[INFO] fetching crate fruently 0.10.0...
[INFO] checking fruently-0.10.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate fruently 0.10.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fruently 0.10.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fruently 0.10.0
[INFO] finished tweaking crates.io crate fruently 0.10.0
[INFO] tweaked toml for crates.io crate fruently 0.10.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages
[INFO] [stderr]       Adding bitflags v0.5.0 (latest: v2.5.0)
[INFO] [stderr]       Adding cargo_metadata v0.1.2 (latest: v0.18.1)
[INFO] [stderr]       Adding clippy v0.0.116 (latest: v0.0.302)
[INFO] [stderr]       Adding clippy_lints v0.0.116 (latest: v0.0.212)
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding itoa v0.3.4 (latest: v1.0.11)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pulldown-cmark v0.0.8 (latest: v0.10.2)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.35)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex-syntax v0.4.2 (latest: v0.8.3)
[INFO] [stderr]       Adding remove_dir_all v0.5.3 (latest: v0.8.2)
[INFO] [stderr]       Adding retry v0.4.0 (latest: v2.0.0)
[INFO] [stderr]       Adding rmp-serde v0.13.7 (latest: v1.1.2)
[INFO] [stderr]       Adding semver v0.6.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding serde v0.9.15 (latest: v1.0.197)
[INFO] [stderr]       Adding serde_derive v0.9.15 (latest: v1.0.197)
[INFO] [stderr]       Adding serde_json v0.9.10 (latest: v1.0.115)
[INFO] [stderr]       Adding skeptic v0.9.0 (latest: v0.13.7)
[INFO] [stderr]       Adding syn v0.11.11 (latest: v2.0.58)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding toml v0.2.1 (latest: v0.8.12)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (latest: v0.2.4)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo_metadata v0.1.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.8
[INFO] [stderr]   Downloaded skeptic v0.9.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.14.2
[INFO] [stderr]   Downloaded rmp-serde v0.13.7
[INFO] [stderr]   Downloaded itoa v0.3.4
[INFO] [stderr]   Downloaded serde_json v0.9.10
[INFO] [stderr]   Downloaded serde_derive v0.9.15
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded retry v0.4.0
[INFO] [stderr]   Downloaded clippy_lints v0.0.116
[INFO] [stderr]   Downloaded clippy v0.0.116
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ce999909013c289b2d9bb6710c5f0392f02d7d34ae778e7aaeef4ee5cb39f5d
[INFO] running `Command { std: "docker" "start" "-a" "9ce999909013c289b2d9bb6710c5f0392f02d7d34ae778e7aaeef4ee5cb39f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ce999909013c289b2d9bb6710c5f0392f02d7d34ae778e7aaeef4ee5cb39f5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce999909013c289b2d9bb6710c5f0392f02d7d34ae778e7aaeef4ee5cb39f5d", kill_on_drop: false }`
[INFO] [stdout] 9ce999909013c289b2d9bb6710c5f0392f02d7d34ae778e7aaeef4ee5cb39f5d
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 637b8b4daca72832259a262ac1c38a05d8291ef8faa4f597afe22fb67407b546
[INFO] running `Command { std: "docker" "start" "-a" "637b8b4daca72832259a262ac1c38a05d8291ef8faa4f597afe22fb67407b546", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking retry v0.4.0
[INFO] [stderr]     Checking pulldown-cmark v0.0.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking skeptic v0.9.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling fruently v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/fluent.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]  --> src/record.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use time;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate time;
[INFO] [stdout]   | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/record.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]  --> src/forwardable/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use time;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate time;
[INFO] [stdout]   | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]   --> src/forwardable/json.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use time;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate time;
[INFO] [stdout]    | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]   --> src/forwardable/msgpack.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use time;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate time;
[INFO] [stdout]    | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]   --> src/forwardable/forward.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use time;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate time;
[INFO] [stdout]    | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/forwardable/forward.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `retry` is imported redundantly
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use retry;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate retry;
[INFO] [stdout]   | ------------------- the item `retry` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/error.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]  --> src/event_record.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use time;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate time;
[INFO] [stdout]   | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/event_record.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/fluent.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RetryConf` is imported redundantly
[INFO] [stdout]    --> src/fluent.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     use super::*;
[INFO] [stdout]     |         -------- the item `RetryConf` is already imported here
[INFO] [stdout] 123 |     use retry_conf::RetryConf;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cow` is imported redundantly
[INFO] [stdout]    --> src/fluent.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cow` is already imported here
[INFO] [stdout] 123 |     use retry_conf::RetryConf;
[INFO] [stdout] 124 |     use std::borrow::Cow;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]  --> src/record.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use time;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate time;
[INFO] [stdout]   | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/record.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]   --> src/record.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use super::*;
[INFO] [stdout]    |         -------- the item `time` is already imported here
