[INFO] fetching crate is_positive 0.1.338...
[INFO] testing is_positive-0.1.338 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate is_positive 0.1.338 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate is_positive 0.1.338
[INFO] finished tweaking crates.io crate is_positive 0.1.338
[INFO] tweaked toml for crates.io crate is_positive 0.1.338 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate is_positive 0.1.338 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f0cf3f743f7d8d17bc540ecac8ea9fb60edac2452b3d000cdaf2f74c28270d4
[INFO] running `Command { std: "docker" "start" "-a" "7f0cf3f743f7d8d17bc540ecac8ea9fb60edac2452b3d000cdaf2f74c28270d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f0cf3f743f7d8d17bc540ecac8ea9fb60edac2452b3d000cdaf2f74c28270d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0cf3f743f7d8d17bc540ecac8ea9fb60edac2452b3d000cdaf2f74c28270d4", kill_on_drop: false }`
[INFO] [stdout] 7f0cf3f743f7d8d17bc540ecac8ea9fb60edac2452b3d000cdaf2f74c28270d4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8f6fdf8f74ebea96ed16d9708b51b65121257f006f86cefdd9da5c6f157e36b
[INFO] running `Command { std: "docker" "start" "-a" "f8f6fdf8f74ebea96ed16d9708b51b65121257f006f86cefdd9da5c6f157e36b", kill_on_drop: false }`
[INFO] [stderr]    Compiling is_positive v0.1.338 (/opt/rustwide/workdir)
[INFO] [stdout] error: lifetime may not live long enough
[INFO] [stdout]   --> src/lib.rs:32:20
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn extend_mut<'a, 'b, T>(borrow: &'a mut T) -> &'b mut T {
[INFO] [stdout]    |               --  -- lifetime `'b` defined here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               lifetime `'a` defined here
[INFO] [stdout] 32 |     let converted: fn(&'b &'static (), &'a mut T) -> &'b mut T = weird_fn;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'b`
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding the following bound: `'a: 'b`
[INFO] [stdout]    = note: requirement occurs because of a mutable reference to `T`
[INFO] [stdout]    = note: mutable references are invariant over their type parameter
[INFO] [stdout]    = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `is_positive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f8f6fdf8f74ebea96ed16d9708b51b65121257f006f86cefdd9da5c6f157e36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f6fdf8f74ebea96ed16d9708b51b65121257f006f86cefdd9da5c6f157e36b", kill_on_drop: false }`
[INFO] [stdout] f8f6fdf8f74ebea96ed16d9708b51b65121257f006f86cefdd9da5c6f157e36b