[INFO] cloning repository https://github.com/StephanHeijl/global-supertrees [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StephanHeijl/global-supertrees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephanHeijl%2Fglobal-supertrees", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephanHeijl%2Fglobal-supertrees'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 60f3ba049bd818be391b122113e956c8fcf55339 [INFO] testing StephanHeijl/global-supertrees against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephanHeijl%2Fglobal-supertrees" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/StephanHeijl/global-supertrees on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/StephanHeijl/global-supertrees [INFO] finished tweaking git repo https://github.com/StephanHeijl/global-supertrees [INFO] tweaked toml for git repo https://github.com/StephanHeijl/global-supertrees written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/StephanHeijl/global-supertrees already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded half v1.4.0 [INFO] [stderr] Downloaded numpy v0.7.0 [INFO] [stderr] Downloaded pyo3 v0.8.1 [INFO] [stderr] Downloaded pyo3cls v0.8.1 [INFO] [stderr] Downloaded pyo3-derive-backend v0.8.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6977b30e14b6e9e640eacd9022ec16ba7934dbd264637d5cacc09c2d22d89726 [INFO] running `Command { std: "docker" "start" "-a" "6977b30e14b6e9e640eacd9022ec16ba7934dbd264637d5cacc09c2d22d89726", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6977b30e14b6e9e640eacd9022ec16ba7934dbd264637d5cacc09c2d22d89726", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6977b30e14b6e9e640eacd9022ec16ba7934dbd264637d5cacc09c2d22d89726", kill_on_drop: false }` [INFO] [stdout] 6977b30e14b6e9e640eacd9022ec16ba7934dbd264637d5cacc09c2d22d89726 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3e9961796ed4aed432e49e67060336890dc8f3c9554d60912484ff3c9c709c1 [INFO] running `Command { std: "docker" "start" "-a" "e3e9961796ed4aed432e49e67060336890dc8f3c9554d60912484ff3c9c709c1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling unindent v0.1.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling half v1.4.0 [INFO] [stderr] Compiling matrixmultiply v0.2.3 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rayon v1.2.0 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling pyo3-derive-backend v0.8.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling inventory-impl v0.1.4 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling pyo3cls v0.8.1 [INFO] [stderr] Compiling paste-impl v0.1.6 [INFO] [stderr] Compiling indoc-impl v0.3.4 [INFO] [stderr] Compiling inventory v0.1.4 [INFO] [stderr] Compiling paste v0.1.6 [INFO] [stderr] Compiling indoc v0.3.4 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling pyo3 v0.8.1 [INFO] [stderr] Compiling numpy v0.7.0 [INFO] [stderr] Compiling global-supertrees v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result` [INFO] [stdout] --> src/graph_tree.rs:119:62 [INFO] [stdout] | [INFO] [stdout] 118 | / fn _get_parent_node(graph : &Graph, node : NodeIndex) -> Result, std::option::NoneError> { [INFO] [stdout] 119 | | let parent_edge = Tree::_get_parent_edge(graph, node)?; [INFO] [stdout] | | ^ use `.ok_or(...)?` to provide an error compatible with `Result` [INFO] [stdout] 120 | | Ok(parent_edge.source()) [INFO] [stdout] 121 | | } [INFO] [stdout] | |_____- this function returns a `Result` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Result` [INFO] [stdout] = note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `global-supertrees` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "e3e9961796ed4aed432e49e67060336890dc8f3c9554d60912484ff3c9c709c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3e9961796ed4aed432e49e67060336890dc8f3c9554d60912484ff3c9c709c1", kill_on_drop: false }` [INFO] [stdout] e3e9961796ed4aed432e49e67060336890dc8f3c9554d60912484ff3c9c709c1