[INFO] crate cbor-no-std 0.3.0 is already in cache
[INFO] testing cbor-no-std-0.3.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate cbor-no-std 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cbor-no-std 0.3.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbor-no-std 0.3.0
[INFO] finished tweaking crates.io crate cbor-no-std 0.3.0
[INFO] tweaked toml for crates.io crate cbor-no-std 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e3c61e336248a4b398ac78c66dddda1828cb9b92288bb8c10e25d5849829992
[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" "3e3c61e336248a4b398ac78c66dddda1828cb9b92288bb8c10e25d5849829992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e3c61e336248a4b398ac78c66dddda1828cb9b92288bb8c10e25d5849829992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3c61e336248a4b398ac78c66dddda1828cb9b92288bb8c10e25d5849829992", kill_on_drop: false }`
[INFO] [stdout] 3e3c61e336248a4b398ac78c66dddda1828cb9b92288bb8c10e25d5849829992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d0f4fb57f2a91c3a159e7aa2d5f96fbadfb4c51f09e8444a5b61c99cd528ab2
[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" "8d0f4fb57f2a91c3a159e7aa2d5f96fbadfb4c51f09e8444a5b61c99cd528ab2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cbor-no-std v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lang_items, alloc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/de.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |             value @ 0b00000...0b10111 => value,
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ser.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |             n @ 0 ... 23 => vec![bytes::concat(major_type, n as u8)],
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/ser.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |             n @ 24 ... 255 => vec![bytes::concat(major_type, 24), n as u8],
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbor-no-std`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8d0f4fb57f2a91c3a159e7aa2d5f96fbadfb4c51f09e8444a5b61c99cd528ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d0f4fb57f2a91c3a159e7aa2d5f96fbadfb4c51f09e8444a5b61c99cd528ab2", kill_on_drop: false }`
[INFO] [stdout] 8d0f4fb57f2a91c3a159e7aa2d5f96fbadfb4c51f09e8444a5b61c99cd528ab2