[INFO] fetching crate toodee 0.5.0...
[INFO] checking toodee-0.5.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate toodee 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate toodee 0.5.0 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 toodee 0.5.0
[INFO] finished tweaking crates.io crate toodee 0.5.0
[INFO] tweaked toml for crates.io crate toodee 0.5.0 written to /workspace/builds/worker-7-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 78 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding grid v0.10.0 (latest: v0.13.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding wasi v0.11.0+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 grid v0.10.0
[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] 821ebf52748218179512a81e6200fdf0ea762a6f5ae949b1c77ff4f393e02ccc
[INFO] running `Command { std: "docker" "start" "-a" "821ebf52748218179512a81e6200fdf0ea762a6f5ae949b1c77ff4f393e02ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "821ebf52748218179512a81e6200fdf0ea762a6f5ae949b1c77ff4f393e02ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821ebf52748218179512a81e6200fdf0ea762a6f5ae949b1c77ff4f393e02ccc", kill_on_drop: false }`
[INFO] [stdout] 821ebf52748218179512a81e6200fdf0ea762a6f5ae949b1c77ff4f393e02ccc
[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] 1a6a1d4623c8f1c8d737c25e2a3fc0d116217120717f4e11f87a37c8b8f36ee2
[INFO] running `Command { std: "docker" "start" "-a" "1a6a1d4623c8f1c8d737c25e2a3fc0d116217120717f4e11f87a37c8b8f36ee2", kill_on_drop: false }`
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking grid v0.10.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking toodee v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/toodee.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/core/src/prelude/mod.rs:57:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `data` is never used
[INFO] [stdout]   --> src/view.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | trait TooDeeViewCommon<T>: TooDeeOps<T> {
[INFO] [stdout]    |       ---------------- method in this trait
[INFO] [stdout] 55 |
[INFO] [stdout] 56 |     fn data(&self) -> &[T];
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> benches/vs.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` 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 `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/toodee.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]   --> src/toodee.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use alloc::boxed::Box;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Box` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/toodee.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use alloc::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> src/sort.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use alloc::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/serde.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use alloc::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use alloc::boxed::Box;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use alloc::vec::Vec;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]  --> src/tests_view.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use alloc::boxed::Box;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Box` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/tests_view.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     use alloc::vec::Vec;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `data` is never used
[INFO] [stdout]   --> src/view.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | trait TooDeeViewCommon<T>: TooDeeOps<T> {
[INFO] [stdout]    |       ---------------- method in this trait
[INFO] [stdout] 55 |
[INFO] [stdout] 56 |     fn data(&self) -> &[T];
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IteratorWithWrongLength` is never constructed
[INFO] [stdout]   --> src/tests_view.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     struct IteratorWithWrongLength();
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "1a6a1d4623c8f1c8d737c25e2a3fc0d116217120717f4e11f87a37c8b8f36ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6a1d4623c8f1c8d737c25e2a3fc0d116217120717f4e11f87a37c8b8f36ee2", kill_on_drop: false }`
[INFO] [stdout] 1a6a1d4623c8f1c8d737c25e2a3fc0d116217120717f4e11f87a37c8b8f36ee2