[INFO] cloning repository https://github.com/fokit26/studies-at-Hogwarts-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fokit26/studies-at-Hogwarts-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffokit26%2Fstudies-at-Hogwarts-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffokit26%2Fstudies-at-Hogwarts-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1389ad54caae83d965e1e199db1c344749ff91b5
[INFO] checking fokit26/studies-at-Hogwarts-rust against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffokit26%2Fstudies-at-Hogwarts-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fokit26/studies-at-Hogwarts-rust
[INFO] finished tweaking git repo https://github.com/fokit26/studies-at-Hogwarts-rust
[INFO] tweaked toml for git repo https://github.com/fokit26/studies-at-Hogwarts-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fokit26/studies-at-Hogwarts-rust 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/fokit26/studies-at-Hogwarts-rust 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 integer-encoding v3.0.4
[INFO] [stderr]   Downloaded thiserror-impl v1.0.64
[INFO] [stderr]   Downloaded unicode-bidi v0.3.17
[INFO] [stderr]   Downloaded thiserror v1.0.64
[INFO] [stderr]   Downloaded clap_derive v4.5.18
[INFO] [stderr]   Downloaded bytes v1.7.2
[INFO] [stderr]   Downloaded tungstenite v0.24.0
[INFO] [stderr]   Downloaded clap v4.5.20
[INFO] [stderr]   Downloaded proc-macro2 v1.0.87
[INFO] [stderr]   Downloaded clap_builder v4.5.20
[INFO] [stderr]   Downloaded message-io v0.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d7b11f2df448fade11f6e954fe25321c536835484742051f8342e1c5672db143
[INFO] running `Command { std: "docker" "start" "-a" "d7b11f2df448fade11f6e954fe25321c536835484742051f8342e1c5672db143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b11f2df448fade11f6e954fe25321c536835484742051f8342e1c5672db143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b11f2df448fade11f6e954fe25321c536835484742051f8342e1c5672db143", kill_on_drop: false }`
[INFO] [stdout] d7b11f2df448fade11f6e954fe25321c536835484742051f8342e1c5672db143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4ffd1fe0ceadca4aa367839db73e7641347d5f041659ad6b2edab070681dd59c
[INFO] running `Command { std: "docker" "start" "-a" "4ffd1fe0ceadca4aa367839db73e7641347d5f041659ad6b2edab070681dd59c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.87
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]     Checking unicode-bidi v0.3.17
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]     Checking clap_builder v4.5.20
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap v4.5.20
[INFO] [stderr]     Checking tungstenite v0.24.0
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking message-io v0.18.2
[INFO] [stderr]     Checking hogwarts_guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/client.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/client.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[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 `hogwarts_guess` (bin "client") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hogwarts_guess` (bin "client" test) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4ffd1fe0ceadca4aa367839db73e7641347d5f041659ad6b2edab070681dd59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ffd1fe0ceadca4aa367839db73e7641347d5f041659ad6b2edab070681dd59c", kill_on_drop: false }`
[INFO] [stdout] 4ffd1fe0ceadca4aa367839db73e7641347d5f041659ad6b2edab070681dd59c
