[INFO] updating cached repository https://github.com/svechinsky/slope
[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] 449bc356ee0edefe594416b8b08494fe50f37158
[INFO] checking svechinsky/slope against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvechinsky%2Fslope" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/svechinsky/slope on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/svechinsky/slope
[INFO] finished tweaking git repo https://github.com/svechinsky/slope
[INFO] tweaked toml for git repo https://github.com/svechinsky/slope written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/svechinsky/slope already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 6ceeefb2ca95648f77dec2e165a827bfda1e62a435122c6b04248944cc9a75f2
[INFO] running `"docker" "start" "-a" "6ceeefb2ca95648f77dec2e165a827bfda1e62a435122c6b04248944cc9a75f2"`
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]     Checking serde_json v1.0.21
[INFO] [stderr]     Checking slope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `transaction::simple_transaction::SimpleTransaction`
[INFO] [stderr]  --> src/conflict_set/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use transaction::simple_transaction::SimpleTransaction;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `transaction::simple_transaction::SimpleTransaction`
[INFO] [stderr]  --> src/conflict_set/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use transaction::simple_transaction::SimpleTransaction;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `public`
[INFO] [stderr]   --> src/state/simple_state.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let public = key_pair.public_key_bytes();
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_public`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sig`
[INFO] [stderr]   --> src/state/simple_state.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let sig = key_pair.sign(MESSAGE);
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_sig`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `transaction`
[INFO] [stderr]   --> src/state/simple_state.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn validate(&self, transaction: &SimpleTransaction) -> bool{
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: consider prefixing with an underscore: `_transaction`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `public`
[INFO] [stderr]   --> src/state/simple_state.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let public = key_pair.public_key_bytes();
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_public`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sig`
[INFO] [stderr]   --> src/state/simple_state.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let sig = key_pair.sign(MESSAGE);
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_sig`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `transaction`
[INFO] [stderr]   --> src/state/simple_state.rs:38:24
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn validate(&self, transaction: &SimpleTransaction) -> bool{
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: consider prefixing with an underscore: `_transaction`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/state/simple_state.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new() -> SimpleState {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/state/simple_state.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new() -> SimpleState {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.02s
[INFO] running `"docker" "inspect" "6ceeefb2ca95648f77dec2e165a827bfda1e62a435122c6b04248944cc9a75f2"`
[INFO] running `"docker" "rm" "-f" "6ceeefb2ca95648f77dec2e165a827bfda1e62a435122c6b04248944cc9a75f2"`
[INFO] [stdout] 6ceeefb2ca95648f77dec2e165a827bfda1e62a435122c6b04248944cc9a75f2