[INFO] fetching crate moteconnection 0.3.1...
[INFO] testing moteconnection-0.3.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate moteconnection 0.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate moteconnection 0.3.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate moteconnection 0.3.1
[INFO] finished tweaking crates.io crate moteconnection 0.3.1
[INFO] tweaked toml for crates.io crate moteconnection 0.3.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate moteconnection 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a0d138f07ffa5fd39caecc0df5b938849b0372c56bb60ff43302544832d9126
[INFO] running `Command { std: "docker" "start" "-a" "2a0d138f07ffa5fd39caecc0df5b938849b0372c56bb60ff43302544832d9126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a0d138f07ffa5fd39caecc0df5b938849b0372c56bb60ff43302544832d9126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0d138f07ffa5fd39caecc0df5b938849b0372c56bb60ff43302544832d9126", kill_on_drop: false }`
[INFO] [stdout] 2a0d138f07ffa5fd39caecc0df5b938849b0372c56bb60ff43302544832d9126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff500196a17df50b98385ceed7a54b6a1ebc8dd4bed0859a74a957c9bf21bdc5
[INFO] running `Command { std: "docker" "start" "-a" "ff500196a17df50b98385ceed7a54b6a1ebc8dd4bed0859a74a957c9bf21bdc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling serialport v3.3.0
[INFO] [stderr]    Compiling moteconnection v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/connection.rs:357:24
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 panic!(format!("Unknown event {:?}!", 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]     = 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] 357 |                 panic!("Unknown event {:?}!", e);
[INFO] [stdout]     |                       --                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dispatcher/am/dispatcher.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 e => panic!(format!("Unexpected event {:?}", e)),
[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] 247 |                 e => panic!("Unexpected event {:?}", e),
[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 8.62s
[INFO] running `Command { std: "docker" "inspect" "ff500196a17df50b98385ceed7a54b6a1ebc8dd4bed0859a74a957c9bf21bdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff500196a17df50b98385ceed7a54b6a1ebc8dd4bed0859a74a957c9bf21bdc5", kill_on_drop: false }`
[INFO] [stdout] ff500196a17df50b98385ceed7a54b6a1ebc8dd4bed0859a74a957c9bf21bdc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bbdd27b36891f6d7033f7c2933465a54ca7557fbb785b72f609d59a6870d08e
[INFO] running `Command { std: "docker" "start" "-a" "1bbdd27b36891f6d7033f7c2933465a54ca7557fbb785b72f609d59a6870d08e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/connection.rs:357:24
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 panic!(format!("Unknown event {:?}!", 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]     = 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] 357 |                 panic!("Unknown event {:?}!", e);
[INFO] [stdout]     |                       --                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dispatcher/am/dispatcher.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 e => panic!(format!("Unexpected event {:?}", e)),
[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] 247 |                 e => panic!("Unexpected event {:?}", e),
[INFO] [stdout]     |                            --                        --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling moteconnection v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |         e => panic!(format!("Expected Event::Data, received {:?}", 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]     = 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] 122 |         e => panic!("Expected Event::Data, received {:?}", e),
[INFO] [stdout]     |                    --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |         e => panic!(format!("Expected Event::Data, received {:?}", e)),
[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] 135 |         e => panic!("Expected Event::Data, received {:?}", e),
[INFO] [stdout]     |                    --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:160:25
[INFO] [stdout]     |
[INFO] [stdout] 160 |             e => panic!(format!("Expected Event::Data, received {:?}", e)),
[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] 160 |             e => panic!("Expected Event::Data, received {:?}", e),
[INFO] [stdout]     |                        --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:164:20
[INFO] [stdout]     |
[INFO] [stdout] 164 |             panic!(format!("Unexpected error on recv: {:?}", e));
[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] 164 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stdout]     |                   --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:207:24
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 panic!(format!("Unexpected Event on recv: {:?}", o));
[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] 207 |                 panic!("Unexpected Event on recv: {:?}", o);
[INFO] [stdout]     |                       --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:212:20
[INFO] [stdout]     |
[INFO] [stdout] 212 |             panic!(format!("Unexpected error on recv: {:?}", e));
[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] 212 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stdout]     |                   --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:254:24
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 panic!(format!("Unexpected Event on recv: {:?}", o));
[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] 254 |                 panic!("Unexpected Event on recv: {:?}", o);
