[INFO] fetching crate fairsquare 0.0.0...
[INFO] testing fairsquare-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate fairsquare 0.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fairsquare 0.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fairsquare 0.0.0
[INFO] finished tweaking crates.io crate fairsquare 0.0.0
[INFO] tweaked toml for crates.io crate fairsquare 0.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d08b744cfe8c5bf1354905a66408493cb4ee239f29443f98c82ddd3beb0fbb1d
[INFO] running `Command { std: "docker" "start" "-a" "d08b744cfe8c5bf1354905a66408493cb4ee239f29443f98c82ddd3beb0fbb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d08b744cfe8c5bf1354905a66408493cb4ee239f29443f98c82ddd3beb0fbb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08b744cfe8c5bf1354905a66408493cb4ee239f29443f98c82ddd3beb0fbb1d", kill_on_drop: false }`
[INFO] [stdout] d08b744cfe8c5bf1354905a66408493cb4ee239f29443f98c82ddd3beb0fbb1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4d65f7feecd1a5b4630a5dfd4f5926b5538ca3381b98365536621eacdf26955
[INFO] running `Command { std: "docker" "start" "-a" "a4d65f7feecd1a5b4630a5dfd4f5926b5538ca3381b98365536621eacdf26955", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling juggernaut v0.9.0
[INFO] [stderr]    Compiling fairsquare v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "a4d65f7feecd1a5b4630a5dfd4f5926b5538ca3381b98365536621eacdf26955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d65f7feecd1a5b4630a5dfd4f5926b5538ca3381b98365536621eacdf26955", kill_on_drop: false }`
[INFO] [stdout] a4d65f7feecd1a5b4630a5dfd4f5926b5538ca3381b98365536621eacdf26955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ae8cb00c3f0cf7e28d6fb03fb32ec0f816ba60c163b4f5ab8df8286fcdc59ec
[INFO] running `Command { std: "docker" "start" "-a" "2ae8cb00c3f0cf7e28d6fb03fb32ec0f816ba60c163b4f5ab8df8286fcdc59ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling fairsquare v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2ae8cb00c3f0cf7e28d6fb03fb32ec0f816ba60c163b4f5ab8df8286fcdc59ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae8cb00c3f0cf7e28d6fb03fb32ec0f816ba60c163b4f5ab8df8286fcdc59ec", kill_on_drop: false }`
[INFO] [stdout] 2ae8cb00c3f0cf7e28d6fb03fb32ec0f816ba60c163b4f5ab8df8286fcdc59ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2641a1743114a4858b0cf2cb3684cf64ca3158448cba826bcf0b2fcd15ef22e7
[INFO] running `Command { std: "docker" "start" "-a" "2641a1743114a4858b0cf2cb3684cf64ca3158448cba826bcf0b2fcd15ef22e7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fairsquare-672fe1a9ca66461d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fairsquare
[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" "2641a1743114a4858b0cf2cb3684cf64ca3158448cba826bcf0b2fcd15ef22e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2641a1743114a4858b0cf2cb3684cf64ca3158448cba826bcf0b2fcd15ef22e7", kill_on_drop: false }`
[INFO] [stdout] 2641a1743114a4858b0cf2cb3684cf64ca3158448cba826bcf0b2fcd15ef22e7