[INFO] fetching crate iota-signing 0.2.1...
[INFO] checking iota-signing-0.2.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate iota-signing 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate iota-signing 0.2.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iota-signing 0.2.1
[INFO] finished tweaking crates.io crate iota-signing 0.2.1
[INFO] tweaked toml for crates.io crate iota-signing 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", 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] 5d5db7d83a042e7f1ff549ff3effd3db5ebbe572f3188b32acffc6ec3913c7fd
[INFO] running `Command { std: "docker" "start" "-a" "5d5db7d83a042e7f1ff549ff3effd3db5ebbe572f3188b32acffc6ec3913c7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d5db7d83a042e7f1ff549ff3effd3db5ebbe572f3188b32acffc6ec3913c7fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5db7d83a042e7f1ff549ff3effd3db5ebbe572f3188b32acffc6ec3913c7fd", kill_on_drop: false }`
[INFO] [stdout] 5d5db7d83a042e7f1ff549ff3effd3db5ebbe572f3188b32acffc6ec3913c7fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dafce4f1c90fd0e8a9ef19734d9bf64791dc0cbce9c5d2b98c9a8abf687abd7
[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" "5dafce4f1c90fd0e8a9ef19734d9bf64791dc0cbce9c5d2b98c9a8abf687abd7", kill_on_drop: false }`
[INFO] [stderr]     Checking iota-validation v0.2.1
[INFO] [stderr]     Checking iota-signing v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> checksum.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     panic!(iota_constants::INVALID_ADDRESSES_INPUT_ERROR);
[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] 25 |     panic!("{}", iota_constants::INVALID_ADDRESSES_INPUT_ERROR);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |     std::panic::panic_any(iota_constants::INVALID_ADDRESSES_INPUT_ERROR);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |         panic!(iota_constants::INVALID_SECURITY_LEVEL_INPUT_ERROR);
[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] 29 |         panic!("{}", iota_constants::INVALID_SECURITY_LEVEL_INPUT_ERROR);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 29 |         std::panic::panic_any(iota_constants::INVALID_SECURITY_LEVEL_INPUT_ERROR);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> checksum.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     panic!(iota_constants::INVALID_ADDRESSES_INPUT_ERROR);
[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] 25 |     panic!("{}", iota_constants::INVALID_ADDRESSES_INPUT_ERROR);
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |     std::panic::panic_any(iota_constants::INVALID_ADDRESSES_INPUT_ERROR);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> lib.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |         panic!(iota_constants::INVALID_SECURITY_LEVEL_INPUT_ERROR);
[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] 29 |         panic!("{}", iota_constants::INVALID_SECURITY_LEVEL_INPUT_ERROR);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 29 |         std::panic::panic_any(iota_constants::INVALID_SECURITY_LEVEL_INPUT_ERROR);
[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 0.71s
[INFO] running `Command { std: "docker" "inspect" "5dafce4f1c90fd0e8a9ef19734d9bf64791dc0cbce9c5d2b98c9a8abf687abd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dafce4f1c90fd0e8a9ef19734d9bf64791dc0cbce9c5d2b98c9a8abf687abd7", kill_on_drop: false }`
[INFO] [stdout] 5dafce4f1c90fd0e8a9ef19734d9bf64791dc0cbce9c5d2b98c9a8abf687abd7