[INFO] fetching crate jammdb 0.11.0...
[INFO] checking jammdb-0.11.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate jammdb 0.11.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate jammdb 0.11.0 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 jammdb 0.11.0
[INFO] finished tweaking crates.io crate jammdb 0.11.0
[INFO] tweaked toml for crates.io crate jammdb 0.11.0 written to /workspace/builds/worker-0-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 65 packages to latest compatible versions
[INFO] [stderr]       Adding fs4 v0.7.0 (latest: v0.8.2)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
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[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fs4 v0.7.0
[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_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] 3c514d918ba08b4999938772a62ed527cf03de0809dee58f5c413862d3421ba3
[INFO] running `Command { std: "docker" "start" "-a" "3c514d918ba08b4999938772a62ed527cf03de0809dee58f5c413862d3421ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c514d918ba08b4999938772a62ed527cf03de0809dee58f5c413862d3421ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c514d918ba08b4999938772a62ed527cf03de0809dee58f5c413862d3421ba3", kill_on_drop: false }`
[INFO] [stdout] 3c514d918ba08b4999938772a62ed527cf03de0809dee58f5c413862d3421ba3
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06983cd2c9c2f6bd0bc22b27f28ecf8025f80f5f13bcc5ba156d809be5b5da99
[INFO] running `Command { std: "docker" "start" "-a" "06983cd2c9c2f6bd0bc22b27f28ecf8025f80f5f13bcc5ba156d809be5b5da99", kill_on_drop: false }`
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking serde v1.0.200
[INFO] [stderr]     Checking fs4 v0.7.0
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking serde_json v1.0.116
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking jammdb v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tx.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Ro(RwLockReadGuard<'tx, ()>),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Ro(()),
[INFO] [stdout]    |        ~~
[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]    --> src/db.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             &mut *(&mut buf[(index * pagesize) as usize] as *mut u8 as *mut Page)
[INFO] [stdout]     |             ^^^^^^^^^^^^--------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         backing allocation comes from here
[INFO] [stdout]     |
[INFO] [stdout]     = note: casting from `u8` (1 bytes) to `Page` (40 bytes)
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[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]   --> src/page.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &*(&self.data[(id * self.pagesize) as usize] as *const u8 as *const Page)
[INFO] [stdout]    |             ^^^^----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 backing allocation comes from here
[INFO] [stdout]    |
[INFO] [stdout]    = note: casting from `u8` (1 bytes) to `Page` (40 bytes)
[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]   --> src/page.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             &*(&buf[(id * pagesize) as usize] as *const u8 as *const Page)
[INFO] [stdout]    |             ^^^^-----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 backing allocation comes from here
[INFO] [stdout]    |
[INFO] [stdout]    = note: casting from `u8` (1 bytes) to `Page` (40 bytes)
[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]   --> src/page.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |         unsafe { &*(&self.ptr as *const u64 as *const Meta) }
[INFO] [stdout]    |                  ^^^^--------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      backing allocation comes from here
[INFO] [stdout]    |
[INFO] [stdout]    = note: casting from `u64` (8 bytes) to `Meta` (72 bytes)
[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]   --> src/page.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |         unsafe { &*(&self.ptr as *const u64 as *const OldMeta) }
[INFO] [stdout]    |                  ^^^^--------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      backing allocation comes from here
[INFO] [stdout]    |
[INFO] [stdout]    = note: casting from `u64` (8 bytes) to `OldMeta` (96 bytes)
[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]   --> src/page.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |         unsafe { &mut *(&mut self.ptr as *mut u64 as *mut Meta) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^--------^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              backing allocation comes from here
[INFO] [stdout]    |
[INFO] [stdout]    = note: casting from `u64` (8 bytes) to `Meta` (72 bytes)
[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]    --> src/tx.rs:329:37
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 let page = unsafe { &mut *(&mut buf[0] as *mut u8 as *mut Page) };
[INFO] [stdout]     |                                     ^^^^^^^^^^^^------^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 backing allocation comes from here
[INFO] [stdout]     |
[INFO] [stdout]     = note: casting from `u8` (1 bytes) to `Page` (40 bytes)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jammdb` (lib) due to 8 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tx.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Ro(RwLockReadGuard<'tx, ()>),
[INFO] [stdout]    |     -- ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Ro(()),
[INFO] [stdout]    |        ~~
[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]    --> src/db.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             &mut *(&mut buf[(index * pagesize) as usize] as *mut u8 as *mut Page)
[INFO] [stdout]     |             ^^^^^^^^^^^^--------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         backing allocation comes from here
[INFO] [stdout]     |
[INFO] [stdout]     = note: casting from `u8` (1 bytes) to `page::Page` (40 bytes)
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[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]   --> src/page.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             &*(&self.data[(id * self.pagesize) as usize] as *const u8 as *const Page)
[INFO] [stdout]    |             ^^^^----------------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 backing allocation comes from here
[INFO] [stdout]    |
[INFO] [stdout]    = note: casting from `u8` (1 bytes) to `page::Page` (40 bytes)
[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]   --> src/page.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |             &*(&buf[(id * pagesize) as usize] as *const u8 as *const Page)
[INFO] [stdout]    |             ^^^^-----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 backing allocation comes from here
[INFO] [stdout]    |
[INFO] [stdout]    = note: casting from `u8` (1 bytes) to `page::Page` (40 bytes)
[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]   --> src/page.rs:75:18
[INFO] [stdout]    |
[INFO] [stdout] 75 |         unsafe { &*(&self.ptr as *const u64 as *const Meta) }
[INFO] [stdout]    |                  ^^^^--------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      backing allocation comes from here
[INFO] [stdout]    |
[INFO] [stdout]    = note: casting from `u64` (8 bytes) to `meta::Meta` (72 bytes)
[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]   --> src/page.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |         unsafe { &*(&self.ptr as *const u64 as *const OldMeta) }
[INFO] [stdout]    |                  ^^^^--------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      backing allocation comes from here
[INFO] [stdout]    |
[INFO] [stdout]    = note: casting from `u64` (8 bytes) to `meta::OldMeta` (96 bytes)
[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]   --> src/page.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |         unsafe { &mut *(&mut self.ptr as *mut u64 as *mut Meta) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^--------^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              backing allocation comes from here
[INFO] [stdout]    |
[INFO] [stdout]    = note: casting from `u64` (8 bytes) to `meta::Meta` (72 bytes)
[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]    --> src/tx.rs:329:37
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 let page = unsafe { &mut *(&mut buf[0] as *mut u8 as *mut Page) };
[INFO] [stdout]     |                                     ^^^^^^^^^^^^------^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 backing allocation comes from here
[INFO] [stdout]     |
[INFO] [stdout]     = note: casting from `u8` (1 bytes) to `page::Page` (40 bytes)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jammdb` (lib test) due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "06983cd2c9c2f6bd0bc22b27f28ecf8025f80f5f13bcc5ba156d809be5b5da99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06983cd2c9c2f6bd0bc22b27f28ecf8025f80f5f13bcc5ba156d809be5b5da99", kill_on_drop: false }`
[INFO] [stdout] 06983cd2c9c2f6bd0bc22b27f28ecf8025f80f5f13bcc5ba156d809be5b5da99
