[INFO] cloning repository https://github.com/edelprino/nerdnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edelprino/nerdnet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedelprino%2Fnerdnet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedelprino%2Fnerdnet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c392561c6206679f897fe6d27c34c4575e04770b
[INFO] checking edelprino/nerdnet against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedelprino%2Fnerdnet" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edelprino/nerdnet 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/edelprino/nerdnet
[INFO] finished tweaking git repo https://github.com/edelprino/nerdnet
[INFO] tweaked toml for git repo https://github.com/edelprino/nerdnet written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/edelprino/nerdnet 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 serde_yaml v0.9.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 17b4eefef4f8414757a04872beac54142fa10912659580d16164722cf446a458
[INFO] running `Command { std: "docker" "start" "-a" "17b4eefef4f8414757a04872beac54142fa10912659580d16164722cf446a458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17b4eefef4f8414757a04872beac54142fa10912659580d16164722cf446a458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b4eefef4f8414757a04872beac54142fa10912659580d16164722cf446a458", kill_on_drop: false }`
[INFO] [stdout] 17b4eefef4f8414757a04872beac54142fa10912659580d16164722cf446a458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e3f815b7532b1061f68f2dcb0a8e073a6746e20138573f2dcb8a9cf03ec53065
[INFO] running `Command { std: "docker" "start" "-a" "e3f815b7532b1061f68f2dcb0a8e073a6746e20138573f2dcb8a9cf03ec53065", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking webpki-roots v0.25.3
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking serde_yaml v0.9.30
[INFO] [stderr]     Checking ureq v2.9.1
[INFO] [stderr]     Checking nerdnet v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.52s
[INFO] running `Command { std: "docker" "inspect" "e3f815b7532b1061f68f2dcb0a8e073a6746e20138573f2dcb8a9cf03ec53065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3f815b7532b1061f68f2dcb0a8e073a6746e20138573f2dcb8a9cf03ec53065", kill_on_drop: false }`
[INFO] [stdout] e3f815b7532b1061f68f2dcb0a8e073a6746e20138573f2dcb8a9cf03ec53065