[INFO] cloning repository https://github.com/DJMcNab/declaration_site
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DJMcNab/declaration_site" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJMcNab%2Fdeclaration_site", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJMcNab%2Fdeclaration_site'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b1e6006bfb7ab4b5e49a9f28b60b9abc10dbe75
[INFO] checking DJMcNab/declaration_site against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJMcNab%2Fdeclaration_site" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DJMcNab/declaration_site on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DJMcNab/declaration_site
[INFO] finished tweaking git repo https://github.com/DJMcNab/declaration_site
[INFO] tweaked toml for git repo https://github.com/DJMcNab/declaration_site written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DJMcNab/declaration_site already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dmsort v1.0.1
[INFO] [stderr]   Downloaded debugid v0.7.3
[INFO] [stderr]   Downloaded elementtree v0.7.0
[INFO] [stderr]   Downloaded symbolic-common v8.7.0
[INFO] [stderr]   Downloaded symbolic-demangle v8.7.0
[INFO] [stderr]   Downloaded goblin v0.5.1
[INFO] [stderr]   Downloaded pdb v0.7.0
[INFO] [stderr]   Downloaded symbolic-debuginfo v8.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7e2a896fdfa99f6b7d052b12776978e3e512b3e7caa9e08227a79184faed780
[INFO] running `Command { std: "docker" "start" "-a" "c7e2a896fdfa99f6b7d052b12776978e3e512b3e7caa9e08227a79184faed780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7e2a896fdfa99f6b7d052b12776978e3e512b3e7caa9e08227a79184faed780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e2a896fdfa99f6b7d052b12776978e3e512b3e7caa9e08227a79184faed780", kill_on_drop: false }`
[INFO] [stdout] c7e2a896fdfa99f6b7d052b12776978e3e512b3e7caa9e08227a79184faed780
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84986bb72a617a1c392ef05c06bf9f82a138b5425011ebdefc1f9f4f67a5cd6f
[INFO] running `Command { std: "docker" "start" "-a" "84986bb72a617a1c392ef05c06bf9f82a138b5425011ebdefc1f9f4f67a5cd6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking debugid v0.7.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling symbolic-demangle v8.7.0
[INFO] [stderr]     Checking bitvec v1.0.0
[INFO] [stderr]     Checking wasmparser v0.83.0
[INFO] [stderr]     Checking dmsort v1.0.1
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking pdb v0.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking memmap2 v0.5.3
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking symbolic-common v8.7.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling scroll_derive v0.11.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking scroll v0.11.0
[INFO] [stderr]     Checking goblin v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking string_cache v0.8.4
[INFO] [stderr]     Checking elementtree v0.7.0
[INFO] [stderr]     Checking symbolic-debuginfo v8.7.0
[INFO] [stderr]     Checking declaration_site v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `test` is never used
[INFO] [stdout]   --> src/symbolic_object/mono_archive.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Parse<'data>: Sized {
[INFO] [stdout]    |           ----- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn test(data: &'data [u8]) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `test` is never used
[INFO] [stdout]   --> src/symbolic_object/mono_archive.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Parse<'data>: Sized {
[INFO] [stdout]    |           ----- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn test(data: &'data [u8]) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "84986bb72a617a1c392ef05c06bf9f82a138b5425011ebdefc1f9f4f67a5cd6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84986bb72a617a1c392ef05c06bf9f82a138b5425011ebdefc1f9f4f67a5cd6f", kill_on_drop: false }`
[INFO] [stdout] 84986bb72a617a1c392ef05c06bf9f82a138b5425011ebdefc1f9f4f67a5cd6f