[INFO] fetching crate ff-uint 0.1.4...
[INFO] checking ff-uint-0.1.4 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate ff-uint 0.1.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ff-uint 0.1.4 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ff-uint 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ff-uint 0.1.4
[INFO] tweaked toml for crates.io crate ff-uint 0.1.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcaf2b04efc1342f3ee20f23c15d459e9aa68d817ea066495274b43584760ca7
[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" "bcaf2b04efc1342f3ee20f23c15d459e9aa68d817ea066495274b43584760ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcaf2b04efc1342f3ee20f23c15d459e9aa68d817ea066495274b43584760ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcaf2b04efc1342f3ee20f23c15d459e9aa68d817ea066495274b43584760ca7", kill_on_drop: false }`
[INFO] [stdout] bcaf2b04efc1342f3ee20f23c15d459e9aa68d817ea066495274b43584760ca7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 110226d33b6939d06e22dd9ba50a69e69a7d3e9ddf05f4c44d67ec28a954b1b0
[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" "110226d33b6939d06e22dd9ba50a69e69a7d3e9ddf05f4c44d67ec28a954b1b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]     Checking seedbox v0.1.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling borsh-derive-internal v0.7.2
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.7.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling ref-cast-impl v1.0.3
[INFO] [stderr]    Compiling borsh-derive v0.7.2
[INFO] [stderr]    Compiling concat-idents v1.0.0
[INFO] [stderr]    Compiling ff-uint_derive v0.1.5
[INFO] [stderr]     Checking borsh v0.7.2
[INFO] [stderr]     Checking ref-cast v1.0.3
[INFO] [stderr]     Checking ff-uint v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stdout]  --> src/ff/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![deny(intra_doc_link_resolution_failure)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stdout]  --> src/ff/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![deny(intra_doc_link_resolution_failure)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `__generated_Fs::Fs: BorshDeserialize` is not satisfied
[INFO] [stdout]   --> tests/ff-uint_tests.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / construct_primefield_params! {
[INFO] [stdout] 26 | |     pub struct Fs(super::U256);
[INFO] [stdout] 27 | |
[INFO] [stdout] 28 | |     impl PrimeFieldParams for Fs {
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |    }
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^ the trait `BorshDeserialize` is not implemented for `__generated_Fs::Fs`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/ff/traits.rs:81:7
[INFO] [stdout]    |
[INFO] [stdout] 81 |       + crate::borsh::BorshDeserialize
[INFO] [stdout]    |         ------------------------------ required by this bound in `PrimeField`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `__generated_Fs::Fs: BorshSerialize` is not satisfied
[INFO] [stdout]   --> tests/ff-uint_tests.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / construct_primefield_params! {
[INFO] [stdout] 26 | |     pub struct Fs(super::U256);
[INFO] [stdout] 27 | |
[INFO] [stdout] 28 | |     impl PrimeFieldParams for Fs {
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |    }
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^ the trait `BorshSerialize` is not implemented for `__generated_Fs::Fs`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/ff/traits.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 |       + crate::borsh::BorshSerialize
[INFO] [stdout]    |         ---------------------------- required by this bound in `PrimeField`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ff-uint`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "110226d33b6939d06e22dd9ba50a69e69a7d3e9ddf05f4c44d67ec28a954b1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110226d33b6939d06e22dd9ba50a69e69a7d3e9ddf05f4c44d67ec28a954b1b0", kill_on_drop: false }`
[INFO] [stdout] 110226d33b6939d06e22dd9ba50a69e69a7d3e9ddf05f4c44d67ec28a954b1b0