[INFO] fetching crate near-safe-cell 0.1.5...
[INFO] checking near-safe-cell-0.1.5 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate near-safe-cell 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate near-safe-cell 0.1.5
[INFO] finished tweaking crates.io crate near-safe-cell 0.1.5
[INFO] tweaked toml for crates.io crate near-safe-cell 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate near-safe-cell 0.1.5 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e241cc9b1df558dcbbabf10313199960fcef4afd3851cc3a376b92d8a83b5950
[INFO] running `Command { std: "docker" "start" "-a" "e241cc9b1df558dcbbabf10313199960fcef4afd3851cc3a376b92d8a83b5950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e241cc9b1df558dcbbabf10313199960fcef4afd3851cc3a376b92d8a83b5950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e241cc9b1df558dcbbabf10313199960fcef4afd3851cc3a376b92d8a83b5950", kill_on_drop: false }`
[INFO] [stdout] e241cc9b1df558dcbbabf10313199960fcef4afd3851cc3a376b92d8a83b5950
[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" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d3749650d41603561f2a07febbd87d4faeb10f86bf76ac1577b48f7e21f96a4
[INFO] running `Command { std: "docker" "start" "-a" "6d3749650d41603561f2a07febbd87d4faeb10f86bf76ac1577b48f7e21f96a4", kill_on_drop: false }`
[INFO] [stderr]     Checking near-safe-cell v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition value: `std`
[INFO] [stdout]   --> src/lib.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[cfg(feature = "std")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unexpected_cfgs)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `std`
[INFO] [stdout]   --> src/lib.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[cfg(feature = "std")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `std`
[INFO] [stdout]   --> src/lib.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[cfg(feature = "std")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 3  |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unexpected_cfgs)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `std`
[INFO] [stdout]   --> src/lib.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 | #[cfg(feature = "std")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `std` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         (*self.get_mut_ptr()).index_mut(idx)
[INFO] [stdout]    |         ^^------------------^^^^^^^^^^^^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           this raw pointer has type `*mut T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut T`
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         (*self.get_mut_ptr()).index_mut(idx)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `index_mut` require a reference
[INFO] [stdout]   --> /rustc/82310651b93a594a3fd69015e1562186a080d94c/library/core/src/ops/index.rs:181:5
[INFO] [stdout]    = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 57 |         (&mut (*self.get_mut_ptr())).index_mut(idx)
[INFO] [stdout]    |         +++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         (*self.get_mut_ptr()).index_mut(idx)
[INFO] [stdout]    |         ^^------------------^^^^^^^^^^^^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           this raw pointer has type `*mut T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut T`
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         (*self.get_mut_ptr()).index_mut(idx)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `index_mut` require a reference
[INFO] [stdout]   --> /rustc/82310651b93a594a3fd69015e1562186a080d94c/library/core/src/ops/index.rs:181:5
[INFO] [stdout]    = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 57 |         (&mut (*self.get_mut_ptr())).index_mut(idx)
[INFO] [stdout]    |         +++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `near-safe-cell` (lib) due to 3 previous errors
[INFO] [stdout] error: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/lib.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |         drop(interiorly_mutable);
[INFO] [stdout]     |         ^^^^^------------------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&mut usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(dropping_references)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 185 -         drop(interiorly_mutable);
[INFO] [stdout] 185 +         let _ = interiorly_mutable;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `near-safe-cell` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "6d3749650d41603561f2a07febbd87d4faeb10f86bf76ac1577b48f7e21f96a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3749650d41603561f2a07febbd87d4faeb10f86bf76ac1577b48f7e21f96a4", kill_on_drop: false }`
[INFO] [stdout] 6d3749650d41603561f2a07febbd87d4faeb10f86bf76ac1577b48f7e21f96a4
