[INFO] fetching crate polynomint 0.5.3...
[INFO] testing polynomint-0.5.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate polynomint 0.5.3 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomint 0.5.3 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8feb71d3ac9b2bd3ea46f8e85d7b26142bebea86c0f02580e5d253770c936b08
[INFO] running `Command { std: "docker" "start" "-a" "8feb71d3ac9b2bd3ea46f8e85d7b26142bebea86c0f02580e5d253770c936b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8feb71d3ac9b2bd3ea46f8e85d7b26142bebea86c0f02580e5d253770c936b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8feb71d3ac9b2bd3ea46f8e85d7b26142bebea86c0f02580e5d253770c936b08", kill_on_drop: false }`
[INFO] [stdout] 8feb71d3ac9b2bd3ea46f8e85d7b26142bebea86c0f02580e5d253770c936b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76c836a0c2687c98fc87ebb4028a81c8529fe0ec2ca8030002297d223b989101
[INFO] running `Command { std: "docker" "start" "-a" "76c836a0c2687c98fc87ebb4028a81c8529fe0ec2ca8030002297d223b989101", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomint v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "76c836a0c2687c98fc87ebb4028a81c8529fe0ec2ca8030002297d223b989101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c836a0c2687c98fc87ebb4028a81c8529fe0ec2ca8030002297d223b989101", kill_on_drop: false }`
[INFO] [stdout] 76c836a0c2687c98fc87ebb4028a81c8529fe0ec2ca8030002297d223b989101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf3cd7fef2abd53c093242d956612a04da34ecff5aca6581489d535afbd12213
[INFO] running `Command { std: "docker" "start" "-a" "bf3cd7fef2abd53c093242d956612a04da34ecff5aca6581489d535afbd12213", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomint v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 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: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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 warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: polynomint v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "bf3cd7fef2abd53c093242d956612a04da34ecff5aca6581489d535afbd12213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf3cd7fef2abd53c093242d956612a04da34ecff5aca6581489d535afbd12213", kill_on_drop: false }`
[INFO] [stdout] bf3cd7fef2abd53c093242d956612a04da34ecff5aca6581489d535afbd12213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e933ae4176da6a4d11671a74980670c77e3eb08dd57285722ef981ccb1681fad
[INFO] running `Command { std: "docker" "start" "-a" "e933ae4176da6a4d11671a74980670c77e3eb08dd57285722ef981ccb1681fad", kill_on_drop: false }`
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 206 |         let mut quadratic = poly![1, 2, 1]; // x^2 + 2x + 1
[INFO] [stderr]     |                             -------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 207 |         let linear = poly![-6, 1]; // x - 6
[INFO] [stderr]     |                      ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 208 |         assert_eq!(&quadratic + &linear, poly![-5, 3, 1]);
[INFO] [stderr]     |                                          --------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 209 |         assert_eq!(&quadratic - &linear, poly![7, 1, 1]);
[INFO] [stderr]     |                                          -------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 210 |         assert_eq!(&quadratic * &linear, poly![-6, -11, -4, 1]);
[INFO] [stderr]     |                                          --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 212 |         assert_eq!(quadratic, poly![7, 1, 1]);
[INFO] [stderr]     |                               -------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 214 |         assert_eq!(quadratic, poly![1, 2, 1]);
[INFO] [stderr]     |                               -------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 216 |         assert_eq!(quadratic, poly![-6, -11, -4, 1]);
[INFO] [stderr]     |                               --------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 217 |         assert_eq!(quadratic.derivative(), poly![-11, -8, 3]);
[INFO] [stderr]     |                                            ----------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 218 |         let mut another = poly![1, 3, 3, 1]; // x^3 + 3x^2 + 3x + 1
[INFO] [stderr]     |                           ----------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 219 |         let pair = poly![-5, 4, 2]; // 2x^2 + 4x - 5
[INFO] [stderr]     |                    --------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 220 |         assert_eq!(&another + &pair, poly![-4, 7, 5, 1]);
[INFO] [stderr]     |                                      ------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 221 |         assert_eq!(&another - &pair, poly![6, -1, 1, 1]);
[INFO] [stderr]     |                                      ------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 222 |         assert_eq!(&another * &pair, poly![-5, -11, -1, 13, 10, 2]);
[INFO] [stderr]     |                                      ----------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 224 |         assert_eq!(another, poly![6, -1, 1, 1]);
[INFO] [stderr]     |                             ------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 226 |         assert_eq!(another, poly![1, 3, 3, 1]);
[INFO] [stderr]     |                             ----------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 228 |         assert_eq!(another, poly![-5, -11, -1, 13, 10, 2]);
[INFO] [stderr]     |                             ----------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/lib.rs:197:39
[INFO] [stderr]     |
[INFO] [stderr] 197 |         Polynomial::new(vec![$($x),*]);
[INFO] [stderr]     |                                       ^
[INFO] [stderr] ...
[INFO] [stderr] 229 |         assert_eq!(another.derivative(), poly![-11, -2, 39, 40, 10]);
[INFO] [stderr]     |                                          -------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `poly` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `polynomint` (lib test) generated 18 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: polynomint v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polynomint-8737e3060eaba6be)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polynomint
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - Polynomial::degree (line 69) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial::new (line 38) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial::is_zero (line 89) ... ok
[INFO] [stdout] test src/iter.rs - iter::Polynomial::iter_mut (line 37) ... ok
[INFO] [stdout] test src/iter.rs - iter::Polynomial::iter (line 17) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial (line 13) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::eval (line 75) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::derivative (line 50) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::factor_root_mod (line 191) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::has_root (line 106) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::rem_euclid (line 25) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::factor_root (line 144) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::has_root_mod (line 123) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::times_x (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e933ae4176da6a4d11671a74980670c77e3eb08dd57285722ef981ccb1681fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e933ae4176da6a4d11671a74980670c77e3eb08dd57285722ef981ccb1681fad", kill_on_drop: false }`
[INFO] [stdout] e933ae4176da6a4d11671a74980670c77e3eb08dd57285722ef981ccb1681fad
