[INFO] fetching crate rust-blas 0.2.0...
[INFO] checking rust-blas-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate rust-blas 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rust-blas 0.2.0
[INFO] finished tweaking crates.io crate rust-blas 0.2.0
[INFO] tweaked toml for crates.io crate rust-blas 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-blas 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-blas 0.2.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded pkg-config v0.3.22
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded num-complex v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d4e540124405441e57498874aa2d4c6397ec84c38c304add10332e70090cd4c
[INFO] running `Command { std: "docker" "start" "-a" "3d4e540124405441e57498874aa2d4c6397ec84c38c304add10332e70090cd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d4e540124405441e57498874aa2d4c6397ec84c38c304add10332e70090cd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4e540124405441e57498874aa2d4c6397ec84c38c304add10332e70090cd4c", kill_on_drop: false }`
[INFO] [stdout] 3d4e540124405441e57498874aa2d4c6397ec84c38c304add10332e70090cd4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02bbc27ee6e8bed4b8f8c601b1699cc8afc715ea3c77082bd77a7b063d592388
[INFO] running `Command { std: "docker" "start" "-a" "02bbc27ee6e8bed4b8f8c601b1699cc8afc715ea3c77082bd77a7b063d592388", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rust-blas v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stdout] warning: a dangling pointer will be produced because the local variable `self` will be dropped
[INFO] [stdout]   --> src/scalar.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             fn as_mut(self) -> *mut $t {
[INFO] [stdout]    |                       ----     ------- return type of the method is `*mut f32`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       `self` is part the method and will be dropped at the end of the method
[INFO] [stdout] 23 |                 &self as *const _ as *mut $c_type
[INFO] [stdout]    |                 -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 dangling pointer created here
[INFO] [stdout] ...
[INFO] [stdout] 41 | scalar_impl!(f32, c_float);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: pointers do not have a lifetime; after returning, the `f32` will be deallocated at the end of the method because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = note: `#[warn(dangling_pointers_from_locals)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `scalar_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a dangling pointer will be produced because the local variable `self` will be dropped
[INFO] [stdout]   --> src/scalar.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             fn as_mut(self) -> *mut $t {
[INFO] [stdout]    |                       ----     ------- return type of the method is `*mut f64`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       `self` is part the method and will be dropped at the end of the method
[INFO] [stdout] 23 |                 &self as *const _ as *mut $c_type
[INFO] [stdout]    |                 -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 dangling pointer created here
[INFO] [stdout] ...
[INFO] [stdout] 42 | scalar_impl!(f64, c_double);
[INFO] [stdout]    | --------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: pointers do not have a lifetime; after returning, the `f64` will be deallocated at the end of the method because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = note: this warning originates in the macro `scalar_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a dangling pointer will be produced because the local variable `self` will be dropped
[INFO] [stdout]   --> src/scalar.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             fn as_mut(self) -> *mut $t {
[INFO] [stdout]    |                       ----     ------- return type of the method is `*mut f32`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       `self` is part the method and will be dropped at the end of the method
[INFO] [stdout] 23 |                 &self as *const _ as *mut $c_type
[INFO] [stdout]    |                 -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 dangling pointer created here
[INFO] [stdout] ...
[INFO] [stdout] 41 | scalar_impl!(f32, c_float);
[INFO] [stdout]    | -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: pointers do not have a lifetime; after returning, the `f32` will be deallocated at the end of the method because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = note: `#[warn(dangling_pointers_from_locals)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `scalar_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a dangling pointer will be produced because the local variable `self` will be dropped
[INFO] [stdout]   --> src/scalar.rs:23:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             fn as_mut(self) -> *mut $t {
[INFO] [stdout]    |                       ----     ------- return type of the method is `*mut f64`
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       `self` is part the method and will be dropped at the end of the method
[INFO] [stdout] 23 |                 &self as *const _ as *mut $c_type
[INFO] [stdout]    |                 -----^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 dangling pointer created here
[INFO] [stdout] ...
[INFO] [stdout] 42 | scalar_impl!(f64, c_double);
[INFO] [stdout]    | --------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: pointers do not have a lifetime; after returning, the `f64` will be deallocated at the end of the method because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = note: this warning originates in the macro `scalar_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "02bbc27ee6e8bed4b8f8c601b1699cc8afc715ea3c77082bd77a7b063d592388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02bbc27ee6e8bed4b8f8c601b1699cc8afc715ea3c77082bd77a7b063d592388", kill_on_drop: false }`
[INFO] [stdout] 02bbc27ee6e8bed4b8f8c601b1699cc8afc715ea3c77082bd77a7b063d592388