[INFO] cloning repository https://github.com/Adrodoc/lmu-wise-2020-2021-rust-ue8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Adrodoc/lmu-wise-2020-2021-rust-ue8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrodoc%2Flmu-wise-2020-2021-rust-ue8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrodoc%2Flmu-wise-2020-2021-rust-ue8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dfdc4847912a6145952880bb43e7b185920dab3
[INFO] checking Adrodoc/lmu-wise-2020-2021-rust-ue8 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrodoc%2Flmu-wise-2020-2021-rust-ue8" "/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/Adrodoc/lmu-wise-2020-2021-rust-ue8 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/Adrodoc/lmu-wise-2020-2021-rust-ue8
[INFO] finished tweaking git repo https://github.com/Adrodoc/lmu-wise-2020-2021-rust-ue8
[INFO] tweaked toml for git repo https://github.com/Adrodoc/lmu-wise-2020-2021-rust-ue8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Adrodoc/lmu-wise-2020-2021-rust-ue8 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.119
[INFO] [stderr]   Downloaded dns-lookup v1.0.5
[INFO] [stderr]   Downloaded futures-macro v0.3.9
[INFO] [stderr]   Downloaded futures-executor v0.3.9
[INFO] [stderr]   Downloaded futures v0.3.9
[INFO] [stderr]   Downloaded tokio v0.3.6
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 828d8df0ed91593381de2cbab3727ea010b0672f82fa9f9fe4e30bccb1dc4049
[INFO] running `Command { std: "docker" "start" "-a" "828d8df0ed91593381de2cbab3727ea010b0672f82fa9f9fe4e30bccb1dc4049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "828d8df0ed91593381de2cbab3727ea010b0672f82fa9f9fe4e30bccb1dc4049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828d8df0ed91593381de2cbab3727ea010b0672f82fa9f9fe4e30bccb1dc4049", kill_on_drop: false }`
[INFO] [stdout] 828d8df0ed91593381de2cbab3727ea010b0672f82fa9f9fe4e30bccb1dc4049
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 872a8d2971af9bd530e6c08196c0992b13009b9c33a762c82900adb780735eb8
[INFO] running `Command { std: "docker" "start" "-a" "872a8d2971af9bd530e6c08196c0992b13009b9c33a762c82900adb780735eb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking dns-lookup v1.0.5
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking futures-executor v0.3.9
[INFO] [stderr]     Checking futures v0.3.9
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking rsrun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "872a8d2971af9bd530e6c08196c0992b13009b9c33a762c82900adb780735eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872a8d2971af9bd530e6c08196c0992b13009b9c33a762c82900adb780735eb8", kill_on_drop: false }`
[INFO] [stdout] 872a8d2971af9bd530e6c08196c0992b13009b9c33a762c82900adb780735eb8