[INFO] fetching crate rate-core 0.41.0...
[INFO] testing rate-core-0.41.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate rate-core 0.41.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rate-core 0.41.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rate-core 0.41.0
[INFO] finished tweaking crates.io crate rate-core 0.41.0
[INFO] tweaked toml for crates.io crate rate-core 0.41.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 82bc9676c167a9d8f1d2bcc8b2704f7276a8653c81494a9906d02862edb0e984
[INFO] running `Command { std: "docker" "start" "-a" "82bc9676c167a9d8f1d2bcc8b2704f7276a8653c81494a9906d02862edb0e984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82bc9676c167a9d8f1d2bcc8b2704f7276a8653c81494a9906d02862edb0e984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bc9676c167a9d8f1d2bcc8b2704f7276a8653c81494a9906d02862edb0e984", kill_on_drop: false }`
[INFO] [stdout] 82bc9676c167a9d8f1d2bcc8b2704f7276a8653c81494a9906d02862edb0e984
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaebe527f6135d89fba628fc0e10360aa9b271a1f4c362a98716c7f98145c135
[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" "aaebe527f6135d89fba628fc0e10360aa9b271a1f4c362a98716c7f98145c135", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling metacrate v0.1.2
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling typed-slab v0.1.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling headers v0.3.5
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tungstenite v0.14.0
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.15.0
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling h2 v0.3.7
[INFO] [stderr]    Compiling meio v0.95.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling meio-protocol v0.95.2
[INFO] [stderr]    Compiling serde_qs v0.8.5
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling vectorize v0.2.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling hyper v0.14.15
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]    Compiling num_enum v0.5.4
[INFO] [stderr]    Compiling flexbuffers v2.0.0
[INFO] [stderr]    Compiling rill-protocol v0.41.0
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling meio-connect v0.95.2
[INFO] [stderr]    Compiling reqwest v0.11.6
[INFO] [stderr]    Compiling rill-engine v0.41.0
[INFO] [stderr]    Compiling rate-core v0.41.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 37s
[INFO] running `Command { std: "docker" "inspect" "aaebe527f6135d89fba628fc0e10360aa9b271a1f4c362a98716c7f98145c135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaebe527f6135d89fba628fc0e10360aa9b271a1f4c362a98716c7f98145c135", kill_on_drop: false }`
[INFO] [stdout] aaebe527f6135d89fba628fc0e10360aa9b271a1f4c362a98716c7f98145c135
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] fe9d6ef84ebcb135b1cc03dd23f41385ae9e22a12526a950c2e5f18a4c0e885d
[INFO] running `Command { std: "docker" "start" "-a" "fe9d6ef84ebcb135b1cc03dd23f41385ae9e22a12526a950c2e5f18a4c0e885d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rate-core v0.41.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "fe9d6ef84ebcb135b1cc03dd23f41385ae9e22a12526a950c2e5f18a4c0e885d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9d6ef84ebcb135b1cc03dd23f41385ae9e22a12526a950c2e5f18a4c0e885d", kill_on_drop: false }`
[INFO] [stdout] fe9d6ef84ebcb135b1cc03dd23f41385ae9e22a12526a950c2e5f18a4c0e885d
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d52b3a3d5acf581b2e224af6fe16038eb6f709563df6d2816d3f544dbcfdb4c8
[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" "d52b3a3d5acf581b2e224af6fe16038eb6f709563df6d2816d3f544dbcfdb4c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rate_core-479c0538c9ea4892)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rate-core
[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" "d52b3a3d5acf581b2e224af6fe16038eb6f709563df6d2816d3f544dbcfdb4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d52b3a3d5acf581b2e224af6fe16038eb6f709563df6d2816d3f544dbcfdb4c8", kill_on_drop: false }`
[INFO] [stdout] d52b3a3d5acf581b2e224af6fe16038eb6f709563df6d2816d3f544dbcfdb4c8