[INFO] fetching crate polynomint 0.5.3...
[INFO] testing polynomint-0.5.3 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate polynomint 0.5.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate polynomint 0.5.3
[INFO] finished tweaking crates.io crate polynomint 0.5.3
[INFO] tweaked toml for crates.io crate polynomint 0.5.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomint 0.5.3 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c13bc095172bc633bba1925cac28718dde22a719a1669432dfc8975562df7a53
[INFO] running `Command { std: "docker" "start" "-a" "c13bc095172bc633bba1925cac28718dde22a719a1669432dfc8975562df7a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c13bc095172bc633bba1925cac28718dde22a719a1669432dfc8975562df7a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13bc095172bc633bba1925cac28718dde22a719a1669432dfc8975562df7a53", kill_on_drop: false }`
[INFO] [stdout] c13bc095172bc633bba1925cac28718dde22a719a1669432dfc8975562df7a53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df6e4007dd28e41765a69b765788a663559e0f739efecf028ca771227ad538ec
[INFO] running `Command { std: "docker" "start" "-a" "df6e4007dd28e41765a69b765788a663559e0f739efecf028ca771227ad538ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomint v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "df6e4007dd28e41765a69b765788a663559e0f739efecf028ca771227ad538ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6e4007dd28e41765a69b765788a663559e0f739efecf028ca771227ad538ec", kill_on_drop: false }`
[INFO] [stdout] df6e4007dd28e41765a69b765788a663559e0f739efecf028ca771227ad538ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef15a79ee717e2e7ac1d2dbc0de48ed2281db0fd1e3c4769b32d125217fc7628
[INFO] running `Command { std: "docker" "start" "-a" "ef15a79ee717e2e7ac1d2dbc0de48ed2281db0fd1e3c4769b32d125217fc7628", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomint v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `poly`
[INFO] [stdout]    --> src/lib.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |     use crate::{poly, Polynomial};
[INFO] [stdout]     |                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 206 |         let mut quadratic = poly![1, 2, 1]; // x^2 + 2x + 1
[INFO] [stdout]     |                             -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 207 |         let linear = poly![-6, 1]; // x - 6
[INFO] [stdout]     |                      ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 208 |         assert_eq!(&quadratic + &linear, poly![-5, 3, 1]);
[INFO] [stdout]     |                                          --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 209 |         assert_eq!(&quadratic - &linear, poly![7, 1, 1]);
[INFO] [stdout]     |                                          -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 210 |         assert_eq!(&quadratic * &linear, poly![-6, -11, -4, 1]);
[INFO] [stdout]     |                                          --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 212 |         assert_eq!(quadratic, poly![7, 1, 1]);
[INFO] [stdout]     |                               -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 214 |         assert_eq!(quadratic, poly![1, 2, 1]);
[INFO] [stdout]     |                               -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 216 |         assert_eq!(quadratic, poly![-6, -11, -4, 1]);
[INFO] [stdout]     |                               --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 217 |         assert_eq!(quadratic.derivative(), poly![-11, -8, 3]);
[INFO] [stdout]     |                                            ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 218 |         let mut another = poly![1, 3, 3, 1]; // x^3 + 3x^2 + 3x + 1
[INFO] [stdout]     |                           ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 219 |         let pair = poly![-5, 4, 2]; // 2x^2 + 4x - 5
[INFO] [stdout]     |                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 220 |         assert_eq!(&another + &pair, poly![-4, 7, 5, 1]);
[INFO] [stdout]     |                                      ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 221 |         assert_eq!(&another - &pair, poly![6, -1, 1, 1]);
[INFO] [stdout]     |                                      ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 222 |         assert_eq!(&another * &pair, poly![-5, -11, -1, 13, 10, 2]);
[INFO] [stdout]     |                                      ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 224 |         assert_eq!(another, poly![6, -1, 1, 1]);
[INFO] [stdout]     |                             ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 226 |         assert_eq!(another, poly![1, 3, 3, 1]);
[INFO] [stdout]     |                             ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 228 |         assert_eq!(another, poly![-5, -11, -1, 13, 10, 2]);
[INFO] [stdout]     |                             ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lib.rs:197:39
[INFO] [stdout]     |
[INFO] [stdout] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stdout]     |                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 229 |         assert_eq!(another.derivative(), poly![-11, -2, 39, 40, 10]);
[INFO] [stdout]     |                                          -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `polynomint` (lib test) due to 36 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ef15a79ee717e2e7ac1d2dbc0de48ed2281db0fd1e3c4769b32d125217fc7628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef15a79ee717e2e7ac1d2dbc0de48ed2281db0fd1e3c4769b32d125217fc7628", kill_on_drop: false }`
[INFO] [stdout] ef15a79ee717e2e7ac1d2dbc0de48ed2281db0fd1e3c4769b32d125217fc7628
