[INFO] fetching crate bui-backend 0.10.0...
[INFO] checking bui-backend-0.10.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate bui-backend 0.10.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bui-backend 0.10.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bui-backend 0.10.0
[INFO] finished tweaking crates.io crate bui-backend 0.10.0
[INFO] tweaked toml for crates.io crate bui-backend 0.10.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonwebtoken v7.2.0
[INFO] [stderr]   Downloaded bui-backend-codegen v0.9.0
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded tokio-compat-02 v0.1.2
[INFO] [stderr]   Downloaded bui-backend-types v0.8.0
[INFO] [stderr]   Downloaded includedir v0.6.0
[INFO] [stderr]   Downloaded stream-cancel v0.7.0
[INFO] [stderr]   Downloaded async-change-tracker v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2045b7e4268def34d877667a612587652e6d7b963cde76aa90e546ca6714051b
[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" "2045b7e4268def34d877667a612587652e6d7b963cde76aa90e546ca6714051b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2045b7e4268def34d877667a612587652e6d7b963cde76aa90e546ca6714051b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2045b7e4268def34d877667a612587652e6d7b963cde76aa90e546ca6714051b", kill_on_drop: false }`
[INFO] [stdout] 2045b7e4268def34d877667a612587652e6d7b963cde76aa90e546ca6714051b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d22b19a98ea27ca5bfca56de2d68092c899fb31a5bff3d0e83bfc093687d635f
[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" "d22b19a98ea27ca5bfca56de2d68092c899fb31a5bff3d0e83bfc093687d635f", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling tokio v0.3.3
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking includedir v0.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking pem v0.8.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking phf_generator v0.8.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking phf_codegen v0.8.0
[INFO] [stderr]     Checking includedir_codegen v0.6.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking bui-backend-types v0.8.0
[INFO] [stderr]     Checking bui-backend-codegen v0.9.0
[INFO] [stderr]     Checking time v0.2.22
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking jsonwebtoken v7.2.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking stream-cancel v0.7.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-compat-02 v0.1.2
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking async-change-tracker v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking bui-backend v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.86s
[INFO] running `Command { std: "docker" "inspect" "d22b19a98ea27ca5bfca56de2d68092c899fb31a5bff3d0e83bfc093687d635f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22b19a98ea27ca5bfca56de2d68092c899fb31a5bff3d0e83bfc093687d635f", kill_on_drop: false }`
[INFO] [stdout] d22b19a98ea27ca5bfca56de2d68092c899fb31a5bff3d0e83bfc093687d635f