[INFO] cloning repository https://github.com/casey/cargo-web-empty-file-crash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casey/cargo-web-empty-file-crash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fcargo-web-empty-file-crash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fcargo-web-empty-file-crash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fbc4fdb5eb457ff9da5581d8ad0648a723f488c
[INFO] checking casey/cargo-web-empty-file-crash against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fcargo-web-empty-file-crash" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/casey/cargo-web-empty-file-crash on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/casey/cargo-web-empty-file-crash
[INFO] finished tweaking git repo https://github.com/casey/cargo-web-empty-file-crash
[INFO] tweaked toml for git repo https://github.com/casey/cargo-web-empty-file-crash written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/casey/cargo-web-empty-file-crash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a216b2da70dde2476d49312dfe9b889b82e118d4f0ef28da25490a2547c7c794
[INFO] running `Command { std: "docker" "start" "-a" "a216b2da70dde2476d49312dfe9b889b82e118d4f0ef28da25490a2547c7c794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a216b2da70dde2476d49312dfe9b889b82e118d4f0ef28da25490a2547c7c794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a216b2da70dde2476d49312dfe9b889b82e118d4f0ef28da25490a2547c7c794", kill_on_drop: false }`
[INFO] [stdout] a216b2da70dde2476d49312dfe9b889b82e118d4f0ef28da25490a2547c7c794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b99d8f19b077a11147917f3462eb32060ba455e6350153a6cece44aa5cc0a7e
[INFO] running `Command { std: "docker" "start" "-a" "7b99d8f19b077a11147917f3462eb32060ba455e6350153a6cece44aa5cc0a7e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking empty-file-crash v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "7b99d8f19b077a11147917f3462eb32060ba455e6350153a6cece44aa5cc0a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b99d8f19b077a11147917f3462eb32060ba455e6350153a6cece44aa5cc0a7e", kill_on_drop: false }`
[INFO] [stdout] 7b99d8f19b077a11147917f3462eb32060ba455e6350153a6cece44aa5cc0a7e