[INFO] fetching crate alt_serde_derive 1.0.119...
[INFO] checking alt_serde_derive-1.0.119 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate alt_serde_derive 1.0.119 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate alt_serde_derive 1.0.119 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alt_serde_derive 1.0.119
[INFO] finished tweaking crates.io crate alt_serde_derive 1.0.119
[INFO] tweaked toml for crates.io crate alt_serde_derive 1.0.119 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d81af80e9caaace947f48a89270e2f657cbfd24b4810e752112028a6214a2a30
[INFO] running `Command { std: "docker" "start" "-a" "d81af80e9caaace947f48a89270e2f657cbfd24b4810e752112028a6214a2a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d81af80e9caaace947f48a89270e2f657cbfd24b4810e752112028a6214a2a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81af80e9caaace947f48a89270e2f657cbfd24b4810e752112028a6214a2a30", kill_on_drop: false }`
[INFO] [stdout] d81af80e9caaace947f48a89270e2f657cbfd24b4810e752112028a6214a2a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b88b4fdf6f365bc3acdefcd754ec30e828e9a9d261963e6d26d198463d860fa5
[INFO] running `Command { std: "docker" "start" "-a" "b88b4fdf6f365bc3acdefcd754ec30e828e9a9d261963e6d26d198463d860fa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling alt_serde_derive v1.0.119 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/ast.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/attr.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/ctxt.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/bound.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/de.rs:5:11
[INFO] [stdout]    |
[INFO] [stdout] 5  | use syn::{self, Ident, Index, Member};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/dummy.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/ser.rs:3:11
[INFO] [stdout]    |
[INFO] [stdout] 3  | use syn::{self, Ident, Index, Member};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/ast.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/attr.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/ctxt.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/bound.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/de.rs:5:11
[INFO] [stdout]    |
[INFO] [stdout] 5  | use syn::{self, Ident, Index, Member};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/dummy.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/ser.rs:3:11
[INFO] [stdout]    |
[INFO] [stdout] 3  | use syn::{self, Ident, Index, Member};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "b88b4fdf6f365bc3acdefcd754ec30e828e9a9d261963e6d26d198463d860fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b88b4fdf6f365bc3acdefcd754ec30e828e9a9d261963e6d26d198463d860fa5", kill_on_drop: false }`
[INFO] [stdout] b88b4fdf6f365bc3acdefcd754ec30e828e9a9d261963e6d26d198463d860fa5
[INFO] checking alt_serde_derive-1.0.119 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate alt_serde_derive 1.0.119 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate alt_serde_derive 1.0.119 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alt_serde_derive 1.0.119
[INFO] finished tweaking crates.io crate alt_serde_derive 1.0.119
[INFO] tweaked toml for crates.io crate alt_serde_derive 1.0.119 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e08b82608ceaff4a2fcd28751353964ccd39b131d3f17318e8116af8f59c33eb
[INFO] running `Command { std: "docker" "start" "-a" "e08b82608ceaff4a2fcd28751353964ccd39b131d3f17318e8116af8f59c33eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e08b82608ceaff4a2fcd28751353964ccd39b131d3f17318e8116af8f59c33eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08b82608ceaff4a2fcd28751353964ccd39b131d3f17318e8116af8f59c33eb", kill_on_drop: false }`
[INFO] [stdout] e08b82608ceaff4a2fcd28751353964ccd39b131d3f17318e8116af8f59c33eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9668aaacbcb89c0c2c773ff188a9048a115dee23e9c13238c63aad959f2bb25a
[INFO] running `Command { std: "docker" "start" "-a" "9668aaacbcb89c0c2c773ff188a9048a115dee23e9c13238c63aad959f2bb25a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling alt_serde_derive v1.0.119 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/ast.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/attr.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/ctxt.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/bound.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/de.rs:5:11
[INFO] [stdout]    |
[INFO] [stdout] 5  | use syn::{self, Ident, Index, Member};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/dummy.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/ser.rs:3:11
[INFO] [stdout]    |
[INFO] [stdout] 3  | use syn::{self, Ident, Index, Member};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/ast.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/attr.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/internals/ctxt.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/bound.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/de.rs:5:11
[INFO] [stdout]    |
[INFO] [stdout] 5  | use syn::{self, Ident, Index, Member};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/dummy.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use syn;
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]   --> src/ser.rs:3:11
[INFO] [stdout]    |
[INFO] [stdout] 3  | use syn::{self, Ident, Index, Member};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | extern crate syn;
[INFO] [stdout]    | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "9668aaacbcb89c0c2c773ff188a9048a115dee23e9c13238c63aad959f2bb25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9668aaacbcb89c0c2c773ff188a9048a115dee23e9c13238c63aad959f2bb25a", kill_on_drop: false }`
[INFO] [stdout] 9668aaacbcb89c0c2c773ff188a9048a115dee23e9c13238c63aad959f2bb25a
