[INFO] fetching crate fehler-macros 1.0.0...
[INFO] checking fehler-macros-1.0.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate fehler-macros 1.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate fehler-macros 1.0.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fehler-macros 1.0.0
[INFO] finished tweaking crates.io crate fehler-macros 1.0.0
[INFO] tweaked toml for crates.io crate fehler-macros 1.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd5a8f8c165059109315aef2b535bf6867fd9e3b1c50349748681d000fbeefbf
[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" "dd5a8f8c165059109315aef2b535bf6867fd9e3b1c50349748681d000fbeefbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd5a8f8c165059109315aef2b535bf6867fd9e3b1c50349748681d000fbeefbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5a8f8c165059109315aef2b535bf6867fd9e3b1c50349748681d000fbeefbf", kill_on_drop: false }`
[INFO] [stdout] dd5a8f8c165059109315aef2b535bf6867fd9e3b1c50349748681d000fbeefbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4840bb5513b5205ea19996ed60a51f695402fcf122debdc463831b3cacd5ab35
[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" "4840bb5513b5205ea19996ed60a51f695402fcf122debdc463831b3cacd5ab35", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking fehler-macros v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/args.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 _   => panic!(WRAPPER_MUST_BE_PATH)
[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] 45 |                 _   => panic!("{}", WRAPPER_MUST_BE_PATH)
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 _   => std::panic::panic_any(WRAPPER_MUST_BE_PATH)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/args.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |         } else { panic!(WRAPPER_MUST_BE_PATH) }
[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] 49 |         } else { panic!("{}", WRAPPER_MUST_BE_PATH) }
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 49 |         } else { std::panic::panic_any(WRAPPER_MUST_BE_PATH) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/args.rs:95:55
[INFO] [stdout]    |
[INFO] [stdout] 95 |         _                                   => panic!(WRAPPER_MUST_BE_PATH)
[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] 95 |         _                                   => panic!("{}", WRAPPER_MUST_BE_PATH)
[INFO] [stdout]    |                                                       ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 95 |         _                                   => std::panic::panic_any(WRAPPER_MUST_BE_PATH)
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/args.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 _   => panic!(WRAPPER_MUST_BE_PATH)
[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] 45 |                 _   => panic!("{}", WRAPPER_MUST_BE_PATH)
[INFO] [stdout]    |                               ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 _   => std::panic::panic_any(WRAPPER_MUST_BE_PATH)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/args.rs:49:25
[INFO] [stdout]    |
[INFO] [stdout] 49 |         } else { panic!(WRAPPER_MUST_BE_PATH) }
[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] 49 |         } else { panic!("{}", WRAPPER_MUST_BE_PATH) }
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 49 |         } else { std::panic::panic_any(WRAPPER_MUST_BE_PATH) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/args.rs:95:55
[INFO] [stdout]    |
[INFO] [stdout] 95 |         _                                   => panic!(WRAPPER_MUST_BE_PATH)
[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] 95 |         _                                   => panic!("{}", WRAPPER_MUST_BE_PATH)
[INFO] [stdout]    |                                                       ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 95 |         _                                   => std::panic::panic_any(WRAPPER_MUST_BE_PATH)
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `Command { std: "docker" "inspect" "4840bb5513b5205ea19996ed60a51f695402fcf122debdc463831b3cacd5ab35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4840bb5513b5205ea19996ed60a51f695402fcf122debdc463831b3cacd5ab35", kill_on_drop: false }`
[INFO] [stdout] 4840bb5513b5205ea19996ed60a51f695402fcf122debdc463831b3cacd5ab35