[INFO] cloning repository https://github.com/zphixon/molybdenite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zphixon/molybdenite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzphixon%2Fmolybdenite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzphixon%2Fmolybdenite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8838f5888efae47b6fe7430e5755272b0f1ad2c6
[INFO] checking zphixon/molybdenite against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzphixon%2Fmolybdenite" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zphixon/molybdenite 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/zphixon/molybdenite
[INFO] finished tweaking git repo https://github.com/zphixon/molybdenite
[INFO] tweaked toml for git repo https://github.com/zphixon/molybdenite written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zphixon/molybdenite 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e99a88fcfc97f8a67a6a78a83d35842edc5df8d0f8de862da9c55e7a98e867d6
[INFO] running `Command { std: "docker" "start" "-a" "e99a88fcfc97f8a67a6a78a83d35842edc5df8d0f8de862da9c55e7a98e867d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e99a88fcfc97f8a67a6a78a83d35842edc5df8d0f8de862da9c55e7a98e867d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99a88fcfc97f8a67a6a78a83d35842edc5df8d0f8de862da9c55e7a98e867d6", kill_on_drop: false }`
[INFO] [stdout] e99a88fcfc97f8a67a6a78a83d35842edc5df8d0f8de862da9c55e7a98e867d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2e4da3a427d22c2522ab7b6a79be597a22486895d6ca317c14e132b73a5f2544
[INFO] running `Command { std: "docker" "start" "-a" "2e4da3a427d22c2522ab7b6a79be597a22486895d6ca317c14e132b73a5f2544", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking rustls-pki-types v1.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling rustls v0.22.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]     Checking rustls-pemfile v2.1.1
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking molybdenite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]     Checking tokio-rustls v0.25.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.87s
[INFO] running `Command { std: "docker" "inspect" "2e4da3a427d22c2522ab7b6a79be597a22486895d6ca317c14e132b73a5f2544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4da3a427d22c2522ab7b6a79be597a22486895d6ca317c14e132b73a5f2544", kill_on_drop: false }`
[INFO] [stdout] 2e4da3a427d22c2522ab7b6a79be597a22486895d6ca317c14e132b73a5f2544