[INFO] fetching crate update_rate 2.0.1...
[INFO] building update_rate-2.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate update_rate 2.0.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate update_rate 2.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate update_rate 2.0.1
[INFO] finished tweaking crates.io crate update_rate 2.0.1
[INFO] tweaked toml for crates.io crate update_rate 2.0.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 455a06d08a5485285853b7eb8b9d60fd8df6a7ffce7e92439e5dd19fa03d4d5c
[INFO] running `Command { std: "docker" "start" "-a" "455a06d08a5485285853b7eb8b9d60fd8df6a7ffce7e92439e5dd19fa03d4d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "455a06d08a5485285853b7eb8b9d60fd8df6a7ffce7e92439e5dd19fa03d4d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455a06d08a5485285853b7eb8b9d60fd8df6a7ffce7e92439e5dd19fa03d4d5c", kill_on_drop: false }`
[INFO] [stdout] 455a06d08a5485285853b7eb8b9d60fd8df6a7ffce7e92439e5dd19fa03d4d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebc40249b062a0a1e46c1b42615ab31b3bf0a83bd0b2c680a9501b5a0985bcdb
[INFO] running `Command { std: "docker" "start" "-a" "ebc40249b062a0a1e46c1b42615ab31b3bf0a83bd0b2c680a9501b5a0985bcdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling update_rate v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "ebc40249b062a0a1e46c1b42615ab31b3bf0a83bd0b2c680a9501b5a0985bcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc40249b062a0a1e46c1b42615ab31b3bf0a83bd0b2c680a9501b5a0985bcdb", kill_on_drop: false }`
[INFO] [stdout] ebc40249b062a0a1e46c1b42615ab31b3bf0a83bd0b2c680a9501b5a0985bcdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 614522981b059d41d150ec4913ebae28f3045903fbf0ca90e501662ffd5c819e
[INFO] running `Command { std: "docker" "start" "-a" "614522981b059d41d150ec4913ebae28f3045903fbf0ca90e501662ffd5c819e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling update_rate v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/update_rate-4ed9daab320d4a2e)
[INFO] running `Command { std: "docker" "inspect" "614522981b059d41d150ec4913ebae28f3045903fbf0ca90e501662ffd5c819e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614522981b059d41d150ec4913ebae28f3045903fbf0ca90e501662ffd5c819e", kill_on_drop: false }`
[INFO] [stdout] 614522981b059d41d150ec4913ebae28f3045903fbf0ca90e501662ffd5c819e