[INFO] crate tlv_parser 0.6.0 is already in cache
[INFO] testing tlv_parser-0.6.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate tlv_parser 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tlv_parser 0.6.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tlv_parser 0.6.0
[INFO] finished tweaking crates.io crate tlv_parser 0.6.0
[INFO] tweaked toml for crates.io crate tlv_parser 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82f888f6e617624d3bdde3d709f0cfa874654f3b7a1530676573a70ebcb63178
[INFO] running `"docker" "start" "-a" "82f888f6e617624d3bdde3d709f0cfa874654f3b7a1530676573a70ebcb63178"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tlv_parser v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(alloc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tlv.rs:223:28
[INFO] [stderr]     |
[INFO] [stderr] 223 |     fn read_tag(iter: &mut ExactSizeIterator<Item = &u8>) -> Result<Tag> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExactSizeIterator<Item = &u8>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tlv.rs:251:28
[INFO] [stderr]     |
[INFO] [stderr] 251 |     fn read_len(iter: &mut ExactSizeIterator<Item = &u8>) -> Result<usize> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExactSizeIterator<Item = &u8>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tlv.rs:285:29
[INFO] [stderr]     |
[INFO] [stderr] 285 |     fn from_iter(iter: &mut ExactSizeIterator<Item = &u8>) -> Result<Tlv> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ExactSizeIterator<Item = &u8>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `tlv_parser`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "82f888f6e617624d3bdde3d709f0cfa874654f3b7a1530676573a70ebcb63178"`
[INFO] running `"docker" "rm" "-f" "82f888f6e617624d3bdde3d709f0cfa874654f3b7a1530676573a70ebcb63178"`
[INFO] [stdout] 82f888f6e617624d3bdde3d709f0cfa874654f3b7a1530676573a70ebcb63178