[INFO] fetching crate cuckoo_miner 0.5.2...
[INFO] testing cuckoo_miner-0.5.2 against 1.54.0 for beta-1.55-1
[INFO] extracting crate cuckoo_miner 0.5.2 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate cuckoo_miner 0.5.2 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 465b50eb46f08fe66a2aa8fbf8691a5fa91f6e6dd70c609adf84fd6d94108743
[INFO] running `Command { std: "docker" "start" "-a" "465b50eb46f08fe66a2aa8fbf8691a5fa91f6e6dd70c609adf84fd6d94108743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "465b50eb46f08fe66a2aa8fbf8691a5fa91f6e6dd70c609adf84fd6d94108743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465b50eb46f08fe66a2aa8fbf8691a5fa91f6e6dd70c609adf84fd6d94108743", kill_on_drop: false }`
[INFO] [stdout] 465b50eb46f08fe66a2aa8fbf8691a5fa91f6e6dd70c609adf84fd6d94108743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de09dfd70c606918080062e6af2478f40e83dcdd6551fe18f9e7a5ea2574fcff
[INFO] running `Command { std: "docker" "start" "-a" "de09dfd70c606918080062e6af2478f40e83dcdd6551fe18f9e7a5ea2574fcff", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling slog v2.1.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling cuckoo_miner v0.5.2 (/opt/rustwide/workdir)
[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 is never constructed: `Finder`
[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 is never used: `new`
[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: associated function is never used: `maybe_have`
[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] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling grin_miner_plugin v0.5.2
[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] 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] 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]     = note: required by `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]     ::: /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:149:42
[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]     ::: /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]     ::: /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]     = note: required by `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]     ::: /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:154:42
[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]     ::: /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]     ::: /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] error: could not compile `slog-async`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "de09dfd70c606918080062e6af2478f40e83dcdd6551fe18f9e7a5ea2574fcff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de09dfd70c606918080062e6af2478f40e83dcdd6551fe18f9e7a5ea2574fcff", kill_on_drop: false }`
[INFO] [stdout] de09dfd70c606918080062e6af2478f40e83dcdd6551fe18f9e7a5ea2574fcff
