[INFO] fetching crate eduapi-port 0.1.0...
[INFO] checking eduapi-port-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate eduapi-port 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate eduapi-port 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eduapi-port 0.1.0
[INFO] finished tweaking crates.io crate eduapi-port 0.1.0
[INFO] tweaked toml for crates.io crate eduapi-port 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages
[INFO] [stderr]       Adding async-curl v0.1.8 (latest: v0.4.2)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding nix v0.27.1 (latest: v0.28.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v2.0.14
[INFO] [stderr]   Downloaded predicates v3.1.0
[INFO] [stderr]   Downloaded async-curl v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adfbc3251f0f97b32458c8df98c9ef4d5672de2fd64009b7454aa89e6f6c50a6
[INFO] running `Command { std: "docker" "start" "-a" "adfbc3251f0f97b32458c8df98c9ef4d5672de2fd64009b7454aa89e6f6c50a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adfbc3251f0f97b32458c8df98c9ef4d5672de2fd64009b7454aa89e6f6c50a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfbc3251f0f97b32458c8df98c9ef4d5672de2fd64009b7454aa89e6f6c50a6", kill_on_drop: false }`
[INFO] [stdout] adfbc3251f0f97b32458c8df98c9ef4d5672de2fd64009b7454aa89e6f6c50a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 874f71733588f8d1e5f59a6d44ca8633bb080b0cfe620ffeb87692d5777499f7
[INFO] running `Command { std: "docker" "start" "-a" "874f71733588f8d1e5f59a6d44ca8633bb080b0cfe620ffeb87692d5777499f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking async-curl v0.1.8
[INFO] [stderr]     Checking eduapi-port v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Endpoints` is never used
[INFO] [stdout]  --> src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Endpoints {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Endpoints` is never used
[INFO] [stdout]  --> src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Endpoints {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENDPOINTE` is never used
[INFO] [stdout]   --> src/lib.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const ENDPOINTE: () = {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Gender` is never used
[INFO] [stdout]   --> src/lib.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum Gender {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENDPOINTE` is never used
[INFO] [stdout]   --> src/lib.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const ENDPOINTE: () = {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Role` is never used
[INFO] [stdout]   --> src/lib.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum Role {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Gender` is never used
[INFO] [stdout]   --> src/lib.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum Gender {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Role` is never used
[INFO] [stdout]   --> src/lib.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum Role {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENTITY_TYPE` is never used
[INFO] [stdout]   --> src/lib.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 | const ENTITY_TYPE: () = {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENTITY_TYPE` is never used
[INFO] [stdout]   --> src/lib.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 | const ENTITY_TYPE: () = {
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.16s
[INFO] running `Command { std: "docker" "inspect" "874f71733588f8d1e5f59a6d44ca8633bb080b0cfe620ffeb87692d5777499f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874f71733588f8d1e5f59a6d44ca8633bb080b0cfe620ffeb87692d5777499f7", kill_on_drop: false }`
[INFO] [stdout] 874f71733588f8d1e5f59a6d44ca8633bb080b0cfe620ffeb87692d5777499f7