[INFO] cloning repository https://github.com/0xd34b33f/cloudflare-ping [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xd34b33f/cloudflare-ping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xd34b33f%2Fcloudflare-ping", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xd34b33f%2Fcloudflare-ping'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06e359d16fff09839cc6a09b1ebdcacb9788ee91 [INFO] documenting 0xd34b33f/cloudflare-ping against 1.75.0 for beta-1.76-rustdoc-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xd34b33f%2Fcloudflare-ping" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/0xd34b33f/cloudflare-ping on toolchain 1.75.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/0xd34b33f/cloudflare-ping [INFO] finished tweaking git repo https://github.com/0xd34b33f/cloudflare-ping [INFO] tweaked toml for git repo https://github.com/0xd34b33f/cloudflare-ping written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/0xd34b33f/cloudflare-ping already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pnet_sys v0.25.0 [INFO] [stderr] Downloaded pnet_transport v0.25.0 [INFO] [stderr] Downloaded syntex_pos v0.42.0 [INFO] [stderr] Downloaded rand_hc v0.1.0 [INFO] [stderr] Downloaded num-traits v0.2.11 [INFO] [stderr] Downloaded miow v0.2.1 [INFO] [stderr] Downloaded ctrlc v3.1.4 [INFO] [stderr] Downloaded pnet v0.25.0 [INFO] [stderr] Downloaded maybe-uninit v2.0.0 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded winapi-build v0.1.1 [INFO] [stderr] Downloaded phf_codegen v0.7.24 [INFO] [stderr] Downloaded phf_shared v0.7.24 [INFO] [stderr] Downloaded widestring v0.4.0 [INFO] [stderr] Downloaded pnet_base v0.22.0 [INFO] [stderr] Downloaded phf v0.7.24 [INFO] [stderr] Downloaded pnet_macros_support v0.25.0 [INFO] [stderr] Downloaded strsim v0.8.0 [INFO] [stderr] Downloaded num-integer v0.1.42 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded backtrace-sys v0.1.36 [INFO] [stderr] Downloaded libc v0.2.69 [INFO] [stderr] Downloaded tokio v0.2.18 [INFO] [stderr] Downloaded winapi v0.3.8 [INFO] [stderr] Downloaded isolang v1.0.0 [INFO] [stderr] Downloaded winapi v0.2.8 [INFO] [stderr] Downloaded fern v0.5.9 [INFO] [stderr] Downloaded regex-syntax v0.6.17 [INFO] [stderr] Downloaded regex v1.0.6 [INFO] [stderr] Downloaded ipconfig v0.2.1 [INFO] [stderr] Downloaded linked-hash-map v0.5.2 [INFO] [stderr] Downloaded resolv-conf v0.6.3 [INFO] [stderr] Downloaded futures-core v0.3.4 [INFO] [stderr] Downloaded log v0.4.8 [INFO] [stderr] Downloaded term v0.4.6 [INFO] [stderr] Downloaded rand_isaac v0.1.1 [INFO] [stderr] Downloaded pnet_macros v0.25.0 [INFO] [stderr] Downloaded rand_jitter v0.1.4 [INFO] [stderr] Downloaded textwrap v0.11.0 [INFO] [stderr] Downloaded ipnetwork v0.15.1 [INFO] [stderr] Downloaded chrono v0.4.11 [INFO] [stderr] Downloaded log v0.3.9 [INFO] [stderr] Downloaded syntex_syntax v0.42.0 [INFO] [stderr] Downloaded crossbeam-channel v0.4.2 [INFO] [stderr] Downloaded backtrace v0.3.46 [INFO] [stderr] Downloaded unicode-segmentation v1.6.0 [INFO] [stderr] Downloaded nix v0.17.0 [INFO] [stderr] Downloaded heck v0.3.1 [INFO] [stderr] Downloaded serde v1.0.106 [INFO] [stderr] Downloaded syn v1.0.17 [INFO] [stderr] Downloaded mio v0.6.21 [INFO] [stderr] Downloaded trust-dns-proto v0.19.4 [INFO] [stderr] Downloaded unicode-normalization v0.1.12 [INFO] [stderr] Downloaded idna v0.2.0 [INFO] [stderr] Downloaded unicode-bidi v0.3.4 [INFO] [stderr] Downloaded futures-util v0.3.4 [INFO] [stderr] Downloaded unicode-width v0.1.7 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded utf8-ranges v1.0.4 [INFO] [stderr] Downloaded unicode-xid v0.0.3 [INFO] [stderr] Downloaded autocfg v1.0.0 [INFO] [stderr] Downloaded pnet_packet v0.25.0 [INFO] [stderr] Downloaded cc v1.0.50 [INFO] [stderr] Downloaded futures-channel v0.3.4 [INFO] [stderr] Downloaded thiserror v1.0.15 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded rustc-demangle v0.1.16 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded trust-dns-resolver v0.19.4 [INFO] [stderr] Downloaded syntex_errors v0.42.0 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded autocfg v0.1.7 [INFO] [stderr] Downloaded timeago v0.2.1 [INFO] [stderr] Downloaded lru-cache v0.1.2 [INFO] [stderr] Downloaded glob v0.2.11 [INFO] [stderr] Downloaded async-trait v0.1.30 [INFO] [stderr] Downloaded bitflags v1.2.1 [INFO] [stderr] Downloaded pnet_datalink v0.25.0 [INFO] [stderr] Downloaded void v1.0.2 [INFO] [stderr] Downloaded enum-as-inner v0.3.2 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded quote v1.0.3 [INFO] [stderr] Downloaded unicode-xid v0.2.0 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded bytes v0.5.4 [INFO] [stderr] Downloaded url v2.1.1 [INFO] [stderr] Downloaded pin-utils v0.1.0-alpha.4 [INFO] [stderr] Downloaded bitflags v0.5.0 [INFO] [stderr] Downloaded hostname v0.3.