[INFO] fetching crate rubato 0.12.0...
[INFO] testing rubato-0.12.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate rubato 0.12.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate rubato 0.12.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rubato 0.12.0
[INFO] finished tweaking crates.io crate rubato 0.12.0
[INFO] tweaked toml for crates.io crate rubato 0.12.0 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate crates.io crate rubato 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded realfft v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e976628cad469fac61379d0c39cbd09b221f60c4f99733000eb8ad9651c48950
[INFO] running `Command { std: "docker" "start" "-a" "e976628cad469fac61379d0c39cbd09b221f60c4f99733000eb8ad9651c48950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e976628cad469fac61379d0c39cbd09b221f60c4f99733000eb8ad9651c48950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e976628cad469fac61379d0c39cbd09b221f60c4f99733000eb8ad9651c48950", kill_on_drop: false }`
[INFO] [stdout] e976628cad469fac61379d0c39cbd09b221f60c4f99733000eb8ad9651c48950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91a16babc6743c07515286e66d5f5dcebabadcea1777110f1c83cba7af5f1290
[INFO] running `Command { std: "docker" "start" "-a" "91a16babc6743c07515286e66d5f5dcebabadcea1777110f1c83cba7af5f1290", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: package `rubato v0.12.0 (/opt/rustwide/workdir)` cannot be built because it requires rustc 1.61 or newer, while the currently active rustc version is 1.60.0
[INFO] running `Command { std: "docker" "inspect" "91a16babc6743c07515286e66d5f5dcebabadcea1777110f1c83cba7af5f1290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a16babc6743c07515286e66d5f5dcebabadcea1777110f1c83cba7af5f1290", kill_on_drop: false }`
[INFO] [stdout] 91a16babc6743c07515286e66d5f5dcebabadcea1777110f1c83cba7af5f1290