[INFO] fetching crate tiny-broke 0.1.0...
[INFO] testing tiny-broke-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tiny-broke 0.1.0 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate tiny-broke 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tiny-broke 0.1.0
[INFO] finished tweaking crates.io crate tiny-broke 0.1.0
[INFO] tweaked toml for crates.io crate tiny-broke 0.1.0 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc70a73dd4dff049c46404dc1d44310cecf0efb5dc6bba27d8faaa473e85e77c
[INFO] running `Command { std: "docker" "start" "-a" "bc70a73dd4dff049c46404dc1d44310cecf0efb5dc6bba27d8faaa473e85e77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc70a73dd4dff049c46404dc1d44310cecf0efb5dc6bba27d8faaa473e85e77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc70a73dd4dff049c46404dc1d44310cecf0efb5dc6bba27d8faaa473e85e77c", kill_on_drop: false }`
[INFO] [stdout] bc70a73dd4dff049c46404dc1d44310cecf0efb5dc6bba27d8faaa473e85e77c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b62e03c8197298e10b36a6eea4660870d53369b30c0af8fde742621938f8e4d
[INFO] running `Command { std: "docker" "start" "-a" "4b62e03c8197298e10b36a6eea4660870d53369b30c0af8fde742621938f8e4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling tiny-broke v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:308:25
[INFO] [stdout]     |
[INFO] [stdout] 308 |             _ => panic!(format!("Unknown index for message: {}", index)),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 308 -             _ => panic!(format!("Unknown index for message: {}", index)),
[INFO] [stdout] 308 +             _ => panic!("Unknown index for message: {}", index),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "4b62e03c8197298e10b36a6eea4660870d53369b30c0af8fde742621938f8e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b62e03c8197298e10b36a6eea4660870d53369b30c0af8fde742621938f8e4d", kill_on_drop: false }`
[INFO] [stdout] 4b62e03c8197298e10b36a6eea4660870d53369b30c0af8fde742621938f8e4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e817d53a7f3a3ce18b45f51f3e405592738183b387c70693db0d17322c6544a2
[INFO] running `Command { std: "docker" "start" "-a" "e817d53a7f3a3ce18b45f51f3e405592738183b387c70693db0d17322c6544a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-broke v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:308:25
[INFO] [stdout]     |
[INFO] [stdout] 308 |             _ => panic!(format!("Unknown index for message: {}", index)),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 308 -             _ => panic!(format!("Unknown index for message: {}", index)),
[INFO] [stdout] 308 +             _ => panic!("Unknown index for message: {}", index),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "e817d53a7f3a3ce18b45f51f3e405592738183b387c70693db0d17322c6544a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e817d53a7f3a3ce18b45f51f3e405592738183b387c70693db0d17322c6544a2", kill_on_drop: false }`
[INFO] [stdout] e817d53a7f3a3ce18b45f51f3e405592738183b387c70693db0d17322c6544a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac8c04e2317796213f23715352878b7c089a53f370b78f005491b305812ec044
[INFO] running `Command { std: "docker" "start" "-a" "ac8c04e2317796213f23715352878b7c089a53f370b78f005491b305812ec044", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/main.rs:308:25
[INFO] [stderr]     |
[INFO] [stderr] 308 |             _ => panic!(format!("Unknown index for message: {}", index)),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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] 308 -             _ => panic!(format!("Unknown index for message: {}", index)),
[INFO] [stderr] 308 +             _ => panic!("Unknown index for message: {}", index),
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny-broke` (bin "tiny-broke" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tiny_broke-680f0750d5a6ab76)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac8c04e2317796213f23715352878b7c089a53f370b78f005491b305812ec044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac8c04e2317796213f23715352878b7c089a53f370b78f005491b305812ec044", kill_on_drop: false }`
[INFO] [stdout] ac8c04e2317796213f23715352878b7c089a53f370b78f005491b305812ec044