[INFO] cloning repository https://github.com/Cerulity64X/bionic_html
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cerulity64X/bionic_html" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulity64X%2Fbionic_html", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulity64X%2Fbionic_html'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2af6ce15783a4573fdd833f1bea6068f7e233e5d
[INFO] checking Cerulity64X/bionic_html against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulity64X%2Fbionic_html" "/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/Cerulity64X/bionic_html on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cerulity64X/bionic_html
[INFO] finished tweaking git repo https://github.com/Cerulity64X/bionic_html
[INFO] tweaked toml for git repo https://github.com/Cerulity64X/bionic_html written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cerulity64X/bionic_html 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rt-format v0.3.1
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e122b3d4047758326eb425c6237241def80d55c5ebd9ab01a176fb11fdf17674
[INFO] running `Command { std: "docker" "start" "-a" "e122b3d4047758326eb425c6237241def80d55c5ebd9ab01a176fb11fdf17674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e122b3d4047758326eb425c6237241def80d55c5ebd9ab01a176fb11fdf17674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e122b3d4047758326eb425c6237241def80d55c5ebd9ab01a176fb11fdf17674", kill_on_drop: false }`
[INFO] [stdout] e122b3d4047758326eb425c6237241def80d55c5ebd9ab01a176fb11fdf17674
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97878b4deb4f04b73e1ba54f5a0dbab5e2b13ec86a377923ed18fea724e94301
[INFO] running `Command { std: "docker" "start" "-a" "97878b4deb4f04b73e1ba54f5a0dbab5e2b13ec86a377923ed18fea724e94301", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking rt-format v0.3.1
[INFO] [stderr]     Checking bionic_html v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Format`
[INFO] [stdout]  --> src/main.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rt_format::{ParsedFormat, FormatArgument, Format, NoNamedArguments};
[INFO] [stdout]   |                                               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Format`
[INFO] [stdout]  --> src/main.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rt_format::{ParsedFormat, FormatArgument, Format, NoNamedArguments};
[INFO] [stdout]   |                                               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `specifier`
[INFO] [stdout]   --> src/main.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn supports_format(&self, specifier: &rt_format::Specifier) -> bool { true }
[INFO] [stdout]    |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_specifier`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `specifier`
[INFO] [stdout]   --> src/main.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn supports_format(&self, specifier: &rt_format::Specifier) -> bool { true }
[INFO] [stdout]    |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_specifier`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "97878b4deb4f04b73e1ba54f5a0dbab5e2b13ec86a377923ed18fea724e94301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97878b4deb4f04b73e1ba54f5a0dbab5e2b13ec86a377923ed18fea724e94301", kill_on_drop: false }`
[INFO] [stdout] 97878b4deb4f04b73e1ba54f5a0dbab5e2b13ec86a377923ed18fea724e94301
[INFO] checking Cerulity64X/bionic_html against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulity64X%2Fbionic_html" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cerulity64X/bionic_html on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cerulity64X/bionic_html
[INFO] finished tweaking git repo https://github.com/Cerulity64X/bionic_html
[INFO] tweaked toml for git repo https://github.com/Cerulity64X/bionic_html written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Cerulity64X/bionic_html 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 811e34b47f98f8134ab3af1df79c310e89f0454a679f5dfa581a3a7ebd37afcb
[INFO] running `Command { std: "docker" "start" "-a" "811e34b47f98f8134ab3af1df79c310e89f0454a679f5dfa581a3a7ebd37afcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "811e34b47f98f8134ab3af1df79c310e89f0454a679f5dfa581a3a7ebd37afcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811e34b47f98f8134ab3af1df79c310e89f0454a679f5dfa581a3a7ebd37afcb", kill_on_drop: false }`
[INFO] [stdout] 811e34b47f98f8134ab3af1df79c310e89f0454a679f5dfa581a3a7ebd37afcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0718949d6e8625828f0739ff2cd27c9c6dc6010703110be2460ad3d2daa1ee1e
[INFO] running `Command { std: "docker" "start" "-a" "0718949d6e8625828f0739ff2cd27c9c6dc6010703110be2460ad3d2daa1ee1e", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking rt-format v0.3.1
[INFO] [stderr]     Checking bionic_html v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Format`
[INFO] [stdout]  --> src/main.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rt_format::{ParsedFormat, FormatArgument, Format, NoNamedArguments};
[INFO] [stdout]   |                                               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Format`
[INFO] [stdout]  --> src/main.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rt_format::{ParsedFormat, FormatArgument, Format, NoNamedArguments};
[INFO] [stdout]   |                                               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `specifier`
[INFO] [stdout]   --> src/main.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn supports_format(&self, specifier: &rt_format::Specifier) -> bool { true }
[INFO] [stdout]    |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_specifier`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `specifier`
[INFO] [stdout]   --> src/main.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn supports_format(&self, specifier: &rt_format::Specifier) -> bool { true }
[INFO] [stdout]    |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_specifier`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "0718949d6e8625828f0739ff2cd27c9c6dc6010703110be2460ad3d2daa1ee1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0718949d6e8625828f0739ff2cd27c9c6dc6010703110be2460ad3d2daa1ee1e", kill_on_drop: false }`
[INFO] [stdout] 0718949d6e8625828f0739ff2cd27c9c6dc6010703110be2460ad3d2daa1ee1e