[INFO] cloning repository https://github.com/althea-mesh/num256_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/althea-mesh/num256_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthea-mesh%2Fnum256_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthea-mesh%2Fnum256_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0f993e7d1c48832c3d7bb5dacd9f04ba4119044
[INFO] checking althea-mesh/num256_rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthea-mesh%2Fnum256_rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/althea-mesh/num256_rs on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/althea-mesh/num256_rs
[INFO] finished tweaking git repo https://github.com/althea-mesh/num256_rs
[INFO] tweaked toml for git repo https://github.com/althea-mesh/num256_rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages
[INFO] [stderr]       Adding bnum v0.5.0 (latest: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bnum v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4c70557313cab05ee61fb836f6692c0fe0c3fec7fb02f88bec9fcb9f80cfad3
[INFO] running `Command { std: "docker" "start" "-a" "d4c70557313cab05ee61fb836f6692c0fe0c3fec7fb02f88bec9fcb9f80cfad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4c70557313cab05ee61fb836f6692c0fe0c3fec7fb02f88bec9fcb9f80cfad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c70557313cab05ee61fb836f6692c0fe0c3fec7fb02f88bec9fcb9f80cfad3", kill_on_drop: false }`
[INFO] [stdout] d4c70557313cab05ee61fb836f6692c0fe0c3fec7fb02f88bec9fcb9f80cfad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d7612a0197bdca914f8381d9b56767a0215e732320b31d9f4eed164ba3847e1
[INFO] running `Command { std: "docker" "start" "-a" "2d7612a0197bdca914f8381d9b56767a0215e732320b31d9f4eed164ba3847e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking bnum v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking num256 v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "2d7612a0197bdca914f8381d9b56767a0215e732320b31d9f4eed164ba3847e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7612a0197bdca914f8381d9b56767a0215e732320b31d9f4eed164ba3847e1", kill_on_drop: false }`
[INFO] [stdout] 2d7612a0197bdca914f8381d9b56767a0215e732320b31d9f4eed164ba3847e1
[INFO] checking althea-mesh/num256_rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthea-mesh%2Fnum256_rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/althea-mesh/num256_rs on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/althea-mesh/num256_rs
[INFO] finished tweaking git repo https://github.com/althea-mesh/num256_rs
[INFO] tweaked toml for git repo https://github.com/althea-mesh/num256_rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 538358ecda3c1e7b1c77c7c0030dbc722c992601b29561ac332b341cbea32175
[INFO] running `Command { std: "docker" "start" "-a" "538358ecda3c1e7b1c77c7c0030dbc722c992601b29561ac332b341cbea32175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "538358ecda3c1e7b1c77c7c0030dbc722c992601b29561ac332b341cbea32175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538358ecda3c1e7b1c77c7c0030dbc722c992601b29561ac332b341cbea32175", kill_on_drop: false }`
[INFO] [stdout] 538358ecda3c1e7b1c77c7c0030dbc722c992601b29561ac332b341cbea32175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06c3f86ccc93491ff552e2fd3400ce9ec8be78d902fb596945715f69af852c4f
[INFO] running `Command { std: "docker" "start" "-a" "06c3f86ccc93491ff552e2fd3400ce9ec8be78d902fb596945715f69af852c4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking bnum v0.5.0
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bnum-0.5.0/src/bint/overflowing.rs:154:29
[INFO] [stdout]     |
[INFO] [stdout] 154 | /                             if r_neg {
[INFO] [stdout] 155 | |                                 return (div + Self::ONE, false)
[INFO] [stdout] 156 | |                             } else {
[INFO] [stdout] 157 | |                                 return (div - Self::ONE, false)
[INFO] [stdout] 158 | |                             };
[INFO] [stdout]     | |_____________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 335 |   crate::macro_impl!(overflowing);
[INFO] [stdout]     |   ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `overflowing` which comes from the expansion of the macro `crate::macro_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bnum-0.5.0/src/bint/overflowing.rs:154:29
[INFO] [stdout]     |
[INFO] [stdout] 154 | /                             if r_neg {
[INFO] [stdout] 155 | |                                 return (div + Self::ONE, false)
[INFO] [stdout] 156 | |                             } else {
[INFO] [stdout] 157 | |                                 return (div - Self::ONE, false)
[INFO] [stdout] 158 | |                             };
[INFO] [stdout]     | |_____________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 335 |   crate::macro_impl!(overflowing);
[INFO] [stdout]     |   ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `overflowing` which comes from the expansion of the macro `crate::macro_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bnum-0.5.0/src/bint/overflowing.rs:154:29
[INFO] [stdout]     |
[INFO] [stdout] 154 | /                             if r_neg {
[INFO] [stdout] 155 | |                                 return (div + Self::ONE, false)
[INFO] [stdout] 156 | |                             } else {
[INFO] [stdout] 157 | |                                 return (div - Self::ONE, false)
[INFO] [stdout] 158 | |                             };
[INFO] [stdout]     | |_____________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 335 |   crate::macro_impl!(overflowing);
[INFO] [stdout]     |   ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `overflowing` which comes from the expansion of the macro `crate::macro_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bnum-0.5.0/src/bint/overflowing.rs:154:29
[INFO] [stdout]     |
[INFO] [stdout] 154 | /                             if r_neg {
[INFO] [stdout] 155 | |                                 return (div + Self::ONE, false)
[INFO] [stdout] 156 | |                             } else {
[INFO] [stdout] 157 | |                                 return (div - Self::ONE, false)
[INFO] [stdout] 158 | |                             };
[INFO] [stdout]     | |_____________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] ...
[INFO] [stdout] 335 |   crate::macro_impl!(overflowing);
[INFO] [stdout]     |   ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `overflowing` which comes from the expansion of the macro `crate::macro_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bnum` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "06c3f86ccc93491ff552e2fd3400ce9ec8be78d902fb596945715f69af852c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c3f86ccc93491ff552e2fd3400ce9ec8be78d902fb596945715f69af852c4f", kill_on_drop: false }`
[INFO] [stdout] 06c3f86ccc93491ff552e2fd3400ce9ec8be78d902fb596945715f69af852c4f