[INFO] fetching crate near-safe-cell 0.1.5...
[INFO] checking near-safe-cell-0.1.5 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate near-safe-cell 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate near-safe-cell 0.1.5 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9e37f1bec77acc43a4ef94757df0fff6dd055cd30c6e543be0b054a918f4178
[INFO] running `Command { std: "docker" "start" "-a" "f9e37f1bec77acc43a4ef94757df0fff6dd055cd30c6e543be0b054a918f4178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9e37f1bec77acc43a4ef94757df0fff6dd055cd30c6e543be0b054a918f4178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e37f1bec77acc43a4ef94757df0fff6dd055cd30c6e543be0b054a918f4178", kill_on_drop: false }`
[INFO] [stdout] f9e37f1bec77acc43a4ef94757df0fff6dd055cd30c6e543be0b054a918f4178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65d764158532832c24a4cb52d4f359f73ec9a37e1d7a7d088ca024635ae5a896
[INFO] running `Command { std: "docker" "start" "-a" "65d764158532832c24a4cb52d4f359f73ec9a37e1d7a7d088ca024635ae5a896", kill_on_drop: false }`
[INFO] [stderr]     Checking near-safe-cell v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `Default` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     default::Default,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Default` is already defined here
[INFO] [stdout]    |
[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(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Default` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     default::Default,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Default` is already defined here
[INFO] [stdout]    |
[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(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `Deref` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:166:21
[INFO] [stdout]     |
[INFO] [stdout] 165 |     use super::*;
[INFO] [stdout]     |         -------- the item `Deref` is already imported here
[INFO] [stdout] 166 |     use core::ops::{Deref, DerefMut};
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `DerefMut` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:166:28
[INFO] [stdout]     |
[INFO] [stdout] 165 |     use super::*;
[INFO] [stdout]     |         -------- the item `DerefMut` is already imported here
[INFO] [stdout] 166 |     use core::ops::{Deref, DerefMut};
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `near-safe-cell` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[deny(dropping_references)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `near-safe-cell` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "65d764158532832c24a4cb52d4f359f73ec9a37e1d7a7d088ca024635ae5a896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d764158532832c24a4cb52d4f359f73ec9a37e1d7a7d088ca024635ae5a896", kill_on_drop: false }`
[INFO] [stdout] 65d764158532832c24a4cb52d4f359f73ec9a37e1d7a7d088ca024635ae5a896