[INFO] cloning repository https://github.com/parzivale/combined_str
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/parzivale/combined_str" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparzivale%2Fcombined_str", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparzivale%2Fcombined_str'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 499f2f0a6e8f1cdee954e2519517eef66356b8eb
[INFO] testing parzivale/combined_str against 1.95.0 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparzivale%2Fcombined_str" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/parzivale/combined_str
[INFO] finished tweaking git repo https://github.com/parzivale/combined_str
[INFO] tweaked toml for git repo https://github.com/parzivale/combined_str written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/parzivale/combined_str on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/parzivale/combined_str 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f651c418a2038ff636464fc50e2f1ca4fd6c42d8f2cd7b76bc5c46b240ba5c4
[INFO] running `Command { std: "docker" "start" "-a" "8f651c418a2038ff636464fc50e2f1ca4fd6c42d8f2cd7b76bc5c46b240ba5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f651c418a2038ff636464fc50e2f1ca4fd6c42d8f2cd7b76bc5c46b240ba5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f651c418a2038ff636464fc50e2f1ca4fd6c42d8f2cd7b76bc5c46b240ba5c4", kill_on_drop: false }`
[INFO] [stdout] 8f651c418a2038ff636464fc50e2f1ca4fd6c42d8f2cd7b76bc5c46b240ba5c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba0b711777f7a87aaaabbf8b31b243d0a31cc832d14dbe4cc5ef92c4a66ba2c9
[INFO] running `Command { std: "docker" "start" "-a" "ba0b711777f7a87aaaabbf8b31b243d0a31cc832d14dbe4cc5ef92c4a66ba2c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling combined_str v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature `new_range_api`
[INFO] [stdout]    --> src/view.rs:451:26
[INFO] [stdout]     |
[INFO] [stdout] 451 | impl_combined_str_index!(core::range::RangeToInclusive<usize>, |s, _len| -> (0, s.last.saturating_add(1)));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #125687 <https://github.com/rust-lang/rust/issues/125687> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `new_range_api`
[INFO] [stdout]   --> src/view.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     impl Sealed for range::RangeToInclusive<usize> {}
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #125687 <https://github.com/rust-lang/rust/issues/125687> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `new_range_api`
[INFO] [stdout]    --> src/view.rs:451:81
[INFO] [stdout]     |
[INFO] [stdout] 451 | impl_combined_str_index!(core::range::RangeToInclusive<usize>, |s, _len| -> (0, s.last.saturating_add(1)));
[INFO] [stdout]     |                                                                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #125687 <https://github.com/rust-lang/rust/issues/125687> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `combined_str` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ba0b711777f7a87aaaabbf8b31b243d0a31cc832d14dbe4cc5ef92c4a66ba2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0b711777f7a87aaaabbf8b31b243d0a31cc832d14dbe4cc5ef92c4a66ba2c9", kill_on_drop: false }`
[INFO] [stdout] ba0b711777f7a87aaaabbf8b31b243d0a31cc832d14dbe4cc5ef92c4a66ba2c9