[INFO] cloning repository https://github.com/Torrencem/addcomb_kyle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Torrencem/addcomb_kyle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorrencem%2Faddcomb_kyle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorrencem%2Faddcomb_kyle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51915fb1555806eeb60d72b1a494cc07a25a4bda
[INFO] testing Torrencem/addcomb_kyle against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorrencem%2Faddcomb_kyle" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Torrencem/addcomb_kyle
[INFO] finished tweaking git repo https://github.com/Torrencem/addcomb_kyle
[INFO] tweaked toml for git repo https://github.com/Torrencem/addcomb_kyle written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Torrencem/addcomb_kyle on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Torrencem/addcomb_kyle 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Torrencem/addcomb-comp`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste-impl v0.1.18
[INFO] [stderr]   Downloaded paste v0.1.18
[INFO] [stderr]   Downloaded specialize v0.0.3
[INFO] [stderr]   Downloaded array_tool v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7bb3422d79ca68b7122735e8f0ca7564a9b617fd8bfd2468ff0d97c442ef5a3a
[INFO] running `Command { std: "docker" "start" "7bb3422d79ca68b7122735e8f0ca7564a9b617fd8bfd2468ff0d97c442ef5a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bb3422d79ca68b7122735e8f0ca7564a9b617fd8bfd2468ff0d97c442ef5a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7bb3422d79ca68b7122735e8f0ca7564a9b617fd8bfd2468ff0d97c442ef5a3a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bb3422d79ca68b7122735e8f0ca7564a9b617fd8bfd2468ff0d97c442ef5a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7bb3422d79ca68b7122735e8f0ca7564a9b617fd8bfd2468ff0d97c442ef5a3a" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling specialize v0.0.3
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling addcomb_comp v0.1.5 (https://github.com/Torrencem/addcomb-comp?branch=main#4680e352)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/addcomb-comp-12b19a5bd4266218/4680e35/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[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 `addcomb_comp` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7bb3422d79ca68b7122735e8f0ca7564a9b617fd8bfd2468ff0d97c442ef5a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb3422d79ca68b7122735e8f0ca7564a9b617fd8bfd2468ff0d97c442ef5a3a", kill_on_drop: false }`
[INFO] [stdout] 7bb3422d79ca68b7122735e8f0ca7564a9b617fd8bfd2468ff0d97c442ef5a3a
