[INFO] fetching crate autograd 2.0.0-rc3...
[INFO] testing autograd-2.0.0-rc3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate autograd 2.0.0-rc3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate autograd 2.0.0-rc3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate autograd 2.0.0-rc3
[INFO] tweaked toml for crates.io crate autograd 2.0.0-rc3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate autograd 2.0.0-rc3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate autograd 2.0.0-rc3 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c1cf39a338ed441373e275791e07c1a375aefeb18b3f790e0fd3429e19f97a3
[INFO] running `Command { std: "docker" "start" "-a" "0c1cf39a338ed441373e275791e07c1a375aefeb18b3f790e0fd3429e19f97a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c1cf39a338ed441373e275791e07c1a375aefeb18b3f790e0fd3429e19f97a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1cf39a338ed441373e275791e07c1a375aefeb18b3f790e0fd3429e19f97a3", kill_on_drop: false }`
[INFO] [stdout] 0c1cf39a338ed441373e275791e07c1a375aefeb18b3f790e0fd3429e19f97a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d46a2866744e1f29d483de2679e67ee5f60c02fc66bee434a94313155db82457
[INFO] running `Command { std: "docker" "start" "-a" "d46a2866744e1f29d483de2679e67ee5f60c02fc66bee434a94313155db82457", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling special v0.8.1
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.0
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.3.1/src/biguint.rs:208:19
[INFO] [stdout]     |
[INFO] [stdout] 208 |         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout]     |          -------- ^^^^^^^^^^^^^^^^^^^^^^^ expected `u64`, found `&_`
[INFO] [stdout]     |          |
[INFO] [stdout]     |          arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected type `u64`
[INFO] [stdout]             found reference `&_`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/num/mod.rs:1160:4
[INFO] [stdout]     = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 208 -         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout] 208 +         .div_ceil(big_digit::BITS.into())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.3.1/src/biguint.rs:1712:54
[INFO] [stdout]      |
[INFO] [stdout] 1712 |                 let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout]      |                                             -------- ^^^^ expected `u64`, found `&u64`
[INFO] [stdout]      |                                             |
[INFO] [stdout]      |                                             arguments to this method are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: method defined here
[INFO] [stdout]     --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/num/mod.rs:1160:4
[INFO] [stdout]      = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]      |
[INFO] [stdout] 1712 -                 let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout] 1712 +                 let root_scale = extra_bits.div_ceil(n64);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.3.1/src/biguint.rs:2128:19
[INFO] [stdout]      |
[INFO] [stdout] 2128 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]      |          -------- ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]      |          |
[INFO] [stdout]      |          arguments to this method are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: method defined here
[INFO] [stdout]     --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/num/mod.rs:1160:4
[INFO] [stdout]      = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]      |
[INFO] [stdout] 2128 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 2128 +         .div_ceil(u64::from(bits))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-bigint-0.3.1/src/biguint.rs:2156:19
[INFO] [stdout]      |
[INFO] [stdout] 2156 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]      |          -------- ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]      |          |
[INFO] [stdout]      |          arguments to this method are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: method defined here
[INFO] [stdout]     --> /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/num/mod.rs:1160:4
[INFO] [stdout]      = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]      |
[INFO] [stdout] 2156 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 2156 +         .div_ceil(u64::from(bits))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-bigint` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d46a2866744e1f29d483de2679e67ee5f60c02fc66bee434a94313155db82457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d46a2866744e1f29d483de2679e67ee5f60c02fc66bee434a94313155db82457", kill_on_drop: false }`
[INFO] [stdout] d46a2866744e1f29d483de2679e67ee5f60c02fc66bee434a94313155db82457
