[INFO] cloning repository https://github.com/agracey/metabuildpack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agracey/metabuildpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagracey%2Fmetabuildpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagracey%2Fmetabuildpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0742b1763a76360303203701adc38c6a2e0b8b52
[INFO] checking agracey/metabuildpack against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagracey%2Fmetabuildpack" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agracey/metabuildpack on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agracey/metabuildpack
[INFO] finished tweaking git repo https://github.com/agracey/metabuildpack
[INFO] tweaked toml for git repo https://github.com/agracey/metabuildpack written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/agracey/metabuildpack 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v4.2.2
[INFO] [stderr]   Downloaded pkg-config v0.3.21
[INFO] [stderr]   Downloaded prost-types v0.9.0
[INFO] [stderr]   Downloaded tonic v0.6.2
[INFO] [stderr]   Downloaded tower v0.4.11
[INFO] [stderr]   Downloaded opentelemetry-otlp v0.10.0
[INFO] [stderr]   Downloaded tonic-build v0.6.2
[INFO] [stderr]   Downloaded prost-build v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] add1e7d7a765f674efe723176333472bb0d185d6c0501ab005b8ab59ee48cbae
[INFO] running `Command { std: "docker" "start" "-a" "add1e7d7a765f674efe723176333472bb0d185d6c0501ab005b8ab59ee48cbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add1e7d7a765f674efe723176333472bb0d185d6c0501ab005b8ab59ee48cbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add1e7d7a765f674efe723176333472bb0d185d6c0501ab005b8ab59ee48cbae", kill_on_drop: false }`
[INFO] [stdout] add1e7d7a765f674efe723176333472bb0d185d6c0501ab005b8ab59ee48cbae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90d19fa887346a02c29301cdaa20062c2cc90d8c068b9c97e084df69b04afc28
[INFO] running `Command { std: "docker" "start" "-a" "90d19fa887346a02c29301cdaa20062c2cc90d8c068b9c97e084df69b04afc28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling anyhow v1.0.57
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.21
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pest v2.1.3
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[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling curl-sys v0.4.55+curl-7.83.1
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[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling curl v0.4.43
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling tonic-build v0.6.2
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking h2 v0.3.9
[INFO] [stderr]     Checking tower v0.4.11
[INFO] [stderr]    Compiling opentelemetry-otlp v0.10.0
[INFO] [stderr]     Checking opentelemetry v0.17.0
[INFO] [stderr]     Checking handlebars v4.3.1
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.6.2
[INFO] [stderr]     Checking metabuildpack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/buildspec.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 |         println!("specfile: {}",specfile.clone());
[INFO] [stdout]    |                                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/buildspec.rs:80:41
[INFO] [stdout]    |
[INFO] [stdout] 80 |         println!("specfile: {}",specfile.clone());
[INFO] [stdout]    |                                         ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "90d19fa887346a02c29301cdaa20062c2cc90d8c068b9c97e084df69b04afc28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d19fa887346a02c29301cdaa20062c2cc90d8c068b9c97e084df69b04afc28", kill_on_drop: false }`
[INFO] [stdout] 90d19fa887346a02c29301cdaa20062c2cc90d8c068b9c97e084df69b04afc28