[INFO] fetching crate guestfs 0.1.0-compat1.40.0...
[INFO] checking guestfs-0.1.0-compat1.40.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate guestfs 0.1.0-compat1.40.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate guestfs 0.1.0-compat1.40.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guestfs 0.1.0-compat1.40.0
[INFO] finished tweaking crates.io crate guestfs 0.1.0-compat1.40.0
[INFO] tweaked toml for crates.io crate guestfs 0.1.0-compat1.40.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05008466cff1199168f1feeb7670bd4e8028925c1053453fdc02ba9b9c655ff7
[INFO] running `Command { std: "docker" "start" "-a" "05008466cff1199168f1feeb7670bd4e8028925c1053453fdc02ba9b9c655ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05008466cff1199168f1feeb7670bd4e8028925c1053453fdc02ba9b9c655ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05008466cff1199168f1feeb7670bd4e8028925c1053453fdc02ba9b9c655ff7", kill_on_drop: false }`
[INFO] [stdout] 05008466cff1199168f1feeb7670bd4e8028925c1053453fdc02ba9b9c655ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58540c7046c8915bf682dd5f4682fc93804cbb0a76832b6146c39ac5568eb195
[INFO] running `Command { std: "docker" "start" "-a" "58540c7046c8915bf682dd5f4682fc93804cbb0a76832b6146c39ac5568eb195", kill_on_drop: false }`
[INFO] [stderr]     Checking guestfs v0.1.0-compat1.40.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/bindtests.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(e) => panic!(format!(" could not create handle {:?}", e)),
[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] 31 -         Err(e) => panic!(format!(" could not create handle {:?}", e)),
[INFO] [stdout] 31 +         Err(e) => panic!(" could not create handle {:?}", e),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/event.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |             Err(e) => panic!(format!(" could not create handle {:?}", e)),
[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] 13 -             Err(e) => panic!(format!(" could not create handle {:?}", e)),
[INFO] [stdout] 13 +             Err(e) => panic!(" could not create handle {:?}", e),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/bin/event_leak.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |             Err(e) => panic!(format!(" could not create handle {:?}", e)),
[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] 9 -             Err(e) => panic!(format!(" could not create handle {:?}", e)),
[INFO] [stdout] 9 +             Err(e) => panic!(" could not create handle {:?}", e),
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/bin/event_leak.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |             Err(e) => panic!(format!(" could not create handle {:?}", e)),
[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] 9 -             Err(e) => panic!(format!(" could not create handle {:?}", e)),
[INFO] [stdout] 9 +             Err(e) => panic!(" could not create handle {:?}", e),
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/bindtests.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |         Err(e) => panic!(format!(" could not create handle {:?}", e)),
[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] 31 -         Err(e) => panic!(format!(" could not create handle {:?}", e)),
[INFO] [stdout] 31 +         Err(e) => panic!(" could not create handle {:?}", e),
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/event.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |             Err(e) => panic!(format!(" could not create handle {:?}", e)),
[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] 13 -             Err(e) => panic!(format!(" could not create handle {:?}", e)),
[INFO] [stdout] 13 +             Err(e) => panic!(" could not create handle {:?}", e),
[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 5.36s
[INFO] running `Command { std: "docker" "inspect" "58540c7046c8915bf682dd5f4682fc93804cbb0a76832b6146c39ac5568eb195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58540c7046c8915bf682dd5f4682fc93804cbb0a76832b6146c39ac5568eb195", kill_on_drop: false }`
[INFO] [stdout] 58540c7046c8915bf682dd5f4682fc93804cbb0a76832b6146c39ac5568eb195
