[INFO] cloning repository https://github.com/leo60228/qt-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leo60228/qt-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo60228%2Fqt-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo60228%2Fqt-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba414945b8a3ed48d6cdc5f760ef204623c7caf6
[INFO] checking leo60228/qt-experiments against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo60228%2Fqt-experiments" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leo60228/qt-experiments on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leo60228/qt-experiments
[INFO] finished tweaking git repo https://github.com/leo60228/qt-experiments
[INFO] tweaked toml for git repo https://github.com/leo60228/qt-experiments written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/leo60228/qt-experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpp_common v0.5.5
[INFO] [stderr]   Downloaded cpp v0.5.5
[INFO] [stderr]   Downloaded cpp_macros v0.5.5
[INFO] [stderr]   Downloaded cpp_build v0.5.5
[INFO] [stderr]   Downloaded cstr v0.2.5
[INFO] [stderr]   Downloaded qmetaobject v0.1.4
[INFO] [stderr]   Downloaded if_rust_version v1.0.0
[INFO] [stderr]   Downloaded qmetaobject_impl v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] 1c90038bf76ada1326b355ec1904bcbcf90eea47b51097e03fc6271ecda8fb5e
[INFO] running `Command { std: "docker" "start" "-a" "1c90038bf76ada1326b355ec1904bcbcf90eea47b51097e03fc6271ecda8fb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c90038bf76ada1326b355ec1904bcbcf90eea47b51097e03fc6271ecda8fb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c90038bf76ada1326b355ec1904bcbcf90eea47b51097e03fc6271ecda8fb5e", kill_on_drop: false }`
[INFO] [stdout] 1c90038bf76ada1326b355ec1904bcbcf90eea47b51097e03fc6271ecda8fb5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ceaa4125d62cc2f0a8861eb8cf4533e9c760dca681889d24a45f8e322261a54e
[INFO] running `Command { std: "docker" "start" "-a" "ceaa4125d62cc2f0a8861eb8cf4533e9c760dca681889d24a45f8e322261a54e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cstr v0.2.5
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling cpp_common v0.5.5
[INFO] [stderr]    Compiling cpp_build v0.5.5
[INFO] [stderr]    Compiling cpp_macros v0.5.5
[INFO] [stderr]    Compiling qmetaobject v0.1.4
[INFO] [stderr]    Compiling qmetaobject_impl v0.1.4
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking cpp v0.5.5
[INFO] [stderr]     Checking qt-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "ceaa4125d62cc2f0a8861eb8cf4533e9c760dca681889d24a45f8e322261a54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceaa4125d62cc2f0a8861eb8cf4533e9c760dca681889d24a45f8e322261a54e", kill_on_drop: false }`
[INFO] [stdout] ceaa4125d62cc2f0a8861eb8cf4533e9c760dca681889d24a45f8e322261a54e