[INFO] fetching crate saltpig 0.0.0...
[INFO] checking saltpig-0.0.0 against beta for pr-78714
[INFO] extracting crate saltpig 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate saltpig 0.0.0 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 saltpig 0.0.0
[INFO] finished tweaking crates.io crate saltpig 0.0.0
[INFO] tweaked toml for crates.io crate saltpig 0.0.0 written to /workspace/builds/worker-2/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-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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 9022466c22e21841ed4ba5859e118d1cc471f329ecb58850d063b4c48f0fad06
[INFO] running `Command { std: "docker" "start" "-a" "9022466c22e21841ed4ba5859e118d1cc471f329ecb58850d063b4c48f0fad06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9022466c22e21841ed4ba5859e118d1cc471f329ecb58850d063b4c48f0fad06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9022466c22e21841ed4ba5859e118d1cc471f329ecb58850d063b4c48f0fad06", kill_on_drop: false }`
[INFO] [stdout] 9022466c22e21841ed4ba5859e118d1cc471f329ecb58850d063b4c48f0fad06
[INFO] running `Command { std: "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d82507cf4e588f0269fd9673887fdc93603141e1bc449d1c4965810ab420cc6
[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" "4d82507cf4e588f0269fd9673887fdc93603141e1bc449d1c4965810ab420cc6", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking saltpig v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | #![feature(try_from)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/de.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |             n @ 0...23 => Prefix::from((major, n.into())),
[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/de.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |             n @ 28...30 => return Err(Error::UnknownInfo(n, major)),
[INFO] [stdout]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/de.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |             32...255 => unreachable!(),
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:222:22
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 n @ 0...23 => Value::from_simple_value(n),
[INFO] [stdout]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:236:23
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 n @ 28...30 => return Err(Error::UnknownInfo(n, Major::Simple)),
[INFO] [stdout]     |                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/de.rs:238:19
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 32...255 => unreachable!(),
[INFO] [stdout]     |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `half::consts::NAN`: moved to [`f16::NAN`](../struct.f16.html#associatedconstant.NAN)
[INFO] [stdout]    --> src/value/convert.rs:231:27
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 return Ok(::half::consts::NAN)
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:122:34
[INFO] [stdout]     |
[INFO] [stdout] 122 |         formatter.write_str(self.description())?;
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:244:34
[INFO] [stdout]     |
[INFO] [stdout] 244 |         formatter.write_str(self.description())?;
[INFO] [stdout]     |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `half::f16::as_bits`: renamed to [`to_bits`](#method.to_bits)
[INFO] [stdout]    --> src/value/mod.rs:242:27
[INFO] [stdout]     |
[INFO] [stdout] 242 |                         x.as_bits(),
[INFO] [stdout]     |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 12 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 `saltpig`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4d82507cf4e588f0269fd9673887fdc93603141e1bc449d1c4965810ab420cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d82507cf4e588f0269fd9673887fdc93603141e1bc449d1c4965810ab420cc6", kill_on_drop: false }`
[INFO] [stdout] 4d82507cf4e588f0269fd9673887fdc93603141e1bc449d1c4965810ab420cc6