[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-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Frust-buildpack" "/workspace/builds/worker-84/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hone/rust-buildpack on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-84/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-2022-02-22" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b3e2238b61acb7fe94b447995b2831539700001339814ae2a4c1c08420b3fd5 [INFO] running `Command { std: "docker" "start" "-a" "8b3e2238b61acb7fe94b447995b2831539700001339814ae2a4c1c08420b3fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b3e2238b61acb7fe94b447995b2831539700001339814ae2a4c1c08420b3fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b3e2238b61acb7fe94b447995b2831539700001339814ae2a4c1c08420b3fd5", kill_on_drop: false }` [INFO] [stdout] 8b3e2238b61acb7fe94b447995b2831539700001339814ae2a4c1c08420b3fd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 44037df9817659124a83597ff6afe1c74424f03b16387fb6bbe18b9751d3a958 [INFO] running `Command { std: "docker" "start" "-a" "44037df9817659124a83597ff6afe1c74424f03b16387fb6bbe18b9751d3a958", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling quote v1.0.7 [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 1m 02s [INFO] running `Command { std: "docker" "inspect" "44037df9817659124a83597ff6afe1c74424f03b16387fb6bbe18b9751d3a958", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44037df9817659124a83597ff6afe1c74424f03b16387fb6bbe18b9751d3a958", kill_on_drop: false }` [INFO] [stdout] 44037df9817659124a83597ff6afe1c74424f03b16387fb6bbe18b9751d3a958 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e846595ca9f20b95bd21ef4f42abdc1bd880bf720d0d83d1616bb379c85e2b1 [INFO] running `Command { std: "docker" "start" "-a" "8e846595ca9f20b95bd21ef4f42abdc1bd880bf720d0d83d1616bb379c85e2b1", 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] [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] [stderr] Compiling rustup-buildpack v0.1.0 (/opt/rustwide/workdir/buildpacks/rustup-buildpack) [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] [stderr] Compiling cargo-buildpack v0.1.0 (/opt/rustwide/workdir/buildpacks/cargo-buildpack) [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 7.42s [INFO] running `Command { std: "docker" "inspect" "8e846595ca9f20b95bd21ef4f42abdc1bd880bf720d0d83d1616bb379c85e2b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e846595ca9f20b95bd21ef4f42abdc1bd880bf720d0d83d1616bb379c85e2b1", kill_on_drop: false }` [INFO] [stdout] 8e846595ca9f20b95bd21ef4f42abdc1bd880bf720d0d83d1616bb379c85e2b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d52fcd0eaf324231406c40c7b671f04e0490ae3a008a476808b07ee80037db0e [INFO] running `Command { std: "docker" "start" "-a" "d52fcd0eaf324231406c40c7b671f04e0490ae3a008a476808b07ee80037db0e", 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 1.57s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cargo_detect-68d1c5c6dee9c503) [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] Running unittests (/opt/rustwide/target/debug/deps/libcnb_rs-904e8336abc8c92c) [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] Running unittests (/opt/rustwide/target/debug/deps/rustup_build-9be1fb2eaa811107) [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] Running unittests (/opt/rustwide/target/debug/deps/rustup_detect-138ba3a40cfb9a37) [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] running `Command { std: "docker" "inspect" "d52fcd0eaf324231406c40c7b671f04e0490ae3a008a476808b07ee80037db0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d52fcd0eaf324231406c40c7b671f04e0490ae3a008a476808b07ee80037db0e", kill_on_drop: false }` [INFO] [stdout] d52fcd0eaf324231406c40c7b671f04e0490ae3a008a476808b07ee80037db0e