[INFO] updating cached repository https://github.com/sisou/nimiq-rust-miner
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa091a492dc0ff43b4e7a8624ae2644487bb3ede
[INFO] checking sisou/nimiq-rust-miner against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisou%2Fnimiq-rust-miner" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sisou/nimiq-rust-miner on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sisou/nimiq-rust-miner
[INFO] finished tweaking git repo https://github.com/sisou/nimiq-rust-miner
[INFO] tweaked toml for git repo https://github.com/sisou/nimiq-rust-miner written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/sisou/nimiq-rust-miner already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf4a879b500ecd505c9a774775386a15e71aea7f7031099f04db3f641d77e386
[INFO] running `"docker" "start" "-a" "cf4a879b500ecd505c9a774775386a15e71aea7f7031099f04db3f641d77e386"`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking serde v1.0.35
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking u256 v0.1.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking rust-argon2 v0.3.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling serde_derive_internals v0.22.1
[INFO] [stderr]    Compiling serde_derive v1.0.35
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]     Checking flame v0.2.2
[INFO] [stderr]     Checking rust_miner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `argon2` is imported redundantly
[INFO] [stderr]   --> src/main.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 1  | extern crate argon2;
[INFO] [stderr]    | -------------------- the item `argon2` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 37 |     use argon2::{self, Config, ThreadMode, Variant, Version};
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `argon2` is imported redundantly
[INFO] [stderr]   --> src/main.rs:37:18
[INFO] [stderr]    |
[INFO] [stderr] 1  | extern crate argon2;
[INFO] [stderr]    | -------------------- the item `argon2` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 37 |     use argon2::{self, Config, ThreadMode, Variant, Version};
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.56s
[INFO] running `"docker" "inspect" "cf4a879b500ecd505c9a774775386a15e71aea7f7031099f04db3f641d77e386"`
[INFO] running `"docker" "rm" "-f" "cf4a879b500ecd505c9a774775386a15e71aea7f7031099f04db3f641d77e386"`
[INFO] [stdout] cf4a879b500ecd505c9a774775386a15e71aea7f7031099f04db3f641d77e386