[INFO] cloning repository https://github.com/huangbqsky/blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huangbqsky/blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangbqsky%2Fblockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangbqsky%2Fblockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e553869bc27923aa8b591746370f8c2652e224e2 [INFO] testing huangbqsky/blockchain against 1.75.0 for beta-1.76-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangbqsky%2Fblockchain" "/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/huangbqsky/blockchain on toolchain 1.75.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/huangbqsky/blockchain [INFO] finished tweaking git repo https://github.com/huangbqsky/blockchain [INFO] tweaked toml for git repo https://github.com/huangbqsky/blockchain written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/huangbqsky/blockchain 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded db-key v0.0.5 [INFO] [stderr] Downloaded cxxbridge-flags v1.0.90 [INFO] [stderr] Downloaded cxx-build v1.0.90 [INFO] [stderr] Downloaded cxxbridge-macro v1.0.90 [INFO] [stderr] Downloaded ffi-opaque v2.0.1 [INFO] [stderr] Downloaded leveldb v0.8.6 [INFO] [stderr] Downloaded bigint v4.4.3 [INFO] [stderr] Downloaded cxx v1.0.90 [INFO] [stderr] Downloaded leveldb-sys v2.0.9 [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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0316d73416d467edafdc40e106df08ad279965b9ea27349a5f5c2c4b8055653b [INFO] running `Command { std: "docker" "start" "-a" "0316d73416d467edafdc40e106df08ad279965b9ea27349a5f5c2c4b8055653b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0316d73416d467edafdc40e106df08ad279965b9ea27349a5f5c2c4b8055653b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0316d73416d467edafdc40e106df08ad279965b9ea27349a5f5c2c4b8055653b", kill_on_drop: false }` [INFO] [stdout] 0316d73416d467edafdc40e106df08ad279965b9ea27349a5f5c2c4b8055653b [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a62aebcf76f4a3316215314877a7151a01d9d195d742304b6e5e8d58aa0f6410 [INFO] running `Command { std: "docker" "start" "-a" "a62aebcf76f4a3316215314877a7151a01d9d195d742304b6e5e8d58aa0f6410", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling proc-macro2 v1.0.51 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Compiling db-key v0.0.5 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling ffi-opaque v2.0.1 [INFO] [stderr] Compiling iana-time-zone v0.1.53 [INFO] [stderr] Compiling bigint v4.4.3 [INFO] [stderr] Compiling cmake v0.1.49 [INFO] [stderr] Compiling num_cpus v1.15.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling leveldb-sys v2.0.9 [INFO] [stderr] Compiling chrono v0.4.23 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Compiling leveldb v0.8.6 [INFO] [stderr] Compiling core v0.1.0 (/opt/rustwide/workdir/core) [INFO] [stderr] Compiling main v0.1.0 (/opt/rustwide/workdir/main) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.25s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3, rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "a62aebcf76f4a3316215314877a7151a01d9d195d742304b6e5e8d58aa0f6410", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a62aebcf76f4a3316215314877a7151a01d9d195d742304b6e5e8d58aa0f6410", kill_on_drop: false }` [INFO] [stdout] a62aebcf76f4a3316215314877a7151a01d9d195d742304b6e5e8d58aa0f6410 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a88dcdb173ec861b10aa63e3fd9f74fdc47fa4ae2fce57fb946317e9901c31c0 [INFO] running `Command { std: "docker" "start" "-a" "a88dcdb173ec861b10aa63e3fd9f74fdc47fa4ae2fce57fb946317e9901c31c0", kill_on_drop: false }` [INFO] [stderr] Compiling utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Compiling core v0.1.0 (/opt/rustwide/workdir/core) [INFO] [stderr] Compiling main v0.1.0 (/opt/rustwide/workdir/main) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.91s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3, rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "a88dcdb173ec861b10aa63e3fd9f74fdc47fa4ae2fce57fb946317e9901c31c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a88dcdb173ec861b10aa63e3fd9f74fdc47fa4ae2fce57fb946317e9901c31c0", kill_on_drop: false }` [INFO] [stdout] a88dcdb173ec861b10aa63e3fd9f74fdc47fa4ae2fce57fb946317e9901c31c0 [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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a98a243ae0b270d3f7517fc670a4f4af9eea22863a5d20b3a343be05227f5a3f [INFO] running `Command { std: "docker" "start" "-a" "a98a243ae0b270d3f7517fc670a4f4af9eea22863a5d20b3a343be05227f5a3f", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bigint v4.4.3, rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/core-f7698957e4c0c270) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/main-33452cd4696f961f) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utils-06d3a5a5420116ce) [INFO] [stdout] [INFO] [stderr] Doc-tests core [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests utils [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a98a243ae0b270d3f7517fc670a4f4af9eea22863a5d20b3a343be05227f5a3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a98a243ae0b270d3f7517fc670a4f4af9eea22863a5d20b3a343be05227f5a3f", kill_on_drop: false }` [INFO] [stdout] a98a243ae0b270d3f7517fc670a4f4af9eea22863a5d20b3a343be05227f5a3f [INFO] testing huangbqsky/blockchain against beta-2024-01-09 for beta-1.76-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuangbqsky%2Fblockchain" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/huangbqsky/blockchain on toolchain beta-2024-01-09 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/huangbqsky/blockchain [INFO] finished tweaking git repo https://github.com/huangbqsky/blockchain [INFO] tweaked toml for git repo https://github.com/huangbqsky/blockchain written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/huangbqsky/blockchain 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" "+beta-2024-01-09" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d129ae03aae95055e62c5a956cc31c09a96bad88a439d90abf139a4b1e7a6df [INFO] running `Command { std: "docker" "start" "-a" "2d129ae03aae95055e62c5a956cc31c09a96bad88a439d90abf139a4b1e7a6df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d129ae03aae95055e62c5a956cc31c09a96bad88a439d90abf139a4b1e7a6df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d129ae03aae95055e62c5a956cc31c09a96bad88a439d90abf139a4b1e7a6df", kill_on_drop: false }` [INFO] [stdout] 2d129ae03aae95055e62c5a956cc31c09a96bad88a439d90abf139a4b1e7a6df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-01-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3fa7e150924a500ed84f5e6089cb3e79004d046f2fafc24fdd16e47df61f3dbb [INFO] running `Command { std: "docker" "start" "-a" "3fa7e150924a500ed84f5e6089cb3e79004d046f2fafc24fdd16e47df61f3dbb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling proc-macro2 v1.0.51 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Compiling db-key v0.0.5 [INFO] [stderr] Compiling ffi-opaque v2.0.1 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling iana-time-zone v0.1.53 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling rust-crypto v0.2.36 [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/650745ceb2ae60e04f8cd7bfb671fc37239533e4/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] Compiling bigint v4.4.3 [INFO] [stderr] Compiling cmake v0.1.49 [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" "3fa7e150924a500ed84f5e6089cb3e79004d046f2fafc24fdd16e47df61f3dbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fa7e150924a500ed84f5e6089cb3e79004d046f2fafc24fdd16e47df61f3dbb", kill_on_drop: false }` [INFO] [stdout] 3fa7e150924a500ed84f5e6089cb3e79004d046f2fafc24fdd16e47df61f3dbb