[INFO] fetching crate apis 0.5.6...
[INFO] checking apis-0.5.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate apis 0.5.6 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate apis 0.5.6 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apis 0.5.6
[INFO] finished tweaking crates.io crate apis 0.5.6
[INFO] tweaked toml for crates.io crate apis 0.5.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate apis 0.5.6 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50e90e919b3844ff8be3b92717202bba5f497fec243bb4eb9d15b32cc86b4ce1
[INFO] running `Command { std: "docker" "start" "-a" "50e90e919b3844ff8be3b92717202bba5f497fec243bb4eb9d15b32cc86b4ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50e90e919b3844ff8be3b92717202bba5f497fec243bb4eb9d15b32cc86b4ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e90e919b3844ff8be3b92717202bba5f497fec243bb4eb9d15b32cc86b4ce1", kill_on_drop: false }`
[INFO] [stdout] 50e90e919b3844ff8be3b92717202bba5f497fec243bb4eb9d15b32cc86b4ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3fe52f17323e8af0c5de2f36e9ac864753627ec2cb5ebca293a4856c096e30
[INFO] running `Command { std: "docker" "start" "-a" "5a3fe52f17323e8af0c5de2f36e9ac864753627ec2cb5ebca293a4856c096e30", kill_on_drop: false }`
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[INFO] [stderr]     Checking apis v0.5.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/channel/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `strum` is imported redundantly
[INFO] [stdout]   --> src/channel/mod.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use strum;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate strum;
[INFO] [stdout]    | ----------------------- the item `strum` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/channel/mod.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use vec_map;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/channel/backend/mod.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/channel/backend/mod.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `unbounded_spsc` is imported redundantly
[INFO] [stdout]   --> src/channel/backend/mod.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern crate unbounded_spsc;
[INFO] [stdout]    | ---------------------------- the item `unbounded_spsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `strum` is imported redundantly
[INFO] [stdout]   --> src/message.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use strum;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate strum;
[INFO] [stdout]    | ----------------------- the item `strum` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/mod.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {std, either, log, smallvec};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `either` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub extern crate either;
[INFO] [stdout]    | ------------------------ the item `either` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:19
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub extern crate log;
[INFO] [stdout]    | --------------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `smallvec` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | extern crate smallvec;
[INFO] [stdout]    | ---------------------- the item `smallvec` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/process/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/inner.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | use {std, vec_map};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/process/inner.rs:5:11
[INFO] [stdout]    |
[INFO] [stdout] 5  | use {std, vec_map};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/presult.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/session/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | use {std, either, vec_map};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `either` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:3:11
[INFO] [stdout]    |
[INFO] [stdout] 3  | use {std, either, vec_map};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub extern crate either;
[INFO] [stdout]    | ------------------------ the item `either` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:3:19
[INFO] [stdout]    |
[INFO] [stdout] 3  | use {std, either, vec_map};
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/session/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking glutin v0.28.0
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]   --> examples/readme.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern crate apis;
[INFO] [stdout]    | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 28 |   use apis;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/readme.rs:126:7
[INFO] [stdout]     |
[INFO] [stdout] 21  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 126 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]   --> examples/program.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | extern crate apis;
[INFO] [stdout]    | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 81 |   use apis;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> examples/program.rs:190:7
[INFO] [stdout]     |
[INFO] [stdout] 14  | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 190 |   use rand;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/program.rs:191:7
[INFO] [stdout]     |
[INFO] [stdout] 16  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 191 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> examples/interactive.rs:98:7
[INFO] [stdout]    |
[INFO] [stdout] 98 |   use std;
[INFO] [stdout]    |       ^^^ the item `std` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]   --> examples/interactive.rs:99:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | extern crate apis;
[INFO] [stdout]    | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 99 |   use apis;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> examples/interactive.rs:259:7
[INFO] [stdout]     |
[INFO] [stdout] 259 |   use std;
[INFO] [stdout]     |       ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/interactive.rs:260:7
[INFO] [stdout]     |
[INFO] [stdout] 33  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 260 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/channel/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `strum` is imported redundantly
[INFO] [stdout]   --> src/channel/mod.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use strum;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate strum;
[INFO] [stdout]    | ----------------------- the item `strum` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/channel/mod.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use vec_map;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/channel/backend/mod.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/channel/backend/mod.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `unbounded_spsc` is imported redundantly
[INFO] [stdout]   --> src/channel/backend/mod.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern crate unbounded_spsc;
[INFO] [stdout]    | ---------------------------- the item `unbounded_spsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `strum` is imported redundantly
[INFO] [stdout]   --> src/message.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use strum;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate strum;
