[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] testing casey/cargo-web-empty-file-crash against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasey%2Fcargo-web-empty-file-crash" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/casey/cargo-web-empty-file-crash on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-33/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bc2f4981939aa0b5a796fa9a7182ad2d1b2a20217cb7e0ab94a8e5f82cf1379
[INFO] running `Command { std: "docker" "start" "-a" "2bc2f4981939aa0b5a796fa9a7182ad2d1b2a20217cb7e0ab94a8e5f82cf1379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bc2f4981939aa0b5a796fa9a7182ad2d1b2a20217cb7e0ab94a8e5f82cf1379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc2f4981939aa0b5a796fa9a7182ad2d1b2a20217cb7e0ab94a8e5f82cf1379", kill_on_drop: false }`
[INFO] [stdout] 2bc2f4981939aa0b5a796fa9a7182ad2d1b2a20217cb7e0ab94a8e5f82cf1379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 740a35f7ebdfbb787de6d183556f1f9fdfa6b0695f21d1390ba23d764c426f5c
[INFO] running `Command { std: "docker" "start" "-a" "740a35f7ebdfbb787de6d183556f1f9fdfa6b0695f21d1390ba23d764c426f5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-file-crash v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "740a35f7ebdfbb787de6d183556f1f9fdfa6b0695f21d1390ba23d764c426f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740a35f7ebdfbb787de6d183556f1f9fdfa6b0695f21d1390ba23d764c426f5c", kill_on_drop: false }`
[INFO] [stdout] 740a35f7ebdfbb787de6d183556f1f9fdfa6b0695f21d1390ba23d764c426f5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b43830331e7ffe27f8e11233ab2bbc6c4bd2e8b5d783d4e070c1fa910d3ddf1
[INFO] running `Command { std: "docker" "start" "-a" "1b43830331e7ffe27f8e11233ab2bbc6c4bd2e8b5d783d4e070c1fa910d3ddf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-file-crash v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "1b43830331e7ffe27f8e11233ab2bbc6c4bd2e8b5d783d4e070c1fa910d3ddf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b43830331e7ffe27f8e11233ab2bbc6c4bd2e8b5d783d4e070c1fa910d3ddf1", kill_on_drop: false }`
[INFO] [stdout] 1b43830331e7ffe27f8e11233ab2bbc6c4bd2e8b5d783d4e070c1fa910d3ddf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5fea3a2ec736bf1e972c2129c59a662a8769c377936895e0f35527dc07a41a5
[INFO] running `Command { std: "docker" "start" "-a" "b5fea3a2ec736bf1e972c2129c59a662a8769c377936895e0f35527dc07a41a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/empty_file_crash-0d77955aeb86f77d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b5fea3a2ec736bf1e972c2129c59a662a8769c377936895e0f35527dc07a41a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5fea3a2ec736bf1e972c2129c59a662a8769c377936895e0f35527dc07a41a5", kill_on_drop: false }`
[INFO] [stdout] b5fea3a2ec736bf1e972c2129c59a662a8769c377936895e0f35527dc07a41a5