[INFO] fetching crate bui-backend 0.12.0...
[INFO] building bui-backend-0.12.0 against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180
[INFO] extracting crate bui-backend 0.12.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate bui-backend 0.12.0 on toolchain a7f375789bab1a4e4a291c963081a8ca7d2b6bd7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bui-backend 0.12.0
[INFO] finished tweaking crates.io crate bui-backend 0.12.0
[INFO] tweaked toml for crates.io crate bui-backend 0.12.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "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" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b4269a4824f368a816d121dca282fdd74089aef15d9ac8c1e70a3d5f464f06f
[INFO] running `Command { std: "docker" "start" "-a" "0b4269a4824f368a816d121dca282fdd74089aef15d9ac8c1e70a3d5f464f06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b4269a4824f368a816d121dca282fdd74089aef15d9ac8c1e70a3d5f464f06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4269a4824f368a816d121dca282fdd74089aef15d9ac8c1e70a3d5f464f06f", kill_on_drop: false }`
[INFO] [stdout] 0b4269a4824f368a816d121dca282fdd74089aef15d9ac8c1e70a3d5f464f06f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1625713c7873050a1f675004fa1a38ed7ae2296748237419cd9300516878b35
[INFO] running `Command { std: "docker" "start" "-a" "a1625713c7873050a1f675004fa1a38ed7ae2296748237419cd9300516878b35", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling siphasher v0.3.9
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling const_fn v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling includedir v0.6.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling includedir_codegen v0.6.0
[INFO] [stderr]    Compiling bui-backend-codegen v0.9.0
[INFO] [stderr]    Compiling simple_asn1 v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling stream-cancel v0.8.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling async-change-tracker v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling bui-backend-types v0.8.0
[INFO] [stderr]    Compiling jsonwebtoken v7.2.0
[INFO] [stderr]    Compiling bui-backend v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.86s
[INFO] running `Command { std: "docker" "inspect" "a1625713c7873050a1f675004fa1a38ed7ae2296748237419cd9300516878b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1625713c7873050a1f675004fa1a38ed7ae2296748237419cd9300516878b35", kill_on_drop: false }`
[INFO] [stdout] a1625713c7873050a1f675004fa1a38ed7ae2296748237419cd9300516878b35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d08e19f051474dd7ba66d665103229a5087e0e46a1962094bc447993ab0b50dc
[INFO] running `Command { std: "docker" "start" "-a" "d08e19f051474dd7ba66d665103229a5087e0e46a1962094bc447993ab0b50dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling bui-backend v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "d08e19f051474dd7ba66d665103229a5087e0e46a1962094bc447993ab0b50dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08e19f051474dd7ba66d665103229a5087e0e46a1962094bc447993ab0b50dc", kill_on_drop: false }`
[INFO] [stdout] d08e19f051474dd7ba66d665103229a5087e0e46a1962094bc447993ab0b50dc