[INFO] fetching crate wfst 0.6.0... [INFO] checking wfst-0.6.0 against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] extracting crate wfst 0.6.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate wfst 0.6.0 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 crates.io crate wfst 0.6.0 [INFO] finished tweaking crates.io crate wfst 0.6.0 [INFO] tweaked toml for crates.io crate wfst 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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 bincode v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b94ad1fa5ecae215e87b7bdd821bb1aea0e47011943693e5aa5388a929366de7 [INFO] running `Command { std: "docker" "start" "-a" "b94ad1fa5ecae215e87b7bdd821bb1aea0e47011943693e5aa5388a929366de7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b94ad1fa5ecae215e87b7bdd821bb1aea0e47011943693e5aa5388a929366de7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b94ad1fa5ecae215e87b7bdd821bb1aea0e47011943693e5aa5388a929366de7", kill_on_drop: false }` [INFO] [stdout] b94ad1fa5ecae215e87b7bdd821bb1aea0e47011943693e5aa5388a929366de7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0b8cd7ad12a0b41d10d38681181fb4ed6888ab0dd66111c483a51eedf4f22400 [INFO] running `Command { std: "docker" "start" "-a" "0b8cd7ad12a0b41d10d38681181fb4ed6888ab0dd66111c483a51eedf4f22400", kill_on_drop: false }` [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking bincode v0.6.1 [INFO] [stderr] Checking wfst v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/semiring/float.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | fn from_u32(u32) -> T; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/semiring/test.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | fn from_u32(u32) -> Self; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/semiring/float.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | fn from_u32(u32) -> T; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:39:30 [INFO] [stdout] | [INFO] [stdout] 39 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:39:46 [INFO] [stdout] | [INFO] [stdout] 39 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/semiring/test.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | fn from_u32(u32) -> Self; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:164:30 [INFO] [stdout] | [INFO] [stdout] 164 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:164:46 [INFO] [stdout] | [INFO] [stdout] 164 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:39:30 [INFO] [stdout] | [INFO] [stdout] 39 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:39:46 [INFO] [stdout] | [INFO] [stdout] 39 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:295:30 [INFO] [stdout] | [INFO] [stdout] 295 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:295:46 [INFO] [stdout] | [INFO] [stdout] 295 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:164:30 [INFO] [stdout] | [INFO] [stdout] 164 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/wfst.rs:49:31 [INFO] [stdout] | [INFO] [stdout] 49 | fn get_finalweight(&self, StateId) -> W; [INFO] [stdout] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StateId` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/wfst.rs:50:24 [INFO] [stdout] | [INFO] [stdout] 50 | fn arc_iter(&self, StateId) -> Self::Iter; [INFO] [stdout] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StateId` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/wfst.rs:53:24 [INFO] [stdout] | [INFO] [stdout] 53 | fn is_final(&self, StateId) -> bool; [INFO] [stdout] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StateId` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/wfst.rs:62:29 [INFO] [stdout] | [INFO] [stdout] 62 | fn del_state(&mut self, StateId); [INFO] [stdout] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StateId` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:21:35 [INFO] [stdout] | [INFO] [stdout] 21 | #[derive(PartialEq, Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:21:51 [INFO] [stdout] | [INFO] [stdout] 21 | #[derive(PartialEq, Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:164:46 [INFO] [stdout] | [INFO] [stdout] 164 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:92:24 [INFO] [stdout] | [INFO] [stdout] 92 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:92:40 [INFO] [stdout] | [INFO] [stdout] 92 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:106:24 [INFO] [stdout] | [INFO] [stdout] 106 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:295:30 [INFO] [stdout] | [INFO] [stdout] 295 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:106:40 [INFO] [stdout] | [INFO] [stdout] 106 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/semiring/floatweight.rs:295:46 [INFO] [stdout] | [INFO] [stdout] 295 | #[derive(Clone, Debug, Hash, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/wfst.rs:49:31 [INFO] [stdout] | [INFO] [stdout] 49 | fn get_finalweight(&self, StateId) -> W; [INFO] [stdout] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StateId` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/wfst.rs:50:24 [INFO] [stdout] | [INFO] [stdout] 50 | fn arc_iter(&self, StateId) -> Self::Iter; [INFO] [stdout] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StateId` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/wfst.rs:53:24 [INFO] [stdout] | [INFO] [stdout] 53 | fn is_final(&self, StateId) -> bool; [INFO] [stdout] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StateId` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/wfst.rs:62:29 [INFO] [stdout] | [INFO] [stdout] 62 | fn del_state(&mut self, StateId); [INFO] [stdout] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: StateId` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:21:35 [INFO] [stdout] | [INFO] [stdout] 21 | #[derive(PartialEq, Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:21:51 [INFO] [stdout] | [INFO] [stdout] 21 | #[derive(PartialEq, Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:92:24 [INFO] [stdout] | [INFO] [stdout] 92 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:92:40 [INFO] [stdout] | [INFO] [stdout] 92 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:106:24 [INFO] [stdout] | [INFO] [stdout] 106 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported [INFO] [stdout] --> src/wfst_vec.rs:106:40 [INFO] [stdout] | [INFO] [stdout] 106 | #[derive(Clone, Debug, RustcEncodable, RustcDecodable)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.18s [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" "0b8cd7ad12a0b41d10d38681181fb4ed6888ab0dd66111c483a51eedf4f22400", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b8cd7ad12a0b41d10d38681181fb4ed6888ab0dd66111c483a51eedf4f22400", kill_on_drop: false }` [INFO] [stdout] 0b8cd7ad12a0b41d10d38681181fb4ed6888ab0dd66111c483a51eedf4f22400