[INFO] fetching crate operator_advisor 0.1.8...
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] crate operator_advisor 0.1.8 is already in cache
[INFO] checking operator_advisor-0.1.8 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] extracting crate operator_advisor 0.1.8 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate operator_advisor 0.1.8 on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate operator_advisor 0.1.8
[INFO] finished tweaking crates.io crate operator_advisor 0.1.8
[INFO] tweaked toml for crates.io crate operator_advisor 0.1.8 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "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] ad9a1bc9282358968edece76ad859582840aaf9bc8b2bd706aa34aeb2d4e74d6
[INFO] running `Command { std: "docker" "start" "-a" "ad9a1bc9282358968edece76ad859582840aaf9bc8b2bd706aa34aeb2d4e74d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad9a1bc9282358968edece76ad859582840aaf9bc8b2bd706aa34aeb2d4e74d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9a1bc9282358968edece76ad859582840aaf9bc8b2bd706aa34aeb2d4e74d6", kill_on_drop: false }`
[INFO] [stdout] ad9a1bc9282358968edece76ad859582840aaf9bc8b2bd706aa34aeb2d4e74d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTDOCFLAGS=--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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4d697e86a06c1f943cd74312a3c106f4e2ee9c408bcd202f4eb9bfd153eb9cf
[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" "d4d697e86a06c1f943cd74312a3c106f4e2ee9c408bcd202f4eb9bfd153eb9cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libm v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.129
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strum v0.22.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling strum_macros v0.22.0
[INFO] [stderr]    Compiling enum-ordinalize v3.1.11
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking operator_advisor v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "d4d697e86a06c1f943cd74312a3c106f4e2ee9c408bcd202f4eb9bfd153eb9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d697e86a06c1f943cd74312a3c106f4e2ee9c408bcd202f4eb9bfd153eb9cf", kill_on_drop: false }`
[INFO] [stdout] d4d697e86a06c1f943cd74312a3c106f4e2ee9c408bcd202f4eb9bfd153eb9cf