[INFO] fetching crate spectral 0.6.0...
[INFO] checking spectral-0.6.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate spectral 0.6.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate spectral 0.6.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b3e7816955a1ecea9e1401b95c8e6532dcc0f2fef9e0f73fa88d6774680d4e9
[INFO] running `Command { std: "docker" "start" "-a" "7b3e7816955a1ecea9e1401b95c8e6532dcc0f2fef9e0f73fa88d6774680d4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b3e7816955a1ecea9e1401b95c8e6532dcc0f2fef9e0f73fa88d6774680d4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3e7816955a1ecea9e1401b95c8e6532dcc0f2fef9e0f73fa88d6774680d4e9", kill_on_drop: false }`
[INFO] [stdout] 7b3e7816955a1ecea9e1401b95c8e6532dcc0f2fef9e0f73fa88d6774680d4e9
[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=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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18a398427a164b82310f1642636afbc709f1508a080f2f13186655262e3bcfa0
[INFO] running `Command { std: "docker" "start" "-a" "18a398427a164b82310f1642636afbc709f1508a080f2f13186655262e3bcfa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[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 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] 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 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] 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 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] 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 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] 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 5.75s
[INFO] running `Command { std: "docker" "inspect" "18a398427a164b82310f1642636afbc709f1508a080f2f13186655262e3bcfa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a398427a164b82310f1642636afbc709f1508a080f2f13186655262e3bcfa0", kill_on_drop: false }`
[INFO] [stdout] 18a398427a164b82310f1642636afbc709f1508a080f2f13186655262e3bcfa0