[INFO] fetching crate bigint-benchmark 0.2.1...
[INFO] testing bigint-benchmark-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate bigint-benchmark 0.2.1 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate bigint-benchmark 0.2.1 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 bigint-benchmark 0.2.1
[INFO] finished tweaking crates.io crate bigint-benchmark 0.2.1
[INFO] tweaked toml for crates.io crate bigint-benchmark 0.2.1 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate bigint-benchmark 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] d85d1f0f601400aff27c2703b0e2d01e034c07e0494639186042ebea14911ec2
[INFO] running `Command { std: "docker" "start" "-a" "d85d1f0f601400aff27c2703b0e2d01e034c07e0494639186042ebea14911ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d85d1f0f601400aff27c2703b0e2d01e034c07e0494639186042ebea14911ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85d1f0f601400aff27c2703b0e2d01e034c07e0494639186042ebea14911ec2", kill_on_drop: false }`
[INFO] [stdout] d85d1f0f601400aff27c2703b0e2d01e034c07e0494639186042ebea14911ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 3336f438f3689c8b0b4dcda73f78aa102950ffb33400d914b298d57511df96b3
[INFO] running `Command { std: "docker" "start" "-a" "3336f438f3689c8b0b4dcda73f78aa102950ffb33400d914b298d57511df96b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling az v1.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling rug v1.13.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling const_fn_assert v0.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling ieee754 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rust-gmp v0.5.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling ibig v0.3.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rustc-cfg v0.4.0
[INFO] [stderr]    Compiling ramp v0.6.0
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.6.0/src/int.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout] 37  | use alloc::raw_vec::RawVec;
[INFO] [stdout]     |            ^^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `raw_vec` is defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.6.0/src/int.rs:182:31
[INFO] [stdout]     |
[INFO] [stdout] 182 |             ret.with_raw_vec(|v| v.reserve_exact(0, cap as usize))
[INFO] [stdout]     |                               ^ consider giving this closure parameter a type
[INFO] [stdout]     |
[INFO] [stdout]     = note: type must be known at this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.6.0/src/int.rs:275:28
[INFO] [stdout]     |
[INFO] [stdout] 275 |         self.with_raw_vec(|v| {
[INFO] [stdout]     |                            ^ consider giving this closure parameter a type
[INFO] [stdout]     |
[INFO] [stdout]     = note: type must be known at this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.6.0/src/int.rs:769:32
[INFO] [stdout]     |
[INFO] [stdout] 769 |             self.with_raw_vec(|v| v.reserve_exact(old_cap, cap as usize - old_cap))
[INFO] [stdout]     |                                ^ consider giving this closure parameter a type
[INFO] [stdout]     |
[INFO] [stdout]     = note: type must be known at this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ramp` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3336f438f3689c8b0b4dcda73f78aa102950ffb33400d914b298d57511df96b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3336f438f3689c8b0b4dcda73f78aa102950ffb33400d914b298d57511df96b3", kill_on_drop: false }`
[INFO] [stdout] 3336f438f3689c8b0b4dcda73f78aa102950ffb33400d914b298d57511df96b3