[INFO] fetching crate ftzz 2.0.0...
[INFO] testing ftzz-2.0.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate ftzz 2.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ftzz 2.0.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate ftzz 2.0.0
[INFO] finished tweaking crates.io crate ftzz 2.0.0
[INFO] tweaked toml for crates.io crate ftzz 2.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate ftzz 2.0.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v4.0.0
[INFO] [stderr]   Downloaded expect-test v1.4.1
[INFO] [stderr]   Downloaded tracing-chrome v0.7.1
[INFO] [stderr]   Downloaded rustdoc-json v0.8.2
[INFO] [stderr]   Downloaded snapbox-macros v0.3.3
[INFO] [stderr]   Downloaded cargo-manifest v0.7.1
[INFO] [stderr]   Downloaded dunce v1.0.3
[INFO] [stderr]   Downloaded os_pipe v1.1.3
[INFO] [stderr]   Downloaded more-asserts v0.3.1
[INFO] [stderr]   Downloaded rustdoc-types v0.20.0
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] [stderr]   Downloaded sysexits v0.4.1
[INFO] [stderr]   Downloaded humantime-serde v1.1.1
[INFO] [stderr]   Downloaded typed-builder v0.14.0
[INFO] [stderr]   Downloaded supercilex-tests v0.3.1
[INFO] [stderr]   Downloaded public-api v0.27.3
[INFO] [stderr]   Downloaded snapbox v0.4.10
[INFO] [stderr]   Downloaded trycmd v0.14.15
[INFO] [stderr]   Downloaded serde_derive v1.0.157
[INFO] [stderr]   Downloaded serde v1.0.157
[INFO] [stderr]   Downloaded error-stack v0.3.1
[INFO] [stderr]   Downloaded rustix v0.37.1
[INFO] [stderr]   Downloaded clap2 v4.1.8
[INFO] [stderr]   Downloaded syn v2.0.0
[INFO] [stderr]   Downloaded itoa-const v1.0.5
[INFO] [stderr]   Downloaded clap2-num v1.0.2
[INFO] [stderr]   Downloaded clap2-verbosity-flag v2.0.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.0
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] beaa46ecfb4c89fff7023830d3ae4a914dc69b7a1fed7896ddb542ebd8153e2e
[INFO] running `Command { std: "docker" "start" "-a" "beaa46ecfb4c89fff7023830d3ae4a914dc69b7a1fed7896ddb542ebd8153e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beaa46ecfb4c89fff7023830d3ae4a914dc69b7a1fed7896ddb542ebd8153e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beaa46ecfb4c89fff7023830d3ae4a914dc69b7a1fed7896ddb542ebd8153e2e", kill_on_drop: false }`
[INFO] [stdout] beaa46ecfb4c89fff7023830d3ae4a914dc69b7a1fed7896ddb542ebd8153e2e
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85241ea6c53dfa81b39caad5447dc35b6c135456751ae16d634094f649ec1412
[INFO] running `Command { std: "docker" "start" "-a" "85241ea6c53dfa81b39caad5447dc35b6c135456751ae16d634094f649ec1412", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling io-lifetimes v1.0.7
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling syn v2.0.0
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling clap_lex v0.3.3
[INFO] [stderr]    Compiling error-stack v0.3.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rustix v0.37.1
[INFO] [stderr]    Compiling linux-raw-sys v0.3.0
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling simple_logger v4.0.0
[INFO] [stderr]    Compiling clap2-num v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling sysexits v0.4.1
[INFO] [stderr]    Compiling bytesize v1.2.0
[INFO] [stderr]    Compiling terminal_size v0.2.5
[INFO] [stderr]    Compiling is-terminal v0.4.4
[INFO] [stderr]    Compiling itoa-const v1.0.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/itoa-const-1.0.5/src/lib.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![feature(const_mut_refs)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/itoa-const-1.0.5/src/lib.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | #![feature(const_trait_impl)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/itoa-const-1.0.5/src/lib.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![feature(const_ptr_write)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/itoa-const-1.0.5/src/lib.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![feature(const_ptr_write)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `itoa-const` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "85241ea6c53dfa81b39caad5447dc35b6c135456751ae16d634094f649ec1412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85241ea6c53dfa81b39caad5447dc35b6c135456751ae16d634094f649ec1412", kill_on_drop: false }`
[INFO] [stdout] 85241ea6c53dfa81b39caad5447dc35b6c135456751ae16d634094f649ec1412
