[INFO] cloning repository https://github.com/florianjacob/dsn-traveller [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/florianjacob/dsn-traveller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorianjacob%2Fdsn-traveller", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorianjacob%2Fdsn-traveller'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 36b06ee371c1c882aae790fcbda5f7f53ee3f5f4 [INFO] checking florianjacob/dsn-traveller against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflorianjacob%2Fdsn-traveller" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/florianjacob/dsn-traveller on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/florianjacob/dsn-traveller [INFO] finished tweaking git repo https://github.com/florianjacob/dsn-traveller [INFO] tweaked toml for git repo https://github.com/florianjacob/dsn-traveller written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/florianjacob/dsn-traveller already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 83b47d7aa3ee12ba23038c5c88880ce71640614913f67018f848b858ceacaf6f [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" "83b47d7aa3ee12ba23038c5c88880ce71640614913f67018f848b858ceacaf6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83b47d7aa3ee12ba23038c5c88880ce71640614913f67018f848b858ceacaf6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83b47d7aa3ee12ba23038c5c88880ce71640614913f67018f848b858ceacaf6f", kill_on_drop: false }` [INFO] [stdout] 83b47d7aa3ee12ba23038c5c88880ce71640614913f67018f848b858ceacaf6f [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 4ee93fd5bb18d84d56aecee5703e184e0db9ee3dafdf742f695f8d6f3f92da07 [INFO] running `Command { std: "docker" "start" "-a" "4ee93fd5bb18d84d56aecee5703e184e0db9ee3dafdf742f695f8d6f3f92da07", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking tower-service v0.3.0-alpha.2 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking ordermap v0.3.5 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking tracing-core v0.1.7 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking xml-rs v0.7.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling openssl-sys v0.9.52 [INFO] [stderr] Checking unicode-normalization v0.1.9 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking http v0.1.19 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Compiling openssl v0.10.25 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-timer v0.3.0 [INFO] [stderr] Checking http-body v0.2.0-alpha.3 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling pin-project-internal v0.4.5 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Compiling ruma-events-macros v0.2.0 [INFO] [stderr] Compiling ruma-api-macros v0.8.0 [INFO] [stderr] Checking tracing v0.1.10 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking pin-project v0.4.5 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.2.0-alpha.6 [INFO] [stderr] Checking tower-make v0.3.0-alpha.2a [INFO] [stderr] Checking tokio-tls v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking h2 v0.2.0-alpha.3 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking hyper v0.13.0-alpha.4 [INFO] [stderr] Checking hyper-tls v0.4.0-alpha.4 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking js_int v0.1.2 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Checking ron v0.5.1 [INFO] [stderr] Checking ruma-identifiers v0.14.0 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking ruma-api v0.11.0 [INFO] [stderr] Checking ruma-events v0.15.1 [INFO] [stderr] Checking petgraph-graphml v1.0.2 [INFO] [stderr] Checking matrixgraph v0.1.0 (/opt/rustwide/workdir/matrixgraph) [INFO] [stdout] error[E0038]: the trait `BuildHasher` cannot be made into an object [INFO] [stdout] --> matrixgraph/src/lib.rs:54:28 [INFO] [stdout] | [INFO] [stdout] 54 | fn hash_with_salt(builder: &dyn BuildHasher, x: &impl Hash, salt: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `BuildHasher` cannot be made into an object [INFO] [stdout] | [INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit [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 E0038`. [INFO] [stdout] [INFO] [stderr] error: could not compile `matrixgraph` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "4ee93fd5bb18d84d56aecee5703e184e0db9ee3dafdf742f695f8d6f3f92da07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ee93fd5bb18d84d56aecee5703e184e0db9ee3dafdf742f695f8d6f3f92da07", kill_on_drop: false }` [INFO] [stdout] 4ee93fd5bb18d84d56aecee5703e184e0db9ee3dafdf742f695f8d6f3f92da07