[INFO] fetching crate async-byteorder 0.3.0...
[INFO] testing async-byteorder-0.3.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate async-byteorder 0.3.0 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate async-byteorder 0.3.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-byteorder 0.3.0
[INFO] finished tweaking crates.io crate async-byteorder 0.3.0
[INFO] tweaked toml for crates.io crate async-byteorder 0.3.0 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 825763950d2e42cfabe671516ea2ed6f60a609e1e827dbd96137ebffa2aa93bd
[INFO] running `Command { std: "docker" "start" "-a" "825763950d2e42cfabe671516ea2ed6f60a609e1e827dbd96137ebffa2aa93bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "825763950d2e42cfabe671516ea2ed6f60a609e1e827dbd96137ebffa2aa93bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825763950d2e42cfabe671516ea2ed6f60a609e1e827dbd96137ebffa2aa93bd", kill_on_drop: false }`
[INFO] [stdout] 825763950d2e42cfabe671516ea2ed6f60a609e1e827dbd96137ebffa2aa93bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 694bbe7e38f0fe9886d2851c8064ec0df7132f0c8902a1d7168a7712c8a3deec
[INFO] running `Command { std: "docker" "start" "-a" "694bbe7e38f0fe9886d2851c8064ec0df7132f0c8902a1d7168a7712c8a3deec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling futures-core v0.2.1
[INFO] [stderr]    Compiling futures-io v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.2.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling async-codec v0.3.0
[INFO] [stderr]    Compiling futures-sink v0.2.1
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling futures-util v0.2.1
[INFO] [stderr]    Compiling atm-io-utils v0.2.5
[INFO] [stderr]    Compiling futures-executor v0.2.1
[INFO] [stderr]    Compiling async-codec-util v0.3.3
[INFO] [stderr]    Compiling async-byteorder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "694bbe7e38f0fe9886d2851c8064ec0df7132f0c8902a1d7168a7712c8a3deec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694bbe7e38f0fe9886d2851c8064ec0df7132f0c8902a1d7168a7712c8a3deec", kill_on_drop: false }`
[INFO] [stdout] 694bbe7e38f0fe9886d2851c8064ec0df7132f0c8902a1d7168a7712c8a3deec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f222d2d41fdaa26d06ec3f0798ff39dbabbd2b6fc6e9d64fd7384feafaea387
[INFO] running `Command { std: "docker" "start" "-a" "6f222d2d41fdaa26d06ec3f0798ff39dbabbd2b6fc6e9d64fd7384feafaea387", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling async-ringbuffer v0.3.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-ringbuffer-0.3.1/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(offset_to)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `offset_to` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-ringbuffer-0.3.1/src/lib.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 .offset_to(self.read.offset(self.amount as isize))
[INFO] [stdout]    |                  ^^^^^^^^^ help: there is an associated function with a similar name: `offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]    = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `offset_to` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-ringbuffer-0.3.1/src/lib.rs:133:46
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let distance_we = rb.write_ptr().offset_to(end).unwrap() as usize;
[INFO] [stdout]     |                                              ^^^^^^^^^ help: there is an associated function with a similar name: `offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `offset_to` found for raw pointer `*mut u8` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-ringbuffer-0.3.1/src/lib.rs:225:39
[INFO] [stdout]     |
[INFO] [stdout] 225 |             let distance_re = rb.read.offset_to(end).unwrap() as usize;
[INFO] [stdout]     |                                       ^^^^^^^^^ help: there is an associated function with a similar name: `offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: try using `<*const T>::as_ref()` to get a reference to the type behind the pointer: https://doc.rust-lang.org/std/primitive.pointer.html#method.as_ref
[INFO] [stdout]     = note: using `<*const T>::as_ref()` on a pointer which is unaligned or points to invalid or uninitialized memory is undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-ringbuffer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6f222d2d41fdaa26d06ec3f0798ff39dbabbd2b6fc6e9d64fd7384feafaea387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f222d2d41fdaa26d06ec3f0798ff39dbabbd2b6fc6e9d64fd7384feafaea387", kill_on_drop: false }`
[INFO] [stdout] 6f222d2d41fdaa26d06ec3f0798ff39dbabbd2b6fc6e9d64fd7384feafaea387
