[INFO] fetching crate buffett-interface 0.1.0...
[INFO] testing buffett-interface-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate buffett-interface 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate buffett-interface 0.1.0 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 buffett-interface 0.1.0
[INFO] finished tweaking crates.io crate buffett-interface 0.1.0
[INFO] tweaked toml for crates.io crate buffett-interface 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15dbcaff2e23dae00b3f955e3a45603bdabcd29b285dddf79646a1b8125e8c8d
[INFO] running `Command { std: "docker" "start" "-a" "15dbcaff2e23dae00b3f955e3a45603bdabcd29b285dddf79646a1b8125e8c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15dbcaff2e23dae00b3f955e3a45603bdabcd29b285dddf79646a1b8125e8c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dbcaff2e23dae00b3f955e3a45603bdabcd29b285dddf79646a1b8125e8c8d", kill_on_drop: false }`
[INFO] [stdout] 15dbcaff2e23dae00b3f955e3a45603bdabcd29b285dddf79646a1b8125e8c8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 149bb58c3ab3493a9aa1d3638d1f5e91094ed7155772fc59feaee84f7f9f35fd
[INFO] running `Command { std: "docker" "start" "-a" "149bb58c3ab3493a9aa1d3638d1f5e91094ed7155772fc59feaee84f7f9f35fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling buffett-interface v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "149bb58c3ab3493a9aa1d3638d1f5e91094ed7155772fc59feaee84f7f9f35fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149bb58c3ab3493a9aa1d3638d1f5e91094ed7155772fc59feaee84f7f9f35fd", kill_on_drop: false }`
[INFO] [stdout] 149bb58c3ab3493a9aa1d3638d1f5e91094ed7155772fc59feaee84f7f9f35fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a615621016d54e5885ac7e3073af3e8ef5a7d9584b9f8e3f687bcbb2ad5b6036
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a615621016d54e5885ac7e3073af3e8ef5a7d9584b9f8e3f687bcbb2ad5b6036", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling buffett-interface v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "a615621016d54e5885ac7e3073af3e8ef5a7d9584b9f8e3f687bcbb2ad5b6036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a615621016d54e5885ac7e3073af3e8ef5a7d9584b9f8e3f687bcbb2ad5b6036", kill_on_drop: false }`
[INFO] [stdout] a615621016d54e5885ac7e3073af3e8ef5a7d9584b9f8e3f687bcbb2ad5b6036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be077fe0ad642b5529f45589d70b2bc4df4e759f4f778fb7ccdb167c1a3872ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be077fe0ad642b5529f45589d70b2bc4df4e759f4f778fb7ccdb167c1a3872ec", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buffett_interface-81e6932c6f16eea4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buffett-interface
[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" "be077fe0ad642b5529f45589d70b2bc4df4e759f4f778fb7ccdb167c1a3872ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be077fe0ad642b5529f45589d70b2bc4df4e759f4f778fb7ccdb167c1a3872ec", kill_on_drop: false }`
[INFO] [stdout] be077fe0ad642b5529f45589d70b2bc4df4e759f4f778fb7ccdb167c1a3872ec