[INFO] cloning repository https://github.com/shadman1612/minUnitTestHDK [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shadman1612/minUnitTestHDK" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadman1612%2FminUnitTestHDK", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadman1612%2FminUnitTestHDK'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4126cd27ac6c1e09d06d07dd3fb193d4e460877b [INFO] checking shadman1612/minUnitTestHDK against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadman1612%2FminUnitTestHDK" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shadman1612/minUnitTestHDK on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shadman1612/minUnitTestHDK [INFO] finished tweaking git repo https://github.com/shadman1612/minUnitTestHDK [INFO] tweaked toml for git repo https://github.com/shadman1612/minUnitTestHDK written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shadman1612/minUnitTestHDK 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/holochain/lmdb-rs.git` [INFO] [stderr] Updating git submodule `https://github.com/mozilla/lmdb` [INFO] [stderr] Updating git repository `https://github.com/holochain/rkv.git` [INFO] [stderr] Updating git repository `https://github.com/holochain/holochain` [INFO] [stderr] Updating crates.io index [INFO] [stderr] warning: Patch `lmdb-rkv v0.14.0 (https://github.com/holochain/lmdb-rs.git#46043614)` was not used in the crate graph. [INFO] [stderr] Patch `rkv v0.10.4 (https://github.com/holochain/rkv.git?branch=master#6f6b4b5a)` was not used in the crate graph. [INFO] [stderr] Check that the patched package version and available features are compatible [INFO] [stderr] with the dependency requirements. If the patch has a different version from [INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new [INFO] [stderr] version. This may also occur with an optional dependency that is not enabled. [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-segmentation v1.7.1 [INFO] [stderr] Downloaded thiserror-impl v1.0.25 [INFO] [stderr] Downloaded thiserror v1.0.25 [INFO] [stderr] Downloaded treeline v0.1.0 [INFO] [stderr] Downloaded predicates-tree v1.0.2 [INFO] [stderr] Downloaded mockall v0.9.1 [INFO] [stderr] Downloaded derive_arbitrary v1.0.1 [INFO] [stderr] Downloaded http-body v0.4.2 [INFO] [stderr] Downloaded serde_yaml v0.8.17 [INFO] [stderr] Downloaded tokio-macros v1.2.0 [INFO] [stderr] Downloaded downcast v0.10.0 [INFO] [stderr] Downloaded fragile v1.0.0 [INFO] [stderr] Downloaded arbitrary v1.0.1 [INFO] [stderr] Downloaded bit-set v0.2.0 [INFO] [stderr] Downloaded structopt-derive v0.4.14 [INFO] [stderr] Downloaded yasna v0.3.2 [INFO] [stderr] Downloaded chashmap v2.2.2 [INFO] [stderr] Downloaded holochain_wasmer_common v0.0.71 [INFO] [stderr] Downloaded anyhow v1.0.41 [INFO] [stderr] Downloaded parking_lot v0.4.8 [INFO] [stderr] Downloaded pin-project v1.0.7 [INFO] [stderr] Downloaded quinn-proto v0.7.3 [INFO] [stderr] Downloaded tokio v1.7.1 [INFO] [stderr] Downloaded curve25519-dalek v3.1.0 [INFO] [stderr] Downloaded object v0.25.3 [INFO] [stderr] Downloaded hyper v0.14.9 [INFO] [stderr] Downloaded openssl v0.10.35 [INFO] [stderr] Downloaded reqwest v0.11.4 [INFO] [stderr] Downloaded encoding_rs v0.8.28 [INFO] [stderr] Downloaded quick-xml v0.20.0 [INFO] [stderr] Downloaded inferno v0.10.6 [INFO] [stderr] Downloaded opentelemetry v0.8.0 [INFO] [stderr] Downloaded tracing-opentelemetry v0.8.0 [INFO] [stderr] Downloaded libsqlite3-sys v0.22.2 [INFO] [stderr] Downloaded serde_json v1.0.64 [INFO] [stderr] Downloaded libc v0.2.97 [INFO] [stderr] Downloaded mockall v0.8.3 [INFO] [stderr] Downloaded derive_more v0.99.14 [INFO] [stderr] Downloaded num-format v0.4.0 [INFO] [stderr] Downloaded rusqlite v0.25.3 [INFO] [stderr] Downloaded signal-hook v0.3.9 [INFO] [stderr] Downloaded quinn v0.7.2 [INFO] [stderr] Downloaded num-bigint v0.1.44 [INFO] [stderr] Downloaded sysinfo v0.15.9 [INFO] [stderr] Downloaded poly1305 v0.6.2 [INFO] [stderr] Downloaded crypto_box v0.5.0 [INFO] [stderr] Downloaded ghost_actor v0.3.0-alpha.1 [INFO] [stderr] Downloaded rcgen v0.8.5 [INFO] [stderr] Downloaded tokio-stream v0.1.6 [INFO] [stderr] Downloaded mockall_derive v0.8.3 [INFO] [stderr] Downloaded backtrace v0.3.60 [INFO] [stderr] Downloaded tinyvec v1.2.0 [INFO] [stderr] Downloaded ahash v0.6.3 [INFO] [stderr] Downloaded indexmap v1.6.2 [INFO] [stderr] Downloaded cc v1.0.68 [INFO] [stderr] Downloaded holochain_wasmer_guest v0.0.71 [INFO] [stderr] Downloaded async-trait v0.1.50 [INFO] [stderr] Downloaded lair_keystore_client v0.0.1-alpha.12 [INFO] [stderr] Downloaded owning_ref v0.3.3 [INFO] [stderr] Downloaded async-process v1.1.0 [INFO] [stderr] Downloaded if-addrs v0.6.5 [INFO] [stderr] Downloaded gcollections v1.4.0 [INFO] [stderr] Downloaded num-complex v0.1.43 [INFO] [stderr] Downloaded num v0.1.42 [INFO] [stderr] Downloaded intervallum v1.3.0 [INFO] [stderr] Downloaded lru v0.6.5 [INFO] [stderr] Downloaded chacha20 v0.6.0 [INFO] [stderr] Downloaded chacha20poly1305 v0.7.1 [INFO] [stderr] Downloaded