[INFO] cloning repository https://github.com/jac3km4/try-redscript
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jac3km4/try-redscript" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac3km4%2Ftry-redscript", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac3km4%2Ftry-redscript'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf51739ba31346c12c44feaa03d300efb01f27be
[INFO] testing jac3km4/try-redscript against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac3km4%2Ftry-redscript" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jac3km4/try-redscript on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jac3km4/try-redscript
[INFO] finished tweaking git repo https://github.com/jac3km4/try-redscript
[INFO] tweaked toml for git repo https://github.com/jac3km4/try-redscript written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jac3km4/try-redscript already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] aa8c0cd6034b89d6468d2725e4b62fe2b1a47f3cd6a7d6e568a1728cf3cb0e46
[INFO] running `Command { std: "docker" "start" "-a" "aa8c0cd6034b89d6468d2725e4b62fe2b1a47f3cd6a7d6e568a1728cf3cb0e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa8c0cd6034b89d6468d2725e4b62fe2b1a47f3cd6a7d6e568a1728cf3cb0e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8c0cd6034b89d6468d2725e4b62fe2b1a47f3cd6a7d6e568a1728cf3cb0e46", kill_on_drop: false }`
[INFO] [stdout] aa8c0cd6034b89d6468d2725e4b62fe2b1a47f3cd6a7d6e568a1728cf3cb0e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89598c3e9a13eabf3503d887e075adab54e2c38fdd4e0ed6ea67fbc949dce1b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "89598c3e9a13eabf3503d887e075adab54e2c38fdd4e0ed6ea67fbc949dce1b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24 (https://github.com/jac3km4/proc-macro2?branch=readd-wasm#01acb2c7)
[INFO] [stderr]    Compiling syn v1.0.48 (https://github.com/jac3km4/syn?branch=readd-proc-macro-wasm#dd471574)
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.72
[INFO] [stderr]    Compiling wasm-bindgen v0.2.72
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling yew v0.18.0
[INFO] [stderr]    Compiling intmap v0.7.0
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling hamt-sync v0.2.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hamt-sync-0.2.5/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.3
[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 `hamt-sync`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "89598c3e9a13eabf3503d887e075adab54e2c38fdd4e0ed6ea67fbc949dce1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89598c3e9a13eabf3503d887e075adab54e2c38fdd4e0ed6ea67fbc949dce1b4", kill_on_drop: false }`
[INFO] [stdout] 89598c3e9a13eabf3503d887e075adab54e2c38fdd4e0ed6ea67fbc949dce1b4
