[INFO] fetching crate anathema 0.1.1-alpha...
[INFO] checking anathema-0.1.1-alpha against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate anathema 0.1.1-alpha into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate anathema 0.1.1-alpha 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 anathema 0.1.1-alpha
[INFO] finished tweaking crates.io crate anathema 0.1.1-alpha
[INFO] tweaked toml for crates.io crate anathema 0.1.1-alpha written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate anathema 0.1.1-alpha 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest v1.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.82
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[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] 3889997b0bbf4645a29c1c9f13d3f396b1057b58ee6c97a9931080e16827907e
[INFO] running `Command { std: "docker" "start" "-a" "3889997b0bbf4645a29c1c9f13d3f396b1057b58ee6c97a9931080e16827907e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3889997b0bbf4645a29c1c9f13d3f396b1057b58ee6c97a9931080e16827907e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3889997b0bbf4645a29c1c9f13d3f396b1057b58ee6c97a9931080e16827907e", kill_on_drop: false }`
[INFO] [stdout] 3889997b0bbf4645a29c1c9f13d3f396b1057b58ee6c97a9931080e16827907e
[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] a2e8c133bf68c5309567a58572fb44ba5637ac3f4cdc4c2701ac63159217c069
[INFO] running `Command { std: "docker" "start" "-a" "a2e8c133bf68c5309567a58572fb44ba5637ac3f4cdc4c2701ac63159217c069", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking getrandom v0.2.7
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[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.24.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking anathema v0.1.1-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `contains::Contains`
[INFO] [stdout]   --> src/antstring/mod.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub use contains::Contains;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeyCode`, `KeyEvent`, `KeyModifiers`, `MouseEventKind`, `MouseEvent`
[INFO] [stdout]   --> src/runtime/appstate.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use super::events::{Event, Events, KeyCode, KeyEvent, KeyModifiers, MouseEvent, MouseEventKind};
[INFO] [stdout]    |                                        ^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/widgets/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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] [stderr]     Checking proptest v1.0.0
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]  --> src/antstring/contains.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Contains<P>: super::sealed::Sealed {
[INFO] [stdout]   |           -------- method in this trait
[INFO] [stdout] 5 |     /// Does the string contain the pattern?
[INFO] [stdout] 6 |     fn contains(&self, pat: P) -> bool;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `rfind` is never used
[INFO] [stdout]  --> src/antstring/find.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Find<P>: super::sealed::Sealed {
[INFO] [stdout]   |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 8 |     fn rfind(&self, pat: P) -> Option<usize>;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `contains::Contains`
[INFO] [stdout]   --> src/antstring/mod.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub use contains::Contains;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Style` is imported redundantly
[INFO] [stdout]    --> src/display/screen.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     use super::*;
[INFO] [stdout]     |         -------- the item `Style` is already imported here
[INFO] [stdout] 147 |     use crate::display::buffer::Cell;
[INFO] [stdout] 148 |     use crate::display::Style;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `KeyCode`, `KeyEvent`, `KeyModifiers`, `MouseEventKind`, `MouseEvent`
[INFO] [stdout]   --> src/runtime/appstate.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use super::events::{Event, Events, KeyCode, KeyEvent, KeyModifiers, MouseEvent, MouseEventKind};
[INFO] [stdout]    |                                        ^^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/widgets/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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 `Screen` is imported redundantly
[INFO] [stdout]    --> src/widgets/ctx.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |     use super::*;
[INFO] [stdout]     |         -------- the item `Screen` is already imported here
[INFO] [stdout] 234 |     use crate::display::Screen;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Size` is imported redundantly
[INFO] [stdout]    --> src/widgets/layout/constraints.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     use super::*;
[INFO] [stdout]     |         -------- the item `Size` is already imported here
[INFO] [stdout] 131 |     use crate::display::Size;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LocalPos` is imported redundantly
[INFO] [stdout]    --> src/widgets/canvas.rs:178:47
[INFO] [stdout]     |
[INFO] [stdout] 176 |     use super::*;
[INFO] [stdout]     |         -------- the item `LocalPos` is already imported here
[INFO] [stdout] 177 |     use crate::widgets::testing::test_widget;
[INFO] [stdout] 178 |     use crate::widgets::{Border, BorderStyle, LocalPos, Sides};
[INFO] [stdout]     |                                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "a2e8c133bf68c5309567a58572fb44ba5637ac3f4cdc4c2701ac63159217c069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e8c133bf68c5309567a58572fb44ba5637ac3f4cdc4c2701ac63159217c069", kill_on_drop: false }`
[INFO] [stdout] a2e8c133bf68c5309567a58572fb44ba5637ac3f4cdc4c2701ac63159217c069