[INFO] cloning repository https://github.com/BBennettChiba/Rust-etymology
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BBennettChiba/Rust-etymology" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBBennettChiba%2FRust-etymology", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBBennettChiba%2FRust-etymology'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 479c4f43cee60fed4d215b084dc39d8d57470ab2
[INFO] checking BBennettChiba/Rust-etymology against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBBennettChiba%2FRust-etymology" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BBennettChiba/Rust-etymology 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/BBennettChiba/Rust-etymology
[INFO] finished tweaking git repo https://github.com/BBennettChiba/Rust-etymology
[INFO] tweaked toml for git repo https://github.com/BBennettChiba/Rust-etymology written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BBennettChiba/Rust-etymology 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stfu8 v0.2.5
[INFO] [stderr]   Downloaded voca_rs v1.14.0
[INFO] [stderr]   Downloaded epub v1.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 30a38b5e5e914bdf2c741f2f81e50dff3cba699ac28af807c021c84106ab524e
[INFO] running `Command { std: "docker" "start" "-a" "30a38b5e5e914bdf2c741f2f81e50dff3cba699ac28af807c021c84106ab524e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30a38b5e5e914bdf2c741f2f81e50dff3cba699ac28af807c021c84106ab524e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a38b5e5e914bdf2c741f2f81e50dff3cba699ac28af807c021c84106ab524e", kill_on_drop: false }`
[INFO] [stdout] 30a38b5e5e914bdf2c741f2f81e50dff3cba699ac28af807c021c84106ab524e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f4f869ba6d55b344d1cc751de775a625f5ba1a8ff7bf4d81568d0ef29e37e010
[INFO] running `Command { std: "docker" "start" "-a" "f4f869ba6d55b344d1cc751de775a625f5ba1a8ff7bf4d81568d0ef29e37e010", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling anyhow v1.0.62
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking stfu8 v0.2.5
[INFO] [stderr]     Checking epub v1.2.3
[INFO] [stderr]     Checking voca_rs v1.14.0
[INFO] [stderr]     Checking etymology v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.66s
[INFO] running `Command { std: "docker" "inspect" "f4f869ba6d55b344d1cc751de775a625f5ba1a8ff7bf4d81568d0ef29e37e010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f869ba6d55b344d1cc751de775a625f5ba1a8ff7bf4d81568d0ef29e37e010", kill_on_drop: false }`
[INFO] [stdout] f4f869ba6d55b344d1cc751de775a625f5ba1a8ff7bf4d81568d0ef29e37e010