[INFO] fetching crate apa 0.0.0...
[INFO] checking apa-0.0.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate apa 0.0.0 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate apa 0.0.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2da8b68b1cbc99da6346d5c01c947cf274cd1f7091eccf62c4210c248845cba6
[INFO] running `Command { std: "docker" "start" "-a" "2da8b68b1cbc99da6346d5c01c947cf274cd1f7091eccf62c4210c248845cba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2da8b68b1cbc99da6346d5c01c947cf274cd1f7091eccf62c4210c248845cba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da8b68b1cbc99da6346d5c01c947cf274cd1f7091eccf62c4210c248845cba6", kill_on_drop: false }`
[INFO] [stdout] 2da8b68b1cbc99da6346d5c01c947cf274cd1f7091eccf62c4210c248845cba6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b7eb56e835209934484dafdf6d44757551bbc37260b51e81b8158f88c0e9fcf
[INFO] running `Command { std: "docker" "start" "-a" "5b7eb56e835209934484dafdf6d44757551bbc37260b51e81b8158f88c0e9fcf", kill_on_drop: false }`
[INFO] [stderr]     Checking apa v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ApInt` is never constructed
[INFO] [stdout]  --> src/apint.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ApInt {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: union `ApIntData` is never used
[INFO] [stdout]   --> src/apint.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | union ApIntData {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `LimbRepr` is never used
[INFO] [stdout]  --> src/limb/mod.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type LimbRepr = u64;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DoubleLimbRepr` is never used
[INFO] [stdout]  --> src/limb/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type DoubleLimbRepr = u128;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REPR_ZERO` is never used
[INFO] [stdout]  --> src/limb/mod.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const REPR_ZERO: LimbRepr = 0x0;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REPR_ONE` is never used
[INFO] [stdout]  --> src/limb/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const REPR_ONE: LimbRepr = 0x1;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REPR_ONES` is never used
[INFO] [stdout]   --> src/limb/mod.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const REPR_ONES: LimbRepr = !REPR_ZERO;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Limb` is never constructed
[INFO] [stdout]   --> src/limb/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Limb(LimbRepr);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `BITS`, `ZERO`, `ONE`, `ONES`, and `repr` are never used
[INFO] [stdout]   --> src/limb/mod.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Limb {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 17 |     /// The number of bits in a single `Limb`.
[INFO] [stdout] 18 |     pub const BITS: usize = mem::size_of::<LimbRepr>();
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub const ZERO: Limb = Limb(REPR_ZERO);
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 22 |     /// A `Limb` with value `1`.
[INFO] [stdout] 23 |     pub const ONE: Limb = Limb(REPR_ONE);
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 24 |     /// A `Limb` with all bits set to `1`.
[INFO] [stdout] 25 |     pub const ONES: Limb = Limb(REPR_ONES);
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn repr(self) -> LimbRepr {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ApInt` is never constructed
[INFO] [stdout]  --> src/apint.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ApInt {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: union `ApIntData` is never used
[INFO] [stdout]   --> src/apint.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | union ApIntData {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `LimbRepr` is never used
[INFO] [stdout]  --> src/limb/mod.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type LimbRepr = u64;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DoubleLimbRepr` is never used
[INFO] [stdout]  --> src/limb/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub type DoubleLimbRepr = u128;
[INFO] [stdout]   |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REPR_ZERO` is never used
[INFO] [stdout]  --> src/limb/mod.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const REPR_ZERO: LimbRepr = 0x0;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REPR_ONE` is never used
[INFO] [stdout]  --> src/limb/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const REPR_ONE: LimbRepr = 0x1;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REPR_ONES` is never used
[INFO] [stdout]   --> src/limb/mod.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const REPR_ONES: LimbRepr = !REPR_ZERO;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Limb` is never constructed
[INFO] [stdout]   --> src/limb/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Limb(LimbRepr);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `BITS`, `ZERO`, `ONE`, `ONES`, and `repr` are never used
[INFO] [stdout]   --> src/limb/mod.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Limb {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 17 |     /// The number of bits in a single `Limb`.
[INFO] [stdout] 18 |     pub const BITS: usize = mem::size_of::<LimbRepr>();
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub const ZERO: Limb = Limb(REPR_ZERO);
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] 22 |     /// A `Limb` with value `1`.
[INFO] [stdout] 23 |     pub const ONE: Limb = Limb(REPR_ONE);
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 24 |     /// A `Limb` with all bits set to `1`.
[INFO] [stdout] 25 |     pub const ONES: Limb = Limb(REPR_ONES);
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn repr(self) -> LimbRepr {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "5b7eb56e835209934484dafdf6d44757551bbc37260b51e81b8158f88c0e9fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7eb56e835209934484dafdf6d44757551bbc37260b51e81b8158f88c0e9fcf", kill_on_drop: false }`
[INFO] [stdout] 5b7eb56e835209934484dafdf6d44757551bbc37260b51e81b8158f88c0e9fcf