[INFO] cloning repository https://github.com/Baransu/rust-exercise-electronic-signature
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Baransu/rust-exercise-electronic-signature" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaransu%2Frust-exercise-electronic-signature", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaransu%2Frust-exercise-electronic-signature'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04c8255bbf78f9e014e7eb42c867de5e8ab7ff3e
[INFO] checking Baransu/rust-exercise-electronic-signature against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaransu%2Frust-exercise-electronic-signature" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Baransu/rust-exercise-electronic-signature on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Baransu/rust-exercise-electronic-signature
[INFO] finished tweaking git repo https://github.com/Baransu/rust-exercise-electronic-signature
[INFO] tweaked toml for git repo https://github.com/Baransu/rust-exercise-electronic-signature written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Baransu/rust-exercise-electronic-signature already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31631863aae97e764f2ac3acc72bf895c0b23031a18252619d1cdbfbf09b953c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "31631863aae97e764f2ac3acc72bf895c0b23031a18252619d1cdbfbf09b953c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31631863aae97e764f2ac3acc72bf895c0b23031a18252619d1cdbfbf09b953c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31631863aae97e764f2ac3acc72bf895c0b23031a18252619d1cdbfbf09b953c", kill_on_drop: false }`
[INFO] [stdout] 31631863aae97e764f2ac3acc72bf895c0b23031a18252619d1cdbfbf09b953c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15b14b1d286f5e69806471f785a414aadf4fc8d5afdc6201ac436bd84b93a8d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "15b14b1d286f5e69806471f785a414aadf4fc8d5afdc6201ac436bd84b93a8d1", kill_on_drop: false }`
[INFO] [stderr]     Checking podpis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:24:60
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(err) => panic!("Coudn't open {}: {}", display, Error::description(&err)),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:91:60
[INFO] [stdout]    |
[INFO] [stdout] 91 |         Err(err) => panic!("Coudn't open {}: {}", display, Error::description(&err)),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:140:63
[INFO] [stdout]     |
[INFO] [stdout] 140 |         Err(why) => panic!("couldn't create {}: {}", display, Error::description(&why)),
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:144:65
[INFO] [stdout]     |
[INFO] [stdout] 144 |         Err(why) => panic!("Couldn't write to {}: {}", display, Error::description(&why)),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:24:60
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Err(err) => panic!("Coudn't open {}: {}", display, Error::description(&err)),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:91:60
[INFO] [stdout]    |
[INFO] [stdout] 91 |         Err(err) => panic!("Coudn't open {}: {}", display, Error::description(&err)),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:140:63
[INFO] [stdout]     |
[INFO] [stdout] 140 |         Err(why) => panic!("couldn't create {}: {}", display, Error::description(&why)),
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:144:65
[INFO] [stdout]     |
[INFO] [stdout] 144 |         Err(why) => panic!("Couldn't write to {}: {}", display, Error::description(&why)),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "15b14b1d286f5e69806471f785a414aadf4fc8d5afdc6201ac436bd84b93a8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b14b1d286f5e69806471f785a414aadf4fc8d5afdc6201ac436bd84b93a8d1", kill_on_drop: false }`
[INFO] [stdout] 15b14b1d286f5e69806471f785a414aadf4fc8d5afdc6201ac436bd84b93a8d1