[INFO] cloning repository https://github.com/zwerdlds/GlyphMosaic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zwerdlds/GlyphMosaic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwerdlds%2FGlyphMosaic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwerdlds%2FGlyphMosaic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e7edc39cd4bac82ae639d284a452013a19b52a0
[INFO] checking zwerdlds/GlyphMosaic against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwerdlds%2FGlyphMosaic" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zwerdlds/GlyphMosaic
[INFO] finished tweaking git repo https://github.com/zwerdlds/GlyphMosaic
[INFO] tweaked toml for git repo https://github.com/zwerdlds/GlyphMosaic written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zwerdlds/GlyphMosaic 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/zwerdlds/GlyphMosaic 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded roopes v0.1.2
[INFO] [stderr]   Downloaded uuid-macro-internal v1.5.0
[INFO] [stderr]   Downloaded derive-getters v0.3.0
[INFO] [stderr]   Downloaded delegate v0.9.0
[INFO] [stderr]   Downloaded roopes-core v0.1.1
[INFO] [stderr]   Downloaded embed-doc-image v0.1.4
[INFO] [stderr]   Downloaded roopes-derive v0.1.0
[INFO] [stderr]   Downloaded enclose v1.1.8
[INFO] [stderr]   Downloaded uuid v1.5.0
[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] e4da6ecc283bd431e7c822c8599b49bb5cc527cc06482598aa88f9152027254a
[INFO] running `Command { std: "docker" "start" "-a" "e4da6ecc283bd431e7c822c8599b49bb5cc527cc06482598aa88f9152027254a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4da6ecc283bd431e7c822c8599b49bb5cc527cc06482598aa88f9152027254a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4da6ecc283bd431e7c822c8599b49bb5cc527cc06482598aa88f9152027254a", kill_on_drop: false }`
[INFO] [stdout] e4da6ecc283bd431e7c822c8599b49bb5cc527cc06482598aa88f9152027254a
[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] 724dfeb8f9b803a4e70a3b0c53def68009c059970177e53e735e33158b1ef228
[INFO] running `Command { std: "docker" "start" "-a" "724dfeb8f9b803a4e70a3b0c53def68009c059970177e53e735e33158b1ef228", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling uuid-macro-internal v1.5.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling embed-doc-image v0.1.4
[INFO] [stderr]    Compiling delegate v0.9.0
[INFO] [stderr]    Compiling derive-getters v0.3.0
[INFO] [stderr]     Checking uuid v1.5.0
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]    Compiling roopes-core v0.1.1
[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/roopes-core-0.1.1/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `associated_type_bounds` has been stable since `1.79.0` and no longer requires an attribute to enable
[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/index.crates.io-1949cf8c6b5b557f/roopes-core-0.1.1/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `associated_type_bounds` has been stable since `1.79.0` 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 `roopes-core` (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 `roopes-core` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "724dfeb8f9b803a4e70a3b0c53def68009c059970177e53e735e33158b1ef228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724dfeb8f9b803a4e70a3b0c53def68009c059970177e53e735e33158b1ef228", kill_on_drop: false }`
[INFO] [stdout] 724dfeb8f9b803a4e70a3b0c53def68009c059970177e53e735e33158b1ef228