[INFO] fetching crate rtml-rust 0.1.0...
[INFO] testing rtml-rust-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate rtml-rust 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rtml-rust 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtml-rust 0.1.0
[INFO] finished tweaking crates.io crate rtml-rust 0.1.0
[INFO] tweaked toml for crates.io crate rtml-rust 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate rtml-rust 0.1.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73e50816546716966d97a736ad86db3d6f0dde1c5e2155923ccda32497160460
[INFO] running `Command { std: "docker" "start" "-a" "73e50816546716966d97a736ad86db3d6f0dde1c5e2155923ccda32497160460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73e50816546716966d97a736ad86db3d6f0dde1c5e2155923ccda32497160460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e50816546716966d97a736ad86db3d6f0dde1c5e2155923ccda32497160460", kill_on_drop: false }`
[INFO] [stdout] 73e50816546716966d97a736ad86db3d6f0dde1c5e2155923ccda32497160460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3661342b4380415b09996b301d378fd204552b6f897d4d1b0df90d6d40a687de
[INFO] running `Command { std: "docker" "start" "-a" "3661342b4380415b09996b301d378fd204552b6f897d4d1b0df90d6d40a687de", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling rtml-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Tag>` in the current scope
[INFO] [stdout]    --> src/main.rs:370:10
[INFO] [stdout]     |
[INFO] [stdout] 367 |       let results: Vec<Tag> = doc
[INFO] [stdout]     |  _____________________________-
[INFO] [stdout] 368 | |         .clone()
[INFO] [stdout] 369 | |         .tags
[INFO] [stdout] 370 | |         .drain_filter(|tag| tag.name.contains(&search_term) == true)
[INFO] [stdout]     | |         -^^^^^^^^^^^^ method not found in `Vec<Tag>`
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<SubTag>` in the current scope
[INFO] [stdout]    --> src/main.rs:386:18
[INFO] [stdout]     |
[INFO] [stdout] 383 |               subtags: tag
[INFO] [stdout]     |  ______________________-
[INFO] [stdout] 384 | |                 .subtags
[INFO] [stdout] 385 | |                 .clone()
[INFO] [stdout] 386 | |                 .drain_filter(|subtag| {
[INFO] [stdout]     | |                 -^^^^^^^^^^^^ method not found in `Vec<SubTag>`
[INFO] [stdout]     | |_________________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtml-rust` (bin "rtml-rust") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "3661342b4380415b09996b301d378fd204552b6f897d4d1b0df90d6d40a687de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3661342b4380415b09996b301d378fd204552b6f897d4d1b0df90d6d40a687de", kill_on_drop: false }`
[INFO] [stdout] 3661342b4380415b09996b301d378fd204552b6f897d4d1b0df90d6d40a687de
[INFO] testing rtml-rust-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate rtml-rust 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rtml-rust 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtml-rust 0.1.0
[INFO] finished tweaking crates.io crate rtml-rust 0.1.0
[INFO] tweaked toml for crates.io crate rtml-rust 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate rtml-rust 0.1.0 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e03465a5681f602104b01e58041f04fa53e5a1469545e54304647565da921da
[INFO] running `Command { std: "docker" "start" "-a" "3e03465a5681f602104b01e58041f04fa53e5a1469545e54304647565da921da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e03465a5681f602104b01e58041f04fa53e5a1469545e54304647565da921da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e03465a5681f602104b01e58041f04fa53e5a1469545e54304647565da921da", kill_on_drop: false }`
[INFO] [stdout] 3e03465a5681f602104b01e58041f04fa53e5a1469545e54304647565da921da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba022afdd27f36009290dfbec5e8a1f09ff73f42f8ff0d7e759852a0950d1cc
[INFO] running `Command { std: "docker" "start" "-a" "7ba022afdd27f36009290dfbec5e8a1f09ff73f42f8ff0d7e759852a0950d1cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling rtml-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Tag>` in the current scope
[INFO] [stdout]    --> src/main.rs:370:10
[INFO] [stdout]     |
[INFO] [stdout] 367 |       let results: Vec<Tag> = doc
[INFO] [stdout]     |  _____________________________-
[INFO] [stdout] 368 | |         .clone()
[INFO] [stdout] 369 | |         .tags
[INFO] [stdout] 370 | |         .drain_filter(|tag| tag.name.contains(&search_term) == true)
[INFO] [stdout]     | |         -^^^^^^^^^^^^ method not found in `Vec<Tag>`
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<SubTag>` in the current scope
[INFO] [stdout]    --> src/main.rs:386:18
[INFO] [stdout]     |
[INFO] [stdout] 383 |               subtags: tag
[INFO] [stdout]     |  ______________________-
[INFO] [stdout] 384 | |                 .subtags
[INFO] [stdout] 385 | |                 .clone()
[INFO] [stdout] 386 | |                 .drain_filter(|subtag| {
[INFO] [stdout]     | |                 -^^^^^^^^^^^^ method not found in `Vec<SubTag>`
[INFO] [stdout]     | |_________________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtml-rust` (bin "rtml-rust") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "7ba022afdd27f36009290dfbec5e8a1f09ff73f42f8ff0d7e759852a0950d1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba022afdd27f36009290dfbec5e8a1f09ff73f42f8ff0d7e759852a0950d1cc", kill_on_drop: false }`
[INFO] [stdout] 7ba022afdd27f36009290dfbec5e8a1f09ff73f42f8ff0d7e759852a0950d1cc
