[INFO] fetching crate is_positive 0.1.338...
[INFO] checking is_positive-0.1.338 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate is_positive 0.1.338 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate is_positive 0.1.338 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc49c0aced51a0ad0bb863d9ea8c772842f8b098f52b82d99138e18760dc0e40
[INFO] running `Command { std: "docker" "start" "-a" "fc49c0aced51a0ad0bb863d9ea8c772842f8b098f52b82d99138e18760dc0e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc49c0aced51a0ad0bb863d9ea8c772842f8b098f52b82d99138e18760dc0e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc49c0aced51a0ad0bb863d9ea8c772842f8b098f52b82d99138e18760dc0e40", kill_on_drop: false }`
[INFO] [stdout] fc49c0aced51a0ad0bb863d9ea8c772842f8b098f52b82d99138e18760dc0e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a49be924428ec0317230c4038e69eff637cf95e8d6d613cca7d98b51a3d02ba1
[INFO] running `Command { std: "docker" "start" "-a" "a49be924428ec0317230c4038e69eff637cf95e8d6d613cca7d98b51a3d02ba1", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] [stderr] warning: build failed, waiting for other jobs to finish...
[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 test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a49be924428ec0317230c4038e69eff637cf95e8d6d613cca7d98b51a3d02ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49be924428ec0317230c4038e69eff637cf95e8d6d613cca7d98b51a3d02ba1", kill_on_drop: false }`
[INFO] [stdout] a49be924428ec0317230c4038e69eff637cf95e8d6d613cca7d98b51a3d02ba1
