[INFO] fetching crate cuckoo_miner 0.5.2...
[INFO] documenting cuckoo_miner-0.5.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate cuckoo_miner 0.5.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cuckoo_miner 0.5.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuckoo_miner 0.5.2
[INFO] finished tweaking crates.io crate cuckoo_miner 0.5.2
[INFO] tweaked toml for crates.io crate cuckoo_miner 0.5.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-term v2.9.0
[INFO] [stderr]   Downloaded grin_miner_util v0.5.2
[INFO] [stderr]   Downloaded libloading v0.4.3
[INFO] [stderr]   Downloaded take_mut v0.2.2
[INFO] [stderr]   Downloaded grin_miner_plugin v0.5.2
[INFO] [stderr]   Downloaded const-cstr v0.2.1
[INFO] [stderr]   Downloaded slog-async v2.7.0
[INFO] [stderr]   Downloaded slog v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a004a2be9d994e92877afa405eea3ee88b69fb72b97e45083a90410059ef15e
[INFO] running `Command { std: "docker" "start" "-a" "5a004a2be9d994e92877afa405eea3ee88b69fb72b97e45083a90410059ef15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a004a2be9d994e92877afa405eea3ee88b69fb72b97e45083a90410059ef15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a004a2be9d994e92877afa405eea3ee88b69fb72b97e45083a90410059ef15e", kill_on_drop: false }`
[INFO] [stdout] 5a004a2be9d994e92877afa405eea3ee88b69fb72b97e45083a90410059ef15e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 208f011ffc42336e8ee329f74135182a3eb47975e29002773c014b42adc9ae19
[INFO] running `Command { std: "docker" "start" "-a" "208f011ffc42336e8ee329f74135182a3eb47975e29002773c014b42adc9ae19", kill_on_drop: false }`
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking slog v2.1.1
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stdout] error[E0407]: method `emit_u128` is not a member of trait `Serializer`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-async-2.7.0/lib.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |       fn emit_u128(&mut self, key: Key, val: u128) -> slog::Result {
[INFO] [stdout]     |       ^  --------- help: there is an associated function with a similar name: `emit_u8`
[INFO] [stdout]     |  _____|
[INFO] [stdout]     | |
[INFO] [stdout] 149 | |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout] 150 | |         Ok(())
[INFO] [stdout] 151 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Serializer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `emit_i128` is not a member of trait `Serializer`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-async-2.7.0/lib.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |       fn emit_i128(&mut self, key: Key, val: i128) -> slog::Result {
[INFO] [stdout]     |       ^  --------- help: there is an associated function with a similar name: `emit_i8`
[INFO] [stdout]     |  _____|
[INFO] [stdout]     | |
[INFO] [stdout] 154 | |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout] 155 | |         Ok(())
[INFO] [stdout] 156 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Serializer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u128: Value` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-async-2.7.0/lib.rs:149:61
[INFO] [stdout]      |
[INFO] [stdout] 149  |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout]      |                                               --------      ^^^ the trait `Value` is not implemented for `u128`
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `Value`:
[INFO] [stdout]                f32
[INFO] [stdout]                f64
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i8
[INFO] [stdout]                isize
[INFO] [stdout]                u16
[INFO] [stdout]              and 4 others
[INFO] [stdout] note: required by a bound in `SingleKV`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2689 |     V: Value;
[INFO] [stdout]      |        ^^^^^ required by this bound in `SingleKV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u128: Value` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-async-2.7.0/lib.rs:149:47
[INFO] [stdout]      |
[INFO] [stdout] 149  |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^ the trait `Value` is not implemented for `u128`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `Value`:
[INFO] [stdout]                f32
[INFO] [stdout]                f64
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i8
[INFO] [stdout]                isize
[INFO] [stdout]                u16
[INFO] [stdout]              and 4 others
[INFO] [stdout] note: required by a bound in `SingleKV`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2689 |     V: Value;
[INFO] [stdout]      |        ^^^^^ required by this bound in `SingleKV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u128: Value` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-async-2.7.0/lib.rs:149:33
[INFO] [stdout]      |
[INFO] [stdout] 149  |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout]      |                                 ^^^^^^^^ the trait `Value` is not implemented for `u128`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `Value`:
[INFO] [stdout]                f32
[INFO] [stdout]                f64
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i8
[INFO] [stdout]                isize
[INFO] [stdout]                u16
[INFO] [stdout]              and 4 others
[INFO] [stdout] note: required by a bound in `SingleKV`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2689 |     V: Value;
