[INFO] fetching crate spectral 0.6.0...
[INFO] checking spectral-0.6.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate spectral 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate spectral 0.6.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spectral 0.6.0
[INFO] finished tweaking crates.io crate spectral 0.6.0
[INFO] tweaked toml for crates.io crate spectral 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1315493332c47cdb13e67a2853101ae31b1f4843bf7edf2091aae31666b72193
[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" "1315493332c47cdb13e67a2853101ae31b1f4843bf7edf2091aae31666b72193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1315493332c47cdb13e67a2853101ae31b1f4843bf7edf2091aae31666b72193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1315493332c47cdb13e67a2853101ae31b1f4843bf7edf2091aae31666b72193", kill_on_drop: false }`
[INFO] [stdout] 1315493332c47cdb13e67a2853101ae31b1f4843bf7edf2091aae31666b72193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] 3401142589d9b80b4f6902de2251c5cfc47b144905207630965b5832f490f07b
[INFO] running `Command { std: "docker" "start" "-a" "3401142589d9b80b4f6902de2251c5cfc47b144905207630965b5832f490f07b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:343:16
[INFO] [stdout]     |
[INFO] [stdout] 343 |           panic!(format!("{}{}\n\t{}expected: {}\n\t but was: {}{}\n{}",
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 344 | |                        description,
[INFO] [stdout] 345 | |                        subject_name,
[INFO] [stdout] 346 | |                        TERM_RED,
[INFO] [stdout] ...   |
[INFO] [stdout] 349 | |                        TERM_RESET,
[INFO] [stdout] 350 | |                        location))
[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]     = 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] 343 |         panic!("{}{}\n\t{}expected: {}\n\t but was: {}{}\n{}",
[INFO] [stdout] 344 |                        description,
[INFO] [stdout] 345 |                        subject_name,
[INFO] [stdout] 346 |                        TERM_RED,
[INFO] [stdout] 347 |                        self.expected.clone().unwrap(),
[INFO] [stdout] 348 |                        self.actual.clone().unwrap(),
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:360:16
[INFO] [stdout]     |
[INFO] [stdout] 360 |           panic!(format!("{}{}\n\t{}{}{}\n{}",
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 361 | |                        description,
[INFO] [stdout] 362 | |                        subject_name,
[INFO] [stdout] 363 | |                        TERM_RED,
[INFO] [stdout] 364 | |                        message,
[INFO] [stdout] 365 | |                        TERM_RESET,
[INFO] [stdout] 366 | |                        location))
[INFO] [stdout]     | |________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 360 |         panic!("{}{}\n\t{}{}{}\n{}",
[INFO] [stdout] 361 |                        description,
[INFO] [stdout] 362 |                        subject_name,
[INFO] [stdout] 363 |                        TERM_RED,
[INFO] [stdout] 364 |                        message,
[INFO] [stdout] 365 |                        TERM_RESET,
[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]    --> src/lib.rs:343:16
[INFO] [stdout]     |
[INFO] [stdout] 343 |           panic!(format!("{}{}\n\t{}expected: {}\n\t but was: {}{}\n{}",
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 344 | |                        description,
[INFO] [stdout] 345 | |                        subject_name,
[INFO] [stdout] 346 | |                        TERM_RED,
[INFO] [stdout] ...   |
[INFO] [stdout] 349 | |                        TERM_RESET,
[INFO] [stdout] 350 | |                        location))
[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]     = 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] 343 |         panic!("{}{}\n\t{}expected: {}\n\t but was: {}{}\n{}",
[INFO] [stdout] 344 |                        description,
[INFO] [stdout] 345 |                        subject_name,
[INFO] [stdout] 346 |                        TERM_RED,
[INFO] [stdout] 347 |                        self.expected.clone().unwrap(),
[INFO] [stdout] 348 |                        self.actual.clone().unwrap(),
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:360:16
[INFO] [stdout]     |
[INFO] [stdout] 360 |           panic!(format!("{}{}\n\t{}{}{}\n{}",
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 361 | |                        description,
[INFO] [stdout] 362 | |                        subject_name,
[INFO] [stdout] 363 | |                        TERM_RED,
[INFO] [stdout] 364 | |                        message,
[INFO] [stdout] 365 | |                        TERM_RESET,
[INFO] [stdout] 366 | |                        location))
[INFO] [stdout]     | |________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 360 |         panic!("{}{}\n\t{}{}{}\n{}",
[INFO] [stdout] 361 |                        description,
[INFO] [stdout] 362 |                        subject_name,
[INFO] [stdout] 363 |                        TERM_RED,
[INFO] [stdout] 364 |                        message,
[INFO] [stdout] 365 |                        TERM_RESET,
[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 5.12s
[INFO] running `Command { std: "docker" "inspect" "3401142589d9b80b4f6902de2251c5cfc47b144905207630965b5832f490f07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3401142589d9b80b4f6902de2251c5cfc47b144905207630965b5832f490f07b", kill_on_drop: false }`
[INFO] [stdout] 3401142589d9b80b4f6902de2251c5cfc47b144905207630965b5832f490f07b