[INFO] [stdout]     |                       --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:259:20
[INFO] [stdout]     |
[INFO] [stdout] 259 |             panic!(format!("Unexpected error on recv: {:?}", e));
[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] 259 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stdout]     |                   --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:301:24
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 panic!(format!("Unexpected Event on recv: {:?}", o));
[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] 301 |                 panic!("Unexpected Event on recv: {:?}", o);
[INFO] [stdout]     |                       --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:306:20
[INFO] [stdout]     |
[INFO] [stdout] 306 |             panic!(format!("Unexpected error on recv: {:?}", e));
[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] 306 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stdout]     |                   --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:348:24
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 panic!(format!("Unexpected Event on recv: {:?}", o));
[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] 348 |                 panic!("Unexpected Event on recv: {:?}", o);
[INFO] [stdout]     |                       --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:353:20
[INFO] [stdout]     |
[INFO] [stdout] 353 |             panic!(format!("Unexpected error on recv: {:?}", e));
[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] 353 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stdout]     |                   --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:404:24
[INFO] [stdout]     |
[INFO] [stdout] 404 |                 panic!(format!("Unexpected message type: {:?}", e));
[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] 404 |                 panic!("Unexpected message type: {:?}", e);
[INFO] [stdout]     |                       --                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/connection_tests.rs:409:20
[INFO] [stdout]     |
[INFO] [stdout] 409 |             panic!(format!("Unexpected error on recv: {:?}", e));
[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] 409 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stdout]     |                   --                                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/connection.rs:357:24
[INFO] [stdout]     |
[INFO] [stdout] 357 |                 panic!(format!("Unknown event {:?}!", 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]     = 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] 357 |                 panic!("Unknown event {:?}!", e);
[INFO] [stdout]     |                       --                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/connection.rs:481:25
[INFO] [stdout]     |
[INFO] [stdout] 481 |             e => panic!(format!("Unexpected output: {:?}", e)),
[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] 481 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stdout]     |                        --                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/connection.rs:503:25
[INFO] [stdout]     |
[INFO] [stdout] 503 |             e => panic!(format!("Unexpected output: {:?}", e)),
[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] 503 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stdout]     |                        --                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/connection.rs:525:25
[INFO] [stdout]     |
[INFO] [stdout] 525 |             e => panic!(format!("Unexpected output: {:?}", e)),
[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] 525 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stdout]     |                        --                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/connection.rs:547:25
[INFO] [stdout]     |
[INFO] [stdout] 547 |             e => panic!(format!("Unexpected output: {:?}", e)),
[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] 547 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stdout]     |                        --                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/connection.rs:569:25
[INFO] [stdout]     |
[INFO] [stdout] 569 |             e => panic!(format!("Unexpected output: {:?}", e)),
[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] 569 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stdout]     |                        --                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/connection.rs:611:25
[INFO] [stdout]     |
[INFO] [stdout] 611 |             e => panic!(format!("Unexpected output: {:?}", e)),
[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] 611 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stdout]     |                        --                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/connection.rs:634:25
[INFO] [stdout]     |
[INFO] [stdout] 634 |             e => panic!(format!("Unexpected output: {:?}", e)),
[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] 634 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stdout]     |                        --                          --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dispatcher/am/dispatcher.rs:247:29
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 e => panic!(format!("Unexpected event {:?}", e)),
[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] 247 |                 e => panic!("Unexpected event {:?}", e),
[INFO] [stdout]     |                            --                        --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/transport/serialforwarder.rs:397:25
[INFO] [stdout]     |
[INFO] [stdout] 397 |             v => panic!(format!("Expected a closed stream, got {:?}", v)),
[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] 397 |             v => panic!("Expected a closed stream, got {:?}", v),
