[INFO] fetching crate pebble 0.8.5...
[INFO] testing pebble-0.8.5 against 1.75.0 for beta-1.76-1
[INFO] extracting crate pebble 0.8.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate pebble 0.8.5 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 pebble 0.8.5
[INFO] finished tweaking crates.io crate pebble 0.8.5
[INFO] tweaked toml for crates.io crate pebble 0.8.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded recipe-reader v0.9.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 67d9558afe759fe83ed23910a9652e6f1de790870ad31c990daa9429684f7058
[INFO] running `Command { std: "docker" "start" "-a" "67d9558afe759fe83ed23910a9652e6f1de790870ad31c990daa9429684f7058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67d9558afe759fe83ed23910a9652e6f1de790870ad31c990daa9429684f7058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d9558afe759fe83ed23910a9652e6f1de790870ad31c990daa9429684f7058", kill_on_drop: false }`
[INFO] [stdout] 67d9558afe759fe83ed23910a9652e6f1de790870ad31c990daa9429684f7058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1063524e76caaab20937c0b0c4458f1cbd1528a2ff980d1c835fe1d23371d530
[INFO] running `Command { std: "docker" "start" "-a" "1063524e76caaab20937c0b0c4458f1cbd1528a2ff980d1c835fe1d23371d530", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling recipe-reader v0.9.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling pebble v0.8.5 (/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(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 t.files.remove_item(&file);
[INFO] [stdout]     |                         ^^^^^^^^^^^ help: there is a method with a similar name: `remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:557:12
[INFO] [stdout]     |
[INFO] [stdout] 557 |             t.files.remove_item(&filename.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: there is a method with a similar name: `remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:558:12
[INFO] [stdout]     |
[INFO] [stdout] 558 |             t.files.remove_item(&("src/".to_string() + filename));
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: there is a method with a similar name: `remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 `pebble` (bin "pebble") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "1063524e76caaab20937c0b0c4458f1cbd1528a2ff980d1c835fe1d23371d530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1063524e76caaab20937c0b0c4458f1cbd1528a2ff980d1c835fe1d23371d530", kill_on_drop: false }`
[INFO] [stdout] 1063524e76caaab20937c0b0c4458f1cbd1528a2ff980d1c835fe1d23371d530
[INFO] testing pebble-0.8.5 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate pebble 0.8.5 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate pebble 0.8.5 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 pebble 0.8.5
[INFO] finished tweaking crates.io crate pebble 0.8.5
[INFO] tweaked toml for crates.io crate pebble 0.8.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4de09f3eaa391ed3a959779e9b8a5b320e436424d4c8e4ad73c1832abbe49e08
[INFO] running `Command { std: "docker" "start" "-a" "4de09f3eaa391ed3a959779e9b8a5b320e436424d4c8e4ad73c1832abbe49e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4de09f3eaa391ed3a959779e9b8a5b320e436424d4c8e4ad73c1832abbe49e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de09f3eaa391ed3a959779e9b8a5b320e436424d4c8e4ad73c1832abbe49e08", kill_on_drop: false }`
[INFO] [stdout] 4de09f3eaa391ed3a959779e9b8a5b320e436424d4c8e4ad73c1832abbe49e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9de73f7dde4802f009c441f86e245996cbad35bb384296d211cab43f7e7dc582
[INFO] running `Command { std: "docker" "start" "-a" "9de73f7dde4802f009c441f86e245996cbad35bb384296d211cab43f7e7dc582", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling recipe-reader v0.9.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling pebble v0.8.5 (/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(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 t.files.remove_item(&file);
[INFO] [stdout]     |                         ^^^^^^^^^^^ help: there is a method with a similar name: `remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:557:12
[INFO] [stdout]     |
[INFO] [stdout] 557 |             t.files.remove_item(&filename.to_string());
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: there is a method with a similar name: `remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<std::string::String>` in the current scope
[INFO] [stdout]    --> src/commands.rs:558:12
[INFO] [stdout]     |
[INFO] [stdout] 558 |             t.files.remove_item(&("src/".to_string() + filename));
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: there is a method with a similar name: `remove`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 `pebble` (bin "pebble") due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "9de73f7dde4802f009c441f86e245996cbad35bb384296d211cab43f7e7dc582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de73f7dde4802f009c441f86e245996cbad35bb384296d211cab43f7e7dc582", kill_on_drop: false }`
[INFO] [stdout] 9de73f7dde4802f009c441f86e245996cbad35bb384296d211cab43f7e7dc582
