[INFO] fetching crate ff-derive-num 0.1.2...
[INFO] testing ff-derive-num-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ff-derive-num 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ff-derive-num 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ff-derive-num 0.1.2
[INFO] finished tweaking crates.io crate ff-derive-num 0.1.2
[INFO] tweaked toml for crates.io crate ff-derive-num 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 471d8513ce190a25d21575821df2bf61307d3b121bb935d7a86dd42338df4bae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "471d8513ce190a25d21575821df2bf61307d3b121bb935d7a86dd42338df4bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "471d8513ce190a25d21575821df2bf61307d3b121bb935d7a86dd42338df4bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471d8513ce190a25d21575821df2bf61307d3b121bb935d7a86dd42338df4bae", kill_on_drop: false }`
[INFO] [stdout] 471d8513ce190a25d21575821df2bf61307d3b121bb935d7a86dd42338df4bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c4571094723da50fed3dd0288685722033d1f9e40219e4050eef73d73269de4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c4571094723da50fed3dd0288685722033d1f9e40219e4050eef73d73269de4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ff-derive-num v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "8c4571094723da50fed3dd0288685722033d1f9e40219e4050eef73d73269de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4571094723da50fed3dd0288685722033d1f9e40219e4050eef73d73269de4", kill_on_drop: false }`
[INFO] [stdout] 8c4571094723da50fed3dd0288685722033d1f9e40219e4050eef73d73269de4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71fa491d2fda6474ab1976c5e50330a1e48668ff17f89eaa0c461b743241beb6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71fa491d2fda6474ab1976c5e50330a1e48668ff17f89eaa0c461b743241beb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ff-derive-num v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "71fa491d2fda6474ab1976c5e50330a1e48668ff17f89eaa0c461b743241beb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fa491d2fda6474ab1976c5e50330a1e48668ff17f89eaa0c461b743241beb6", kill_on_drop: false }`
[INFO] [stdout] 71fa491d2fda6474ab1976c5e50330a1e48668ff17f89eaa0c461b743241beb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c562e971817b1ef656178da5bd2ae26b2e4f58a2daa56414dc1c51ba661136bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c562e971817b1ef656178da5bd2ae26b2e4f58a2daa56414dc1c51ba661136bc", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ff_derive_num-5c18947e9ed6ed29)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ff-derive-num
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 22) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 22) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `ff`
[INFO] [stdout]  --> src/lib.rs:23:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ff::PrimeField;         // ff should be used with the "derive" feature!
[INFO] [stdout]   |     ^^ use of undeclared crate or module `ff`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `ff`
[INFO] [stdout]  --> src/lib.rs:26:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(PrimeField,Num)]
[INFO] [stdout]   |                     ^^^ could not find `ff` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `PrimeField`
[INFO] [stdout]  --> src/lib.rs:26:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(PrimeField,Num)]
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `PrimeFieldModulus` in this scope
[INFO] [stdout]  --> src/lib.rs:27:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[PrimeFieldModulus = "70386805592835581672624750593"]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `PrimeFieldGenerator` in this scope
[INFO] [stdout]  --> src/lib.rs:28:3
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[PrimeFieldGenerator = "17"]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `PrimeFieldReprEndianness` in this scope
[INFO] [stdout]   --> src/lib.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[PrimeFieldReprEndianness = "little"]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `ff` in the list of imported crates
[INFO] [stdout]  --> src/lib.rs:26:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(PrimeField,Num)]
[INFO] [stdout]   |                     ^^^ could not find `ff` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot multiply `Ft` by `Ft`
[INFO] [stdout]   --> src/lib.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(PrimeField,Num)]
[INFO] [stdout]    |                     ^^^ no implementation for `Ft * Ft`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Mul` is not implemented for `Ft`
[INFO] [stdout] note: required by a bound in `Num`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.14/src/lib.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub trait Num: PartialEq + Zero + One + NumOps {
[INFO] [stdout]    |                                         ^^^^^^ required by this bound in `Num`
[INFO] [stdout]    = note: this error originates in the derive macro `Num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `Ft` from `Ft`
[INFO] [stdout]   --> src/lib.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(PrimeField,Num)]
[INFO] [stdout]    |                     ^^^ no implementation for `Ft - Ft`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sub` is not implemented for `Ft`
[INFO] [stdout] note: required by a bound in `Num`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.14/src/lib.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub trait Num: PartialEq + Zero + One + NumOps {
[INFO] [stdout]    |                                         ^^^^^^ required by this bound in `Num`
[INFO] [stdout]    = note: this error originates in the derive macro `Num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `Ft` to `Ft`
[INFO] [stdout]   --> src/lib.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(PrimeField,Num)]
[INFO] [stdout]    |                     ^^^ no implementation for `Ft + Ft`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add` is not implemented for `Ft`
[INFO] [stdout] note: required by a bound in `Num`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.14/src/lib.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub trait Num: PartialEq + Zero + One + NumOps {
[INFO] [stdout]    |                                         ^^^^^^ required by this bound in `Num`
[INFO] [stdout]    = note: this error originates in the derive macro `Num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `Ft` with `Ft`
[INFO] [stdout]   --> src/lib.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(PrimeField,Num)]
[INFO] [stdout]    |                     ^^^ no implementation for `Ft == Ft`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `PartialEq` is not implemented for `Ft`
[INFO] [stdout] note: required by a bound in `Num`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.14/src/lib.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub trait Num: PartialEq + Zero + One + NumOps {
[INFO] [stdout]    |                ^^^^^^^^^ required by this bound in `Num`
[INFO] [stdout]    = note: this error originates in the derive macro `Num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add `Ft` to `Ft`
[INFO] [stdout]   --> src/lib.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(PrimeField,Num)]
[INFO] [stdout]    |                     ^^^ no implementation for `Ft + Ft`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add` is not implemented for `Ft`
[INFO] [stdout] note: required by a bound in `num_traits::Zero`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.14/src/identities.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Zero: Sized + Add<Self, Output = Self> {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `num_traits::Zero`
[INFO] [stdout]    = note: this error originates in the derive macro `Num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot multiply `Ft` by `Ft`
[INFO] [stdout]   --> src/lib.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[derive(PrimeField,Num)]
[INFO] [stdout]    |                     ^^^ no implementation for `Ft * Ft`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Mul` is not implemented for `Ft`
[INFO] [stdout] note: required by a bound in `One`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.14/src/identities.rs:90:24
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub trait One: Sized + Mul<Self, Output = Self> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `One`
[INFO] [stdout]    = note: this error originates in the derive macro `Num` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 22)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "c562e971817b1ef656178da5bd2ae26b2e4f58a2daa56414dc1c51ba661136bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c562e971817b1ef656178da5bd2ae26b2e4f58a2daa56414dc1c51ba661136bc", kill_on_drop: false }`
[INFO] [stdout] c562e971817b1ef656178da5bd2ae26b2e4f58a2daa56414dc1c51ba661136bc