[INFO] updating cached repository https://github.com/SSStormy/demy
[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] 000bfc86a015e1fe5e7734891733bb15caadf256
[INFO] checking SSStormy/demy against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSSStormy%2Fdemy" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SSStormy/demy 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/SSStormy/demy
[INFO] finished tweaking git repo https://github.com/SSStormy/demy
[INFO] tweaked toml for git repo https://github.com/SSStormy/demy written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SSStormy/demy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 44cf4c0bd976b47410ba1816c4bd68e621f12eb27c0be7e988f44ce3a7835da5
[INFO] running `"docker" "start" "-a" "44cf4c0bd976b47410ba1816c4bd68e621f12eb27c0be7e988f44ce3a7835da5"`
[INFO] [stderr]     Checking serde v1.0.46
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.7
[INFO] [stderr]    Compiling serde_derive v1.0.46
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]     Checking demy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:419:34
[INFO] [stderr]     |
[INFO] [stderr] 419 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:427:34
[INFO] [stderr]     |
[INFO] [stderr] 427 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:443:34
[INFO] [stderr]     |
[INFO] [stderr] 443 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:457:34
[INFO] [stderr]     |
[INFO] [stderr] 457 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:465:34
[INFO] [stderr]     |
[INFO] [stderr] 465 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:474:34
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:419:34
[INFO] [stderr]     |
[INFO] [stderr] 419 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:427:34
[INFO] [stderr]     |
[INFO] [stderr] 427 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:443:34
[INFO] [stderr]     |
[INFO] [stderr] 443 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:457:34
[INFO] [stderr]     |
[INFO] [stderr] 457 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:465:34
[INFO] [stderr]     |
[INFO] [stderr] 465 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:474:34
[INFO] [stderr]     |
[INFO] [stderr] 474 |                 println!("{}", e.description());
[INFO] [stderr]     |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.68s
[INFO] running `"docker" "inspect" "44cf4c0bd976b47410ba1816c4bd68e621f12eb27c0be7e988f44ce3a7835da5"`
[INFO] running `"docker" "rm" "-f" "44cf4c0bd976b47410ba1816c4bd68e621f12eb27c0be7e988f44ce3a7835da5"`
[INFO] [stdout] 44cf4c0bd976b47410ba1816c4bd68e621f12eb27c0be7e988f44ce3a7835da5