr]     36:     0x7173d74a0718 - __libc_start_main
[INFO] [stderr]     37:     0x5e78d8f5c785 - _start
[INFO] [stderr]     38:                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" "396f610405c83c3ea18be42abe260e9b2b091b6ac2ec780d473b1ef762441ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396f610405c83c3ea18be42abe260e9b2b091b6ac2ec780d473b1ef762441ad3", kill_on_drop: false }`
[INFO] [stdout] 396f610405c83c3ea18be42abe260e9b2b091b6ac2ec780d473b1ef762441ad3
