[INFO] cloning repository https://github.com/nicklauri/bfi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicklauri/bfi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicklauri%2Fbfi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicklauri%2Fbfi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61db1b894217159a6c049c414951420c40d56a36
[INFO] checking nicklauri/bfi against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicklauri%2Fbfi" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicklauri/bfi on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nicklauri/bfi
[INFO] finished tweaking git repo https://github.com/nicklauri/bfi
[INFO] tweaked toml for git repo https://github.com/nicklauri/bfi written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nicklauri/bfi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bdc74109ee1e1ba3247821cf967b3b2f2a074aa2433b9bb692e3fb64ac0a5ef
[INFO] running `Command { std: "docker" "start" "-a" "9bdc74109ee1e1ba3247821cf967b3b2f2a074aa2433b9bb692e3fb64ac0a5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bdc74109ee1e1ba3247821cf967b3b2f2a074aa2433b9bb692e3fb64ac0a5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdc74109ee1e1ba3247821cf967b3b2f2a074aa2433b9bb692e3fb64ac0a5ef", kill_on_drop: false }`
[INFO] [stdout] 9bdc74109ee1e1ba3247821cf967b3b2f2a074aa2433b9bb692e3fb64ac0a5ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a307b44a219f9decafb98dbb5a24604d0f9b93823d828341e0c49ba3ad6b6aeb
[INFO] running `Command { std: "docker" "start" "-a" "a307b44a219f9decafb98dbb5a24604d0f9b93823d828341e0c49ba3ad6b6aeb", kill_on_drop: false }`
[INFO] [stderr]     Checking bfi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Err(e) => panic!(e)
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Err(e) => panic!("{}", e)
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Err(e) => std::panic::panic_any(e)
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 |   ...                   panic!(format!("{}:{}: incorrect close delimiter ']'", 
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 126 | | ...                       filename, raw_contents_index));
[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] 125 |                             panic!("{}:{}: incorrect close delimiter ']'", 
[INFO] [stdout] 126 |                                 filename, raw_contents_index);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:141:10
[INFO] [stdout]     |
[INFO] [stdout] 141 |           panic!(format!("{}:{}: missing close delimiter ']'", 
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 142 | |             filename, loop_stack.pop().unwrap()));
[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] 141 |         panic!("{}:{}: missing close delimiter ']'", 
[INFO] [stdout] 142 |             filename, loop_stack.pop().unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:188:23
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     Err(e) => panic!(e)
[INFO] [stdout]     |                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     Err(e) => panic!("{}", e)
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     Err(e) => std::panic::panic_any(e)
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Err(e) => panic!(e)
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Err(e) => panic!("{}", e)
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Err(e) => std::panic::panic_any(e)
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 |   ...                   panic!(format!("{}:{}: incorrect close delimiter ']'", 
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 126 | | ...                       filename, raw_contents_index));
[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] 125 |                             panic!("{}:{}: incorrect close delimiter ']'", 
[INFO] [stdout] 126 |                                 filename, raw_contents_index);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:141:10
[INFO] [stdout]     |
[INFO] [stdout] 141 |           panic!(format!("{}:{}: missing close delimiter ']'", 
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 142 | |             filename, loop_stack.pop().unwrap()));
[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] 141 |         panic!("{}:{}: missing close delimiter ']'", 
[INFO] [stdout] 142 |             filename, loop_stack.pop().unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:188:23
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     Err(e) => panic!(e)
[INFO] [stdout]     |                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     Err(e) => panic!("{}", e)
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 188 |                     Err(e) => std::panic::panic_any(e)
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "a307b44a219f9decafb98dbb5a24604d0f9b93823d828341e0c49ba3ad6b6aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a307b44a219f9decafb98dbb5a24604d0f9b93823d828341e0c49ba3ad6b6aeb", kill_on_drop: false }`
[INFO] [stdout] a307b44a219f9decafb98dbb5a24604d0f9b93823d828341e0c49ba3ad6b6aeb