[INFO] cloning repository https://github.com/mrdaybird/bigfield
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrdaybird/bigfield" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrdaybird%2Fbigfield", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrdaybird%2Fbigfield'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f33e6961b00621e71fcd177b9dcebe9c6809ccad
[INFO] checking mrdaybird/bigfield against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrdaybird%2Fbigfield" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mrdaybird/bigfield
[INFO] finished tweaking git repo https://github.com/mrdaybird/bigfield
[INFO] tweaked toml for git repo https://github.com/mrdaybird/bigfield written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mrdaybird/bigfield on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mrdaybird/bigfield already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.94
[INFO] [stderr]   Downloaded crypto-bigint v0.6.0-rc.6
[INFO] [stderr]   Downloaded winnow v0.6.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03f8a2d14b86e523450365d8b9686307aedb5cca280ee37e0549cf74d6559904
[INFO] running `Command { std: "docker" "start" "-a" "03f8a2d14b86e523450365d8b9686307aedb5cca280ee37e0549cf74d6559904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03f8a2d14b86e523450365d8b9686307aedb5cca280ee37e0549cf74d6559904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f8a2d14b86e523450365d8b9686307aedb5cca280ee37e0549cf74d6559904", kill_on_drop: false }`
[INFO] [stdout] 03f8a2d14b86e523450365d8b9686307aedb5cca280ee37e0549cf74d6559904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 384a7fab6039f719d27eb2db3f92e128e1ffdfd14879b017648855d3ab46bb02
[INFO] running `Command { std: "docker" "start" "-a" "384a7fab6039f719d27eb2db3f92e128e1ffdfd14879b017648855d3ab46bb02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling winnow v0.6.21
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rstest_macros v0.23.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking crypto-bigint v0.6.0-rc.6
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bigfield v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `bigint_helper_methods`
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(bigint_helper_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_bigint_helper_methods`
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_bigint_helper_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `core::num::<impl u64>::borrowing_sub` is not yet stable as a const fn
[INFO] [stdout]    --> src/bigint.rs:170:34
[INFO] [stdout]     |
[INFO] [stdout] 170 |             let (sum, _borrow) = self.0[i].borrowing_sub(rhs.0[i], borrow);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(const_unsigned_bigint_helpers)]` to the crate attributes to enable
[INFO] [stdout]    --> src/main.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 + #![feature(const_unsigned_bigint_helpers)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `core::num::<impl u64>::carrying_add` is not yet stable as a const fn
[INFO] [stdout]    --> src/bigint.rs:153:33
[INFO] [stdout]     |
[INFO] [stdout] 153 |             let (sum, _carry) = self.0[i].carrying_add(rhs.0[i], carry);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(const_unsigned_bigint_helpers)]` to the crate attributes to enable
[INFO] [stdout]    --> src/main.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 + #![feature(const_unsigned_bigint_helpers)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `core::num::<impl u64>::carrying_mul` is not yet stable as a const fn
[INFO] [stdout]    --> src/bigint.rs:193:37
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 let (mul, carry0) = self.0[j].carrying_mul(rhs.0[i], carry);
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(const_unsigned_bigint_helpers)]` to the crate attributes to enable
[INFO] [stdout]    --> src/main.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 + #![feature(const_unsigned_bigint_helpers)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `core::num::<impl u64>::carrying_add` is not yet stable as a const fn
[INFO] [stdout]    --> src/bigint.rs:194:37
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 let (sum, carry1) = w[i + j].carrying_add(mul, false);
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(const_unsigned_bigint_helpers)]` to the crate attributes to enable
[INFO] [stdout]    --> src/main.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 + #![feature(const_unsigned_bigint_helpers)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `core::num::<impl u64>::carrying_mul` is not yet stable as a const fn
[INFO] [stdout]    --> src/bigint.rs:223:33
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let (mul, carry0) = self.0[i].carrying_mul(rhs, carry);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(const_unsigned_bigint_helpers)]` to the crate attributes to enable
[INFO] [stdout]    --> src/main.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 + #![feature(const_unsigned_bigint_helpers)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `core::num::<impl u64>::carrying_add` is not yet stable as a const fn
[INFO] [stdout]    --> src/bigint.rs:224:33
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let (sum, carry1) = w[i].carrying_add(mul, false);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: add `#![feature(const_unsigned_bigint_helpers)]` to the crate attributes to enable
[INFO] [stdout]    --> src/main.rs:7:1
[INFO] [stdout]     |
[INFO] [stdout]   7 + #![feature(const_unsigned_bigint_helpers)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bigfield` (bin "bigfield") due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "384a7fab6039f719d27eb2db3f92e128e1ffdfd14879b017648855d3ab46bb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384a7fab6039f719d27eb2db3f92e128e1ffdfd14879b017648855d3ab46bb02", kill_on_drop: false }`
[INFO] [stdout] 384a7fab6039f719d27eb2db3f92e128e1ffdfd14879b017648855d3ab46bb02
