[INFO] fetching crate rustscan 2.0.0... [INFO] testing rustscan-2.0.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate rustscan 2.0.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate rustscan 2.0.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustscan 2.0.0 [INFO] finished tweaking crates.io crate rustscan 2.0.0 [INFO] tweaked toml for crates.io crate rustscan 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate rustscan 2.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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 futures v0.3.7 [INFO] [stderr] Downloaded cidr-utils v0.5.0 [INFO] [stderr] Downloaded async-executor v1.3.0 [INFO] [stderr] Downloaded async-io v1.1.10 [INFO] [stderr] Downloaded rlimit v0.5.2 [INFO] [stderr] Downloaded futures-channel v0.3.7 [INFO] [stderr] Downloaded debug-helper v0.3.10 [INFO] [stderr] Downloaded env_logger v0.8.1 [INFO] [stderr] Downloaded structopt v0.3.20 [INFO] [stderr] Downloaded text_placeholder v0.4.0 [INFO] [stderr] Downloaded backtrace v0.3.54 [INFO] [stderr] Downloaded futures-executor v0.3.7 [INFO] [stderr] Downloaded futures-core v0.3.7 [INFO] [stderr] Downloaded structopt-derive v0.4.13 [INFO] [stderr] Downloaded trust-dns-rustls v0.19.5 [INFO] [stderr] Downloaded futures-io v0.3.7 [INFO] [stderr] Downloaded futures-macro v0.3.7 [INFO] [stderr] Downloaded futures-sink v0.3.7 [INFO] [stderr] Downloaded futures-task v0.3.7 [INFO] [stderr] Downloaded futures-util v0.3.7 [INFO] [stderr] Downloaded trust-dns-proto v0.19.5 [INFO] [stderr] Downloaded trust-dns-resolver v0.19.5 [INFO] [stderr] Downloaded gcd v2.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 639a6e38329901457ae2537f3e167311be24e74a7c730233c7342dc2e555474b [INFO] running `Command { std: "docker" "start" "-a" "639a6e38329901457ae2537f3e167311be24e74a7c730233c7342dc2e555474b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "639a6e38329901457ae2537f3e167311be24e74a7c730233c7342dc2e555474b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "639a6e38329901457ae2537f3e167311be24e74a7c730233c7342dc2e555474b", kill_on_drop: false }` [INFO] [stdout] 639a6e38329901457ae2537f3e167311be24e74a7c730233c7342dc2e555474b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbc8b83d02d01155aa16a0904ba187411d18096148f0dc2ebf6ef77883459e60 [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" "fbc8b83d02d01155aa16a0904ba187411d18096148f0dc2ebf6ef77883459e60", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling futures-core v0.3.7 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling futures-io v0.3.7 [INFO] [stderr] Compiling pin-project-lite v0.1.11 [INFO] [stderr] Compiling cc v1.0.61 [INFO] [stderr] Compiling futures-sink v0.3.7 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling match_cfg v0.1.0 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Compiling humantime v2.0.1 [INFO] [stderr] Compiling debug-helper v0.3.10 [INFO] [stderr] Compiling gcd v2.0.1 [INFO] [stderr] Compiling shell-words v1.0.0 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling futures-channel v0.3.7 [INFO] [stderr] Compiling futures-task v0.3.7 [INFO] [stderr] Compiling async-channel v1.5.1 [INFO] [stderr] Compiling futures-lite v1.11.2 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling async-executor v1.3.0 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling nb-connect v1.0.2 [INFO] [stderr] Compiling polling v2.0.2 [INFO] [stderr] Compiling backtrace v0.3.54 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling hostname v0.3.1 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling subprocess v0.2.6 [INFO] [stderr] Compiling rlimit v0.5.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling async-io v1.1.10 [INFO] [stderr] Compiling resolv-conf v0.6.3 [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.1/src/biguint.rs:208:10 [INFO] [stdout] | [INFO] [stdout] 208 | .div_ceil(&big_digit::BITS.into()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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 reference [INFO] [stdout] | [INFO] [stdout] = note: expected type `u64` [INFO] [stdout] found reference `&_` [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] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling dirs v3.0.1 [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.1/src/biguint.rs:1712:45 [INFO] [stdout] | [INFO] [stdout] 1712 | let root_scale = extra_bits.div_ceil(&n64); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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] 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] [stderr] Compiling mio v0.6.22 [INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.1/src/biguint.rs:2128:10 [INFO] [stdout] | [INFO] [stdout] 2128 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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] 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[E0658]: use of unstable library feature 'int_roundings' [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.1/src/biguint.rs:2156:10 [INFO] [stdout] | [INFO] [stdout] 2156 | .div_ceil(&u64::from(bits)) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #88581 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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] 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] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `num-bigint` due to 9 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "fbc8b83d02d01155aa16a0904ba187411d18096148f0dc2ebf6ef77883459e60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbc8b83d02d01155aa16a0904ba187411d18096148f0dc2ebf6ef77883459e60", kill_on_drop: false }` [INFO] [stdout] fbc8b83d02d01155aa16a0904ba187411d18096148f0dc2ebf6ef77883459e60