[INFO] cloning repository https://github.com/SybelBlue/rust_enigma
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SybelBlue/rust_enigma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSybelBlue%2Frust_enigma", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSybelBlue%2Frust_enigma'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 658902c93222e8714ca6362cad8ac05c58ff0054
[INFO] checking SybelBlue/rust_enigma against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSybelBlue%2Frust_enigma" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SybelBlue/rust_enigma on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SybelBlue/rust_enigma
[INFO] finished tweaking git repo https://github.com/SybelBlue/rust_enigma
[INFO] tweaked toml for git repo https://github.com/SybelBlue/rust_enigma written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/SybelBlue/rust_enigma already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 083290334cc9aaeaf246cfa8dab30e4b1fc51689a4b27f65474ed2c417b2ca2d
[INFO] running `Command { std: "docker" "start" "-a" "083290334cc9aaeaf246cfa8dab30e4b1fc51689a4b27f65474ed2c417b2ca2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "083290334cc9aaeaf246cfa8dab30e4b1fc51689a4b27f65474ed2c417b2ca2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083290334cc9aaeaf246cfa8dab30e4b1fc51689a4b27f65474ed2c417b2ca2d", kill_on_drop: false }`
[INFO] [stdout] 083290334cc9aaeaf246cfa8dab30e4b1fc51689a4b27f65474ed2c417b2ca2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 564b834beb56e50696e681bacbad21b930f7ef5a257f698749b82fdfaaec061f
[INFO] running `Command { std: "docker" "start" "-a" "564b834beb56e50696e681bacbad21b930f7ef5a257f698749b82fdfaaec061f", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_enigma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/rotor.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 panic!(format!("{} has already been mapped to!", c));
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 panic!("{} has already been mapped to!", c);
[INFO] [stdout]    |                       --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/rotor.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |             panic!(format!("Bad char '{}', must be ascii alphabetic.", c))
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 53 |             panic!("Bad char '{}', must be ascii alphabetic.", c)
[INFO] [stdout]    |                   --                                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/rotor.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 panic!(format!("{} has already been mapped to!", c));
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 panic!("{} has already been mapped to!", c);
[INFO] [stdout]    |                       --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/rotor.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |             panic!(format!("Bad char '{}', must be ascii alphabetic.", c))
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 53 |             panic!("Bad char '{}', must be ascii alphabetic.", c)
[INFO] [stdout]    |                   --                                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "564b834beb56e50696e681bacbad21b930f7ef5a257f698749b82fdfaaec061f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564b834beb56e50696e681bacbad21b930f7ef5a257f698749b82fdfaaec061f", kill_on_drop: false }`
[INFO] [stdout] 564b834beb56e50696e681bacbad21b930f7ef5a257f698749b82fdfaaec061f