[INFO] cloning repository https://github.com/gjfei/rust-export-xlsx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gjfei/rust-export-xlsx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjfei%2Frust-export-xlsx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjfei%2Frust-export-xlsx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c7a22d662194de75c039f4f7b4fb945508be6c9
[INFO] checking gjfei/rust-export-xlsx against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgjfei%2Frust-export-xlsx" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gjfei/rust-export-xlsx 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/gjfei/rust-export-xlsx
[INFO] finished tweaking git repo https://github.com/gjfei/rust-export-xlsx
[INFO] tweaked toml for git repo https://github.com/gjfei/rust-export-xlsx written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gjfei/rust-export-xlsx 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 zip v0.5.13
[INFO] [stderr]   Downloaded miniz_oxide v0.5.3
[INFO] [stderr]   Downloaded simple_excel_writer v0.2.0
[INFO] [stderr]   Downloaded flate2 v1.0.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1fc9c7288c1050f4b81b123cb9b78180dea55314dbcd0a84274396a332fc6150
[INFO] running `Command { std: "docker" "start" "-a" "1fc9c7288c1050f4b81b123cb9b78180dea55314dbcd0a84274396a332fc6150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fc9c7288c1050f4b81b123cb9b78180dea55314dbcd0a84274396a332fc6150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc9c7288c1050f4b81b123cb9b78180dea55314dbcd0a84274396a332fc6150", kill_on_drop: false }`
[INFO] [stdout] 1fc9c7288c1050f4b81b123cb9b78180dea55314dbcd0a84274396a332fc6150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c11b908af7ad12ae71312e56a7e9ca44d19fe21fa8b130828f37c65f7750a973
[INFO] running `Command { std: "docker" "start" "-a" "c11b908af7ad12ae71312e56a7e9ca44d19fe21fa8b130828f37c65f7750a973", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking simple_excel_writer v0.2.0
[INFO] [stderr]     Checking export-xlsx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "c11b908af7ad12ae71312e56a7e9ca44d19fe21fa8b130828f37c65f7750a973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11b908af7ad12ae71312e56a7e9ca44d19fe21fa8b130828f37c65f7750a973", kill_on_drop: false }`
[INFO] [stdout] c11b908af7ad12ae71312e56a7e9ca44d19fe21fa8b130828f37c65f7750a973