[INFO] fetching crate snocat-cli 0.8.0-alpha.5...
[INFO] checking snocat-cli-0.8.0-alpha.5 against 1.95.0 for pr-155915
[INFO] extracting crate snocat-cli 0.8.0-alpha.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate snocat-cli 0.8.0-alpha.5
[INFO] finished tweaking crates.io crate snocat-cli 0.8.0-alpha.5
[INFO] tweaked toml for crates.io crate snocat-cli 0.8.0-alpha.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate snocat-cli 0.8.0-alpha.5 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snocat-cli 0.8.0-alpha.5 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded futures-macro v0.3.26
[INFO] [stderr]   Downloaded thread_local v1.1.5
[INFO] [stderr]   Downloaded pem v3.0.2
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded security-framework-sys v2.8.0
[INFO] [stderr]   Downloaded futures-executor v0.3.26
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.2
[INFO] [stderr]   Downloaded anyhow v1.0.69
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded uuid v1.3.0
[INFO] [stderr]   Downloaded security-framework v2.8.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded base64 v0.21.0
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded quinn-proto v0.10.5
[INFO] [stderr]   Downloaded serde_json v1.0.93
[INFO] [stderr]   Downloaded rustls-webpki v0.101.6
[INFO] [stderr]   Downloaded syn v2.0.38
[INFO] [stderr]   Downloaded snocat v0.8.0-alpha.5
[INFO] [stderr]   Downloaded socket2 v0.5.4
[INFO] [stderr]   Downloaded schannel v0.1.21
[INFO] [stderr]   Downloaded rustls v0.21.7
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0584208bc674016552e0d35213ef3b43365cab8735aabab67b58db8759cddd5a
[INFO] running `Command { std: "docker" "start" "-a" "0584208bc674016552e0d35213ef3b43365cab8735aabab67b58db8759cddd5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0584208bc674016552e0d35213ef3b43365cab8735aabab67b58db8759cddd5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0584208bc674016552e0d35213ef3b43365cab8735aabab67b58db8759cddd5a", kill_on_drop: false }`
[INFO] [stdout] 0584208bc674016552e0d35213ef3b43365cab8735aabab67b58db8759cddd5a
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13e8df2bade721a5ffa85bb08b99f8f3672d86a1e2bf86ba75ca55b5e308e242
[INFO] running `Command { std: "docker" "start" "-a" "13e8df2bade721a5ffa85bb08b99f8f3672d86a1e2bf86ba75ca55b5e308e242", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking time v0.3.17
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking overload v0.1.1
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[INFO] [stderr]     Checking nu-ansi-term v0.46.0
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[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.6
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking pem v3.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking thread_local v1.1.5
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking rcgen v0.11.3
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling futures-macro v0.3.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking thiserror v1.0.38
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking quinn-udp v0.4.1
[INFO] [stderr]     Checking quinn-proto v0.10.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking tokio-stream v0.1.11
[INFO] [stderr]     Checking serde v1.0.152
[INFO] [stderr]     Checking futures-executor v0.3.26
[INFO] [stderr]     Checking futures v0.3.26
[INFO] [stderr]     Checking quinn v0.10.2
[INFO] [stderr]     Checking uuid v1.3.0
[INFO] [stderr]     Checking snocat v0.8.0-alpha.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/snocat-0.8.0-alpha.5/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `generic_associated_types` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snocat` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "13e8df2bade721a5ffa85bb08b99f8f3672d86a1e2bf86ba75ca55b5e308e242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e8df2bade721a5ffa85bb08b99f8f3672d86a1e2bf86ba75ca55b5e308e242", kill_on_drop: false }`
[INFO] [stdout] 13e8df2bade721a5ffa85bb08b99f8f3672d86a1e2bf86ba75ca55b5e308e242
