[INFO] fetching crate z3d 0.1.0...
[INFO] checking z3d-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate z3d 0.1.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate z3d 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate z3d 0.1.0
[INFO] finished tweaking crates.io crate z3d 0.1.0
[INFO] tweaked toml for crates.io crate z3d 0.1.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded z3-sys v0.5.0
[INFO] [stderr]   Downloaded z3 v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ff8054701811f4470ec4c1965f9c611fd3b7260678cb3f51b044b8659a66963
[INFO] running `Command { std: "docker" "start" "-a" "1ff8054701811f4470ec4c1965f9c611fd3b7260678cb3f51b044b8659a66963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff8054701811f4470ec4c1965f9c611fd3b7260678cb3f51b044b8659a66963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff8054701811f4470ec4c1965f9c611fd3b7260678cb3f51b044b8659a66963", kill_on_drop: false }`
[INFO] [stdout] 1ff8054701811f4470ec4c1965f9c611fd3b7260678cb3f51b044b8659a66963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6091df77dc4ea42c1e4fbf79c69fe58ccd55613f75dde77f35c8527d436b797
[INFO] running `Command { std: "docker" "start" "-a" "a6091df77dc4ea42c1e4fbf79c69fe58ccd55613f75dde77f35c8527d436b797", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking z3-sys v0.5.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking proc-macro2 v1.0.32
[INFO] [stderr]    Compiling z3 v0.4.0
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking z3d v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `paren`
[INFO] [stdout]    --> src/exp.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 |     paren: syn::token::Paren,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace`
[INFO] [stdout]    --> src/exp.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 302 |     brace: syn::token::Brace,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren`
[INFO] [stdout]    --> src/exp.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 |     paren: syn::token::Paren,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace`
[INFO] [stdout]    --> src/exp.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 302 |     brace: syn::token::Brace,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/exp.rs:860:14
[INFO] [stdout]     |
[INFO] [stdout] 860 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 860 |             .iter()
[INFO] [stdout]     |              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 859 |         let rest: Vec<Expr> = IntoIterator::into_iter(["arg3", "arg4", "arg5"])
[INFO] [stdout]     |                               ++++++++++++++++++++++++                        ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/exp.rs:899:14
[INFO] [stdout]     |
[INFO] [stdout] 899 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 899 |             .iter()
[INFO] [stdout]     |              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 898 |         let rest: Vec<Expr> = IntoIterator::into_iter(["arg3", "arg4", "arg5"])
[INFO] [stdout]     |                               ++++++++++++++++++++++++                        ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `paren`
[INFO] [stdout]    --> src/exp.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 |     paren: syn::token::Paren,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `brace`
[INFO] [stdout]    --> src/exp.rs:302:5
[INFO] [stdout]     |
[INFO] [stdout] 302 |     brace: syn::token::Brace,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.28s
[INFO] running `Command { std: "docker" "inspect" "a6091df77dc4ea42c1e4fbf79c69fe58ccd55613f75dde77f35c8527d436b797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6091df77dc4ea42c1e4fbf79c69fe58ccd55613f75dde77f35c8527d436b797", kill_on_drop: false }`
[INFO] [stdout] a6091df77dc4ea42c1e4fbf79c69fe58ccd55613f75dde77f35c8527d436b797