[INFO] fetching crate lv2_raw 0.2.0...
[INFO] checking lv2_raw-0.2.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate lv2_raw 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate lv2_raw 0.2.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lv2_raw 0.2.0
[INFO] finished tweaking crates.io crate lv2_raw 0.2.0
[INFO] tweaked toml for crates.io crate lv2_raw 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d484f0242a7c685244d6b2079de280d34755483ad377b045c9afb639b97196e
[INFO] running `Command { std: "docker" "start" "-a" "5d484f0242a7c685244d6b2079de280d34755483ad377b045c9afb639b97196e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d484f0242a7c685244d6b2079de280d34755483ad377b045c9afb639b97196e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d484f0242a7c685244d6b2079de280d34755483ad377b045c9afb639b97196e", kill_on_drop: false }`
[INFO] [stdout] 5d484f0242a7c685244d6b2079de280d34755483ad377b045c9afb639b97196e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6de0122e10e12ac1317b68172b5ddfaa4d3a7d1bd91870fa220aca0f32ec0f13
[INFO] running `Command { std: "docker" "start" "-a" "6de0122e10e12ac1317b68172b5ddfaa4d3a7d1bd91870fa220aca0f32ec0f13", kill_on_drop: false }`
[INFO] [stderr]     Checking lv2_raw v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/core.rs:113:57
[INFO] [stdout]     |
[INFO] [stdout] 113 | ...                   features: *const (*const LV2Feature))
[INFO] [stdout]     |                                        ^                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -                                        features: *const (*const LV2Feature))
[INFO] [stdout] 113 +                                        features: *const *const LV2Feature)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/core.rs:245:58
[INFO] [stdout]     |
[INFO] [stdout] 245 |     pub extension_data: extern "C" fn(uri: *const u8) -> (*const libc::c_void),
[INFO] [stdout]     |                                                          ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 245 -     pub extension_data: extern "C" fn(uri: *const u8) -> (*const libc::c_void),
[INFO] [stdout] 245 +     pub extension_data: extern "C" fn(uri: *const u8) -> *const libc::c_void,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/core.rs:113:57
[INFO] [stdout]     |
[INFO] [stdout] 113 | ...                   features: *const (*const LV2Feature))
[INFO] [stdout]     |                                        ^                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -                                        features: *const (*const LV2Feature))
[INFO] [stdout] 113 +                                        features: *const *const LV2Feature)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/ui.rs:121:61
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   features: *const (*const LV2Feature))
[INFO] [stdout]     |                                        ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -                                            features: *const (*const LV2Feature))
[INFO] [stdout] 121 +                                            features: *const *const LV2Feature)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/core.rs:245:58
[INFO] [stdout]     |
[INFO] [stdout] 245 |     pub extension_data: extern "C" fn(uri: *const u8) -> (*const libc::c_void),
[INFO] [stdout]     |                                                          ^                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 245 -     pub extension_data: extern "C" fn(uri: *const u8) -> (*const libc::c_void),
[INFO] [stdout] 245 +     pub extension_data: extern "C" fn(uri: *const u8) -> *const libc::c_void,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/ui.rs:121:61
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   features: *const (*const LV2Feature))
[INFO] [stdout]     |                                        ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 121 -                                            features: *const (*const LV2Feature))
[INFO] [stdout] 121 +                                            features: *const *const LV2Feature)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/coreutils.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut data = it.data;
[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/coreutils.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let mut data = it.data;
[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/atomutils.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let mut q = query;
[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/atomutils.rs:200:17
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let mut q = query;
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stdout]    --> src/atomutils.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         q.offset(1);
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: returns a new pointer rather than modifying its argument
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let _ = q.offset(1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stdout]    --> src/atomutils.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         q.offset(1);
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: returns a new pointer rather than modifying its argument
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let _ = q.offset(1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stdout]    --> src/atomutils.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 q.offset(1);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: returns a new pointer rather than modifying its argument
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 let _ = q.offset(1);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::ptr::mut_ptr::<impl *mut T>::offset` that must be used
[INFO] [stdout]    --> src/atomutils.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 q.offset(1);
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: returns a new pointer rather than modifying its argument
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 let _ = q.offset(1);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused
[INFO] [stdout]    --> tests/testatomutils.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let seq = &*(&state.buf[0] as *const u8 as *const LV2AtomSequence);
[INFO] [stdout]     |                   ^^^^------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       backing allocation comes from here
[INFO] [stdout]     |
[INFO] [stdout]     = note: casting from `u8` (1 bytes) to `lv2_raw::LV2AtomSequence` (16 bytes)
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lv2_raw` (test "testatomutils") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6de0122e10e12ac1317b68172b5ddfaa4d3a7d1bd91870fa220aca0f32ec0f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de0122e10e12ac1317b68172b5ddfaa4d3a7d1bd91870fa220aca0f32ec0f13", kill_on_drop: false }`
[INFO] [stdout] 6de0122e10e12ac1317b68172b5ddfaa4d3a7d1bd91870fa220aca0f32ec0f13
