[INFO] fetching crate ledger-explorer 0.0.0...
[INFO] testing ledger-explorer-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ledger-explorer 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ledger-explorer 0.0.0 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 ledger-explorer 0.0.0
[INFO] finished tweaking crates.io crate ledger-explorer 0.0.0
[INFO] tweaked toml for crates.io crate ledger-explorer 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ledger-explorer 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc76fa996ded8405a41a6c1dd6ff792ae8238b89a639ff3985352f74454079bb
[INFO] running `Command { std: "docker" "start" "-a" "cc76fa996ded8405a41a6c1dd6ff792ae8238b89a639ff3985352f74454079bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc76fa996ded8405a41a6c1dd6ff792ae8238b89a639ff3985352f74454079bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc76fa996ded8405a41a6c1dd6ff792ae8238b89a639ff3985352f74454079bb", kill_on_drop: false }`
[INFO] [stdout] cc76fa996ded8405a41a6c1dd6ff792ae8238b89a639ff3985352f74454079bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20cd494ec93c768476a2ef6c5216cf1e9cf644eb47fd98a390ff87368632032b
[INFO] running `Command { std: "docker" "start" "-a" "20cd494ec93c768476a2ef6c5216cf1e9cf644eb47fd98a390ff87368632032b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ledger-explorer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "20cd494ec93c768476a2ef6c5216cf1e9cf644eb47fd98a390ff87368632032b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20cd494ec93c768476a2ef6c5216cf1e9cf644eb47fd98a390ff87368632032b", kill_on_drop: false }`
[INFO] [stdout] 20cd494ec93c768476a2ef6c5216cf1e9cf644eb47fd98a390ff87368632032b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 718c171eb17e0eeb74b3dd0b86369d157284badbbac10651784b35c0071677da
[INFO] running `Command { std: "docker" "start" "-a" "718c171eb17e0eeb74b3dd0b86369d157284badbbac10651784b35c0071677da", kill_on_drop: false }`
[INFO] [stderr]    Compiling ledger-explorer v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "718c171eb17e0eeb74b3dd0b86369d157284badbbac10651784b35c0071677da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718c171eb17e0eeb74b3dd0b86369d157284badbbac10651784b35c0071677da", kill_on_drop: false }`
[INFO] [stdout] 718c171eb17e0eeb74b3dd0b86369d157284badbbac10651784b35c0071677da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] af9f52fcb52a93a0946436d7e923d168077f7d68d7980b4d24cd0b2d46235053
[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" "af9f52fcb52a93a0946436d7e923d168077f7d68d7980b4d24cd0b2d46235053", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ledger_explorer-3aff2a7e7b1a0c83)
[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" "af9f52fcb52a93a0946436d7e923d168077f7d68d7980b4d24cd0b2d46235053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9f52fcb52a93a0946436d7e923d168077f7d68d7980b4d24cd0b2d46235053", kill_on_drop: false }`
[INFO] [stdout] af9f52fcb52a93a0946436d7e923d168077f7d68d7980b4d24cd0b2d46235053