[INFO] cloning repository https://github.com/KeisukeToyota/packet-capture [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeisukeToyota/packet-capture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeisukeToyota%2Fpacket-capture", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeisukeToyota%2Fpacket-capture'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e0e1d22dd642e3b69539e32445e6741732e2f45 [INFO] checking KeisukeToyota/packet-capture against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeisukeToyota%2Fpacket-capture" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KeisukeToyota/packet-capture on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KeisukeToyota/packet-capture [INFO] finished tweaking git repo https://github.com/KeisukeToyota/packet-capture [INFO] tweaked toml for git repo https://github.com/KeisukeToyota/packet-capture written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/KeisukeToyota/packet-capture 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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pnet_sys v0.22.0 [INFO] [stderr] Downloaded ipnetwork v0.14.0 [INFO] [stderr] Downloaded pnet_macros_support v0.22.0 [INFO] [stderr] Downloaded pnet_transport v0.22.0 [INFO] [stderr] Downloaded pnet v0.22.0 [INFO] [stderr] Downloaded pnet_packet v0.22.0 [INFO] [stderr] Downloaded pnet_macros v0.22.0 [INFO] [stderr] Downloaded pnet_datalink v0.22.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d831bc378963eed4f609875ae2b2f336415ee45199e195503796323b46910ff [INFO] running `Command { std: "docker" "start" "-a" "1d831bc378963eed4f609875ae2b2f336415ee45199e195503796323b46910ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d831bc378963eed4f609875ae2b2f336415ee45199e195503796323b46910ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d831bc378963eed4f609875ae2b2f336415ee45199e195503796323b46910ff", kill_on_drop: false }` [INFO] [stdout] 1d831bc378963eed4f609875ae2b2f336415ee45199e195503796323b46910ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c578f5bcf83501a74328a68eeb54c74494696093575c0e84dc65596f60d18c69 [INFO] running `Command { std: "docker" "start" "-a" "c578f5bcf83501a74328a68eeb54c74494696093575c0e84dc65596f60d18c69", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Checking pnet_macros_support v0.22.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling pnet v0.22.0 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Checking pnet_sys v0.22.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking ipnetwork v0.14.0 [INFO] [stderr] Checking pnet_datalink v0.22.0 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.22.0 [INFO] [stderr] Compiling pnet_packet v0.22.0 [INFO] [stderr] Checking pnet_transport v0.22.0 [INFO] [stderr] Checking packet-capture v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:97:25 [INFO] [stdout] | [INFO] [stdout] 97 | fn tcp_handler(packet: &GettableEndPoints) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 97 | fn tcp_handler(packet: &dyn GettableEndPoints) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:97:25 [INFO] [stdout] | [INFO] [stdout] 97 | fn tcp_handler(packet: &GettableEndPoints) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 97 | fn tcp_handler(packet: &dyn GettableEndPoints) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:104:25 [INFO] [stdout] | [INFO] [stdout] 104 | fn udp_handler(packet: &GettableEndPoints) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 104 | fn udp_handler(packet: &dyn GettableEndPoints) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:104:25 [INFO] [stdout] | [INFO] [stdout] 104 | fn udp_handler(packet: &GettableEndPoints) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 104 | fn udp_handler(packet: &dyn GettableEndPoints) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:111:27 [INFO] [stdout] | [INFO] [stdout] 111 | fn print_packet_info(l3: &GettableEndPoints, l4: &GettableEndPoints, proto: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 111 | fn print_packet_info(l3: &dyn GettableEndPoints, l4: &GettableEndPoints, proto: &str) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:111:27 [INFO] [stdout] | [INFO] [stdout] 111 | fn print_packet_info(l3: &GettableEndPoints, l4: &GettableEndPoints, proto: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 111 | fn print_packet_info(l3: &dyn GettableEndPoints, l4: &GettableEndPoints, proto: &str) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:111:51 [INFO] [stdout] | [INFO] [stdout] 111 | fn print_packet_info(l3: &GettableEndPoints, l4: &GettableEndPoints, proto: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 111 | fn print_packet_info(l3: &GettableEndPoints, l4: &dyn GettableEndPoints, proto: &str) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:111:51 [INFO] [stdout] | [INFO] [stdout] 111 | fn print_packet_info(l3: &GettableEndPoints, l4: &GettableEndPoints, proto: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 111 | fn print_packet_info(l3: &GettableEndPoints, l4: &dyn GettableEndPoints, proto: &str) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.12s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: 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 1` [INFO] running `Command { std: "docker" "inspect" "c578f5bcf83501a74328a68eeb54c74494696093575c0e84dc65596f60d18c69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c578f5bcf83501a74328a68eeb54c74494696093575c0e84dc65596f60d18c69", kill_on_drop: false }` [INFO] [stdout] c578f5bcf83501a74328a68eeb54c74494696093575c0e84dc65596f60d18c69 [INFO] checking KeisukeToyota/packet-capture against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeisukeToyota%2Fpacket-capture" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KeisukeToyota/packet-capture on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KeisukeToyota/packet-capture [INFO] finished tweaking git repo https://github.com/KeisukeToyota/packet-capture [INFO] tweaked toml for git repo https://github.com/KeisukeToyota/packet-capture written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/KeisukeToyota/packet-capture 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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff7c7136371058b9f259c1e913e1c444c34ff7c929c0226acca9d0fd487844ca [INFO] running `Command { std: "docker" "start" "-a" "ff7c7136371058b9f259c1e913e1c444c34ff7c929c0226acca9d0fd487844ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff7c7136371058b9f259c1e913e1c444c34ff7c929c0226acca9d0fd487844ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff7c7136371058b9f259c1e913e1c444c34ff7c929c0226acca9d0fd487844ca", kill_on_drop: false }` [INFO] [stdout] ff7c7136371058b9f259c1e913e1c444c34ff7c929c0226acca9d0fd487844ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 740c35b029116be005b2d9351549c78694f4e362c2ef6c621fee8fdce6ad3f7c [INFO] running `Command { std: "docker" "start" "-a" "740c35b029116be005b2d9351549c78694f4e362c2ef6c621fee8fdce6ad3f7c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Checking pnet_macros_support v0.22.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling pnet v0.22.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Compiling log v0.3.9 [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/aa7c6ba69acce8b10a275eabfe6157ea72c8b599/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 aho-corasick v0.6.10 [INFO] [stderr] Checking pnet_sys v0.22.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stdout] error: aborting due to 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" "740c35b029116be005b2d9351549c78694f4e362c2ef6c621fee8fdce6ad3f7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "740c35b029116be005b2d9351549c78694f4e362c2ef6c621fee8fdce6ad3f7c", kill_on_drop: false }` [INFO] [stdout] 740c35b029116be005b2d9351549c78694f4e362c2ef6c621fee8fdce6ad3f7c