[INFO] [stdout]    | ----------------------- the item `strum` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/mod.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {std, either, log, smallvec};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `either` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub extern crate either;
[INFO] [stdout]    | ------------------------ the item `either` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:19
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub extern crate log;
[INFO] [stdout]    | --------------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `smallvec` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | extern crate smallvec;
[INFO] [stdout]    | ---------------------- the item `smallvec` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/process/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/inner.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | use {std, vec_map};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/process/inner.rs:5:11
[INFO] [stdout]    |
[INFO] [stdout] 5  | use {std, vec_map};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/presult.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/session/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | use {std, either, vec_map};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `either` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:3:11
[INFO] [stdout]    |
[INFO] [stdout] 3  | use {std, either, vec_map};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub extern crate either;
[INFO] [stdout]    | ------------------------ the item `either` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:3:19
[INFO] [stdout]    |
[INFO] [stdout] 3  | use {std, either, vec_map};
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/session/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> examples/graphical.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |   use {std, glium, glium::glutin};
[INFO] [stdout]     |        ^^^ the item `std` is already defined by prelude
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `glium` is imported redundantly
[INFO] [stdout]    --> examples/graphical.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 22  | extern crate glium;
[INFO] [stdout]     | ------------------- the item `glium` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 137 |   use {std, glium, glium::glutin};
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/graphical.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 26  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 138 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/graphical.rs:260:7
[INFO] [stdout]     |
[INFO] [stdout] 26  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 260 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/graphical.rs:368:7
[INFO] [stdout]     |
[INFO] [stdout] 26  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 368 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.33s
[INFO] running `Command { std: "docker" "inspect" "5a3fe52f17323e8af0c5de2f36e9ac864753627ec2cb5ebca293a4856c096e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3fe52f17323e8af0c5de2f36e9ac864753627ec2cb5ebca293a4856c096e30", kill_on_drop: false }`
[INFO] [stdout] 5a3fe52f17323e8af0c5de2f36e9ac864753627ec2cb5ebca293a4856c096e30
[INFO] checking apis-0.5.6 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate apis 0.5.6 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate apis 0.5.6 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apis 0.5.6
[INFO] finished tweaking crates.io crate apis 0.5.6
[INFO] tweaked toml for crates.io crate apis 0.5.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate apis 0.5.6 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3f28e0dc1c348dc3649894d092e317a928f0fa2f4be7a2a0c80c7b52351db82
[INFO] running `Command { std: "docker" "start" "-a" "b3f28e0dc1c348dc3649894d092e317a928f0fa2f4be7a2a0c80c7b52351db82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3f28e0dc1c348dc3649894d092e317a928f0fa2f4be7a2a0c80c7b52351db82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3f28e0dc1c348dc3649894d092e317a928f0fa2f4be7a2a0c80c7b52351db82", kill_on_drop: false }`
[INFO] [stdout] b3f28e0dc1c348dc3649894d092e317a928f0fa2f4be7a2a0c80c7b52351db82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f35526a4a1796bb1483847c41020840d9997568b8eef95e8a38410237c6a0739
[INFO] running `Command { std: "docker" "start" "-a" "f35526a4a1796bb1483847c41020840d9997568b8eef95e8a38410237c6a0739", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling xml-rs v0.8.16
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking libloading v0.8.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking dlib v0.5.2
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[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.4
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[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/channel/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `strum` is imported redundantly
[INFO] [stdout]   --> src/channel/mod.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use strum;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate strum;
[INFO] [stdout]    | ----------------------- the item `strum` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/channel/mod.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use vec_map;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/channel/backend/mod.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/channel/backend/mod.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `unbounded_spsc` is imported redundantly
[INFO] [stdout]   --> src/channel/backend/mod.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern crate unbounded_spsc;
[INFO] [stdout]    | ---------------------------- the item `unbounded_spsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `strum` is imported redundantly
[INFO] [stdout]   --> src/message.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use strum;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate strum;
[INFO] [stdout]    | ----------------------- the item `strum` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/mod.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {std, either, log, smallvec};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `either` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub extern crate either;
[INFO] [stdout]    | ------------------------ the item `either` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:19
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub extern crate log;
[INFO] [stdout]    | --------------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `smallvec` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | extern crate smallvec;
[INFO] [stdout]    | ---------------------- the item `smallvec` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/process/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/inner.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | use {std, vec_map};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/process/inner.rs:5:11
[INFO] [stdout]    |
[INFO] [stdout] 5  | use {std, vec_map};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/presult.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/session/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | use {std, either, vec_map};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `either` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:3:11
[INFO] [stdout]    |