[INFO] [stdout]     |                        --                                     --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `Command { std: "docker" "inspect" "1bbdd27b36891f6d7033f7c2933465a54ca7557fbb785b72f609d59a6870d08e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbdd27b36891f6d7033f7c2933465a54ca7557fbb785b72f609d59a6870d08e", kill_on_drop: false }`
[INFO] [stdout] 1bbdd27b36891f6d7033f7c2933465a54ca7557fbb785b72f609d59a6870d08e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b6b221f5ec11bcfed59b6129b2bb68875b9a299272f2a1b5cf9320961da8523
[INFO] running `Command { std: "docker" "start" "-a" "1b6b221f5ec11bcfed59b6129b2bb68875b9a299272f2a1b5cf9320961da8523", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/connection.rs:357:24
[INFO] [stderr]     |
[INFO] [stderr] 357 |                 panic!(format!("Unknown event {:?}!", e));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 357 |                 panic!("Unknown event {:?}!", e);
[INFO] [stderr]     |                       --                      --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/dispatcher/am/dispatcher.rs:247:29
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 e => panic!(format!("Unexpected event {:?}", e)),
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 e => panic!("Unexpected event {:?}", e),
[INFO] [stderr]     |                            --                        --
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/connection.rs:357:24
[INFO] [stderr]     |
[INFO] [stderr] 357 |                 panic!(format!("Unknown event {:?}!", e));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 357 |                 panic!("Unknown event {:?}!", e);
[INFO] [stderr]     |                       --                      --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/connection.rs:481:25
[INFO] [stderr]     |
[INFO] [stderr] 481 |             e => panic!(format!("Unexpected output: {:?}", e)),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 481 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stderr]     |                        --                          --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/connection.rs:503:25
[INFO] [stderr]     |
[INFO] [stderr] 503 |             e => panic!(format!("Unexpected output: {:?}", e)),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 503 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stderr]     |                        --                          --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/connection.rs:525:25
[INFO] [stderr]     |
[INFO] [stderr] 525 |             e => panic!(format!("Unexpected output: {:?}", e)),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 525 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stderr]     |                        --                          --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/connection.rs:547:25
[INFO] [stderr]     |
[INFO] [stderr] 547 |             e => panic!(format!("Unexpected output: {:?}", e)),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 547 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stderr]     |                        --                          --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/connection.rs:569:25
[INFO] [stderr]     |
[INFO] [stderr] 569 |             e => panic!(format!("Unexpected output: {:?}", e)),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 569 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stderr]     |                        --                          --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/connection.rs:611:25
[INFO] [stderr]     |
[INFO] [stderr] 611 |             e => panic!(format!("Unexpected output: {:?}", e)),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 611 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stderr]     |                        --                          --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/connection.rs:634:25
[INFO] [stderr]     |
[INFO] [stderr] 634 |             e => panic!(format!("Unexpected output: {:?}", e)),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 634 |             e => panic!("Unexpected output: {:?}", e),
[INFO] [stderr]     |                        --                          --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/dispatcher/am/dispatcher.rs:247:29
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 e => panic!(format!("Unexpected event {:?}", e)),
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 e => panic!("Unexpected event {:?}", e),
[INFO] [stderr]     |                            --                        --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/transport/serialforwarder.rs:397:25
[INFO] [stderr]     |
[INFO] [stderr] 397 |             v => panic!(format!("Expected a closed stream, got {:?}", v)),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 397 |             v => panic!("Expected a closed stream, got {:?}", v),
[INFO] [stderr]     |                        --                                     --
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 72 tests
[INFO] [stderr]    --> tests/connection_tests.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |         e => panic!(format!("Expected Event::Data, received {:?}", e)),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 122 |         e => panic!("Expected Event::Data, received {:?}", e),
[INFO] [stderr]     |                    --                                      --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:135:21
[INFO] [stderr]     |
[INFO] [stderr] 135 |         e => panic!(format!("Expected Event::Data, received {:?}", e)),
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 135 |         e => panic!("Expected Event::Data, received {:?}", e),
