[INFO] fetching crate memlib 0.1.3...
[INFO] checking memlib-0.1.3 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate memlib 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate memlib 0.1.3 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memlib 0.1.3
[INFO] finished tweaking crates.io crate memlib 0.1.3
[INFO] tweaked toml for crates.io crate memlib 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate memlib 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded auto_impl v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b866e2cbb397ec05096a34ebe2a69d9443868aa5fef7f673b7b49a7f31ffe60
[INFO] running `Command { std: "docker" "start" "-a" "4b866e2cbb397ec05096a34ebe2a69d9443868aa5fef7f673b7b49a7f31ffe60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b866e2cbb397ec05096a34ebe2a69d9443868aa5fef7f673b7b49a7f31ffe60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b866e2cbb397ec05096a34ebe2a69d9443868aa5fef7f673b7b49a7f31ffe60", kill_on_drop: false }`
[INFO] [stdout] 4b866e2cbb397ec05096a34ebe2a69d9443868aa5fef7f673b7b49a7f31ffe60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 167d23af6eb66a894404354048253055b5e6ce4da180aa8ad8c57fb7a2162f1c
[INFO] running `Command { std: "docker" "start" "-a" "167d23af6eb66a894404354048253055b5e6ce4da180aa8ad8c57fb7a2162f1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling derive_pod v0.1.2
[INFO] [stderr]     Checking dataview v1.0.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling auto_impl v0.5.0
[INFO] [stderr]     Checking memlib v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]   --> src/slice_impl.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use crate::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `read`
[INFO] [stdout]   --> src/slice_impl.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn use_read(read: impl MemoryRead) {}
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `write`
[INFO] [stdout]   --> src/slice_impl.rs:48:18
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn use_write(write: impl MemoryWrite) {}
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `readwrite`
[INFO] [stdout]   --> src/slice_impl.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn use_readwrite(readwrite: impl MemoryRead + MemoryWrite) {}
[INFO] [stdout]    |                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_readwrite`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/slice_impl.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut buffer = [0u8; 10];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/slice_impl.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let mut buffer = [0u8; 10];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/slice_impl.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut buffer = [0u8; 10];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/slice_impl.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut buffer = [0u8; 10];
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MemoryReadExt` is imported redundantly
[INFO] [stdout]   --> examples/memory.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | use memlib::{MemoryRead, MemoryReadExt, MemoryWrite, MemoryWriteExt};
[INFO] [stdout]    |                          ------------- the item `MemoryReadExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 56 |     use memlib::MemoryReadExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `len` found for struct `RefCell` in the current scope
[INFO] [stdout]   --> examples/memory.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if address as usize + buffer.len() > self.0.len() {
[INFO] [stdout]    |                                                     ^^^ method not found in `RefCell<Vec<u8>>`
[INFO] [stdout]    |
[INFO] [stdout] note: the method `len` exists on the type `Vec<u8>`
[INFO] [stdout]   --> /rustc/9610dfe5a9a731ced1ea4923ecbd0c57fe367898/library/alloc/src/vec/mod.rs:2049:5
[INFO] [stdout] help: use `.borrow()` to borrow the `Vec<u8>`, panicking if a mutable borrow exists
[INFO] [stdout]    |
[INFO] [stdout] 34 |         if address as usize + buffer.len() > self.0.borrow().len() {
[INFO] [stdout]    |                                                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_volatile` found for raw pointer `*const u8` in the current scope
[INFO] [stdout]   --> examples/memory.rs:92:56
[INFO] [stdout]    |
[INFO] [stdout] 92 |             (*self.0).as_ptr().offset(offset as isize).write_volatile(value)
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^ help: there is a method with a similar name: `read_volatile`
[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] warning: unused import: `MemoryReadExt`
[INFO] [stdout]  --> examples/memory.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use memlib::{MemoryRead, MemoryReadExt, MemoryWrite, MemoryWriteExt};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memlib` (example "memory") due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "167d23af6eb66a894404354048253055b5e6ce4da180aa8ad8c57fb7a2162f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167d23af6eb66a894404354048253055b5e6ce4da180aa8ad8c57fb7a2162f1c", kill_on_drop: false }`
[INFO] [stdout] 167d23af6eb66a894404354048253055b5e6ce4da180aa8ad8c57fb7a2162f1c
