[INFO] fetching crate two-sided-vec 0.1.10...
[INFO] checking two-sided-vec-0.1.10 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate two-sided-vec 0.1.10 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate two-sided-vec 0.1.10 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 two-sided-vec 0.1.10
[INFO] finished tweaking crates.io crate two-sided-vec 0.1.10
[INFO] tweaked toml for crates.io crate two-sided-vec 0.1.10 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 151cac9aae1699f935396656d593a7668aa0b1e721ac900bc08bf84f9c64495b
[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" "151cac9aae1699f935396656d593a7668aa0b1e721ac900bc08bf84f9c64495b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "151cac9aae1699f935396656d593a7668aa0b1e721ac900bc08bf84f9c64495b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151cac9aae1699f935396656d593a7668aa0b1e721ac900bc08bf84f9c64495b", kill_on_drop: false }`
[INFO] [stdout] 151cac9aae1699f935396656d593a7668aa0b1e721ac900bc08bf84f9c64495b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55bd4b7e4d32baa7d72d7c8fff5d87370561f5009f71f64fad545c45cdac996f
[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" "55bd4b7e4d32baa7d72d7c8fff5d87370561f5009f71f64fad545c45cdac996f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking two-sided-vec v0.1.10 (/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(
[INFO] [stdout] 2 | |     dropck_eyepatch, // Needed to bypass dropchk
[INFO] [stdout] 3 | |     allocator_api, // We need to allocate raw memory
[INFO] [stdout] 4 | |     alloc_layout_extra, // We need to allocate memory
[INFO] [stdout] 5 | |     trusted_len, // Trusted length iterators improve performance
[INFO] [stdout] 6 | |     min_specialization, // Used to improve extend performance
[INFO] [stdout] 7 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> src/raw.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let memory = heap.alloc(layout)
[INFO] [stdout]    |                               ^^^^^ ------ supplied 1 argument
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               expected 2 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_ptr` found for struct `std::alloc::MemoryBlock` in the current scope
[INFO] [stdout]   --> src/raw.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let middle = (memory.as_ptr() as *mut T).add(capacity.back);
[INFO] [stdout]    |                                  ^^^^^^ method not found in `std::alloc::MemoryBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `two-sided-vec`.
[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" "55bd4b7e4d32baa7d72d7c8fff5d87370561f5009f71f64fad545c45cdac996f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55bd4b7e4d32baa7d72d7c8fff5d87370561f5009f71f64fad545c45cdac996f", kill_on_drop: false }`
[INFO] [stdout] 55bd4b7e4d32baa7d72d7c8fff5d87370561f5009f71f64fad545c45cdac996f
