[INFO] fetching crate apa 0.0.0...
[INFO] checking apa-0.0.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate apa 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate apa 0.0.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apa 0.0.0
[INFO] finished tweaking crates.io crate apa 0.0.0
[INFO] tweaked toml for crates.io crate apa 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89faa7798c4825936f0bae7a785d3c1dfca77f7f6bb23d899b941dfa5d3b85c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "89faa7798c4825936f0bae7a785d3c1dfca77f7f6bb23d899b941dfa5d3b85c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89faa7798c4825936f0bae7a785d3c1dfca77f7f6bb23d899b941dfa5d3b85c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89faa7798c4825936f0bae7a785d3c1dfca77f7f6bb23d899b941dfa5d3b85c5", kill_on_drop: false }`
[INFO] [stdout] 89faa7798c4825936f0bae7a785d3c1dfca77f7f6bb23d899b941dfa5d3b85c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cab74768fe8dc3a4fa998d5ba8ba7639c43e4f6ad12937d71c64b473f6f09578
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cab74768fe8dc3a4fa998d5ba8ba7639c43e4f6ad12937d71c64b473f6f09578", kill_on_drop: false }`
[INFO] [stderr]     Checking apa v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]  --> src/apint.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     len: BitWidth,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]   --> src/apint.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     data: ApIntData,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/apint.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     value: Limb,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p_value`
[INFO] [stdout]   --> src/apint.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     p_value: NonNull<Limb>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DoubleLimbRepr`
[INFO] [stdout]  --> src/limb/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type DoubleLimbRepr = u128;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REPR_ZERO`
[INFO] [stdout]  --> src/limb/mod.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const REPR_ZERO: LimbRepr = 0x0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REPR_ONE`
[INFO] [stdout]  --> src/limb/mod.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const REPR_ONE: LimbRepr = 0x1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REPR_ONES`
[INFO] [stdout]   --> src/limb/mod.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const REPR_ONES: LimbRepr = !REPR_ZERO;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `BITS`
[INFO] [stdout]   --> src/limb/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub const BITS: usize = mem::size_of::<LimbRepr>();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ZERO`
[INFO] [stdout]   --> src/limb/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub const ZERO: Limb = Limb(REPR_ZERO);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ONE`
[INFO] [stdout]   --> src/limb/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub const ONE: Limb = Limb(REPR_ONE);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ONES`
[INFO] [stdout]   --> src/limb/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub const ONES: Limb = Limb(REPR_ONES);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]  --> src/apint.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     len: BitWidth,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]   --> src/apint.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     data: ApIntData,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/apint.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     value: Limb,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p_value`
[INFO] [stdout]   --> src/apint.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     p_value: NonNull<Limb>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DoubleLimbRepr`
[INFO] [stdout]  --> src/limb/mod.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type DoubleLimbRepr = u128;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REPR_ZERO`
[INFO] [stdout]  --> src/limb/mod.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const REPR_ZERO: LimbRepr = 0x0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REPR_ONE`
[INFO] [stdout]  --> src/limb/mod.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const REPR_ONE: LimbRepr = 0x1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REPR_ONES`
[INFO] [stdout]   --> src/limb/mod.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const REPR_ONES: LimbRepr = !REPR_ZERO;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `BITS`
[INFO] [stdout]   --> src/limb/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub const BITS: usize = mem::size_of::<LimbRepr>();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ZERO`
[INFO] [stdout]   --> src/limb/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub const ZERO: Limb = Limb(REPR_ZERO);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ONE`
[INFO] [stdout]   --> src/limb/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub const ONE: Limb = Limb(REPR_ONE);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ONES`
[INFO] [stdout]   --> src/limb/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub const ONES: Limb = Limb(REPR_ONES);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "cab74768fe8dc3a4fa998d5ba8ba7639c43e4f6ad12937d71c64b473f6f09578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab74768fe8dc3a4fa998d5ba8ba7639c43e4f6ad12937d71c64b473f6f09578", kill_on_drop: false }`
[INFO] [stdout] cab74768fe8dc3a4fa998d5ba8ba7639c43e4f6ad12937d71c64b473f6f09578