salsa20 v0.7.2 [INFO] [stderr] Downloaded xsalsa20poly1305 v0.6.0 [INFO] [stderr] Downloaded pem v0.8.3 [INFO] [stderr] Downloaded lair_keystore_api v0.0.1-alpha.12 [INFO] [stderr] Downloaded pin-project-internal v1.0.7 [INFO] [stderr] Downloaded serde-transcode v1.1.0 [INFO] [stderr] Downloaded rgb v0.8.27 [INFO] [stderr] Downloaded structopt v0.3.21 [INFO] [stderr] Downloaded sharded-slab v0.1.1 [INFO] [stderr] Downloaded observability v0.1.3 [INFO] [stderr] Downloaded siphasher v0.3.5 [INFO] [stderr] Downloaded bloomfilter v1.0.5 [INFO] [stderr] Downloaded libmdns v0.6.0 [INFO] [stderr] Downloaded r2d2_sqlite v0.18.0 [INFO] [stderr] Downloaded native-tls v0.2.7 [INFO] [stderr] Downloaded rmp v0.8.10 [INFO] [stderr] Downloaded unicode-bidi v0.3.5 [INFO] [stderr] Downloaded holochain_serialized_bytes_derive v0.0.50 [INFO] [stderr] Downloaded holochain_serialized_bytes v0.0.50 [INFO] [stderr] Downloaded bytemuck v1.7.0 [INFO] [stderr] Downloaded dunce v1.0.2 [INFO] [stderr] Downloaded const-random-macro v0.1.13 [INFO] [stderr] Downloaded const-random v0.1.13 [INFO] [stderr] Downloaded serde_bytes v0.11.5 [INFO] [stderr] Downloaded mockall_derive v0.9.1 [INFO] [stderr] Downloaded predicates-core v1.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 75ebac63e10fb3f43eb13eb8e8fd3c39c35e415f797434c73249f285d52683b2 [INFO] running `Command { std: "docker" "start" "-a" "75ebac63e10fb3f43eb13eb8e8fd3c39c35e415f797434c73249f285d52683b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75ebac63e10fb3f43eb13eb8e8fd3c39c35e415f797434c73249f285d52683b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75ebac63e10fb3f43eb13eb8e8fd3c39c35e415f797434c73249f285d52683b2", kill_on_drop: false }` [INFO] [stdout] 75ebac63e10fb3f43eb13eb8e8fd3c39c35e415f797434c73249f285d52683b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f64fa212ca242dc3fb380a7967f3a9f751b257136c9f927332e409e79d908160 [INFO] running `Command { std: "docker" "start" "-a" "f64fa212ca242dc3fb380a7967f3a9f751b257136c9f927332e409e79d908160", kill_on_drop: false }` [INFO] [stderr] warning: Patch `lmdb-rkv v0.14.0 (https://github.com/holochain/lmdb-rs.git#46043614)` was not used in the crate graph. [INFO] [stderr] Patch `rkv v0.10.4 (https://github.com/holochain/rkv.git?branch=master#6f6b4b5a)` was not used in the crate graph. [INFO] [stderr] Check that the patched package version and available features are compatible [INFO] [stderr] with the dependency requirements. If the patch has a different version from [INFO] [stderr] what is locked in the Cargo.lock file, run `cargo update` to use the new [INFO] [stderr] version. This may also occur with an optional dependency that is not enabled. [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling tokio v1.7.1 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking rmp v0.8.10 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling ahash v0.6.3 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling const-random-macro v0.1.13 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking subtle v2.4.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking generic-array v0.14.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling libsqlite3-sys v0.22.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking cipher v0.2.5 [INFO] [stderr] Checking const-random v0.1.13 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Checking blake2b_simd v0.5.11 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking universal-hash v0.4.0 [INFO] [stderr] Compiling openssl-sys v0.9.65 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking cpuid-bool v0.2.0 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking bytemuck v1.7.0 [INFO] [stderr] Checking nanoid v0.3.0 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking poly1305 v0.6.2 [INFO] [stderr] Checking dashmap v3.11.10 [INFO] [stderr] Checking rgb v0.8.27 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking num-format v0.4.0 [INFO] [stderr] Checking aead v0.3.2 [INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5 [INFO] [stdout] | [INFO] [stdout] 1155 | fn decode(d: &mut D) -> Result, 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/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/alloc/src/borrow.rs:180:30 [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] Checking digest v0.9.0 [INFO] [stderr] Checking quick-xml v0.20.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Checking fastrand v1.4.1 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking str_stack v0.1.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking hashlink v0.7.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [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 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f64fa212ca242dc3fb380a7967f3a9f751b257136c9f927332e409e79d908160", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f64fa212ca242dc3fb380a7967f3a9f751b257136c9f927332e409e79d908160", kill_on_drop: false }` [INFO] [stdout] f64fa212ca242dc3fb380a7967f3a9f751b257136c9f927332e409e79d908160