[INFO] [stdout] 3  | use {std, either, vec_map};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub extern crate either;
[INFO] [stdout]    | ------------------------ the item `either` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:3:19
[INFO] [stdout]    |
[INFO] [stdout] 3  | use {std, either, vec_map};
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/session/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking glutin v0.28.0
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> examples/interactive.rs:98:7
[INFO] [stdout]    |
[INFO] [stdout] 98 |   use std;
[INFO] [stdout]    |       ^^^ the item `std` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]   --> examples/interactive.rs:99:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | extern crate apis;
[INFO] [stdout]    | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 99 |   use apis;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> examples/interactive.rs:259:7
[INFO] [stdout]     |
[INFO] [stdout] 259 |   use std;
[INFO] [stdout]     |       ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/interactive.rs:260:7
[INFO] [stdout]     |
[INFO] [stdout] 33  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 260 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]   --> examples/program.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | extern crate apis;
[INFO] [stdout]    | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 81 |   use apis;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> examples/program.rs:190:7
[INFO] [stdout]     |
[INFO] [stdout] 14  | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 190 |   use rand;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/program.rs:191:7
[INFO] [stdout]     |
[INFO] [stdout] 16  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 191 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]    --> examples/graphical.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |   use {std, glium, glium::glutin};
[INFO] [stdout]     |        ^^^ the item `std` is already defined by prelude
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `glium` is imported redundantly
[INFO] [stdout]    --> examples/graphical.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 22  | extern crate glium;
[INFO] [stdout]     | ------------------- the item `glium` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 137 |   use {std, glium, glium::glutin};
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/graphical.rs:138:7
[INFO] [stdout]     |
[INFO] [stdout] 26  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 138 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/graphical.rs:260:7
[INFO] [stdout]     |
[INFO] [stdout] 26  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 260 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/graphical.rs:368:7
[INFO] [stdout]     |
[INFO] [stdout] 26  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 368 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]   --> examples/readme.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern crate apis;
[INFO] [stdout]    | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 28 |   use apis;
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `apis` is imported redundantly
[INFO] [stdout]    --> examples/readme.rs:126:7
[INFO] [stdout]     |
[INFO] [stdout] 21  | extern crate apis;
[INFO] [stdout]     | ------------------ the item `apis` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 126 |   use apis;
[INFO] [stdout]     |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/channel/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `strum` is imported redundantly
[INFO] [stdout]   --> src/channel/mod.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use strum;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate strum;
[INFO] [stdout]    | ----------------------- the item `strum` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/channel/mod.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use vec_map;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/channel/backend/mod.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/channel/backend/mod.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `unbounded_spsc` is imported redundantly
[INFO] [stdout]   --> src/channel/backend/mod.rs:1:20
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, vec_map, unbounded_spsc};
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | extern crate unbounded_spsc;
[INFO] [stdout]    | ---------------------------- the item `unbounded_spsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `strum` is imported redundantly
[INFO] [stdout]   --> src/message.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use strum;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub extern crate strum;
[INFO] [stdout]    | ----------------------- the item `strum` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/mod.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | use {std, either, log, smallvec};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `either` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub extern crate either;
[INFO] [stdout]    | ------------------------ the item `either` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `log` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:19
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub extern crate log;
[INFO] [stdout]    | --------------------- the item `log` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `smallvec` is imported redundantly
[INFO] [stdout]   --> src/process/mod.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | use {std, either, log, smallvec};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | extern crate smallvec;
[INFO] [stdout]    | ---------------------- the item `smallvec` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/process/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/inner.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | use {std, vec_map};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/process/inner.rs:5:11
[INFO] [stdout]    |
[INFO] [stdout] 5  | use {std, vec_map};
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/process/presult.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/session/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | use {std, either, vec_map};
[INFO] [stdout]   |      ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `either` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:3:11
[INFO] [stdout]    |
[INFO] [stdout] 3  | use {std, either, vec_map};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub extern crate either;
[INFO] [stdout]    | ------------------------ the item `either` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `vec_map` is imported redundantly
[INFO] [stdout]   --> src/session/mod.rs:3:19
[INFO] [stdout]    |
[INFO] [stdout] 3  | use {std, either, vec_map};
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub extern crate vec_map;
[INFO] [stdout]    | ------------------------- the item `vec_map` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/session/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.85s
[INFO] running `Command { std: "docker" "inspect" "f35526a4a1796bb1483847c41020840d9997568b8eef95e8a38410237c6a0739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35526a4a1796bb1483847c41020840d9997568b8eef95e8a38410237c6a0739", kill_on_drop: false }`
[INFO] [stdout] f35526a4a1796bb1483847c41020840d9997568b8eef95e8a38410237c6a0739