[INFO] fetching crate wasm-bpf-rs 0.3.2...
[INFO] checking wasm-bpf-rs-0.3.2 against master#a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb for pr-151109
[INFO] extracting crate wasm-bpf-rs 0.3.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate wasm-bpf-rs 0.3.2
[INFO] finished tweaking crates.io crate wasm-bpf-rs 0.3.2
[INFO] tweaked toml for crates.io crate wasm-bpf-rs 0.3.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm-bpf-rs 0.3.2 on toolchain a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 7af48ae0d29df0fc8383d3fd4ee1c76295f937659a29b366099845487c554481
[INFO] running `Command { std: "docker" "start" "-a" "7af48ae0d29df0fc8383d3fd4ee1c76295f937659a29b366099845487c554481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7af48ae0d29df0fc8383d3fd4ee1c76295f937659a29b366099845487c554481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af48ae0d29df0fc8383d3fd4ee1c76295f937659a29b366099845487c554481", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "35f522c54e129d001f797d2e4c39a9b8e5b0bc4240d2e5b38de273554ab60e1a", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `ensure_program_mut_by_state`
[INFO] [stdout]   --> src/bpf/poll.rs:15:57
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ensure_enough_memory, ensure_program_mut_by_caller, ensure_program_mut_by_state,
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ensure_program_mut_by_state`
[INFO] [stdout]   --> src/bpf/poll.rs:15:57
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ensure_enough_memory, ensure_program_mut_by_caller, ensure_program_mut_by_state,
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bpf/load.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut state = caller.data_mut();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bpf/load.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut state = caller.data_mut();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `callback_func` is never read
[INFO] [stdout]   --> src/state.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[self_referencing(pub_extras)]
[INFO] [stdout]    | ------------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub callback_func: RingBufferCallback,
[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 `callback_func` is never read
[INFO] [stdout]   --> src/state.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[self_referencing(pub_extras)]
[INFO] [stdout]    | ------------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub callback_func: PerfBufferSampleCallback,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_wasm_string` and `read_wasm_string_slice` are never used
[INFO] [stdout]   --> src/utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait CallerUtils {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn read_wasm_string(&mut self, offset: usize) -> anyhow::Result<Vec<u8>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     // Terminated zero won't be included
[INFO] [stdout] 20 |     fn read_wasm_string_slice(&mut self, offset: usize) -> anyhow::Result<&[u8]>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/state.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn get_object(&self) -> Ref<Object> {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn get_object(&self) -> Ref<'_, Object> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/state.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_object_mut(&self) -> RefMut<Object> {
[INFO] [stdout]    |                           ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_object_mut(&self) -> RefMut<'_, Object> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pipe.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn borrow(&self) -> std::sync::RwLockWriteGuard<W> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn borrow(&self) -> std::sync::RwLockWriteGuard<'_, W> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pipe.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_read_lock(&self) -> std::sync::RwLockReadGuard<W> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_read_lock(&self) -> std::sync::RwLockReadGuard<'_, W> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `callback_func` is never read
[INFO] [stdout]   --> src/state.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[self_referencing(pub_extras)]
[INFO] [stdout]    | ------------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub callback_func: RingBufferCallback,
[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 `callback_func` is never read
[INFO] [stdout]   --> src/state.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[self_referencing(pub_extras)]
[INFO] [stdout]    | ------------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub callback_func: PerfBufferSampleCallback,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `read_wasm_string` and `read_wasm_string_slice` are never used
[INFO] [stdout]   --> src/utils.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait CallerUtils {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn read_wasm_string(&mut self, offset: usize) -> anyhow::Result<Vec<u8>>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     // Terminated zero won't be included
[INFO] [stdout] 20 |     fn read_wasm_string_slice(&mut self, offset: usize) -> anyhow::Result<&[u8]>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/state.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn get_object(&self) -> Ref<Object> {
[INFO] [stdout]    |                       ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn get_object(&self) -> Ref<'_, Object> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/state.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_object_mut(&self) -> RefMut<Object> {
[INFO] [stdout]    |                           ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_object_mut(&self) -> RefMut<'_, Object> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pipe.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn borrow(&self) -> std::sync::RwLockWriteGuard<W> {
[INFO] [stdout]    |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn borrow(&self) -> std::sync::RwLockWriteGuard<'_, W> {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pipe.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_read_lock(&self) -> std::sync::RwLockReadGuard<W> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn get_read_lock(&self) -> std::sync::RwLockReadGuard<'_, W> {
[INFO] [stdout]    |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.92s
[INFO] running `Command { std: "docker" "inspect" "35f522c54e129d001f797d2e4c39a9b8e5b0bc4240d2e5b38de273554ab60e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f522c54e129d001f797d2e4c39a9b8e5b0bc4240d2e5b38de273554ab60e1a", kill_on_drop: false }`
[INFO] [stdout] 35f522c54e129d001f797d2e4c39a9b8e5b0bc4240d2e5b38de273554ab60e1a
