[INFO] fetching crate async-codec-util 0.3.3...
[INFO] checking async-codec-util-0.3.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate async-codec-util 0.3.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-codec-util 0.3.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-codec-util 0.3.3
[INFO] finished tweaking crates.io crate async-codec-util 0.3.3
[INFO] tweaked toml for crates.io crate async-codec-util 0.3.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-codec-util v0.3.3
[INFO] [stderr]   Downloaded async-codec v0.3.0
[INFO] [stderr]   Downloaded async-ringbuffer v0.3.1
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] [stderr]   Downloaded atm-io-utils v0.2.5
[INFO] [stderr]   Downloaded async-byteorder v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 087928190e408ac5623b29f3d5287434b27bac52d2725a753e7e753f1f8c5a2e
[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" "087928190e408ac5623b29f3d5287434b27bac52d2725a753e7e753f1f8c5a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "087928190e408ac5623b29f3d5287434b27bac52d2725a753e7e753f1f8c5a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087928190e408ac5623b29f3d5287434b27bac52d2725a753e7e753f1f8c5a2e", kill_on_drop: false }`
[INFO] [stdout] 087928190e408ac5623b29f3d5287434b27bac52d2725a753e7e753f1f8c5a2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a316049c7332ce2d3989fb1b3666f3cdd579c37d9fd15959a3d74909ff85425b
[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" "a316049c7332ce2d3989fb1b3666f3cdd579c37d9fd15959a3d74909ff85425b", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-core v0.2.1
[INFO] [stderr]     Checking futures-io v0.2.1
[INFO] [stderr]     Checking futures-channel v0.2.1
[INFO] [stderr]     Checking async-codec v0.3.0
[INFO] [stderr]     Checking async-ringbuffer v0.3.1
[INFO] [stderr]     Checking futures-sink v0.2.1
[INFO] [stderr]     Checking futures-util v0.2.1
[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` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a316049c7332ce2d3989fb1b3666f3cdd579c37d9fd15959a3d74909ff85425b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a316049c7332ce2d3989fb1b3666f3cdd579c37d9fd15959a3d74909ff85425b", kill_on_drop: false }`
[INFO] [stdout] a316049c7332ce2d3989fb1b3666f3cdd579c37d9fd15959a3d74909ff85425b
