[INFO] cloning repository https://github.com/iLePix/algos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iLePix/algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiLePix%2Falgos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiLePix%2Falgos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fbc4ed3570fb8e35a78165e9f88075f0c3c8261
[INFO] testing iLePix/algos against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiLePix%2Falgos" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iLePix/algos on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iLePix/algos
[INFO] finished tweaking git repo https://github.com/iLePix/algos
[INFO] tweaked toml for git repo https://github.com/iLePix/algos written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/iLePix/algos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/LinusDikomey/vecm`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99b2aaa98eb0a6d7953e4d7ccc4fa4ca9960a8ff90bafd23c694b7f9ffa99df3
[INFO] running `Command { std: "docker" "start" "-a" "99b2aaa98eb0a6d7953e4d7ccc4fa4ca9960a8ff90bafd23c694b7f9ffa99df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99b2aaa98eb0a6d7953e4d7ccc4fa4ca9960a8ff90bafd23c694b7f9ffa99df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b2aaa98eb0a6d7953e4d7ccc4fa4ca9960a8ff90bafd23c694b7f9ffa99df3", kill_on_drop: false }`
[INFO] [stdout] 99b2aaa98eb0a6d7953e4d7ccc4fa4ca9960a8ff90bafd23c694b7f9ffa99df3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ccf53e22e213ab2fc45c448ddd1e024c004ae02fb3292cb3887f87713f04d3a
[INFO] running `Command { std: "docker" "start" "-a" "0ccf53e22e213ab2fc45c448ddd1e024c004ae02fb3292cb3887f87713f04d3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling vecm v0.1.0 (https://github.com/LinusDikomey/vecm#eda7d55d)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/vecm-ff84346bccd660be/eda7d55/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn_trait_bound)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/vecm-ff84346bccd660be/eda7d55/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_exprs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr] error: could not compile `vecm` due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "0ccf53e22e213ab2fc45c448ddd1e024c004ae02fb3292cb3887f87713f04d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ccf53e22e213ab2fc45c448ddd1e024c004ae02fb3292cb3887f87713f04d3a", kill_on_drop: false }`
[INFO] [stdout] 0ccf53e22e213ab2fc45c448ddd1e024c004ae02fb3292cb3887f87713f04d3a