[INFO] cloning repository https://github.com/hone/rust-buildpack [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hone/rust-buildpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Frust-buildpack", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Frust-buildpack'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e64610c680270db0651773e53dcfad73c851ed4 [INFO] testing hone/rust-buildpack against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Frust-buildpack" "/workspace/builds/worker-24/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hone/rust-buildpack on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hone/rust-buildpack [INFO] finished tweaking git repo https://github.com/hone/rust-buildpack [INFO] tweaked toml for git repo https://github.com/hone/rust-buildpack written to /workspace/builds/worker-24/source/Cargo.toml [INFO] crate git repo https://github.com/hone/rust-buildpack already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d27502ba527f1a2c1a40b2c5d167b74ecc522f6507b497ce702c04a41056df1a [INFO] running `Command { std: "docker" "start" "-a" "d27502ba527f1a2c1a40b2c5d167b74ecc522f6507b497ce702c04a41056df1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d27502ba527f1a2c1a40b2c5d167b74ecc522f6507b497ce702c04a41056df1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d27502ba527f1a2c1a40b2c5d167b74ecc522f6507b497ce702c04a41056df1a", kill_on_drop: false }` [INFO] [stdout] d27502ba527f1a2c1a40b2c5d167b74ecc522f6507b497ce702c04a41056df1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ef30751b9351dd9ebaeb76c4073ad8d48e38f01f62fed957a596c07ee7eddcc [INFO] running `Command { std: "docker" "start" "-a" "8ef30751b9351dd9ebaeb76c4073ad8d48e38f01f62fed957a596c07ee7eddcc", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling thiserror v1.0.22 [INFO] [stderr] Compiling toml v0.5.7 [INFO] [stderr] Compiling libcnb-rs v0.1.0 (/opt/rustwide/workdir/libcnb-rs) [INFO] [stdout] warning: field is never read: `buildpack_plan_path` [INFO] [stdout] --> libcnb-rs/src/build.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | buildpack_plan_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `layers_path` [INFO] [stdout] --> libcnb-rs/src/build.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | layers_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rustup-buildpack v0.1.0 (/opt/rustwide/workdir/buildpacks/rustup-buildpack) [INFO] [stderr] Compiling cargo-buildpack v0.1.0 (/opt/rustwide/workdir/buildpacks/cargo-buildpack) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> buildpacks/rustup-buildpack/src/bin/builder.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Build::from_args(std::env::args()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.57s [INFO] running `Command { std: "docker" "inspect" "8ef30751b9351dd9ebaeb76c4073ad8d48e38f01f62fed957a596c07ee7eddcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ef30751b9351dd9ebaeb76c4073ad8d48e38f01f62fed957a596c07ee7eddcc", kill_on_drop: false }` [INFO] [stdout] 8ef30751b9351dd9ebaeb76c4073ad8d48e38f01f62fed957a596c07ee7eddcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b3667349668cb62d236d28b2f2e1e39bd4dc0543595d0e884242df04b1baf5b3 [INFO] running `Command { std: "docker" "start" "-a" "b3667349668cb62d236d28b2f2e1e39bd4dc0543595d0e884242df04b1baf5b3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libcnb-rs v0.1.0 (/opt/rustwide/workdir/libcnb-rs) [INFO] [stderr] Compiling rustup-buildpack v0.1.0 (/opt/rustwide/workdir/buildpacks/rustup-buildpack) [INFO] [stderr] Compiling cargo-buildpack v0.1.0 (/opt/rustwide/workdir/buildpacks/cargo-buildpack) [INFO] [stdout] warning: field is never read: `buildpack_plan_path` [INFO] [stdout] --> libcnb-rs/src/build.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | buildpack_plan_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `layers_path` [INFO] [stdout] --> libcnb-rs/src/build.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | layers_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> buildpacks/rustup-buildpack/src/bin/builder.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | Build::from_args(std::env::args()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `buildpack_plan_path` [INFO] [stdout] --> libcnb-rs/src/build.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | buildpack_plan_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `layers_path` [INFO] [stdout] --> libcnb-rs/src/build.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | layers_path: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.38s [INFO] [stderr] Executable unittests src/bin/detect.rs (/opt/rustwide/target/debug/deps/cargo_detect-68d1c5c6dee9c503) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/libcnb_rs-904e8336abc8c92c) [INFO] [stderr] Executable unittests src/bin/builder.rs (/opt/rustwide/target/debug/deps/rustup_build-9be1fb2eaa811107) [INFO] [stderr] Executable unittests src/bin/detect.rs (/opt/rustwide/target/debug/deps/rustup_detect-138ba3a40cfb9a37) [INFO] running `Command { std: "docker" "inspect" "b3667349668cb62d236d28b2f2e1e39bd4dc0543595d0e884242df04b1baf5b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3667349668cb62d236d28b2f2e1e39bd4dc0543595d0e884242df04b1baf5b3", kill_on_drop: false }` [INFO] [stdout] b3667349668cb62d236d28b2f2e1e39bd4dc0543595d0e884242df04b1baf5b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6b2fa9969f8cf8cdc2de7eb09b7df2311c498826c5676b1c838ff3a6d951d63d [INFO] running `Command { std: "docker" "start" "-a" "6b2fa9969f8cf8cdc2de7eb09b7df2311c498826c5676b1c838ff3a6d951d63d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `buildpack_plan_path` [INFO] [stderr] --> libcnb-rs/src/build.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | buildpack_plan_path: PathBuf, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `layers_path` [INFO] [stderr] --> libcnb-rs/src/build.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | layers_path: PathBuf, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `libcnb-rs` (lib) generated 2 warnings [INFO] [stderr] warning: `libcnb-rs` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> buildpacks/rustup-buildpack/src/bin/builder.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | Build::from_args(std::env::args()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `rustup-buildpack` (bin "rustup-build" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/bin/detect.rs (/opt/rustwide/target/debug/deps/cargo_detect-68d1c5c6dee9c503) [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libcnb_rs-904e8336abc8c92c) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/bin/builder.rs (/opt/rustwide/target/debug/deps/rustup_build-9be1fb2eaa811107) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/bin/detect.rs (/opt/rustwide/target/debug/deps/rustup_detect-138ba3a40cfb9a37) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Doc-tests libcnb-rs [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6b2fa9969f8cf8cdc2de7eb09b7df2311c498826c5676b1c838ff3a6d951d63d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b2fa9969f8cf8cdc2de7eb09b7df2311c498826c5676b1c838ff3a6d951d63d", kill_on_drop: false }` [INFO] [stdout] 6b2fa9969f8cf8cdc2de7eb09b7df2311c498826c5676b1c838ff3a6d951d63d