[INFO] cloning repository https://github.com/nihaals/rust-docker-tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nihaals/rust-docker-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnihaals%2Frust-docker-tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnihaals%2Frust-docker-tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bf3ae947eb1bcc71cec38dff2aa6b6d87981564
[INFO] checking nihaals/rust-docker-tests against master#c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnihaals%2Frust-docker-tests" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nihaals/rust-docker-tests on toolchain c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nihaals/rust-docker-tests
[INFO] finished tweaking git repo https://github.com/nihaals/rust-docker-tests
[INFO] tweaked toml for git repo https://github.com/nihaals/rust-docker-tests written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nihaals/rust-docker-tests 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" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a8b28a426438bbadbff235479545227c981972e8ec29ceb9dbd5b25dabe6bea
[INFO] running `Command { std: "docker" "start" "-a" "2a8b28a426438bbadbff235479545227c981972e8ec29ceb9dbd5b25dabe6bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a8b28a426438bbadbff235479545227c981972e8ec29ceb9dbd5b25dabe6bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8b28a426438bbadbff235479545227c981972e8ec29ceb9dbd5b25dabe6bea", kill_on_drop: false }`
[INFO] [stdout] 2a8b28a426438bbadbff235479545227c981972e8ec29ceb9dbd5b25dabe6bea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc104df6ec40b601e3fd2f643cff8455cefacfb30b650dd94da4ca7f79702f77
[INFO] running `Command { std: "docker" "start" "-a" "bc104df6ec40b601e3fd2f643cff8455cefacfb30b650dd94da4ca7f79702f77", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking runner v0.0.0 (/opt/rustwide/workdir/runner)
[INFO] [stdout] warning: enum `BuildImage` is never used
[INFO] [stdout]  --> runner/src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum BuildImage {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `docker_image` is never used
[INFO] [stdout]  --> runner/src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl BuildImage {
[INFO] [stdout]   | --------------- method in this implementation
[INFO] [stdout] 9 |     fn docker_image(&self) -> &str {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RunImage` is never used
[INFO] [stdout]   --> runner/src/main.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum RunImage {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `docker_image` is never used
[INFO] [stdout]   --> runner/src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl RunImage {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 27 |     fn docker_image(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BuildError` is never used
[INFO] [stdout]   --> runner/src/main.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum BuildError {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RunError` is never used
[INFO] [stdout]   --> runner/src/main.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 | enum RunError {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestCase` is never constructed
[INFO] [stdout]   --> runner/src/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct TestCase {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `image_tag`, `build_image`, and `run_image` are never used
[INFO] [stdout]    --> runner/src/main.rs:58:8
[INFO] [stdout]     |
[INFO] [stdout] 57  | impl TestCase {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 58  |     fn image_tag(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77  |     fn build_image(&self) -> Result<(), BuildError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn run_image(&self) -> Result<(), RunError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BuildImage` is never used
[INFO] [stdout]  --> runner/src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum BuildImage {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `docker_image` is never used
[INFO] [stdout]  --> runner/src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl BuildImage {
[INFO] [stdout]   | --------------- method in this implementation
[INFO] [stdout] 9 |     fn docker_image(&self) -> &str {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RunImage` is never used
[INFO] [stdout]   --> runner/src/main.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum RunImage {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `docker_image` is never used
[INFO] [stdout]   --> runner/src/main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl RunImage {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 27 |     fn docker_image(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BuildError` is never used
[INFO] [stdout]   --> runner/src/main.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum BuildError {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RunError` is never used
[INFO] [stdout]   --> runner/src/main.rs:43:6
[INFO] [stdout]    |
[INFO] [stdout] 43 | enum RunError {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestCase` is never constructed
[INFO] [stdout]   --> runner/src/main.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct TestCase {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `image_tag`, `build_image`, and `run_image` are never used
[INFO] [stdout]    --> runner/src/main.rs:58:8
[INFO] [stdout]     |
[INFO] [stdout] 57  | impl TestCase {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 58  |     fn image_tag(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77  |     fn build_image(&self) -> Result<(), BuildError> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn run_image(&self) -> Result<(), RunError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "bc104df6ec40b601e3fd2f643cff8455cefacfb30b650dd94da4ca7f79702f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc104df6ec40b601e3fd2f643cff8455cefacfb30b650dd94da4ca7f79702f77", kill_on_drop: false }`
[INFO] [stdout] bc104df6ec40b601e3fd2f643cff8455cefacfb30b650dd94da4ca7f79702f77