[INFO] fetching crate fixed_len_str 0.3.3...
[INFO] checking fixed_len_str-0.3.3 against beta for pr-78714
[INFO] extracting crate fixed_len_str 0.3.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fixed_len_str 0.3.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fixed_len_str 0.3.3
[INFO] finished tweaking crates.io crate fixed_len_str 0.3.3
[INFO] tweaked toml for crates.io crate fixed_len_str 0.3.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ba24ead75d715a3b8c5ab726657905eb0cad8aaaaae16394983215f98593414
[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" "1ba24ead75d715a3b8c5ab726657905eb0cad8aaaaae16394983215f98593414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba24ead75d715a3b8c5ab726657905eb0cad8aaaaae16394983215f98593414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba24ead75d715a3b8c5ab726657905eb0cad8aaaaae16394983215f98593414", kill_on_drop: false }`
[INFO] [stdout] 1ba24ead75d715a3b8c5ab726657905eb0cad8aaaaae16394983215f98593414
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22ac51bcc6ead4654359cacf37e942d9dec88ba3ab43ce443630b3509098e00f
[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" "22ac51bcc6ead4654359cacf37e942d9dec88ba3ab43ce443630b3509098e00f", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed_len_str v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `fixed_str_nz3::Closure`
[INFO] [stdout]  --> tests/a.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fixed_str_nz3::Closure;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^ no `Closure` in `fixed_str_nz3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/a.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed_len_str`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "22ac51bcc6ead4654359cacf37e942d9dec88ba3ab43ce443630b3509098e00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ac51bcc6ead4654359cacf37e942d9dec88ba3ab43ce443630b3509098e00f", kill_on_drop: false }`
[INFO] [stdout] 22ac51bcc6ead4654359cacf37e942d9dec88ba3ab43ce443630b3509098e00f