[INFO] cloning repository https://github.com/fifthtry-community/lets-teach
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fifthtry-community/lets-teach" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifthtry-community%2Flets-teach", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifthtry-community%2Flets-teach'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97fd6f73ee024a2b9840b931cb09cab014446f02
[INFO] checking fifthtry-community/lets-teach against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifthtry-community%2Flets-teach" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/fifthtry-community/lets-teach
[INFO] finished tweaking git repo https://github.com/fifthtry-community/lets-teach
[INFO] tweaked toml for git repo https://github.com/fifthtry-community/lets-teach written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fifthtry-community/lets-teach 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 git repo https://github.com/fifthtry-community/lets-teach 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 smallvec v2.0.0-alpha.10
[INFO] [stderr]   Downloaded windows-link v0.1.0
[INFO] [stderr]   Downloaded ft-sys-shared v0.2.1
[INFO] [stderr]   Downloaded ft-derive v0.2.1
[INFO] [stderr]   Downloaded dsl_auto_type v0.1.3
[INFO] [stderr]   Downloaded ft-sys v0.3.0
[INFO] [stderr]   Downloaded once_cell v1.20.3
[INFO] [stderr]   Downloaded iana-time-zone v0.1.61
[INFO] [stderr]   Downloaded uuid v1.15.1
[INFO] [stderr]   Downloaded http v1.2.0
[INFO] [stderr]   Downloaded ft-sdk v0.6.3
[INFO] [stderr]   Downloaded diesel_derives v2.2.4
[INFO] [stderr]   Downloaded chrono v0.4.40
[INFO] [stderr]   Downloaded diesel v2.2.8
[INFO] [stderr]   Downloaded libc v0.2.170
[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] 739ea60404d5de5001e77b670b1fef4b9f84af2979ffe574177bb2de51b194ce
[INFO] running `Command { std: "docker" "start" "-a" "739ea60404d5de5001e77b670b1fef4b9f84af2979ffe574177bb2de51b194ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "739ea60404d5de5001e77b670b1fef4b9f84af2979ffe574177bb2de51b194ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739ea60404d5de5001e77b670b1fef4b9f84af2979ffe574177bb2de51b194ce", kill_on_drop: false }`
[INFO] [stdout] 739ea60404d5de5001e77b670b1fef4b9f84af2979ffe574177bb2de51b194ce
[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] 9872b99b2a6818078d83312021ddaab40e14826beb7589030abd31ba769b20f0
[INFO] running `Command { std: "docker" "start" "-a" "9872b99b2a6818078d83312021ddaab40e14826beb7589030abd31ba769b20f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking uuid v1.15.1
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling diesel_table_macro_syntax v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling ft-derive v0.2.1
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling dsl_auto_type v0.1.3
[INFO] [stderr]    Compiling diesel_derives v2.2.4
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking smallvec v2.0.0-alpha.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ft-sys-shared v0.2.1
[INFO] [stderr]     Checking diesel v2.2.8
[INFO] [stderr]     Checking ft-sys v0.3.0
[INFO] [stderr]     Checking ft-sdk v0.6.3
[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/ft-sdk-0.6.3/src/lib.rs:8:43
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![cfg_attr(feature = "field-extractors", feature(adt_const_params))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ft-sdk` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9872b99b2a6818078d83312021ddaab40e14826beb7589030abd31ba769b20f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9872b99b2a6818078d83312021ddaab40e14826beb7589030abd31ba769b20f0", kill_on_drop: false }`
[INFO] [stdout] 9872b99b2a6818078d83312021ddaab40e14826beb7589030abd31ba769b20f0
