[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-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Frust-buildpack" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hone/rust-buildpack on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-3/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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bad7aecf1f51e7445706a18cafef9682f5f94375b4c7ccfbc7e373936b89dc59 [INFO] running `Command { std: "docker" "start" "-a" "bad7aecf1f51e7445706a18cafef9682f5f94375b4c7ccfbc7e373936b89dc59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bad7aecf1f51e7445706a18cafef9682f5f94375b4c7ccfbc7e373936b89dc59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bad7aecf1f51e7445706a18cafef9682f5f94375b4c7ccfbc7e373936b89dc59", kill_on_drop: false }` [INFO] [stdout] bad7aecf1f51e7445706a18cafef9682f5f94375b4c7ccfbc7e373936b89dc59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dbafef6494069e43efc401b840358f6be0a00e2dcf2a68718704784326232fa0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "dbafef6494069e43efc401b840358f6be0a00e2dcf2a68718704784326232fa0", 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 cargo-buildpack v0.1.0 (/opt/rustwide/workdir/buildpacks/cargo-buildpack) [INFO] [stderr] Compiling rustup-buildpack v0.1.0 (/opt/rustwide/workdir/buildpacks/rustup-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 43.10s [INFO] running `Command { std: "docker" "inspect" "dbafef6494069e43efc401b840358f6be0a00e2dcf2a68718704784326232fa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dbafef6494069e43efc401b840358f6be0a00e2dcf2a68718704784326232fa0", kill_on_drop: false }` [INFO] [stdout] dbafef6494069e43efc401b840358f6be0a00e2dcf2a68718704784326232fa0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0657c2aebe4ca0da0af6d3ad5aa36622e075bdfd99d6eb070cad4ef6762e533c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0657c2aebe4ca0da0af6d3ad5aa36622e075bdfd99d6eb070cad4ef6762e533c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 libcnb-rs v0.1.0 (/opt/rustwide/workdir/libcnb-rs) [INFO] [stderr] Compiling cargo-buildpack v0.1.0 (/opt/rustwide/workdir/buildpacks/cargo-buildpack) [INFO] [stderr] Compiling rustup-buildpack v0.1.0 (/opt/rustwide/workdir/buildpacks/rustup-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: 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 3.02s [INFO] running `Command { std: "docker" "inspect" "0657c2aebe4ca0da0af6d3ad5aa36622e075bdfd99d6eb070cad4ef6762e533c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0657c2aebe4ca0da0af6d3ad5aa36622e075bdfd99d6eb070cad4ef6762e533c", kill_on_drop: false }` [INFO] [stdout] 0657c2aebe4ca0da0af6d3ad5aa36622e075bdfd99d6eb070cad4ef6762e533c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 660d61e133a845a0305869b478df19239e6cb57e48af01ddf83c53a55c49b2d4 [INFO] running `Command { std: "docker" "start" "-a" "660d61e133a845a0305869b478df19239e6cb57e48af01ddf83c53a55c49b2d4", kill_on_drop: false }` [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 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cargo_detect-9727da78648b7870) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/libcnb_rs-8fa8cb7f74715e7f) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustup_build-557e6b83409d616c) [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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustup_detect-9537fa090b2f669a) [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] [stderr] Doc-tests libcnb-rs [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] [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" "660d61e133a845a0305869b478df19239e6cb57e48af01ddf83c53a55c49b2d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "660d61e133a845a0305869b478df19239e6cb57e48af01ddf83c53a55c49b2d4", kill_on_drop: false }` [INFO] [stdout] 660d61e133a845a0305869b478df19239e6cb57e48af01ddf83c53a55c49b2d4