[INFO] cloning repository https://github.com/lumikalt/kuhi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lumikalt/kuhi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumikalt%2Fkuhi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumikalt%2Fkuhi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e95e4be1e42a4093ad8a690bf2c8983aad9e48f
[INFO] checking lumikalt/kuhi against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumikalt%2Fkuhi" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lumikalt/kuhi on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lumikalt/kuhi
[INFO] finished tweaking git repo https://github.com/lumikalt/kuhi
[INFO] tweaked toml for git repo https://github.com/lumikalt/kuhi written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lumikalt/kuhi 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.22.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8a966c492dee9168366389c0805b30facec14b1c1bcec71f04ef94b96289f93
[INFO] running `Command { std: "docker" "start" "-a" "f8a966c492dee9168366389c0805b30facec14b1c1bcec71f04ef94b96289f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a966c492dee9168366389c0805b30facec14b1c1bcec71f04ef94b96289f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a966c492dee9168366389c0805b30facec14b1c1bcec71f04ef94b96289f93", kill_on_drop: false }`
[INFO] [stdout] f8a966c492dee9168366389c0805b30facec14b1c1bcec71f04ef94b96289f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cda2f9c53114613578582d68d7da6940b6c5d05bdc8c9e9c131cb878417fd598
[INFO] running `Command { std: "docker" "start" "-a" "cda2f9c53114613578582d68d7da6940b6c5d05bdc8c9e9c131cb878417fd598", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling rustix v0.38.18
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.1
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling rug v1.22.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking fd-lock v3.0.13
[INFO] [stderr]     Checking rustyline v12.0.0
[INFO] [stderr]     Checking kuhi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 01s
[INFO] running `Command { std: "docker" "inspect" "cda2f9c53114613578582d68d7da6940b6c5d05bdc8c9e9c131cb878417fd598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda2f9c53114613578582d68d7da6940b6c5d05bdc8c9e9c131cb878417fd598", kill_on_drop: false }`
[INFO] [stdout] cda2f9c53114613578582d68d7da6940b6c5d05bdc8c9e9c131cb878417fd598
[INFO] checking lumikalt/kuhi against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flumikalt%2Fkuhi" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lumikalt/kuhi on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lumikalt/kuhi
[INFO] finished tweaking git repo https://github.com/lumikalt/kuhi
[INFO] tweaked toml for git repo https://github.com/lumikalt/kuhi written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lumikalt/kuhi 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f744675e81f41e758627b6b65ed3c7c2a60964e048d85b3452f8180f708705c7
[INFO] running `Command { std: "docker" "start" "-a" "f744675e81f41e758627b6b65ed3c7c2a60964e048d85b3452f8180f708705c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f744675e81f41e758627b6b65ed3c7c2a60964e048d85b3452f8180f708705c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f744675e81f41e758627b6b65ed3c7c2a60964e048d85b3452f8180f708705c7", kill_on_drop: false }`
[INFO] [stdout] f744675e81f41e758627b6b65ed3c7c2a60964e048d85b3452f8180f708705c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ef7f1d5dbceaedd3605f20074979d0fe642f4466377ac71c5315bccf0b7c7be
[INFO] running `Command { std: "docker" "start" "-a" "9ef7f1d5dbceaedd3605f20074979d0fe642f4466377ac71c5315bccf0b7c7be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.1
[INFO] [stderr]    Compiling rustix v0.38.18
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling rug v1.22.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking fd-lock v3.0.13
[INFO] [stderr]     Checking rustyline v12.0.0
[INFO] [stderr]     Checking kuhi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 32s
[INFO] running `Command { std: "docker" "inspect" "9ef7f1d5dbceaedd3605f20074979d0fe642f4466377ac71c5315bccf0b7c7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef7f1d5dbceaedd3605f20074979d0fe642f4466377ac71c5315bccf0b7c7be", kill_on_drop: false }`
[INFO] [stdout] 9ef7f1d5dbceaedd3605f20074979d0fe642f4466377ac71c5315bccf0b7c7be