[INFO] fetching crate treeid 0.3.11...
[INFO] testing treeid-0.3.11 against 1.75.0 for beta-1.76-1
[INFO] extracting crate treeid 0.3.11 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate treeid 0.3.11 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 treeid 0.3.11
[INFO] finished tweaking crates.io crate treeid 0.3.11
[INFO] tweaked toml for crates.io crate treeid 0.3.11 written to /workspace/builds/worker-0-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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a48c3e886b222d20720992d40f54fdd234a013962171b97e07b151bb05c96edf
[INFO] running `Command { std: "docker" "start" "-a" "a48c3e886b222d20720992d40f54fdd234a013962171b97e07b151bb05c96edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a48c3e886b222d20720992d40f54fdd234a013962171b97e07b151bb05c96edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48c3e886b222d20720992d40f54fdd234a013962171b97e07b151bb05c96edf", kill_on_drop: false }`
[INFO] [stdout] a48c3e886b222d20720992d40f54fdd234a013962171b97e07b151bb05c96edf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fa2642b9c32ae53f665df9808addcd6a1f322b03b84b6b1f57c7f6459063fe32
[INFO] running `Command { std: "docker" "start" "-a" "fa2642b9c32ae53f665df9808addcd6a1f322b03b84b6b1f57c7f6459063fe32", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling treeid v0.3.11 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![feature(test, specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![feature(test, specialization)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]    = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![feature(test, specialization)]
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `treeid` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fa2642b9c32ae53f665df9808addcd6a1f322b03b84b6b1f57c7f6459063fe32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2642b9c32ae53f665df9808addcd6a1f322b03b84b6b1f57c7f6459063fe32", kill_on_drop: false }`
[INFO] [stdout] fa2642b9c32ae53f665df9808addcd6a1f322b03b84b6b1f57c7f6459063fe32
[INFO] testing treeid-0.3.11 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate treeid 0.3.11 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate treeid 0.3.11 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 treeid 0.3.11
[INFO] finished tweaking crates.io crate treeid 0.3.11
[INFO] tweaked toml for crates.io crate treeid 0.3.11 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ae5efbedd6b441e224ca1b26ba8c942497a7e8a8123055ba967825e67bae26f2
[INFO] running `Command { std: "docker" "start" "-a" "ae5efbedd6b441e224ca1b26ba8c942497a7e8a8123055ba967825e67bae26f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae5efbedd6b441e224ca1b26ba8c942497a7e8a8123055ba967825e67bae26f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5efbedd6b441e224ca1b26ba8c942497a7e8a8123055ba967825e67bae26f2", kill_on_drop: false }`
[INFO] [stdout] ae5efbedd6b441e224ca1b26ba8c942497a7e8a8123055ba967825e67bae26f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7dcc3b4084ecece24c4491d0fa20204c4b0a2ba695ff259880bd54bb05988c4c
[INFO] running `Command { std: "docker" "start" "-a" "7dcc3b4084ecece24c4491d0fa20204c4b0a2ba695ff259880bd54bb05988c4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling treeid v0.3.11 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![feature(test, specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]   --> src/lib.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![feature(test, specialization)]
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]    = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]    = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![feature(test, specialization)]
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `treeid` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7dcc3b4084ecece24c4491d0fa20204c4b0a2ba695ff259880bd54bb05988c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dcc3b4084ecece24c4491d0fa20204c4b0a2ba695ff259880bd54bb05988c4c", kill_on_drop: false }`
[INFO] [stdout] 7dcc3b4084ecece24c4491d0fa20204c4b0a2ba695ff259880bd54bb05988c4c
