[INFO] cloning repository https://github.com/UnicodingUnicorn/file_scanner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UnicodingUnicorn/file_scanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicodingUnicorn%2Ffile_scanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicodingUnicorn%2Ffile_scanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c307a01c994e19c7551241c161c6aaf82854fb65
[INFO] checking UnicodingUnicorn/file_scanner against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicodingUnicorn%2Ffile_scanner" "/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/UnicodingUnicorn/file_scanner on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking git repo https://github.com/UnicodingUnicorn/file_scanner
[INFO] finished tweaking git repo https://github.com/UnicodingUnicorn/file_scanner
[INFO] tweaked toml for git repo https://github.com/UnicodingUnicorn/file_scanner written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/UnicodingUnicorn/file_scanner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd6699444a051bfe5324bd9a734b6acfc23878722805c8ad548cc3894e38948e
[INFO] running `Command { std: "docker" "start" "-a" "bd6699444a051bfe5324bd9a734b6acfc23878722805c8ad548cc3894e38948e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd6699444a051bfe5324bd9a734b6acfc23878722805c8ad548cc3894e38948e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6699444a051bfe5324bd9a734b6acfc23878722805c8ad548cc3894e38948e", kill_on_drop: false }`
[INFO] [stdout] bd6699444a051bfe5324bd9a734b6acfc23878722805c8ad548cc3894e38948e
[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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbf25347da45d818695c6c6cb4754b4fd4ec616c0361165b2b639f5cf0e50daf
[INFO] running `Command { std: "docker" "start" "-a" "bbf25347da45d818695c6c6cb4754b4fd4ec616c0361165b2b639f5cf0e50daf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.61
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking file_scanner2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `FILE_SCANNER_HASHES` not defined
[INFO] [stdout]   --> src/main.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let hashes_string = env!("FILE_SCANNER_HASHES");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `FILE_SCANNER_DELIMITER` not defined
[INFO] [stdout]   --> src/main.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let delimiter = env!("FILE_SCANNER_DELIMITER");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `file_scanner2` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: environment variable `FILE_SCANNER_HASHES` not defined
[INFO] [stdout]   --> src/main.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let hashes_string = env!("FILE_SCANNER_HASHES");
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `FILE_SCANNER_DELIMITER` not defined
[INFO] [stdout]   --> src/main.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let delimiter = env!("FILE_SCANNER_DELIMITER");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bbf25347da45d818695c6c6cb4754b4fd4ec616c0361165b2b639f5cf0e50daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf25347da45d818695c6c6cb4754b4fd4ec616c0361165b2b639f5cf0e50daf", kill_on_drop: false }`
[INFO] [stdout] bbf25347da45d818695c6c6cb4754b4fd4ec616c0361165b2b639f5cf0e50daf