[INFO] fetching crate fb_stats_traits 0.1.0...
[INFO] testing fb_stats_traits-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate fb_stats_traits 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fb_stats_traits 0.1.0 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 fb_stats_traits 0.1.0
[INFO] finished tweaking crates.io crate fb_stats_traits 0.1.0
[INFO] tweaked toml for crates.io crate fb_stats_traits 0.1.0 written to /workspace/builds/worker-4/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] 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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c809a31e84c9ac1de017327e6bcf5a55c6234ca3f66f5816a57eb20ede6a2771
[INFO] running `Command { std: "docker" "start" "-a" "c809a31e84c9ac1de017327e6bcf5a55c6234ca3f66f5816a57eb20ede6a2771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c809a31e84c9ac1de017327e6bcf5a55c6234ca3f66f5816a57eb20ede6a2771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c809a31e84c9ac1de017327e6bcf5a55c6234ca3f66f5816a57eb20ede6a2771", kill_on_drop: false }`
[INFO] [stdout] c809a31e84c9ac1de017327e6bcf5a55c6234ca3f66f5816a57eb20ede6a2771
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ead4158e1484f9a6340e7151fbe1d81f47d9eea12d892cb66e6d335990294d0
[INFO] running `Command { std: "docker" "start" "-a" "2ead4158e1484f9a6340e7151fbe1d81f47d9eea12d892cb66e6d335990294d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling fbinit_macros v0.1.2
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling fbinit v0.1.2
[INFO] [stderr]    Compiling fb_stats_traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "2ead4158e1484f9a6340e7151fbe1d81f47d9eea12d892cb66e6d335990294d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ead4158e1484f9a6340e7151fbe1d81f47d9eea12d892cb66e6d335990294d0", kill_on_drop: false }`
[INFO] [stdout] 2ead4158e1484f9a6340e7151fbe1d81f47d9eea12d892cb66e6d335990294d0
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e81d2bc929fdd6e61c4276ab74b0bb6f8924fa817fee37a4a2a7a559073fbbd
[INFO] running `Command { std: "docker" "start" "-a" "9e81d2bc929fdd6e61c4276ab74b0bb6f8924fa817fee37a4a2a7a559073fbbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling fb_stats_traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "9e81d2bc929fdd6e61c4276ab74b0bb6f8924fa817fee37a4a2a7a559073fbbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e81d2bc929fdd6e61c4276ab74b0bb6f8924fa817fee37a4a2a7a559073fbbd", kill_on_drop: false }`
[INFO] [stdout] 9e81d2bc929fdd6e61c4276ab74b0bb6f8924fa817fee37a4a2a7a559073fbbd
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a736156c58228a8f755a4cf75ff29ae5730be745c6fbf81fd2ed5873a69676f2
[INFO] running `Command { std: "docker" "start" "-a" "a736156c58228a8f755a4cf75ff29ae5730be745c6fbf81fd2ed5873a69676f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stats_traits-79daeaa99fc0c378)
[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 stats_traits
[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" "a736156c58228a8f755a4cf75ff29ae5730be745c6fbf81fd2ed5873a69676f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a736156c58228a8f755a4cf75ff29ae5730be745c6fbf81fd2ed5873a69676f2", kill_on_drop: false }`
[INFO] [stdout] a736156c58228a8f755a4cf75ff29ae5730be745c6fbf81fd2ed5873a69676f2