[INFO] [stdout] 59 |     use time;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/record.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use super::*;
[INFO] [stdout]    |         -------- the item `serde_json` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 61 |     use serde_json;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]  --> src/forwardable/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use time;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate time;
[INFO] [stdout]   | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]   --> src/forwardable/json.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use time;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate time;
[INFO] [stdout]    | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]   --> src/forwardable/msgpack.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use time;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate time;
[INFO] [stdout]    | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]   --> src/forwardable/forward.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use time;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate time;
[INFO] [stdout]    | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/forwardable/forward.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]   --> src/store_buffer.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     use time;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate time;
[INFO] [stdout]    | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RetryConf` is imported redundantly
[INFO] [stdout]   --> src/store_buffer.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use super::*;
[INFO] [stdout]    |         -------- the item `RetryConf` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 59 |     use retry_conf::RetryConf;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FluentError` is imported redundantly
[INFO] [stdout]   --> src/store_buffer.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use super::*;
[INFO] [stdout]    |         -------- the item `FluentError` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 60 |     use error::FluentError;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `retry` is imported redundantly
[INFO] [stdout]  --> src/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use retry;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate retry;
[INFO] [stdout]   | ------------------- the item `retry` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/error.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/error.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use std;
[INFO] [stdout]    |         ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]  --> src/event_record.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use time;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate time;
[INFO] [stdout]   | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/event_record.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate serde_json;
[INFO] [stdout]    | ------------------------ the item `serde_json` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]   --> src/event_record.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use super::*;
[INFO] [stdout]    |         -------- the item `time` is already imported here
[INFO] [stdout] 81 |     use time;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `time` is imported redundantly
[INFO] [stdout]   --> src/event_time.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use time;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | extern crate time;
[INFO] [stdout]    | ------------------ the item `time` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clauses are not enforced in type aliases
[INFO] [stdout]   --> src/fluent.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     T: Serialize = EventRecord<T>;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the clause will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 31 - type MsgPackSendType<T> where
[INFO] [stdout] 32 -     T: Serialize = EventRecord<T>;
[INFO] [stdout] 31 + type MsgPackSendType<T>  = EventRecord<T>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clauses are not enforced in type aliases
[INFO] [stdout]   --> src/forwardable/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     T: Serialize = (EventTime, T);
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the clause will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 11 - pub type Entry<T> where
[INFO] [stdout] 12 -     T: Serialize = (EventTime, T);
[INFO] [stdout] 11 + pub type Entry<T>  = (EventTime, T);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clauses are not enforced in type aliases
[INFO] [stdout]   --> src/fluent.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     T: Serialize = EventRecord<T>;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the clause will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 31 - type MsgPackSendType<T> where
[INFO] [stdout] 32 -     T: Serialize = EventRecord<T>;
[INFO] [stdout] 31 + type MsgPackSendType<T>  = EventRecord<T>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clauses are not enforced in type aliases
[INFO] [stdout]   --> src/forwardable/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     T: Serialize = (EventTime, T);
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: the clause will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 11 - pub type Entry<T> where
[INFO] [stdout] 12 -     T: Serialize = (EventTime, T);
[INFO] [stdout] 11 + pub type Entry<T>  = (EventTime, T);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior may be unexpected on Windows. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> examples/store_file.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let home = env::home_dir().unwrap();
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/forward.rs:14:41
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let thmap = (0..10).fold(&mut obj, |mut acc, i| {
[INFO] [stdout]    |                                         ----^^^
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "637b8b4daca72832259a262ac1c38a05d8291ef8faa4f597afe22fb67407b546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "637b8b4daca72832259a262ac1c38a05d8291ef8faa4f597afe22fb67407b546", kill_on_drop: false }`
[INFO] [stdout] 637b8b4daca72832259a262ac1c38a05d8291ef8faa4f597afe22fb67407b546