[INFO] cloning repository https://github.com/buytenh/eiger-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buytenh/eiger-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuytenh%2Feiger-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuytenh%2Feiger-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 507852a13b73b46f41c905f91d60c982b425d9ea
[INFO] checking buytenh/eiger-challenge against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuytenh%2Feiger-challenge" "/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/buytenh/eiger-challenge 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/buytenh/eiger-challenge
[INFO] finished tweaking git repo https://github.com/buytenh/eiger-challenge
[INFO] tweaked toml for git repo https://github.com/buytenh/eiger-challenge written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/buytenh/eiger-challenge 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.8.9
[INFO] [stderr]   Downloaded protoc-rust v2.28.0
[INFO] [stderr]   Downloaded protoc v2.28.0
[INFO] [stderr]   Downloaded data-encoding v2.5.0
[INFO] [stderr]   Downloaded which v4.4.2
[INFO] [stderr]   Downloaded protobuf-support v3.3.0
[INFO] [stderr]   Downloaded futures-macro v0.3.29
[INFO] [stderr]   Downloaded x509-parser v0.15.1
[INFO] [stderr]   Downloaded futures v0.3.29
[INFO] [stderr]   Downloaded protobuf v3.3.0
[INFO] [stderr]   Downloaded protobuf v2.28.0
[INFO] [stderr]   Downloaded rustix v0.38.26
[INFO] [stderr]   Downloaded openssl v0.10.60
[INFO] [stderr]   Downloaded libc v0.2.150
[INFO] [stderr]   Downloaded tokio v1.34.0
[INFO] [stderr]   Downloaded syn v2.0.39
[INFO] [stderr]   Downloaded protobuf-parse v3.3.0
[INFO] [stderr]   Downloaded protobuf-codegen v3.3.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.28.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.96
[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] e2fe1eaf6ae66b879aca39958fdc5c677afe02e67e5cbd0ca87a3b65bd518ac8
[INFO] running `Command { std: "docker" "start" "-a" "e2fe1eaf6ae66b879aca39958fdc5c677afe02e67e5cbd0ca87a3b65bd518ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2fe1eaf6ae66b879aca39958fdc5c677afe02e67e5cbd0ca87a3b65bd518ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2fe1eaf6ae66b879aca39958fdc5c677afe02e67e5cbd0ca87a3b65bd518ac8", kill_on_drop: false }`
[INFO] [stdout] e2fe1eaf6ae66b879aca39958fdc5c677afe02e67e5cbd0ca87a3b65bd518ac8
[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] c4b92183e2148475f661625ad6a682d187e3d1b63ca2a94cc92b0c66d54739e2
[INFO] running `Command { std: "docker" "start" "-a" "c4b92183e2148475f661625ad6a682d187e3d1b63ca2a94cc92b0c66d54739e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling protobuf v3.3.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]    Compiling openssl v0.10.60
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]    Compiling protoc v2.28.0
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling tokio-openssl v0.6.3
[INFO] [stderr]    Compiling protobuf-codegen v2.28.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]    Compiling protoc-rust v2.28.0
[INFO] [stderr]    Compiling protobuf-support v3.3.0
[INFO] [stderr]    Compiling asn1-rs-derive v0.4.0
[INFO] [stderr]    Compiling asn1-rs-impl v0.1.0
[INFO] [stderr]     Checking asn1-rs v0.5.2
[INFO] [stderr]     Checking der-parser v8.2.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking x509-parser v0.15.1
[INFO] [stderr]    Compiling protobuf-parse v3.3.0
[INFO] [stderr]    Compiling protobuf-codegen v3.3.0
[INFO] [stderr]    Compiling eiger-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "c4b92183e2148475f661625ad6a682d187e3d1b63ca2a94cc92b0c66d54739e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b92183e2148475f661625ad6a682d187e3d1b63ca2a94cc92b0c66d54739e2", kill_on_drop: false }`
[INFO] [stdout] c4b92183e2148475f661625ad6a682d187e3d1b63ca2a94cc92b0c66d54739e2