[INFO] fetching crate enzyme 0.4.0...
[INFO] building enzyme-0.4.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate enzyme 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate enzyme 0.4.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enzyme 0.4.0
[INFO] finished tweaking crates.io crate enzyme 0.4.0
[INFO] tweaked toml for crates.io crate enzyme 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate enzyme 0.4.0 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curl v0.4.41
[INFO] [stderr]   Downloaded curl-sys v0.4.51+curl-7.80.0
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c132cba4e23c3c37582692d37f84ae90e825f67ff569dbd1a736de19223713a5
[INFO] running `Command { std: "docker" "start" "-a" "c132cba4e23c3c37582692d37f84ae90e825f67ff569dbd1a736de19223713a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c132cba4e23c3c37582692d37f84ae90e825f67ff569dbd1a736de19223713a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c132cba4e23c3c37582692d37f84ae90e825f67ff569dbd1a736de19223713a5", kill_on_drop: false }`
[INFO] [stdout] c132cba4e23c3c37582692d37f84ae90e825f67ff569dbd1a736de19223713a5
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cca76800401b64bfc9c3de41bb3abdd9b166c0b37c20cc4fb749e35f9ade564e
[INFO] running `Command { std: "docker" "start" "-a" "cca76800401b64bfc9c3de41bb3abdd9b166c0b37c20cc4fb749e35f9ade564e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling curl v0.4.41
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling enzyme v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stdout] warning: unused import: `utils::Repo`
[INFO] [stdout]  --> src/code/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use utils::Repo;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compile::build`
[INFO] [stdout]  --> src/code/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use compile::build;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `downloader::download`
[INFO] [stdout]  --> src/code/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use downloader::download;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_api::generate_bindings`
[INFO] [stdout]   --> src/code/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use generate_api::generate_bindings;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bindgen v0.58.1, nom v5.1.2
[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" "cca76800401b64bfc9c3de41bb3abdd9b166c0b37c20cc4fb749e35f9ade564e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca76800401b64bfc9c3de41bb3abdd9b166c0b37c20cc4fb749e35f9ade564e", kill_on_drop: false }`
[INFO] [stdout] cca76800401b64bfc9c3de41bb3abdd9b166c0b37c20cc4fb749e35f9ade564e
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03181f13868a4c5df95019266cef622fbcaad1241bd787a5335660901f872cc8
[INFO] running `Command { std: "docker" "start" "-a" "03181f13868a4c5df95019266cef622fbcaad1241bd787a5335660901f872cc8", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `utils::Repo`
[INFO] [stdout]  --> src/code/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use utils::Repo;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compile::build`
[INFO] [stdout]  --> src/code/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use compile::build;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `downloader::download`
[INFO] [stdout]  --> src/code/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use downloader::download;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling enzyme v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `generate_api::generate_bindings`
[INFO] [stdout]   --> src/code/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use generate_api::generate_bindings;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::Repo`
[INFO] [stdout]  --> src/code/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use utils::Repo;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compile::build`
[INFO] [stdout]  --> src/code/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use compile::build;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `downloader::download`
[INFO] [stdout]  --> src/code/mod.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use downloader::download;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_api::generate_bindings`
[INFO] [stdout]   --> src/code/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use generate_api::generate_bindings;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bindgen v0.58.1, nom v5.1.2
[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" "03181f13868a4c5df95019266cef622fbcaad1241bd787a5335660901f872cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03181f13868a4c5df95019266cef622fbcaad1241bd787a5335660901f872cc8", kill_on_drop: false }`
[INFO] [stdout] 03181f13868a4c5df95019266cef622fbcaad1241bd787a5335660901f872cc8