[INFO] cloning repository https://github.com/JarlEvanson/ringbuffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JarlEvanson/ringbuffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJarlEvanson%2Fringbuffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJarlEvanson%2Fringbuffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edc8414012034e711702cc673fcaae5c724baf86
[INFO] fixing JarlEvanson/ringbuffer against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJarlEvanson%2Fringbuffer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JarlEvanson/ringbuffer
[INFO] finished tweaking git repo https://github.com/JarlEvanson/ringbuffer
[INFO] tweaked toml for git repo https://github.com/JarlEvanson/ringbuffer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JarlEvanson/ringbuffer on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JarlEvanson/ringbuffer 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5f04533b8ca6e555cf03383c38df7379d298ae00bfb452aa029c1be2ca5ce1eb
[INFO] running `Command { std: "docker" "start" "5f04533b8ca6e555cf03383c38df7379d298ae00bfb452aa029c1be2ca5ce1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5f04533b8ca6e555cf03383c38df7379d298ae00bfb452aa029c1be2ca5ce1eb" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f04533b8ca6e555cf03383c38df7379d298ae00bfb452aa029c1be2ca5ce1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5f04533b8ca6e555cf03383c38df7379d298ae00bfb452aa029c1be2ca5ce1eb" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking ringbuffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `additional_size`
[INFO] [stdout]    --> src/lib.rs:629:25
[INFO] [stdout]     |
[INFO] [stdout] 629 |     pub fn reopen(self, additional_size: usize) -> Result<(ReservedMessage<'buffer, M>, M), Self> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_additional_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BASE_ID` is never used
[INFO] [stdout]   --> src/lib.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const BASE_ID: usize = BASE_SEQUENCE as usize;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `logical_end` is never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Ringbuffer<M: Metadata> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     logical_end: AtomicUsize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ringbuffer`, `sequence`, and `metadata` are never read
[INFO] [stdout]    --> src/lib.rs:622:5
[INFO] [stdout]     |
[INFO] [stdout] 621 | pub struct CommittedMessage<'buffer, M: Metadata> {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 622 |     ringbuffer: &'buffer Ringbuffer<M>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 623 |     sequence: u64,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 624 |     metadata: M,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store` is never used
[INFO] [stdout]    --> src/lib.rs:667:8
[INFO] [stdout]     |
[INFO] [stdout] 658 | impl AtomicDescriptorStateId {
[INFO] [stdout]     | ---------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 667 |     fn store(&self, id: DescriptorStateId, order: Ordering) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store` is never used
[INFO] [stdout]    --> src/lib.rs:744:8
[INFO] [stdout]     |
[INFO] [stdout] 735 | impl AtomicDescriptorId {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 744 |     fn store(&self, id: DescriptorId, order: Ordering) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]    --> src/lib.rs:820:8
[INFO] [stdout]     |
[INFO] [stdout] 820 | struct Block {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `additional_size`
[INFO] [stdout]    --> src/lib.rs:629:25
[INFO] [stdout]     |
[INFO] [stdout] 629 |     pub fn reopen(self, additional_size: usize) -> Result<(ReservedMessage<'buffer, M>, M), Self> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_additional_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BASE_ID` is never used
[INFO] [stdout]   --> src/lib.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const BASE_ID: usize = BASE_SEQUENCE as usize;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `logical_end` is never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Ringbuffer<M: Metadata> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     logical_end: AtomicUsize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ringbuffer`, `sequence`, and `metadata` are never read
[INFO] [stdout]    --> src/lib.rs:622:5
[INFO] [stdout]     |
[INFO] [stdout] 621 | pub struct CommittedMessage<'buffer, M: Metadata> {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout] 622 |     ringbuffer: &'buffer Ringbuffer<M>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 623 |     sequence: u64,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 624 |     metadata: M,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store` is never used
[INFO] [stdout]    --> src/lib.rs:667:8
[INFO] [stdout]     |
[INFO] [stdout] 658 | impl AtomicDescriptorStateId {
[INFO] [stdout]     | ---------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 667 |     fn store(&self, id: DescriptorStateId, order: Ordering) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store` is never used
[INFO] [stdout]    --> src/lib.rs:744:8
[INFO] [stdout]     |
[INFO] [stdout] 735 | impl AtomicDescriptorId {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 744 |     fn store(&self, id: DescriptorId, order: Ordering) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]    --> src/lib.rs:820:8
[INFO] [stdout]     |
[INFO] [stdout] 820 | struct Block {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `buffer_mut` found for struct `ReservedMessage<'buffer, M>` in the current scope
[INFO] [stdout]   --> tests/integration_tests.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     reserved.buffer_mut().copy_from_slice(b"hello, world!");
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `buffer` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 29 -     reserved.buffer_mut().copy_from_slice(b"hello, world!");
[INFO] [stdout] 29 +     reserved.buffer().copy_from_slice(b"hello, world!");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `finalize` found for struct `CommittedMessage<'buffer, M>` in the current scope
[INFO] [stdout]   --> tests/integration_tests.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 |     committed.finalize();
[INFO] [stdout]    |               ^^^^^^^^ method not found in `CommittedMessage<'_, TestMetadata>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `buffer_mut` found for struct `ReservedMessage<'buffer, M>` in the current scope
[INFO] [stdout]   --> tests/integration_tests.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |         reserved.buffer_mut().copy_from_slice(&[i as u8; 4]);
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `buffer` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 58 -         reserved.buffer_mut().copy_from_slice(&[i as u8; 4]);
[INFO] [stdout] 58 +         reserved.buffer().copy_from_slice(&[i as u8; 4]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `buffer_mut` found for struct `ReservedMessage<'buffer, M>` in the current scope
[INFO] [stdout]   --> tests/integration_tests.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 |     reserved.buffer_mut().copy_from_slice(b"12345678");
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `buffer` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 82 -     reserved.buffer_mut().copy_from_slice(b"12345678");
[INFO] [stdout] 82 +     reserved.buffer().copy_from_slice(b"12345678");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ringbuffer` (test "integration_tests") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "5f04533b8ca6e555cf03383c38df7379d298ae00bfb452aa029c1be2ca5ce1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f04533b8ca6e555cf03383c38df7379d298ae00bfb452aa029c1be2ca5ce1eb", kill_on_drop: false }`
[INFO] [stdout] 5f04533b8ca6e555cf03383c38df7379d298ae00bfb452aa029c1be2ca5ce1eb
