[INFO] fetching crate cmdmat 0.1.4...
[INFO] testing cmdmat-0.1.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate cmdmat 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cmdmat 0.1.4 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 cmdmat 0.1.4
[INFO] finished tweaking crates.io crate cmdmat 0.1.4
[INFO] tweaked toml for crates.io crate cmdmat 0.1.4 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] 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] 904d413a4dc9c06d5157b78920c6be922e269fa354a5787f6ceeed0a5efefdc4
[INFO] running `Command { std: "docker" "start" "-a" "904d413a4dc9c06d5157b78920c6be922e269fa354a5787f6ceeed0a5efefdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "904d413a4dc9c06d5157b78920c6be922e269fa354a5787f6ceeed0a5efefdc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904d413a4dc9c06d5157b78920c6be922e269fa354a5787f6ceeed0a5efefdc4", kill_on_drop: false }`
[INFO] [stdout] 904d413a4dc9c06d5157b78920c6be922e269fa354a5787f6ceeed0a5efefdc4
[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] 92376820724fd5520b5afe042afa5da28a1757ae33794fc1a9cb1b3699b63ccd
[INFO] running `Command { std: "docker" "start" "-a" "92376820724fd5520b5afe042afa5da28a1757ae33794fc1a9cb1b3699b63ccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmdmat v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> lib.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 | #![feature(test, try_trait_v2)]
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> lib.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 | #![feature(test, try_trait_v2)]
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cmdmat` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "92376820724fd5520b5afe042afa5da28a1757ae33794fc1a9cb1b3699b63ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92376820724fd5520b5afe042afa5da28a1757ae33794fc1a9cb1b3699b63ccd", kill_on_drop: false }`
[INFO] [stdout] 92376820724fd5520b5afe042afa5da28a1757ae33794fc1a9cb1b3699b63ccd
[INFO] testing cmdmat-0.1.4 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate cmdmat 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate cmdmat 0.1.4 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 cmdmat 0.1.4
[INFO] finished tweaking crates.io crate cmdmat 0.1.4
[INFO] tweaked toml for crates.io crate cmdmat 0.1.4 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] 299289732f5b74087eaa3c0c5130b123d4029dc49dc126c0d436b8eec6cc7580
[INFO] running `Command { std: "docker" "start" "-a" "299289732f5b74087eaa3c0c5130b123d4029dc49dc126c0d436b8eec6cc7580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "299289732f5b74087eaa3c0c5130b123d4029dc49dc126c0d436b8eec6cc7580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "299289732f5b74087eaa3c0c5130b123d4029dc49dc126c0d436b8eec6cc7580", kill_on_drop: false }`
[INFO] [stdout] 299289732f5b74087eaa3c0c5130b123d4029dc49dc126c0d436b8eec6cc7580
[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] 8c174c0e3aeee645db364d6a0d4623c46c021f6ae9455c7bf9d1481107784aa0
[INFO] running `Command { std: "docker" "start" "-a" "8c174c0e3aeee645db364d6a0d4623c46c021f6ae9455c7bf9d1481107784aa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmdmat v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> lib.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 | #![feature(test, try_trait_v2)]
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> lib.rs:181:18
[INFO] [stdout]     |
[INFO] [stdout] 181 | #![feature(test, try_trait_v2)]
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cmdmat` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "8c174c0e3aeee645db364d6a0d4623c46c021f6ae9455c7bf9d1481107784aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c174c0e3aeee645db364d6a0d4623c46c021f6ae9455c7bf9d1481107784aa0", kill_on_drop: false }`
[INFO] [stdout] 8c174c0e3aeee645db364d6a0d4623c46c021f6ae9455c7bf9d1481107784aa0
