[INFO] fetching crate rate-core 0.39.0...
[INFO] testing rate-core-0.39.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rate-core 0.39.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rate-core 0.39.0 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 rate-core 0.39.0
[INFO] finished tweaking crates.io crate rate-core 0.39.0
[INFO] tweaked toml for crates.io crate rate-core 0.39.0 written to /workspace/builds/worker-4/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3185eb3b6cb1ef4fb60aafc29e63ba369db4bd980a708c9d64b1607f357a33f
[INFO] running `Command { std: "docker" "start" "-a" "e3185eb3b6cb1ef4fb60aafc29e63ba369db4bd980a708c9d64b1607f357a33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3185eb3b6cb1ef4fb60aafc29e63ba369db4bd980a708c9d64b1607f357a33f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3185eb3b6cb1ef4fb60aafc29e63ba369db4bd980a708c9d64b1607f357a33f", kill_on_drop: false }`
[INFO] [stdout] e3185eb3b6cb1ef4fb60aafc29e63ba369db4bd980a708c9d64b1607f357a33f
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 995061e3dfd570957e98a61c95eda5260ffeaea7b9574a7cb62607fd136ef208
[INFO] running `Command { std: "docker" "start" "-a" "995061e3dfd570957e98a61c95eda5260ffeaea7b9574a7cb62607fd136ef208", kill_on_drop: false }`
[INFO] [stderr]    Compiling metacrate v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling typed-slab v0.1.4
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling meio-protocol v0.93.6
[INFO] [stderr]    Compiling serde_qs v0.8.4
[INFO] [stderr]    Compiling vectorize v0.2.0
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling tungstenite v0.14.0
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling num_enum v0.5.4
[INFO] [stderr]    Compiling flexbuffers v2.0.0
[INFO] [stderr]    Compiling rill-protocol v0.39.0
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-tungstenite v0.15.0
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling meio v0.93.6
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling meio-connect v0.93.6
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling rill-engine v0.39.0
[INFO] [stderr]    Compiling rate-core v0.39.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.81s
[INFO] running `Command { std: "docker" "inspect" "995061e3dfd570957e98a61c95eda5260ffeaea7b9574a7cb62607fd136ef208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995061e3dfd570957e98a61c95eda5260ffeaea7b9574a7cb62607fd136ef208", kill_on_drop: false }`
[INFO] [stdout] 995061e3dfd570957e98a61c95eda5260ffeaea7b9574a7cb62607fd136ef208
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8dee23f5b071c87b88f41b1bab7889ccad759dbf0814b3c7debf0263404b27c
[INFO] running `Command { std: "docker" "start" "-a" "c8dee23f5b071c87b88f41b1bab7889ccad759dbf0814b3c7debf0263404b27c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rate-core v0.39.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "c8dee23f5b071c87b88f41b1bab7889ccad759dbf0814b3c7debf0263404b27c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dee23f5b071c87b88f41b1bab7889ccad759dbf0814b3c7debf0263404b27c", kill_on_drop: false }`
[INFO] [stdout] c8dee23f5b071c87b88f41b1bab7889ccad759dbf0814b3c7debf0263404b27c
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 635016dc27b65bdb73a2770a0fb119a69149de099a055b3f32f18aef5280d669
[INFO] running `Command { std: "docker" "start" "-a" "635016dc27b65bdb73a2770a0fb119a69149de099a055b3f32f18aef5280d669", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rate_core-c0f1d8b3083bc3ea)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rate-core
[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" "635016dc27b65bdb73a2770a0fb119a69149de099a055b3f32f18aef5280d669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635016dc27b65bdb73a2770a0fb119a69149de099a055b3f32f18aef5280d669", kill_on_drop: false }`
[INFO] [stdout] 635016dc27b65bdb73a2770a0fb119a69149de099a055b3f32f18aef5280d669