[INFO] fetching crate wasmir 0.1.13...
[INFO] testing wasmir-0.1.13 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate wasmir 0.1.13 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate wasmir 0.1.13 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] started tweaking crates.io crate wasmir 0.1.13
[INFO] finished tweaking crates.io crate wasmir 0.1.13
[INFO] tweaked toml for crates.io crate wasmir 0.1.13 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate wasmir 0.1.13 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-04-10" "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] 56bc445051bde2db65417bf86d7fcebcf2cc2de98c3a1e0014ef9ddf0924bd69
[INFO] running `Command { std: "docker" "start" "-a" "56bc445051bde2db65417bf86d7fcebcf2cc2de98c3a1e0014ef9ddf0924bd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56bc445051bde2db65417bf86d7fcebcf2cc2de98c3a1e0014ef9ddf0924bd69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56bc445051bde2db65417bf86d7fcebcf2cc2de98c3a1e0014ef9ddf0924bd69", kill_on_drop: false }`
[INFO] [stdout] 56bc445051bde2db65417bf86d7fcebcf2cc2de98c3a1e0014ef9ddf0924bd69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-04-10" "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] 093edcf7e0191dfb7831e1fcddc798cdb3f7dfc45f46c8db45d36a1f6db6f680
[INFO] running `Command { std: "docker" "start" "-a" "093edcf7e0191dfb7831e1fcddc798cdb3f7dfc45f46c8db45d36a1f6db6f680", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]    Compiling wasmir v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(string_remove_matches)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmir` due to 2 previous errors
[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] running `Command { std: "docker" "inspect" "093edcf7e0191dfb7831e1fcddc798cdb3f7dfc45f46c8db45d36a1f6db6f680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093edcf7e0191dfb7831e1fcddc798cdb3f7dfc45f46c8db45d36a1f6db6f680", kill_on_drop: false }`
[INFO] [stdout] 093edcf7e0191dfb7831e1fcddc798cdb3f7dfc45f46c8db45d36a1f6db6f680