[INFO] updating cached repository sisou/nimiq-rust-miner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sisou/nimiq-rust-miner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sisou/nimiq-rust-miner" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sisou/nimiq-rust-miner"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sisou/nimiq-rust-miner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sisou/nimiq-rust-miner" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sisou/nimiq-rust-miner"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sisou/nimiq-rust-miner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa091a492dc0ff43b4e7a8624ae2644487bb3ede
[INFO] sha for GitHub repo sisou/nimiq-rust-miner: aa091a492dc0ff43b4e7a8624ae2644487bb3ede
[INFO] validating manifest of sisou/nimiq-rust-miner on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sisou/nimiq-rust-miner on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sisou/nimiq-rust-miner
[INFO] finished frobbing sisou/nimiq-rust-miner
[INFO] frobbed toml for sisou/nimiq-rust-miner written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sisou/nimiq-rust-miner/Cargo.toml
[INFO] started frobbing sisou/nimiq-rust-miner
[INFO] finished frobbing sisou/nimiq-rust-miner
[INFO] frobbed toml for sisou/nimiq-rust-miner written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/sisou/nimiq-rust-miner/Cargo.toml
[INFO] crate sisou/nimiq-rust-miner already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sisou/nimiq-rust-miner against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/sisou/nimiq-rust-miner:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ec220dcd0229368ac10c47f1bd8ce8a1b7dae69777f5faf436a1878e9df66e71
[INFO] running `"docker" "start" "-a" "ec220dcd0229368ac10c47f1bd8ce8a1b7dae69777f5faf436a1878e9df66e71"`
[INFO] [stderr]     Checking serde v1.0.35
[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 serde_derive_internals v0.22.1
[INFO] [stderr]     Checking rust-argon2 v0.3.0
[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/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 27.88s
[INFO] running `"docker" "inspect" "ec220dcd0229368ac10c47f1bd8ce8a1b7dae69777f5faf436a1878e9df66e71"`
[INFO] running `"docker" "rm" "-f" "ec220dcd0229368ac10c47f1bd8ce8a1b7dae69777f5faf436a1878e9df66e71"`
[INFO] [stdout] ec220dcd0229368ac10c47f1bd8ce8a1b7dae69777f5faf436a1878e9df66e71