[INFO] fetching crate stack-array 1.2.10...
[INFO] testing stack-array-1.2.10 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate stack-array 1.2.10 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate stack-array 1.2.10
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate stack-array 1.2.10
[INFO] tweaked toml for crates.io crate stack-array 1.2.10 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stack-array 1.2.10 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stack-array 1.2.10 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-task v0.3.33
[INFO] [stderr]   Downloaded futures-core v0.3.33
[INFO] [stderr]   Downloaded constrangeiter v0.0.8
[INFO] [stderr]   Downloaded futures-util v0.3.33
[INFO] [stderr]   Downloaded find-msvc-tools v0.1.10
[INFO] [stderr]   Downloaded cc v1.4.2
[INFO] [stderr]   Downloaded web-sys v0.3.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7bea129c07bbeeb06cfa52422096c9aac2ad55f828eea7295da051d0a545f357
[INFO] running `Command { std: "docker" "start" "7bea129c07bbeeb06cfa52422096c9aac2ad55f828eea7295da051d0a545f357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bea129c07bbeeb06cfa52422096c9aac2ad55f828eea7295da051d0a545f357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7bea129c07bbeeb06cfa52422096c9aac2ad55f828eea7295da051d0a545f357" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bea129c07bbeeb06cfa52422096c9aac2ad55f828eea7295da051d0a545f357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7bea129c07bbeeb06cfa52422096c9aac2ad55f828eea7295da051d0a545f357" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] error: rustc 1.99.0-beta.8 is not supported by the following package:
[INFO] [stderr]   stack-array@1.2.10 requires rustc 1.100
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "7bea129c07bbeeb06cfa52422096c9aac2ad55f828eea7295da051d0a545f357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bea129c07bbeeb06cfa52422096c9aac2ad55f828eea7295da051d0a545f357", kill_on_drop: false }`
[INFO] [stdout] 7bea129c07bbeeb06cfa52422096c9aac2ad55f828eea7295da051d0a545f357
