[INFO] fetching crate lino 0.10.0...
[INFO] checking lino-0.10.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate lino 0.10.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lino 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 lino 0.10.0
[INFO] finished tweaking crates.io crate lino 0.10.0
[INFO] tweaked toml for crates.io crate lino 0.10.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate lino 0.10.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.20
[INFO] [stderr]   Downloaded onig v6.3.0
[INFO] [stderr]   Downloaded memmap2 v0.2.3
[INFO] [stderr]   Downloaded ctrlc v3.2.1
[INFO] [stderr]   Downloaded plist v1.2.1
[INFO] [stderr]   Downloaded x11-clipboard v0.5.2
[INFO] [stderr]   Downloaded serde_json v1.0.68
[INFO] [stderr]   Downloaded libloading v0.7.1
[INFO] [stderr]   Downloaded onig_sys v69.7.1
[INFO] [stderr]   Downloaded minimal-lexical v0.1.4
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.14.0
[INFO] [stderr]   Downloaded xcb v0.9.0
[INFO] [stderr]   Downloaded copypasta v0.7.1
[INFO] [stderr]   Downloaded crossterm v0.22.1
[INFO] [stderr]   Downloaded libc v0.2.104
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.4
[INFO] [stderr]   Downloaded nix v0.23.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fb6421f6014f437b28123a41552db90cb784bbc46a1edc690e74a90069b41c95
[INFO] running `Command { std: "docker" "start" "-a" "fb6421f6014f437b28123a41552db90cb784bbc46a1edc690e74a90069b41c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb6421f6014f437b28123a41552db90cb784bbc46a1edc690e74a90069b41c95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6421f6014f437b28123a41552db90cb784bbc46a1edc690e74a90069b41c95", kill_on_drop: false }`
[INFO] [stdout] fb6421f6014f437b28123a41552db90cb784bbc46a1edc690e74a90069b41c95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 523ebecb9e8351c9960b06d93ccc44a3ecedaebf2f672b6f9987da6c5db4fefc
[INFO] running `Command { std: "docker" "start" "-a" "523ebecb9e8351c9960b06d93ccc44a3ecedaebf2f672b6f9987da6c5db4fefc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking libloading v0.7.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking minimal-lexical v0.1.4
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling onig_sys v69.7.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking plist v1.2.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking onig v6.3.0
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]     Checking syntect v4.6.0
[INFO] [stderr]     Checking x11-clipboard v0.5.2
[INFO] [stderr]     Checking smithay-client-toolkit v0.14.0
[INFO] [stderr]     Checking smithay-clipboard v0.6.4
[INFO] [stderr]     Checking copypasta v0.7.1
[INFO] [stderr]     Checking lino v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/main.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 `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/init.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/handle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syntect` is imported redundantly
[INFO] [stdout]  --> src/lino/highlight.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syntect;
[INFO] [stdout]   |     ^^^^^^^ the item `syntect` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/render.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/main.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 `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/init.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/frames.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/handle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syntect` is imported redundantly
[INFO] [stdout]  --> src/lino/highlight.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syntect;
[INFO] [stdout]   |     ^^^^^^^ the item `syntect` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/input_prompt/render.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |
[INFO] [stdout] 4 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/render.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/lino/input_prompt/handle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Error` is already imported here
[INFO] [stdout] 2 | use super::super::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/confirmation_prompt/render.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |
[INFO] [stdout] 4 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/frames.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/lino/confirmation_prompt/handle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Error` is already imported here
[INFO] [stdout] 2 | use super::super::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/input_prompt/render.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |
[INFO] [stdout] 4 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/lino/input_prompt/handle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Error` is already imported here
[INFO] [stdout] 2 | use super::super::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `crossterm` is imported redundantly
[INFO] [stdout]  --> src/lino/confirmation_prompt/render.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossterm;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 3 |
[INFO] [stdout] 4 | use super::*;
[INFO] [stdout]   |     -------- the item `crossterm` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Error` is imported redundantly
[INFO] [stdout]  --> src/lino/confirmation_prompt/handle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `Error` is already imported here
[INFO] [stdout] 2 | use super::super::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text_frame_highlighted_fg` is never read
[INFO] [stdout]    --> src/lino/mod.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub(crate) struct Theming {
[INFO] [stdout]     |                   ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 109 |     text_frame_highlighted_fg: crossterm::style::Color,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Theming` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `text_frame_highlighted_fg` is never read
[INFO] [stdout]    --> src/lino/mod.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub(crate) struct Theming {
[INFO] [stdout]     |                   ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 109 |     text_frame_highlighted_fg: crossterm::style::Color,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Theming` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `Command { std: "docker" "inspect" "523ebecb9e8351c9960b06d93ccc44a3ecedaebf2f672b6f9987da6c5db4fefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523ebecb9e8351c9960b06d93ccc44a3ecedaebf2f672b6f9987da6c5db4fefc", kill_on_drop: false }`
[INFO] [stdout] 523ebecb9e8351c9960b06d93ccc44a3ecedaebf2f672b6f9987da6c5db4fefc