[INFO] [stderr]     |                    --                                      --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:160:25
[INFO] [stderr]     |
[INFO] [stderr] 160 |             e => panic!(format!("Expected Event::Data, received {:?}", e)),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 160 |             e => panic!("Expected Event::Data, received {:?}", e),
[INFO] [stderr]     |                        --                                      --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:164:20
[INFO] [stderr]     |
[INFO] [stderr] 164 |             panic!(format!("Unexpected error on recv: {:?}", e));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 164 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stderr]     |                   --                                 --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:207:24
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 panic!(format!("Unexpected Event on recv: {:?}", o));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 panic!("Unexpected Event on recv: {:?}", o);
[INFO] [stderr]     |                       --                                 --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:212:20
[INFO] [stderr]     |
[INFO] [stderr] 212 |             panic!(format!("Unexpected error on recv: {:?}", e));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 212 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stderr]     |                   --                                 --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:254:24
[INFO] [stderr]     |
[INFO] [stderr] 254 |                 panic!(format!("Unexpected Event on recv: {:?}", o));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 254 |                 panic!("Unexpected Event on recv: {:?}", o);
[INFO] [stderr]     |                       --                                 --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:259:20
[INFO] [stderr]     |
[INFO] [stderr] 259 |             panic!(format!("Unexpected error on recv: {:?}", e));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 259 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stderr]     |                   --                                 --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:301:24
[INFO] [stderr]     |
[INFO] [stderr] 301 |                 panic!(format!("Unexpected Event on recv: {:?}", o));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 301 |                 panic!("Unexpected Event on recv: {:?}", o);
[INFO] [stderr]     |                       --                                 --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:306:20
[INFO] [stderr]     |
[INFO] [stderr] 306 |             panic!(format!("Unexpected error on recv: {:?}", e));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 306 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stderr]     |                   --                                 --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:348:24
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 panic!(format!("Unexpected Event on recv: {:?}", o));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 panic!("Unexpected Event on recv: {:?}", o);
[INFO] [stderr]     |                       --                                 --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:353:20
[INFO] [stderr]     |
[INFO] [stderr] 353 |             panic!(format!("Unexpected error on recv: {:?}", e));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 353 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stderr]     |                   --                                 --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:404:24
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 panic!(format!("Unexpected message type: {:?}", e));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 panic!("Unexpected message type: {:?}", e);
[INFO] [stderr]     |                       --                                --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/connection_tests.rs:409:20
[INFO] [stderr]     |
[INFO] [stderr] 409 |             panic!(format!("Unexpected error on recv: {:?}", e));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 409 |             panic!("Unexpected error on recv: {:?}", e);
[INFO] [stderr]     |                   --                                 --
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/moteconnection-a53869c51ad1cdc2)
[INFO] [stdout] test connection::tests::test_dispatcher_worker_data_event ... ok
[INFO] [stdout] test connection::tests::test_transport_worker_send_does_not_exist ... ok
[INFO] [stdout] test connection::tests::test_from_invalid_string ... ok
[INFO] [stdout] test connection::tests::test_transport_worker_stop ... ok
[INFO] [stdout] test connection::tests::test_transport_worker_send_exists ... ok
[INFO] [stdout] test dispatcher::am::test::test_message_empty_payload_no_metadata ... ok
[INFO] [stdout] test dispatcher::am::dispatcher::tests::test_select_receiver_valid_addr_default_receiver ... ok
[INFO] [stdout] test dispatcher::am::test::test_message_existing_payload_metadata ... ok
[INFO] [stdout] test dispatcher::am::test::test_message_empty_payload_metadata ... ok
[INFO] [stdout] test connection::tests::test_dispatcher_worker_send ... ok
[INFO] [stdout] test connection::tests::test_dispatcher_worker_stop ... ok
[INFO] [stdout] test connection::tests::test_transport_worker_connected_event ... ok
[INFO] [stdout] test connection::tests::test_transport_worker_disconnected_event ... ok
[INFO] [stdout] test connection::tests::test_transport_worker_data_event ... ok
[INFO] [stdout] test dispatcher::am::dispatcher::tests::test_insert_multi_use_receiver ... ok
[INFO] [stdout] test connection::tests::test_connection_reconnect_timeout ... ok
[INFO] [stdout] test dispatcher::am::test::test_message_into_bytes ... ok
[INFO] [stdout] test dispatcher::am::dispatcher::tests::test_select_receiver_invalid_addr_default_snooper ... ok
