[INFO] cloning repository https://github.com/asafigan/impl-iter-tuple-kind-of
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asafigan/impl-iter-tuple-kind-of" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasafigan%2Fimpl-iter-tuple-kind-of", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasafigan%2Fimpl-iter-tuple-kind-of'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de77b5e582983f35df84034ebcf3877abab5eb44
[INFO] testing asafigan/impl-iter-tuple-kind-of against 1.98.0-beta.6+cargoflags=--release for beta-1.98-release-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasafigan%2Fimpl-iter-tuple-kind-of" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/asafigan/impl-iter-tuple-kind-of
[INFO] finished tweaking git repo https://github.com/asafigan/impl-iter-tuple-kind-of
[INFO] tweaked toml for git repo https://github.com/asafigan/impl-iter-tuple-kind-of written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/asafigan/impl-iter-tuple-kind-of on toolchain 1.98.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/asafigan/impl-iter-tuple-kind-of 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" "+1.98.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 63498c8d115a6925925689b733bacd447f3136510acb18fde312b5b04c4a7f6e
[INFO] running `Command { std: "docker" "start" "63498c8d115a6925925689b733bacd447f3136510acb18fde312b5b04c4a7f6e", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "63498c8d115a6925925689b733bacd447f3136510acb18fde312b5b04c4a7f6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63498c8d115a6925925689b733bacd447f3136510acb18fde312b5b04c4a7f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "63498c8d115a6925925689b733bacd447f3136510acb18fde312b5b04c4a7f6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.6" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
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[INFO] [stderr]    Compiling quote v1.0.23
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[INFO] [stderr]    Compiling rustversion v1.0.11
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[INFO] [stderr]    Compiling impl-iter-tuple-kind-of v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Identity` is never used
[INFO] [stdout]  --> src/experiment/mod.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Identity<Z> {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RefIdentity` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait RefIdentity<Z: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RefFromRef` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait RefFromRef<T> {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MutIdentity` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | trait MutIdentity<Z: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MutFromMut` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | trait MutFromMut<T> {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToArray` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | trait ToArray<'b, Z, const N: usize> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsIter` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | trait AsIter<'b, Z: ?Sized> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsIterMut` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 | trait AsIterMut<'b, Z: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToArrayMut` is never used
[INFO] [stdout]    --> src/experiment/mod.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 | trait ToArrayMut<'b, Z, const N: usize> {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToArrayOwned` is never used
[INFO] [stdout]    --> src/experiment/mod.rs:132:7
[INFO] [stdout]     |
[INFO] [stdout] 132 | trait ToArrayOwned<Z, const N: usize> {
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "63498c8d115a6925925689b733bacd447f3136510acb18fde312b5b04c4a7f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "63498c8d115a6925925689b733bacd447f3136510acb18fde312b5b04c4a7f6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: trait `Identity` is never used
[INFO] [stdout]  --> src/experiment/mod.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Identity<Z> {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RefIdentity` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait RefIdentity<Z: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RefFromRef` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait RefFromRef<T> {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MutIdentity` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | trait MutIdentity<Z: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MutFromMut` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | trait MutFromMut<T> {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToArray` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | trait ToArray<'b, Z, const N: usize> {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsIter` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | trait AsIter<'b, Z: ?Sized> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AsIterMut` is never used
[INFO] [stdout]   --> src/experiment/mod.rs:84:7
[INFO] [stdout]    |
[INFO] [stdout] 84 | trait AsIterMut<'b, Z: ?Sized> {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToArrayMut` is never used
[INFO] [stdout]    --> src/experiment/mod.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 | trait ToArrayMut<'b, Z, const N: usize> {
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ToArrayOwned` is never used
[INFO] [stdout]    --> src/experiment/mod.rs:132:7
[INFO] [stdout]     |
[INFO] [stdout] 132 | trait ToArrayOwned<Z, const N: usize> {
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling impl-iter-tuple-kind-of v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0228]: cannot deduce the lifetime bound for this trait object type from context
[INFO] [stdout]    --> src/experiment/mod.rs:255:41
[INFO] [stdout]     |
[INFO] [stdout] 255 |         type IntoIter<'a> = T::Iter<'a, dyn Example>
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: please supply an explicit bound
[INFO] [stdout]     |
[INFO] [stdout] 255 |         type IntoIter<'a> = T::Iter<'a, dyn Example + /* 'a */>
[INFO] [stdout]     |                                                     ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0228`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `impl-iter-tuple-kind-of` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "63498c8d115a6925925689b733bacd447f3136510acb18fde312b5b04c4a7f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63498c8d115a6925925689b733bacd447f3136510acb18fde312b5b04c4a7f6e", kill_on_drop: false }`
[INFO] [stdout] 63498c8d115a6925925689b733bacd447f3136510acb18fde312b5b04c4a7f6e
