[INFO] fetching crate flex-alloc 0.0.5...
[INFO] checking flex-alloc-0.0.5 against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied
[INFO] extracting crate flex-alloc 0.0.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate flex-alloc 0.0.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate flex-alloc 0.0.5
[INFO] tweaked toml for crates.io crate flex-alloc 0.0.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flex-alloc 0.0.5 on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "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" "+035b01b794602d5861daa43ac792f372f8981ed7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 76 packages to latest compatible versions
[INFO] [stderr]       Adding allocator-api2 v0.2.21 (available: v0.4.0)
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding rstest v0.23.0 (available: v0.26.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest v0.23.0
[INFO] [stderr]   Downloaded const-default v1.0.0
[INFO] [stderr]   Downloaded rstest_macros v0.23.0
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[INFO] [stdout] ead8703b38dcf95b4c26a2cfbeda950e20760b2ecc1f4bd3fc72c81870e32563
[INFO] running `Command { std: "docker" "start" "-a" "ead8703b38dcf95b4c26a2cfbeda950e20760b2ecc1f4bd3fc72c81870e32563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ead8703b38dcf95b4c26a2cfbeda950e20760b2ecc1f4bd3fc72c81870e32563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead8703b38dcf95b4c26a2cfbeda950e20760b2ecc1f4bd3fc72c81870e32563", kill_on_drop: false }`
[INFO] [stdout] ead8703b38dcf95b4c26a2cfbeda950e20760b2ecc1f4bd3fc72c81870e32563
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 635edbc1ed5fb63c63861bae59a6072b01213c8f7e110c4da50fb2e6c5ff84bf
[INFO] running `Command { std: "docker" "start" "-a" "635edbc1ed5fb63c63861bae59a6072b01213c8f7e110c4da50fb2e6c5ff84bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
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[INFO] [stderr]     Checking flex-alloc v0.0.5 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/alloc.rs:289:40
[INFO] [stdout]     |
[INFO] [stdout] 289 |                 NonNull::new_unchecked(transmute(layout.align()))
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 289 -                 NonNull::new_unchecked(transmute(layout.align()))
[INFO] [stdout] 289 +                 NonNull::new_unchecked(std::ptr::with_exposed_provenance_mut::<u8>(layout.align()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/alloc.rs:289:40
[INFO] [stdout]     |
[INFO] [stdout] 289 |                 NonNull::new_unchecked(transmute(layout.align()))
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 289 -                 NonNull::new_unchecked(transmute(layout.align()))
[INFO] [stdout] 289 +                 NonNull::new_unchecked(std::ptr::with_exposed_provenance_mut::<u8>(layout.align()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.40s
[INFO] running `Command { std: "docker" "inspect" "635edbc1ed5fb63c63861bae59a6072b01213c8f7e110c4da50fb2e6c5ff84bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635edbc1ed5fb63c63861bae59a6072b01213c8f7e110c4da50fb2e6c5ff84bf", kill_on_drop: false }`
[INFO] [stdout] 635edbc1ed5fb63c63861bae59a6072b01213c8f7e110c4da50fb2e6c5ff84bf
