[INFO] fetching crate grin_miner_util 0.5.2...
[INFO] checking grin_miner_util-0.5.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate grin_miner_util 0.5.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate grin_miner_util 0.5.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grin_miner_util 0.5.2
[INFO] finished tweaking crates.io crate grin_miner_util 0.5.2
[INFO] tweaked toml for crates.io crate grin_miner_util 0.5.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b6d60249e5a9c1be4fc8ce84330b56cc74d39605e34c536a7ffba099bdf4938
[INFO] running `Command { std: "docker" "start" "-a" "0b6d60249e5a9c1be4fc8ce84330b56cc74d39605e34c536a7ffba099bdf4938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b6d60249e5a9c1be4fc8ce84330b56cc74d39605e34c536a7ffba099bdf4938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6d60249e5a9c1be4fc8ce84330b56cc74d39605e34c536a7ffba099bdf4938", kill_on_drop: false }`
[INFO] [stdout] 0b6d60249e5a9c1be4fc8ce84330b56cc74d39605e34c536a7ffba099bdf4938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2a170c927583e1bdf8852219bbe8a4774aa21b5a7fd1e19d67d15a7bb1289b92
[INFO] running `Command { std: "docker" "start" "-a" "2a170c927583e1bdf8852219bbe8a4774aa21b5a7fd1e19d67d15a7bb1289b92", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking slog v2.1.1
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[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] [stderr]     Checking object v0.26.0
[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]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.1.1/src/lib.rs:2687:1
[INFO] [stdout]      |
[INFO] [stdout] 2687 | / pub struct SingleKV<V>(pub Key, pub V)
[INFO] [stdout] 2688 | | where
[INFO] [stdout] 2689 | |     V: Value;
[INFO] [stdout]      | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog-async` due to 11 previous errors
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[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]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-2.1.1/src/lib.rs:2687:1
[INFO] [stdout]      |
[INFO] [stdout] 2687 | / pub struct SingleKV<V>(pub Key, pub V)
[INFO] [stdout] 2688 | | where
[INFO] [stdout] 2689 | |     V: Value;
[INFO] [stdout]      | |_____________^
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "2a170c927583e1bdf8852219bbe8a4774aa21b5a7fd1e19d67d15a7bb1289b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a170c927583e1bdf8852219bbe8a4774aa21b5a7fd1e19d67d15a7bb1289b92", kill_on_drop: false }`
[INFO] [stdout] 2a170c927583e1bdf8852219bbe8a4774aa21b5a7fd1e19d67d15a7bb1289b92