[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] dda92452e086bfb82c1378f18d87cacb639b4821
[INFO] testing jac3km4/try-redscript against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac3km4%2Ftry-redscript" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jac3km4/try-redscript on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-11/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" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sequence_trie v0.3.6
[INFO] [stderr]   Downloaded intmap v0.7.0
[INFO] [stderr]   Downloaded libc v0.2.100
[INFO] [stderr]   Downloaded hamt-sync v0.2.5
[INFO] [stderr]   Downloaded peg-runtime v0.7.0
[INFO] [stderr]   Downloaded peg-macros v0.7.0
[INFO] [stderr]   Downloaded yew v0.18.0
[INFO] [stderr]   Downloaded yew-macro v0.18.0
[INFO] [stderr]   Downloaded peg v0.7.0
[INFO] [stderr]   Downloaded casey v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b16198ab762d1dfd12f3fc52c3c507c928c51444a98ecc31600cc60c4e95a79
[INFO] running `Command { std: "docker" "start" "-a" "3b16198ab762d1dfd12f3fc52c3c507c928c51444a98ecc31600cc60c4e95a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b16198ab762d1dfd12f3fc52c3c507c928c51444a98ecc31600cc60c4e95a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b16198ab762d1dfd12f3fc52c3c507c928c51444a98ecc31600cc60c4e95a79", kill_on_drop: false }`
[INFO] [stdout] 3b16198ab762d1dfd12f3fc52c3c507c928c51444a98ecc31600cc60c4e95a79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 523bb1c77a156992bf945df2abee3c29a3759058f5f4126893e6ba699007816f
[INFO] running `Command { std: "docker" "start" "-a" "523bb1c77a156992bf945df2abee3c29a3759058f5f4126893e6ba699007816f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 bumpalo v3.7.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.72
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling yew v0.18.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling intmap v0.7.0
[INFO] [stderr]    Compiling cfg-match v0.2.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[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] [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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "523bb1c77a156992bf945df2abee3c29a3759058f5f4126893e6ba699007816f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523bb1c77a156992bf945df2abee3c29a3759058f5f4126893e6ba699007816f", kill_on_drop: false }`
[INFO] [stdout] 523bb1c77a156992bf945df2abee3c29a3759058f5f4126893e6ba699007816f