[INFO] cloning repository https://github.com/manglemix/teach-tech
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manglemix/teach-tech" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanglemix%2Fteach-tech", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanglemix%2Fteach-tech'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b8bbd9b3ff891e2cad3042c99e01ca1efb03959
[INFO] checking manglemix/teach-tech against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanglemix%2Fteach-tech" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/manglemix/teach-tech
[INFO] finished tweaking git repo https://github.com/manglemix/teach-tech
[INFO] tweaked toml for git repo https://github.com/manglemix/teach-tech written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/manglemix/teach-tech 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/manglemix/teach-tech 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]  Downloading crates ...
[INFO] [stderr]   Downloaded sea-orm-migration v1.1.1
[INFO] [stderr]   Downloaded sea-orm-cli v1.1.1
[INFO] [stderr]   Downloaded sea-query-derive v0.4.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.68
[INFO] [stderr]   Downloaded notify-types v1.0.0
[INFO] [stderr]   Downloaded thiserror v1.0.68
[INFO] [stderr]   Downloaded axum-extra v0.9.4
[INFO] [stderr]   Downloaded axum-macros v0.3.8
[INFO] [stderr]   Downloaded url v2.5.3
[INFO] [stderr]   Downloaded bigdecimal v0.4.6
[INFO] [stderr]   Downloaded sea-orm-macros v1.1.1
[INFO] [stderr]   Downloaded tower-http v0.6.1
[INFO] [stderr]   Downloaded axum v0.7.7
[INFO] [stderr]   Downloaded sea-query v0.32.0
[INFO] [stderr]   Downloaded rustix v0.38.39
[INFO] [stderr]   Downloaded rustls v0.23.16
[INFO] [stderr]   Downloaded sea-orm v1.1.1
[INFO] [stderr]   Downloaded sea-schema v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3150ac3d26135fcb289b93bf9e952e9dbb787e7d9a09cb1a0741844f69834509
[INFO] running `Command { std: "docker" "start" "-a" "3150ac3d26135fcb289b93bf9e952e9dbb787e7d9a09cb1a0741844f69834509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3150ac3d26135fcb289b93bf9e952e9dbb787e7d9a09cb1a0741844f69834509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3150ac3d26135fcb289b93bf9e952e9dbb787e7d9a09cb1a0741844f69834509", kill_on_drop: false }`
[INFO] [stdout] 3150ac3d26135fcb289b93bf9e952e9dbb787e7d9a09cb1a0741844f69834509
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cd6389c868795c78de31bc120d372428d3d15b9032361af903ec63ec198d9249
[INFO] running `Command { std: "docker" "start" "-a" "cd6389c868795c78de31bc120d372428d3d15b9032361af903ec63ec198d9249", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling serde v1.0.214
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling thiserror v1.0.68
[INFO] [stderr]    Compiling cc v1.1.36
[INFO] [stderr]     Checking litemap v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling bigdecimal v0.4.6
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling rust_decimal v1.36.0
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking rustls-pki-types v1.10.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling rustls v0.23.16
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking webpki-roots v0.26.6
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking unicode-properties v0.1.3
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking winnow v0.6.20
[INFO] [stderr]     Checking whoami v1.5.2
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking sqlformat v0.2.6
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking headers v0.4.0
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking notify-types v1.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking inotify v0.10.2
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking notify v7.0.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking argon2 v0.5.3
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.68
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling inherent v1.0.11
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling zerofrom-derive v0.1.4
[INFO] [stderr]    Compiling yoke-derive v0.7.4
[INFO] [stderr]    Compiling ouroboros_macro v0.18.4
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling sea-bae v0.2.1
[INFO] [stderr]    Compiling sea-schema-derive v0.3.0
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]    Compiling sea-orm-macros v1.1.1
[INFO] [stderr]    Compiling axum-macros v0.3.8
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerofrom v0.1.4
[INFO] [stderr]     Checking yoke v0.7.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking clap v4.5.20
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ouroboros v0.18.4
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling sea-query-derive v0.4.2
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking tungstenite v0.24.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking axum-core v0.4.5
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking semver v1.0.23
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tokio v1.41.0
[INFO] [stderr]     Checking futures-intrusive v0.5.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking pkcs1 v0.7.5
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking rsa v0.9.6
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.3
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking sea-query v0.32.0
[INFO] [stderr]     Checking teach-tech v0.1.0 (/opt/rustwide/workdir/teach-tech)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> teach-tech/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> teach-tech/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_blocks)]
[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 `teach-tech` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `teach-tech` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cd6389c868795c78de31bc120d372428d3d15b9032361af903ec63ec198d9249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd6389c868795c78de31bc120d372428d3d15b9032361af903ec63ec198d9249", kill_on_drop: false }`
[INFO] [stdout] cd6389c868795c78de31bc120d372428d3d15b9032361af903ec63ec198d9249
