[INFO] cloning repository https://github.com/mikegedelman/rust-no-std-ice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikegedelman/rust-no-std-ice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikegedelman%2Frust-no-std-ice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikegedelman%2Frust-no-std-ice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45285be930b4329d4f0254149ca9f1b96c1a6ae8
[INFO] testing mikegedelman/rust-no-std-ice against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikegedelman%2Frust-no-std-ice" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikegedelman/rust-no-std-ice on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-23/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/mikegedelman/rust-no-std-ice
[INFO] finished tweaking git repo https://github.com/mikegedelman/rust-no-std-ice
[INFO] tweaked toml for git repo https://github.com/mikegedelman/rust-no-std-ice written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/mikegedelman/rust-no-std-ice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4829a5d8380669554d1cd936ae2063600ecf8b0b06cfc4375fac4a761ac97c7
[INFO] running `Command { std: "docker" "start" "-a" "a4829a5d8380669554d1cd936ae2063600ecf8b0b06cfc4375fac4a761ac97c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4829a5d8380669554d1cd936ae2063600ecf8b0b06cfc4375fac4a761ac97c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4829a5d8380669554d1cd936ae2063600ecf8b0b06cfc4375fac4a761ac97c7", kill_on_drop: false }`
[INFO] [stdout] a4829a5d8380669554d1cd936ae2063600ecf8b0b06cfc4375fac4a761ac97c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed376a914f6f2c6ecde17166acb0cf4df9874d54a1f176c74c49158d26b466fa
[INFO] running `Command { std: "docker" "start" "-a" "ed376a914f6f2c6ecde17166acb0cf4df9874d54a1f176c74c49158d26b466fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling no_std_lib v0.0.1 (/opt/rustwide/workdir/no_std_lib)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> no_std_lib/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0718]: `start` language item must be applied to a function with 1 generic argument
[INFO] [stdout]  --> no_std_lib/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[lang = "start"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | fn lang_start() {}
[INFO] [stdout]   |              - this function has 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0718.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `no_std_lib` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ed376a914f6f2c6ecde17166acb0cf4df9874d54a1f176c74c49158d26b466fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed376a914f6f2c6ecde17166acb0cf4df9874d54a1f176c74c49158d26b466fa", kill_on_drop: false }`
[INFO] [stdout] ed376a914f6f2c6ecde17166acb0cf4df9874d54a1f176c74c49158d26b466fa