[INFO] fetching crate libimagutil 0.10.1...
[INFO] checking libimagutil-0.10.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate libimagutil 0.10.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate libimagutil 0.10.1 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 libimagutil 0.10.1
[INFO] finished tweaking crates.io crate libimagutil 0.10.1
[INFO] tweaked toml for crates.io crate libimagutil 0.10.1 written to /workspace/builds/worker-11/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 7f587d3df0f75cdaced8468f85cd111ed215e2d3398296818a883758eedd77ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f587d3df0f75cdaced8468f85cd111ed215e2d3398296818a883758eedd77ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f587d3df0f75cdaced8468f85cd111ed215e2d3398296818a883758eedd77ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f587d3df0f75cdaced8468f85cd111ed215e2d3398296818a883758eedd77ba", kill_on_drop: false }`
[INFO] [stdout] 7f587d3df0f75cdaced8468f85cd111ed215e2d3398296818a883758eedd77ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43a62d0164031aa08187450195f7e284706d5c8ccba978390b560d26a02e71f8
[INFO] running `Command { std: "docker" "start" "-a" "43a62d0164031aa08187450195f7e284706d5c8ccba978390b560d26a02e71f8", kill_on_drop: false }`
[INFO] [stderr]     Checking libimagutil v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/variants.rs:53:34
[INFO] [stdout]    |
[INFO] [stdout] 53 |         assert!(res.len() == 11, format!("Length is {} instead of 11", res.len()));
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of assert!() 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 assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 53 -         assert!(res.len() == 11, format!("Length is {} instead of 11", res.len()));
[INFO] [stdout] 53 +         assert!(res.len() == 11, "Length is {} instead of 11", res.len());
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/variants.rs:70:33
[INFO] [stdout]    |
[INFO] [stdout] 70 |         assert!(res.len() == 3, format!("Length is {} instead of 3", res.len()));
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() 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 assert!() 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] 70 -         assert!(res.len() == 3, format!("Length is {} instead of 3", res.len()));
[INFO] [stdout] 70 +         assert!(res.len() == 3, "Length is {} instead of 3", res.len());
[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 2.23s
[INFO] running `Command { std: "docker" "inspect" "43a62d0164031aa08187450195f7e284706d5c8ccba978390b560d26a02e71f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a62d0164031aa08187450195f7e284706d5c8ccba978390b560d26a02e71f8", kill_on_drop: false }`
[INFO] [stdout] 43a62d0164031aa08187450195f7e284706d5c8ccba978390b560d26a02e71f8