[INFO] [stdout]      |        ^^^^^ required by this bound in `SingleKV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `u128: Value` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-async-2.7.0/lib.rs:149:33
[INFO] [stdout]      |
[INFO] [stdout] 149  |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Value` is not implemented for `u128`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `Value`:
[INFO] [stdout]                f32
[INFO] [stdout]                f64
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i8
[INFO] [stdout]                isize
[INFO] [stdout]                u16
[INFO] [stdout]              and 4 others
[INFO] [stdout] note: required by a bound in `SingleKV`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2689 |     V: Value;
[INFO] [stdout]      |        ^^^^^ required by this bound in `SingleKV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `i128: Value` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-async-2.7.0/lib.rs:154:61
[INFO] [stdout]      |
[INFO] [stdout] 154  |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout]      |                                               --------      ^^^ the trait `Value` is not implemented for `i128`
[INFO] [stdout]      |                                               |
[INFO] [stdout]      |                                               required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `Value`:
[INFO] [stdout]                f32
[INFO] [stdout]                f64
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i8
[INFO] [stdout]                isize
[INFO] [stdout]                u16
[INFO] [stdout]              and 4 others
[INFO] [stdout] note: required by a bound in `SingleKV`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2689 |     V: Value;
[INFO] [stdout]      |        ^^^^^ required by this bound in `SingleKV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `i128: Value` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-async-2.7.0/lib.rs:154:47
[INFO] [stdout]      |
[INFO] [stdout] 154  |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^ the trait `Value` is not implemented for `i128`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `Value`:
[INFO] [stdout]                f32
[INFO] [stdout]                f64
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i8
[INFO] [stdout]                isize
[INFO] [stdout]                u16
[INFO] [stdout]              and 4 others
[INFO] [stdout] note: required by a bound in `SingleKV`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2689 |     V: Value;
[INFO] [stdout]      |        ^^^^^ required by this bound in `SingleKV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `i128: Value` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-async-2.7.0/lib.rs:154:33
[INFO] [stdout]      |
[INFO] [stdout] 154  |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout]      |                                 ^^^^^^^^ the trait `Value` is not implemented for `i128`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `Value`:
[INFO] [stdout]                f32
[INFO] [stdout]                f64
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i8
[INFO] [stdout]                isize
[INFO] [stdout]                u16
[INFO] [stdout]              and 4 others
[INFO] [stdout] note: required by a bound in `SingleKV`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2689 |     V: Value;
[INFO] [stdout]      |        ^^^^^ required by this bound in `SingleKV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `i128: Value` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-async-2.7.0/lib.rs:154:33
[INFO] [stdout]      |
[INFO] [stdout] 154  |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout]      |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Value` is not implemented for `i128`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `Value`:
[INFO] [stdout]                f32
[INFO] [stdout]                f64
[INFO] [stdout]                i16
[INFO] [stdout]                i32
[INFO] [stdout]                i64
[INFO] [stdout]                i8
[INFO] [stdout]                isize
[INFO] [stdout]                u16
[INFO] [stdout]              and 4 others
[INFO] [stdout] note: required by a bound in `SingleKV`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2689 |     V: Value;
[INFO] [stdout]      |        ^^^^^ required by this bound in `SingleKV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0407.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling cuckoo_miner v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `slog-async` due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `sanity::Finder`
[INFO] [stdout]   --> src/build.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use sanity::Finder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Finder` is never constructed
[INFO] [stdout]   --> src/sanity.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Finder {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sanity.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `maybe_have` is never used
[INFO] [stdout]   --> src/sanity.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn maybe_have<S: AsRef<OsStr>>(&mut self, cmd: S) -> Option<PathBuf> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "208f011ffc42336e8ee329f74135182a3eb47975e29002773c014b42adc9ae19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208f011ffc42336e8ee329f74135182a3eb47975e29002773c014b42adc9ae19", kill_on_drop: false }`
[INFO] [stdout] 208f011ffc42336e8ee329f74135182a3eb47975e29002773c014b42adc9ae19
