[INFO] fetching crate advancedresearch-utility_programming 0.3.0...
[INFO] testing advancedresearch-utility_programming-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate advancedresearch-utility_programming 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate advancedresearch-utility_programming 0.3.0 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 advancedresearch-utility_programming 0.3.0
[INFO] finished tweaking crates.io crate advancedresearch-utility_programming 0.3.0
[INFO] tweaked toml for crates.io crate advancedresearch-utility_programming 0.3.0 written to /workspace/builds/worker-9/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] 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5d00f268709af2ed4c11ac98f5a4ade9ca3261d55379242d781c8e266b96ce1f
[INFO] running `Command { std: "docker" "start" "-a" "5d00f268709af2ed4c11ac98f5a4ade9ca3261d55379242d781c8e266b96ce1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d00f268709af2ed4c11ac98f5a4ade9ca3261d55379242d781c8e266b96ce1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d00f268709af2ed4c11ac98f5a4ade9ca3261d55379242d781c8e266b96ce1f", kill_on_drop: false }`
[INFO] [stdout] 5d00f268709af2ed4c11ac98f5a4ade9ca3261d55379242d781c8e266b96ce1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f149fabe69a3f5164bc8ec41dd6a3eb74b75077895134a65dce3c8c3488c9704
[INFO] running `Command { std: "docker" "start" "-a" "f149fabe69a3f5164bc8ec41dd6a3eb74b75077895134a65dce3c8c3488c9704", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling advancedresearch-utility_programming v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "f149fabe69a3f5164bc8ec41dd6a3eb74b75077895134a65dce3c8c3488c9704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f149fabe69a3f5164bc8ec41dd6a3eb74b75077895134a65dce3c8c3488c9704", kill_on_drop: false }`
[INFO] [stdout] f149fabe69a3f5164bc8ec41dd6a3eb74b75077895134a65dce3c8c3488c9704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f96450a99a18668735c5d0bcf90afc00678b5f468a60c27435462b66c4a54b9c
[INFO] running `Command { std: "docker" "start" "-a" "f96450a99a18668735c5d0bcf90afc00678b5f468a60c27435462b66c4a54b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling advancedresearch-utility_programming v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/utility_programming-cc5185022635ad56)
[INFO] running `Command { std: "docker" "inspect" "f96450a99a18668735c5d0bcf90afc00678b5f468a60c27435462b66c4a54b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96450a99a18668735c5d0bcf90afc00678b5f468a60c27435462b66c4a54b9c", kill_on_drop: false }`
[INFO] [stdout] f96450a99a18668735c5d0bcf90afc00678b5f468a60c27435462b66c4a54b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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", kill_on_drop: false }`
[INFO] [stdout] 8b9f5970ee18878822fcdd72f65ae1f05106e7a6ae2f28f6658ba6286c471e8e
[INFO] running `Command { std: "docker" "start" "-a" "8b9f5970ee18878822fcdd72f65ae1f05106e7a6ae2f28f6658ba6286c471e8e", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utility_programming-cc5185022635ad56)
[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] [stderr]    Doc-tests utility_programming
[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" "8b9f5970ee18878822fcdd72f65ae1f05106e7a6ae2f28f6658ba6286c471e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9f5970ee18878822fcdd72f65ae1f05106e7a6ae2f28f6658ba6286c471e8e", kill_on_drop: false }`
[INFO] [stdout] 8b9f5970ee18878822fcdd72f65ae1f05106e7a6ae2f28f6658ba6286c471e8e