[INFO] cloning repository https://github.com/PradeepKiruvale/test_build_wf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PradeepKiruvale/test_build_wf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPradeepKiruvale%2Ftest_build_wf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPradeepKiruvale%2Ftest_build_wf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 142ec72f98d8514eb4e226e5bd01b1592fe92f89
[INFO] testing PradeepKiruvale/test_build_wf against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPradeepKiruvale%2Ftest_build_wf" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PradeepKiruvale/test_build_wf 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 git repo https://github.com/PradeepKiruvale/test_build_wf
[INFO] finished tweaking git repo https://github.com/PradeepKiruvale/test_build_wf
[INFO] tweaked toml for git repo https://github.com/PradeepKiruvale/test_build_wf written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/PradeepKiruvale/test_build_wf 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]     Updating git repository `https://github.com/mneumann/rumqtt`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded der-oid-macro v0.4.0
[INFO] [stderr]   Downloaded rusticata-macros v3.0.1
[INFO] [stderr]   Downloaded assert_matches v1.5.0
[INFO] [stderr]   Downloaded extend v0.1.2
[INFO] [stderr]   Downloaded assert-json-diff v1.1.0
[INFO] [stderr]   Downloaded mockito v0.29.0
[INFO] [stderr]   Downloaded mockall v0.9.1
[INFO] [stderr]   Downloaded rcgen v0.8.11
[INFO] [stderr]   Downloaded der-parser v5.1.0
[INFO] [stderr]   Downloaded pollster v0.2.2
[INFO] [stderr]   Downloaded async-log v2.0.0
[INFO] [stderr]   Downloaded async-log-attributes v1.0.1
[INFO] [stderr]   Downloaded mockall_derive v0.9.1
[INFO] [stderr]   Downloaded x509-parser v0.9.2
[INFO] [stderr]   Downloaded yasna v0.4.0
[INFO] [stderr]   Downloaded tokio-test v0.4.2
[INFO] [stderr]   Downloaded oid-registry v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 232fbd20f9d3b8da81ff3ff96348bea1730fc4b9f15fd61b27749da5cd4c61e6
[INFO] running `Command { std: "docker" "start" "-a" "232fbd20f9d3b8da81ff3ff96348bea1730fc4b9f15fd61b27749da5cd4c61e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "232fbd20f9d3b8da81ff3ff96348bea1730fc4b9f15fd61b27749da5cd4c61e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "232fbd20f9d3b8da81ff3ff96348bea1730fc4b9f15fd61b27749da5cd4c61e6", kill_on_drop: false }`
[INFO] [stdout] 232fbd20f9d3b8da81ff3ff96348bea1730fc4b9f15fd61b27749da5cd4c61e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] e53e1ee87003be0432883c620de91b4fd587ccba0c2c96d1aad72aec70af4c14
[INFO] running `Command { std: "docker" "start" "-a" "e53e1ee87003be0432883c620de91b4fd587ccba0c2c96d1aad72aec70af4c14", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling oid-registry v0.1.1
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling pollster v0.2.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fixedbitset v0.3.2
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling mqttbytes v0.1.0 (https://github.com/mneumann/rumqtt?branch=support-publish-ack#d15c73fc)
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling rpassword v5.0.1
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.0/src/biguint/convert.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #88581 <https://github.com/rust-lang/rust/issues/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-0.4.0/src/biguint/convert.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 |         .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] 70 -         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout] 70 +         .div_ceil(big_digit::BITS.into())
[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-0.4.0/src/biguint/convert.rs:585:10
[INFO] [stdout]     |
[INFO] [stdout] 585 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/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-0.4.0/src/biguint/convert.rs:585:19
[INFO] [stdout]     |
[INFO] [stdout] 585 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 585 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 585 +         .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-0.4.0/src/biguint/convert.rs:613:10
[INFO] [stdout]     |
[INFO] [stdout] 613 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/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-0.4.0/src/biguint/convert.rs:613:19
[INFO] [stdout]     |
[INFO] [stdout] 613 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 613 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 613 +         .div_ceil(u64::from(bits))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling predicates v1.0.7
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.0/src/biguint.rs:398:45
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout]     |                                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/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-0.4.0/src/biguint.rs:398:54
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 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] 398 -                 let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout] 398 +                 let root_scale = extra_bits.div_ceil(n64);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chrono v0.4.19
[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" "e53e1ee87003be0432883c620de91b4fd587ccba0c2c96d1aad72aec70af4c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53e1ee87003be0432883c620de91b4fd587ccba0c2c96d1aad72aec70af4c14", kill_on_drop: false }`
[INFO] [stdout] e53e1ee87003be0432883c620de91b4fd587ccba0c2c96d1aad72aec70af4c14