[INFO] cloning repository https://github.com/BleuShan/viewbuilder-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BleuShan/viewbuilder-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleuShan%2Fviewbuilder-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleuShan%2Fviewbuilder-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73418359b312c6364bcaf1630a01b0918166949d
[INFO] checking BleuShan/viewbuilder-rs against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBleuShan%2Fviewbuilder-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BleuShan/viewbuilder-rs on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BleuShan/viewbuilder-rs
[INFO] finished tweaking git repo https://github.com/BleuShan/viewbuilder-rs
[INFO] tweaked toml for git repo https://github.com/BleuShan/viewbuilder-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/BleuShan/viewbuilder-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] 390071a01c26d991f75ca86a18b78574de61074e3e8763a3f01724a8c9e53d77
[INFO] running `Command { std: "docker" "start" "-a" "390071a01c26d991f75ca86a18b78574de61074e3e8763a3f01724a8c9e53d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "390071a01c26d991f75ca86a18b78574de61074e3e8763a3f01724a8c9e53d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390071a01c26d991f75ca86a18b78574de61074e3e8763a3f01724a8c9e53d77", kill_on_drop: false }`
[INFO] [stdout] 390071a01c26d991f75ca86a18b78574de61074e3e8763a3f01724a8c9e53d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 010effbb79ea0a2096e0d57ec984f956931572d54c527fa2749821c1b421a73a
[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" "010effbb79ea0a2096e0d57ec984f956931572d54c527fa2749821c1b421a73a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking viewbuilder-core v0.1.0 (/opt/rustwide/workdir/viewbuilder-core)
[INFO] [stderr]     Checking viewbuilder v0.1.0 (/opt/rustwide/workdir/viewbuilder)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.37s
[INFO] running `Command { std: "docker" "inspect" "010effbb79ea0a2096e0d57ec984f956931572d54c527fa2749821c1b421a73a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010effbb79ea0a2096e0d57ec984f956931572d54c527fa2749821c1b421a73a", kill_on_drop: false }`
[INFO] [stdout] 010effbb79ea0a2096e0d57ec984f956931572d54c527fa2749821c1b421a73a