[INFO] [stdout] test dispatcher::am::dispatcher::tests::test_select_receiver_invalid_addr_no_snooper ... ok
[INFO] [stdout] test dispatcher::am::test::test_message_existing_payload_no_metadata ... ok
[INFO] [stdout] test dispatcher::am::dispatcher::tests::test_select_receiver_valid_addr_no_receiver ... ok
[INFO] [stdout] test dispatcher::am::test::test_message_too_large_data ... ok
[INFO] [stdout] test dispatcher::am::test::test_message_too_small_data ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_many_frames ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_multiple_framing_bytes ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_simple_decode ... ok
[INFO] [stdout] test transport::serial::packets::tests::test_noackpacket_from_bytes ... ok
[INFO] [stdout] test transport::serial::packets::tests::test_noackpacket_new ... ok
[INFO] [stdout] test transport::serial::packets::tests::test_ackpacket_new ... ok
[INFO] [stdout] test transport::serial::packets::tests::test_noackpacket_into_bytes ... ok
[INFO] [stdout] test dispatcher::tests::test_bytes_to_dispatchpacket_no_data ... ok
[INFO] [stdout] test dispatcher::am::dispatcher::tests::test_select_receiver_valid_addr_exact_receiver ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_chunked ... ok
[INFO] [stdout] test dispatcher::tests::test_bytes_to_dispatchpacket_zero_length ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_escape_byte_decode ... ok
[INFO] [stdout] test dispatcher::am::dispatcher::tests::test_select_receiver_invalid_addr_exact_snooper ... ok
[INFO] [stdout] test transport::serial::tests::test_ack_handling ... ok
[INFO] [stdout] test transport::serial::tests::test_ackpacket_handling ... ok
[INFO] [stdout] test transport::serial::tests::test_ackpacket_decode ... ok
[INFO] [stdout] test dispatcher::tests::test_bytes_to_dispatchpacket_normal ... ok
[INFO] [stdout] test transport::serial::packets::tests::test_ack_from_bytes ... ok
[INFO] [stdout] test transport::serial::packets::tests::test_ack_from_ackpacket ... ok
[INFO] [stdout] test dispatcher::tests::test_dispatchpacket_into_bytes ... ok
[INFO] [stdout] test dispatcher::am::test::test_message_too_large_payload ... ok
[INFO] [stdout] test dispatcher::am::test::test_message_too_small_payload ... ok
[INFO] [stdout] test transport::serialforwarder::tests::test_handshake ... ok
[INFO] [stdout] test transport::serial::packets::tests::test_ack_into_bytes ... ok
[INFO] [stdout] test transport::serial::packets::tests::test_ackpacket_from_bytes ... ok
[INFO] [stdout] test transport::serial::packets::tests::test_ack_new ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_invalid_escape ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_escape_byte_encode ... ok
[INFO] [stdout] test transport::serial::packets::tests::test_ackpacket_into_bytes ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_framing_byte_decode ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_framing_byte_encode ... ok
[INFO] [stdout] test transport::serial::tests::test_ack_count_deincrement ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_no_frame_at_start ... ok
[INFO] [stdout] test transport::serial::hdlc::tests::test_simple_encode ... ok
[INFO] [stdout] test connection::tests::test_from_sf_string_no_port ... ok
[INFO] [stdout] test transport::serial::tests::test_seq_num_cache_insert_fail ... ok
[INFO] [stdout] test transport::serial::tests::test_seq_num_cache_insert_success ... ok
[INFO] [stdout] test transport::serialforwarder::tests::test_stop ... ok
[INFO] [stdout] test transport::serialforwarder::tests::test_stream_write ... ok
[INFO] [stdout] test transport::serialforwarder::tests::test_explicit_port ... ok
[INFO] [stdout] test connection::tests::test_from_sf_string_explicit_port ... ok
[INFO] [stdout] test transport::serial::tests::test_seq_num_expiration ... ok
[INFO] [stdout] test transport::serial::tests::test_outgoing_packet ... ok
[INFO] [stdout] test transport::serialforwarder::tests::test_default_port ... ok
[INFO] [stdout] test transport::serialforwarder::tests::test_stream_read_success ... ok
[INFO] [stdout] test transport::serialforwarder::tests::test_pre_connection_stop ... ok
[INFO] [stdout] test transport::serial::tests::test_ackpacket_receive ... ok
[INFO] [stdout] test transport::serial::tests::test_no_ack_resend ... ok
[INFO] [stdout] test transport::serial::tests::test_pre_connection_stop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 72 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/connection_tests.rs (/opt/rustwide/target/debug/deps/connection_tests-e3cb829bcd8df0ce)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_am_default_receiver_connection ... ok
[INFO] [stdout] test test_am_receiver_connection ... ok
[INFO] [stdout] test test_raw_packet_connection ... ok
[INFO] [stdout] test test_am_connection_send ... ok
[INFO] [stdout] test test_am_default_snooper_connection ... ok
[INFO] [stdout] test test_tcp_connection ... ok
[INFO] [stderr]    Doc-tests moteconnection
[INFO] [stdout] test test_am_snooper_connection ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/dispatcher/am/mod.rs - dispatcher::am::Message (line 54) ... ok
[INFO] [stdout] test src/connection.rs - connection::ConnectionBuilder::register_dispatcher (line 210) ... ok
[INFO] [stdout] test src/transport/serial/hdlc.rs - transport::serial::hdlc::HdlcCodec::encode (line 77) ... ok
[INFO] [stdout] test src/connection.rs - connection::Connection::stop (line 156) ... ok
[INFO] [stdout] test src/connection.rs - connection::Connection::new (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1b6b221f5ec11bcfed59b6129b2bb68875b9a299272f2a1b5cf9320961da8523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6b221f5ec11bcfed59b6129b2bb68875b9a299272f2a1b5cf9320961da8523", kill_on_drop: false }`
[INFO] [stdout] 1b6b221f5ec11bcfed59b6129b2bb68875b9a299272f2a1b5cf9320961da8523
