[INFO] fetching crate buffett_program_interface 0.1.0...
[INFO] testing buffett_program_interface-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate buffett_program_interface 0.1.0 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate buffett_program_interface 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffett_program_interface 0.1.0
[INFO] finished tweaking crates.io crate buffett_program_interface 0.1.0
[INFO] tweaked toml for crates.io crate buffett_program_interface 0.1.0 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 558e8e5af81639ea0e3449bb58d5b489525d94d87383530b6c90bad935a417d1
[INFO] running `Command { std: "docker" "start" "-a" "558e8e5af81639ea0e3449bb58d5b489525d94d87383530b6c90bad935a417d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "558e8e5af81639ea0e3449bb58d5b489525d94d87383530b6c90bad935a417d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558e8e5af81639ea0e3449bb58d5b489525d94d87383530b6c90bad935a417d1", kill_on_drop: false }`
[INFO] [stdout] 558e8e5af81639ea0e3449bb58d5b489525d94d87383530b6c90bad935a417d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e70498a2026f071a67c51f169beda7d3ac34f4f30401ab454cf8bf6e0a1e096d
[INFO] running `Command { std: "docker" "start" "-a" "e70498a2026f071a67c51f169beda7d3ac34f4f30401ab454cf8bf6e0a1e096d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling buffett_program_interface v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.02s
[INFO] running `Command { std: "docker" "inspect" "e70498a2026f071a67c51f169beda7d3ac34f4f30401ab454cf8bf6e0a1e096d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70498a2026f071a67c51f169beda7d3ac34f4f30401ab454cf8bf6e0a1e096d", kill_on_drop: false }`
[INFO] [stdout] e70498a2026f071a67c51f169beda7d3ac34f4f30401ab454cf8bf6e0a1e096d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53b1ecad0bba13ad2d1c09113f6113357fc8fbc89529630539957b6956a077b5
[INFO] running `Command { std: "docker" "start" "-a" "53b1ecad0bba13ad2d1c09113f6113357fc8fbc89529630539957b6956a077b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffett_program_interface v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "53b1ecad0bba13ad2d1c09113f6113357fc8fbc89529630539957b6956a077b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b1ecad0bba13ad2d1c09113f6113357fc8fbc89529630539957b6956a077b5", kill_on_drop: false }`
[INFO] [stdout] 53b1ecad0bba13ad2d1c09113f6113357fc8fbc89529630539957b6956a077b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf6c984d6751f89334a1fc671ae60c23d5d9baa82800c2220cf520f45ffec44d
[INFO] running `Command { std: "docker" "start" "-a" "cf6c984d6751f89334a1fc671ae60c23d5d9baa82800c2220cf520f45ffec44d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/common-3a9f1f1956498683)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests common
[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] [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" "cf6c984d6751f89334a1fc671ae60c23d5d9baa82800c2220cf520f45ffec44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6c984d6751f89334a1fc671ae60c23d5d9baa82800c2220cf520f45ffec44d", kill_on_drop: false }`
[INFO] [stdout] cf6c984d6751f89334a1fc671ae60c23d5d9baa82800c2220cf520f45ffec44d