[INFO] fetching crate ff-derive-num 0.1.2...
[INFO] testing ff-derive-num-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ff-derive-num 0.1.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ff-derive-num 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61fed248460305c679a8882aca614d139290ff4a09ed8ac10fdb9096b43a58b4
[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" "61fed248460305c679a8882aca614d139290ff4a09ed8ac10fdb9096b43a58b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61fed248460305c679a8882aca614d139290ff4a09ed8ac10fdb9096b43a58b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fed248460305c679a8882aca614d139290ff4a09ed8ac10fdb9096b43a58b4", kill_on_drop: false }`
[INFO] [stdout] 61fed248460305c679a8882aca614d139290ff4a09ed8ac10fdb9096b43a58b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c50d72c32a406c4e720ce49393bcff94cb45537387109a1fcbf1cdffbf90e94
[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" "0c50d72c32a406c4e720ce49393bcff94cb45537387109a1fcbf1cdffbf90e94", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ff-derive-num v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.70s
[INFO] running `Command { std: "docker" "inspect" "0c50d72c32a406c4e720ce49393bcff94cb45537387109a1fcbf1cdffbf90e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c50d72c32a406c4e720ce49393bcff94cb45537387109a1fcbf1cdffbf90e94", kill_on_drop: false }`
[INFO] [stdout] 0c50d72c32a406c4e720ce49393bcff94cb45537387109a1fcbf1cdffbf90e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a3909d95a7fc9572b80cec2a6a0e2c89dc27659fa5f0330e1e3446323e146cd
[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" "7a3909d95a7fc9572b80cec2a6a0e2c89dc27659fa5f0330e1e3446323e146cd", 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 0.71s
[INFO] running `Command { std: "docker" "inspect" "7a3909d95a7fc9572b80cec2a6a0e2c89dc27659fa5f0330e1e3446323e146cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3909d95a7fc9572b80cec2a6a0e2c89dc27659fa5f0330e1e3446323e146cd", kill_on_drop: false }`
[INFO] [stdout] 7a3909d95a7fc9572b80cec2a6a0e2c89dc27659fa5f0330e1e3446323e146cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd1ce8c9e75720a121d260972335b0fc5008385711065f9ac9d5aa8b7ef566bc
[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" "dd1ce8c9e75720a121d260972335b0fc5008385711065f9ac9d5aa8b7ef566bc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ff_derive_num-7ee07943523b94bb)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ff-derive-num
[INFO] [stdout] 
[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] [stderr] error: test failed, to rerun pass '--doc'
[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 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd1ce8c9e75720a121d260972335b0fc5008385711065f9ac9d5aa8b7ef566bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1ce8c9e75720a121d260972335b0fc5008385711065f9ac9d5aa8b7ef566bc", kill_on_drop: false }`
[INFO] [stdout] dd1ce8c9e75720a121d260972335b0fc5008385711065f9ac9d5aa8b7ef566bc