[INFO] fetching crate octoon-math 0.1.7...
[INFO] testing octoon-math-0.1.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate octoon-math 0.1.7 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate octoon-math 0.1.7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate octoon-math 0.1.7
[INFO] finished tweaking crates.io crate octoon-math 0.1.7
[INFO] tweaked toml for crates.io crate octoon-math 0.1.7 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 469d3c9b83e60a58562b85920f4acf69b6a3bd155c1fe3f9c884d6d02f7278a3
[INFO] running `Command { std: "docker" "start" "-a" "469d3c9b83e60a58562b85920f4acf69b6a3bd155c1fe3f9c884d6d02f7278a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "469d3c9b83e60a58562b85920f4acf69b6a3bd155c1fe3f9c884d6d02f7278a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469d3c9b83e60a58562b85920f4acf69b6a3bd155c1fe3f9c884d6d02f7278a3", kill_on_drop: false }`
[INFO] [stdout] 469d3c9b83e60a58562b85920f4acf69b6a3bd155c1fe3f9c884d6d02f7278a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cd86e830222dde4f7de882c7f136291773f7e1e6dc80ecce1160c6d6e00e5b2
[INFO] running `Command { std: "docker" "start" "-a" "9cd86e830222dde4f7de882c7f136291773f7e1e6dc80ecce1160c6d6e00e5b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling octoon-math v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "9cd86e830222dde4f7de882c7f136291773f7e1e6dc80ecce1160c6d6e00e5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd86e830222dde4f7de882c7f136291773f7e1e6dc80ecce1160c6d6e00e5b2", kill_on_drop: false }`
[INFO] [stdout] 9cd86e830222dde4f7de882c7f136291773f7e1e6dc80ecce1160c6d6e00e5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fa4fdbc8d678851c96c80171a12054b097b14d40f7e9e50987d4e386904964d
[INFO] running `Command { std: "docker" "start" "-a" "1fa4fdbc8d678851c96c80171a12054b097b14d40f7e9e50987d4e386904964d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling octoon-math v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "1fa4fdbc8d678851c96c80171a12054b097b14d40f7e9e50987d4e386904964d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa4fdbc8d678851c96c80171a12054b097b14d40f7e9e50987d4e386904964d", kill_on_drop: false }`
[INFO] [stdout] 1fa4fdbc8d678851c96c80171a12054b097b14d40f7e9e50987d4e386904964d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40fe5191506d76f6c7e67f0e7be4b899786309ccaeb05b001802ba83121bbe32
[INFO] running `Command { std: "docker" "start" "-a" "40fe5191506d76f6c7e67f0e7be4b899786309ccaeb05b001802ba83121bbe32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/octoon_math-b4bb0b32a2fe2003)
[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 octoon_math
[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" "40fe5191506d76f6c7e67f0e7be4b899786309ccaeb05b001802ba83121bbe32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40fe5191506d76f6c7e67f0e7be4b899786309ccaeb05b001802ba83121bbe32", kill_on_drop: false }`
[INFO] [stdout] 40fe5191506d76f6c7e67f0e7be4b899786309ccaeb05b001802ba83121bbe32