[INFO] cloning repository https://github.com/asmoaesl/rscplot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asmoaesl/rscplot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmoaesl%2Frscplot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmoaesl%2Frscplot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7b4c554858569326aa73d554c2c19dc34883904
[INFO] testing asmoaesl/rscplot against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasmoaesl%2Frscplot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asmoaesl/rscplot on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asmoaesl/rscplot
[INFO] finished tweaking git repo https://github.com/asmoaesl/rscplot
[INFO] tweaked toml for git repo https://github.com/asmoaesl/rscplot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/asmoaesl/rscplot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/asmoaesl/rsc.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eaf41bcda56f0e689020d4b7c87247e93e7d078cd8f84fc606d470c753c7a163
[INFO] running `Command { std: "docker" "start" "-a" "eaf41bcda56f0e689020d4b7c87247e93e7d078cd8f84fc606d470c753c7a163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaf41bcda56f0e689020d4b7c87247e93e7d078cd8f84fc606d470c753c7a163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf41bcda56f0e689020d4b7c87247e93e7d078cd8f84fc606d470c753c7a163", kill_on_drop: false }`
[INFO] [stdout] eaf41bcda56f0e689020d4b7c87247e93e7d078cd8f84fc606d470c753c7a163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2dee5d6e7b87431f1feb639b33bf1d7bff75ee6b8a0ff5874fdd0537231783a
[INFO] running `Command { std: "docker" "start" "-a" "f2dee5d6e7b87431f1feb639b33bf1d7bff75ee6b8a0ff5874fdd0537231783a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsc v1.2.0 (https://github.com/asmoaesl/rsc.git#33b91a3e)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/rsc-46fa939093e15433/33b91a3/src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsc` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f2dee5d6e7b87431f1feb639b33bf1d7bff75ee6b8a0ff5874fdd0537231783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2dee5d6e7b87431f1feb639b33bf1d7bff75ee6b8a0ff5874fdd0537231783a", kill_on_drop: false }`
[INFO] [stdout] f2dee5d6e7b87431f1feb639b33bf1d7bff75ee6b8a0ff5874fdd0537231783a