[INFO] cloning repository https://github.com/zcfabra/blue-grouse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zcfabra/blue-grouse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcfabra%2Fblue-grouse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcfabra%2Fblue-grouse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f79f8575504b5175c4b8674df2d5ec850fc7dd0c
[INFO] checking zcfabra/blue-grouse against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcfabra%2Fblue-grouse" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zcfabra/blue-grouse 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 git repo https://github.com/zcfabra/blue-grouse
[INFO] finished tweaking git repo https://github.com/zcfabra/blue-grouse
[INFO] tweaked toml for git repo https://github.com/zcfabra/blue-grouse written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zcfabra/blue-grouse 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic-write-file v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 62dd8c512841fe4545196b8c4598e603b71711fbb20c87294b0f05c311b7f734
[INFO] running `Command { std: "docker" "start" "-a" "62dd8c512841fe4545196b8c4598e603b71711fbb20c87294b0f05c311b7f734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62dd8c512841fe4545196b8c4598e603b71711fbb20c87294b0f05c311b7f734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62dd8c512841fe4545196b8c4598e603b71711fbb20c87294b0f05c311b7f734", kill_on_drop: false }`
[INFO] [stdout] 62dd8c512841fe4545196b8c4598e603b71711fbb20c87294b0f05c311b7f734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 71b588635727a87a4f58843c24faf45760da88ad54305a4187f9293a14da13d1
[INFO] running `Command { std: "docker" "start" "-a" "71b588635727a87a4f58843c24faf45760da88ad54305a4187f9293a14da13d1", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/script_builder.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/script_builder.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ObjectType` is never used
[INFO] [stdout]   --> src/dependent_builder.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum ObjectType {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `list_dependent_objects` and `list_foreign_keys` are never used
[INFO] [stdout]    --> src/dependent_builder.rs:106:18
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl DependentBuilder {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] 106 |     pub async fn list_dependent_objects(&self) -> () {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub async fn list_foreign_keys(&self) -> () {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]   --> src/script_builder.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ScriptBuilder<'_> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn display(&self){ 
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ObjectType` is never used
[INFO] [stdout]   --> src/dependent_builder.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum ObjectType {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `list_dependent_objects` and `list_foreign_keys` are never used
[INFO] [stdout]    --> src/dependent_builder.rs:106:18
[INFO] [stdout]     |
[INFO] [stdout] 105 | impl DependentBuilder {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] 106 |     pub async fn list_dependent_objects(&self) -> () {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub async fn list_foreign_keys(&self) -> () {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display` is never used
[INFO] [stdout]   --> src/script_builder.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ScriptBuilder<'_> {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn display(&self){ 
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.97s
[INFO] running `Command { std: "docker" "inspect" "71b588635727a87a4f58843c24faf45760da88ad54305a4187f9293a14da13d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b588635727a87a4f58843c24faf45760da88ad54305a4187f9293a14da13d1", kill_on_drop: false }`
[INFO] [stdout] 71b588635727a87a4f58843c24faf45760da88ad54305a4187f9293a14da13d1