[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 master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [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 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3624b7d21342a7aaaee909120d3aebec00887eca41d29f2fcb87fdc8b9b56917 [INFO] running `Command { std: "docker" "start" "-a" "3624b7d21342a7aaaee909120d3aebec00887eca41d29f2fcb87fdc8b9b56917", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3624b7d21342a7aaaee909120d3aebec00887eca41d29f2fcb87fdc8b9b56917", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3624b7d21342a7aaaee909120d3aebec00887eca41d29f2fcb87fdc8b9b56917", kill_on_drop: false }` [INFO] [stdout] 3624b7d21342a7aaaee909120d3aebec00887eca41d29f2fcb87fdc8b9b56917 [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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ac6cd41f785ebcae61fdea22bffb0bb74b99701e42c9a0d0e492b217d1949f2 [INFO] running `Command { std: "docker" "start" "-a" "8ac6cd41f785ebcae61fdea22bffb0bb74b99701e42c9a0d0e492b217d1949f2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling quote v1.0.7 [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 serde v1.0.117 [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 25.35s [INFO] running `Command { std: "docker" "inspect" "8ac6cd41f785ebcae61fdea22bffb0bb74b99701e42c9a0d0e492b217d1949f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ac6cd41f785ebcae61fdea22bffb0bb74b99701e42c9a0d0e492b217d1949f2", kill_on_drop: false }` [INFO] [stdout] 8ac6cd41f785ebcae61fdea22bffb0bb74b99701e42c9a0d0e492b217d1949f2 [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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 155f2c0f542bf9a9932efac2d64c99af029ae861b0ad131cb6bc874b3bf9466f [INFO] running `Command { std: "docker" "start" "-a" "155f2c0f542bf9a9932efac2d64c99af029ae861b0ad131cb6bc874b3bf9466f", kill_on_drop: false }` [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 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: 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `Command { std: "docker" "inspect" "155f2c0f542bf9a9932efac2d64c99af029ae861b0ad131cb6bc874b3bf9466f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "155f2c0f542bf9a9932efac2d64c99af029ae861b0ad131cb6bc874b3bf9466f", kill_on_drop: false }` [INFO] [stdout] 155f2c0f542bf9a9932efac2d64c99af029ae861b0ad131cb6bc874b3bf9466f [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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f2f35c59f0106da0efe919db4a674f11b8d6ad07592d5d246ef099d13bfcb86a [INFO] running `Command { std: "docker" "start" "-a" "f2f35c59f0106da0efe919db4a674f11b8d6ad07592d5d246ef099d13bfcb86a", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: field is never read: `buildpack_plan_path` [INFO] [stdout] running 0 tests [INFO] [stderr] --> libcnb-rs/src/build.rs:9:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 9 | buildpack_plan_path: PathBuf, [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] warning: field is never read: `layers_path` [INFO] [stdout] [INFO] [stderr] --> libcnb-rs/src/build.rs:10:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] 10 | layers_path: PathBuf, [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [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: 2 warnings emitted [INFO] [stderr] [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cargo_detect-3e21a4a8f79b8b79) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/libcnb_rs-6c5ea02e270864cd) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustup_build-b2b6703d4eece170) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rustup_detect-b20926093e74dd8f) [INFO] [stdout] [INFO] [stderr] Doc-tests libcnb-rs [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" "f2f35c59f0106da0efe919db4a674f11b8d6ad07592d5d246ef099d13bfcb86a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2f35c59f0106da0efe919db4a674f11b8d6ad07592d5d246ef099d13bfcb86a", kill_on_drop: false }` [INFO] [stdout] f2f35c59f0106da0efe919db4a674f11b8d6ad07592d5d246ef099d13bfcb86a