[INFO] cloning repository https://github.com/CLOG9/df1t-cyph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CLOG9/df1t-cyph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCLOG9%2Fdf1t-cyph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCLOG9%2Fdf1t-cyph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c6e30789026e230d057ad92c495b28598aa94a3
[INFO] checking CLOG9/df1t-cyph against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCLOG9%2Fdf1t-cyph" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CLOG9/df1t-cyph on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CLOG9/df1t-cyph
[INFO] finished tweaking git repo https://github.com/CLOG9/df1t-cyph
[INFO] tweaked toml for git repo https://github.com/CLOG9/df1t-cyph written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CLOG9/df1t-cyph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 009efb823a7fc8eaa1f13c93f19056dbf174d92e0da729d38b35428068f14339
[INFO] running `Command { std: "docker" "start" "-a" "009efb823a7fc8eaa1f13c93f19056dbf174d92e0da729d38b35428068f14339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "009efb823a7fc8eaa1f13c93f19056dbf174d92e0da729d38b35428068f14339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009efb823a7fc8eaa1f13c93f19056dbf174d92e0da729d38b35428068f14339", kill_on_drop: false }`
[INFO] [stdout] 009efb823a7fc8eaa1f13c93f19056dbf174d92e0da729d38b35428068f14339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd0aa4c8f30cf7c6defab8f59d773aa5fba2daf4f4665b2cca2dab3046dc255e
[INFO] running `Command { std: "docker" "start" "-a" "cd0aa4c8f30cf7c6defab8f59d773aa5fba2daf4f4665b2cca2dab3046dc255e", kill_on_drop: false }`
[INFO] [stderr]     Checking df1t-cyph v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/shared/parse.rs:97:44
[INFO] [stdout]    |
[INFO] [stdout] 97 |             new_vec[(i + n) % len] = vec[i].clone();
[INFO] [stdout]    |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/shared/parse.rs:102:50
[INFO] [stdout]     |
[INFO] [stdout] 102 |             new_vec[i] = vec[(i + len - n) % len].clone();
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `removed_element`
[INFO] [stdout]    --> src/encpt/math/matrix.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 let removed_element = my_vector.remove(0);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_removed_element`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/shared/parse.rs:97:44
[INFO] [stdout]    |
[INFO] [stdout] 97 |             new_vec[(i + n) % len] = vec[i].clone();
[INFO] [stdout]    |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/shared/parse.rs:102:50
[INFO] [stdout]     |
[INFO] [stdout] 102 |             new_vec[i] = vec[(i + len - n) % len].clone();
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:34:55
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let enc = df1t_encrypt(buffer.to_owned(), salt.clone().to_string());
[INFO] [stdout]    |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:42:55
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let enc = df1t_encrypt(buffer.to_owned(), salt.clone().to_string());
[INFO] [stdout]    |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:51:55
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let enc = df1t_encrypt(buffer.to_owned(), salt.clone().to_string());
[INFO] [stdout]    |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:59:55
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let enc = df1t_encrypt(buffer.to_owned(), salt.clone().to_string());
[INFO] [stdout]    |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:69:55
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let enc = df1t_encrypt(buffer.to_owned(), salt.clone().to_string());
[INFO] [stdout]    |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:77:55
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let enc = df1t_encrypt(buffer.to_owned(), salt.clone().to_string());
[INFO] [stdout]    |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:85:55
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let enc = df1t_encrypt(buffer.to_owned(), salt.clone().to_string());
[INFO] [stdout]    |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:92:55
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let enc = df1t_encrypt(buffer.to_owned(), salt.clone().to_string());
[INFO] [stdout]    |                                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "cd0aa4c8f30cf7c6defab8f59d773aa5fba2daf4f4665b2cca2dab3046dc255e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0aa4c8f30cf7c6defab8f59d773aa5fba2daf4f4665b2cca2dab3046dc255e", kill_on_drop: false }`
[INFO] [stdout] cd0aa4c8f30cf7c6defab8f59d773aa5fba2daf4f4665b2cca2dab3046dc255e