[INFO] fetching crate cuckoo_miner 0.5.2...
[INFO] testing cuckoo_miner-0.5.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate cuckoo_miner 0.5.2 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cuckoo_miner 0.5.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 102 packages to latest compatible versions
[INFO] [stderr]       Adding byteorder v0.5.3 (available: v1.5.0)
[INFO] [stderr]       Adding const-cstr v0.2.1 (available: v0.3.0)
[INFO] [stderr]       Adding glob v0.2.11 (available: v0.3.3)
[INFO] [stderr]       Adding libloading v0.4.3 (available: v0.9.0)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.28)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] [stderr]       Adding regex v0.2.11 (available: v1.12.2)
[INFO] [stderr]       Adding slog v2.1.1 (available: v2.8.2)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.44)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded grin_miner_util v0.5.2
[INFO] [stderr]   Downloaded const-cstr v0.2.1
[INFO] [stderr]   Downloaded grin_miner_plugin v0.5.2
[INFO] [stderr]   Downloaded take_mut v0.2.2
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded ucd-util v0.1.10
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded term v1.2.0
[INFO] [stderr]   Downloaded slog-term v2.9.2
[INFO] [stderr]   Downloaded slog-async v2.8.0
[INFO] [stderr]   Downloaded slog v2.1.1
[INFO] [stderr]   Downloaded libloading v0.4.3
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fc21d49445a94766756da9a7c790db7ff2172b79759f92f4254edf9994f1e21
[INFO] running `Command { std: "docker" "start" "-a" "1fc21d49445a94766756da9a7c790db7ff2172b79759f92f4254edf9994f1e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fc21d49445a94766756da9a7c790db7ff2172b79759f92f4254edf9994f1e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc21d49445a94766756da9a7c790db7ff2172b79759f92f4254edf9994f1e21", kill_on_drop: false }`
[INFO] [stdout] 1fc21d49445a94766756da9a7c790db7ff2172b79759f92f4254edf9994f1e21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6be65edca180dbaadafafda18e2f0e27312c9fbcb8e3c0a9d7a9573f72c535d
[INFO] running `Command { std: "docker" "start" "-a" "c6be65edca180dbaadafafda18e2f0e27312c9fbcb8e3c0a9d7a9573f72c535d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling slog v2.1.1
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling term v1.2.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stdout] error[E0407]: method `emit_u128` is not a member of trait `Serializer`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |       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] 152 | |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout] 153 | |         Ok(())
[INFO] [stdout] 154 | |     }
[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/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |       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] 157 | |         take(&mut self.kv, |kv| Box::new((kv, SingleKV(key, val))));
[INFO] [stdout] 158 | |         Ok(())
[INFO] [stdout] 159 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Serializer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cuckoo_miner v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `u128: Value` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:152:61
[INFO] [stdout]      |
[INFO] [stdout]  152 |         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/index.crates.io-1949cf8c6b5b557f/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2687 | pub struct SingleKV<V>(pub Key, pub V)
[INFO] [stdout]      |            -------- required by a bound in this tuple struct
[INFO] [stdout] 2688 | where
[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/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:152:47
[INFO] [stdout]      |
[INFO] [stdout]  152 |         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/index.crates.io-1949cf8c6b5b557f/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2687 | pub struct SingleKV<V>(pub Key, pub V)
[INFO] [stdout]      |            -------- required by a bound in this struct
[INFO] [stdout] 2688 | where
[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/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:152:33
[INFO] [stdout]      |
[INFO] [stdout]  152 |         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/index.crates.io-1949cf8c6b5b557f/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2687 | pub struct SingleKV<V>(pub Key, pub V)
[INFO] [stdout]      |            -------- required by a bound in this struct
[INFO] [stdout] 2688 | where
[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/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:152:33
[INFO] [stdout]      |
[INFO] [stdout]  152 |         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/index.crates.io-1949cf8c6b5b557f/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2687 | pub struct SingleKV<V>(pub Key, pub V)
[INFO] [stdout]      |            -------- required by a bound in this struct
[INFO] [stdout] 2688 | where
[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/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:157:61
[INFO] [stdout]      |
[INFO] [stdout]  157 |         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/index.crates.io-1949cf8c6b5b557f/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2687 | pub struct SingleKV<V>(pub Key, pub V)
[INFO] [stdout]      |            -------- required by a bound in this tuple struct
[INFO] [stdout] 2688 | where
[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/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:157:47
[INFO] [stdout]      |
[INFO] [stdout]  157 |         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/index.crates.io-1949cf8c6b5b557f/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2687 | pub struct SingleKV<V>(pub Key, pub V)
[INFO] [stdout]      |            -------- required by a bound in this struct
[INFO] [stdout] 2688 | where
[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/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:157:33
[INFO] [stdout]      |
[INFO] [stdout]  157 |         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/index.crates.io-1949cf8c6b5b557f/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2687 | pub struct SingleKV<V>(pub Key, pub V)
[INFO] [stdout]      |            -------- required by a bound in this struct
[INFO] [stdout] 2688 | where
[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/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:157:33
[INFO] [stdout]      |
[INFO] [stdout]  157 |         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/index.crates.io-1949cf8c6b5b557f/slog-2.1.1/src/lib.rs:2689:8
[INFO] [stdout]      |
[INFO] [stdout] 2687 | pub struct SingleKV<V>(pub Key, pub V)
[INFO] [stdout]      |            -------- required by a bound in this struct
[INFO] [stdout] 2688 | where
[INFO] [stdout] 2689 |     V: Value;
[INFO] [stdout]      |        ^^^^^ required by this bound in `SingleKV`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&D: slog::Drain` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:304:41
[INFO] [stdout]     |
[INFO] [stdout] 304 | ...                   if r.log_to(&*drain).is_err() {
[INFO] [stdout]     |                            ------ ^^^^^^^ the trait `slog::Drain` is not implemented for `&D`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `AsyncRecord::log_to`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/slog-async-2.8.0/lib.rs:509:22
[INFO] [stdout]     |
[INFO] [stdout] 509 |     pub fn log_to<D: Drain>(self, drain: &D) -> Result<D::Ok, D::Err> {
[INFO] [stdout]     |                      ^^^^^ required by this bound in `AsyncRecord::log_to`
[INFO] [stdout] help: consider removing the leading `&`-reference
[INFO] [stdout]     |
[INFO] [stdout] 304 -                             if r.log_to(&*drain).is_err() {
[INFO] [stdout] 304 +                             if r.log_to(*drain).is_err() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `maybe_have` are never used
[INFO] [stdout]   --> src/sanity.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Finder {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 34 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[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] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling rand v0.3.23
[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] error: could not compile `slog-async` (lib) due to 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c6be65edca180dbaadafafda18e2f0e27312c9fbcb8e3c0a9d7a9573f72c535d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6be65edca180dbaadafafda18e2f0e27312c9fbcb8e3c0a9d7a9573f72c535d", kill_on_drop: false }`
[INFO] [stdout] c6be65edca180dbaadafafda18e2f0e27312c9fbcb8e3c0a9d7a9573f72c535d
