[INFO] crate slip21 0.1.0 is already in cache
[INFO] checking slip21-0.1.0 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] extracting crate slip21 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate slip21 0.1.0 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slip21 0.1.0
[INFO] finished tweaking crates.io crate slip21 0.1.0
[INFO] tweaked toml for crates.io crate slip21 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "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] 741e01f185b17ae19d5463fa1ec2b08f7a3d9d4dbf54ea776d640494fe8698b6
[INFO] running `"docker" "start" "-a" "741e01f185b17ae19d5463fa1ec2b08f7a3d9d4dbf54ea776d640494fe8698b6"`
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking bitcoin_hashes v0.6.0
[INFO] [stderr]     Checking slip21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `fmt`
[INFO] [stderr]  --> src/lib.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{cmp, fmt, hash};
[INFO] [stderr]   |                ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fmt`
[INFO] [stderr]  --> src/lib.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{cmp, fmt, hash};
[INFO] [stderr]   |                ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.73s
[INFO] running `"docker" "inspect" "741e01f185b17ae19d5463fa1ec2b08f7a3d9d4dbf54ea776d640494fe8698b6"`
[INFO] running `"docker" "rm" "-f" "741e01f185b17ae19d5463fa1ec2b08f7a3d9d4dbf54ea776d640494fe8698b6"`
[INFO] [stdout] 741e01f185b17ae19d5463fa1ec2b08f7a3d9d4dbf54ea776d640494fe8698b6