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.10 [INFO] [stderr] Downloaded cfg-if v0.1.10 [INFO] [stderr] Downloaded kernel32-sys v0.2.2 [INFO] [stderr] Downloaded futures-io v0.3.4 [INFO] [stderr] Downloaded futures v0.3.4 [INFO] [stderr] Downloaded ansi_term v0.11.0 [INFO] [stderr] Downloaded rand_os v0.1.3 [INFO] [stderr] Downloaded iovec v0.1.4 [INFO] [stderr] Downloaded thiserror-impl v1.0.15 [INFO] [stderr] Downloaded smallvec v1.3.0 [INFO] [stderr] Downloaded rand_chacha v0.1.1 [INFO] [stderr] Downloaded siphasher v0.2.3 [INFO] [stderr] Downloaded colored v1.9.3 [INFO] [stderr] Downloaded match_cfg v0.1.0 [INFO] [stderr] Downloaded winreg v0.6.2 [INFO] [stderr] Downloaded syntex v0.42.2 [INFO] [stderr] Downloaded hermit-abi v0.1.11 [INFO] [stderr] Downloaded net2 v0.2.33 [INFO] [stderr] Downloaded pin-project-lite v0.1.4 [INFO] [stderr] Downloaded rand_xorshift v0.1.1 [INFO] [stderr] Downloaded rand v0.6.5 [INFO] [stderr] Downloaded socket2 v0.3.12 [INFO] [stderr] Downloaded rand_pcg v0.1.2 [INFO] [stderr] Downloaded phf_generator v0.7.24 [INFO] [stderr] Downloaded redox_syscall v0.1.56 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded futures-task v0.3.4 [INFO] [stderr] Downloaded memchr v2.3.3 [INFO] [stderr] Downloaded futures-sink v0.3.4 [INFO] [stderr] Downloaded matches v0.1.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af0176a152614b918af83f87821149b73ad339d2e290de11d2699c9940ca65cc [INFO] running `Command { std: "docker" "start" "-a" "af0176a152614b918af83f87821149b73ad339d2e290de11d2699c9940ca65cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af0176a152614b918af83f87821149b73ad339d2e290de11d2699c9940ca65cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af0176a152614b918af83f87821149b73ad339d2e290de11d2699c9940ca65cc", kill_on_drop: false }` [INFO] [stdout] af0176a152614b918af83f87821149b73ad339d2e290de11d2699c9940ca65cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1756b4a1d66c360ca9cf5b90a3cffa60b189ef9692d4c7e9585a23890be3fbb4 [INFO] running `Command { std: "docker" "start" "-a" "1756b4a1d66c360ca9cf5b90a3cffa60b189ef9692d4c7e9585a23890be3fbb4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Checking pnet_base v0.22.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking smallvec v1.3.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking pnet_macros_support v0.25.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking pnet_sys v0.25.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling pnet v0.25.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking resolv-conf v0.6.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling backtrace-sys v0.1.36 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking tokio v0.2.18 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Compiling isolang v1.0.0 [INFO] [stderr] Checking fern v0.5.9 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking ctrlc v3.1.4 [INFO] [stderr] Compiling thiserror-impl v1.0.15 [INFO] [stderr] Compiling enum-as-inner v0.3.2 [INFO] [stderr] Compiling async-trait v0.1.30 [INFO] [stderr] Checking ipnetwork v0.15.1 [INFO] [stderr] Checking pnet_datalink v0.25.0 [INFO] [stderr] Checking thiserror v1.0.15 [INFO] [stderr] Checking trust-dns-proto v0.19.4 [INFO] [stderr] Checking trust-dns-resolver v0.19.4 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.25.0 [INFO] [stderr] Compiling pnet_packet v0.25.0 [INFO] [stderr] Checking pnet_transport v0.25.0 [INFO] [stderr] Checking timeago v0.2.1 [INFO] [stderr] Documenting internship_application_systems v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.86s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Generated /opt/rustwide/target/doc/internship_application_systems/index.html [INFO] running `Command { std: "docker" "inspect" "1756b4a1d66c360ca9cf5b90a3cffa60b189ef9692d4c7e9585a23890be3fbb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1756b4a1d66c360ca9cf5b90a3cffa60b189ef9692d4c7e9585a23890be3fbb4", kill_on_drop: false }` [INFO] [stdout] 1756b4a1d66c360ca9cf5b90a3cffa60b189ef9692d4c7e9585a23890be3fbb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4ba912f357b295dcfb4702ac1a1b8ed98de5f44a5d48e5e4dadf3aeba7287e1 [INFO] running `Command { std: "docker" "start" "-a" "f4ba912f357b295dcfb4702ac1a1b8ed98de5f44a5d48e5e4dadf3aeba7287e1", kill_on_drop: false }` [INFO] [stderr] Documenting internship_application_systems v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.98s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Generated /opt/rustwide/target/doc/internship_application_systems/index.html [INFO] running `Command { std: "docker" "inspect" "f4ba912f357b295dcfb4702ac1a1b8ed98de5f44a5d48e5e4dadf3aeba7287e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4ba912f357b295dcfb4702ac1a1b8ed98de5f44a5d48e5e4dadf3aeba7287e1", kill_on_drop: false }` [INFO] [stdout] f4ba912f357b295dcfb4702ac1a1b8ed98de5f44a5d48e5e4dadf3aeba7287e1