[INFO] fetching crate bui-backend 0.8.0...
[INFO] checking bui-backend-0.8.0 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate bui-backend 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bui-backend 0.8.0 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bui-backend 0.8.0
[INFO] finished tweaking crates.io crate bui-backend 0.8.0
[INFO] tweaked toml for crates.io crate bui-backend 0.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb2ed93c8633c7372ba8b611707234729b0d065ba38445390aa046fecd9ed23b
[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" "cb2ed93c8633c7372ba8b611707234729b0d065ba38445390aa046fecd9ed23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb2ed93c8633c7372ba8b611707234729b0d065ba38445390aa046fecd9ed23b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2ed93c8633c7372ba8b611707234729b0d065ba38445390aa046fecd9ed23b", kill_on_drop: false }`
[INFO] [stdout] cb2ed93c8633c7372ba8b611707234729b0d065ba38445390aa046fecd9ed23b
[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=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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79e3e9b80a032fa0bb5c5fa9314c9640cc5f86ccfb066929206b5f7e878a5ed8
[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" "79e3e9b80a032fa0bb5c5fa9314c9640cc5f86ccfb066929206b5f7e878a5ed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking includedir v0.5.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking phf_generator v0.7.24
[INFO] [stderr]     Checking phf_codegen v0.7.24
[INFO] [stderr]     Checking includedir_codegen v0.5.0
[INFO] [stderr]     Checking bui-backend-codegen v0.8.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking stream-cancel v0.5.2
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-change-tracker v0.3.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking bui-backend-types v0.8.0
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking jsonwebtoken v6.0.1
[INFO] [stderr]     Checking bui-backend v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.40s
[INFO] running `Command { std: "docker" "inspect" "79e3e9b80a032fa0bb5c5fa9314c9640cc5f86ccfb066929206b5f7e878a5ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e3e9b80a032fa0bb5c5fa9314c9640cc5f86ccfb066929206b5f7e878a5ed8", kill_on_drop: false }`
[INFO] [stdout] 79e3e9b80a032fa0bb5c5fa9314c9640cc5f86ccfb066929206b5f7e878a5ed8