[INFO] cloning repository https://github.com/leonardoAlonso/RUST-Platzi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leonardoAlonso/RUST-Platzi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FleonardoAlonso%2FRUST-Platzi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FleonardoAlonso%2FRUST-Platzi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e39576333d12a31c680e4e418c88c52358c63db
[INFO] checking leonardoAlonso/RUST-Platzi against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FleonardoAlonso%2FRUST-Platzi" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leonardoAlonso/RUST-Platzi 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/leonardoAlonso/RUST-Platzi
[INFO] finished tweaking git repo https://github.com/leonardoAlonso/RUST-Platzi
[INFO] tweaked toml for git repo https://github.com/leonardoAlonso/RUST-Platzi written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/leonardoAlonso/RUST-Platzi 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 575fd16779fe9bd2b9501aa7f304890047d5855e7833ae869193b62ce1fcad36
[INFO] running `Command { std: "docker" "start" "-a" "575fd16779fe9bd2b9501aa7f304890047d5855e7833ae869193b62ce1fcad36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "575fd16779fe9bd2b9501aa7f304890047d5855e7833ae869193b62ce1fcad36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575fd16779fe9bd2b9501aa7f304890047d5855e7833ae869193b62ce1fcad36", kill_on_drop: false }`
[INFO] [stdout] 575fd16779fe9bd2b9501aa7f304890047d5855e7833ae869193b62ce1fcad36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0b1cbf2970a83b1c5d68434e321e935ff34a73925d68fc9291fea4cd230c21ae
[INFO] running `Command { std: "docker" "start" "-a" "0b1cbf2970a83b1c5d68434e321e935ff34a73925d68fc9291fea4cd230c21ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking platzi-curso v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "0b1cbf2970a83b1c5d68434e321e935ff34a73925d68fc9291fea4cd230c21ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1cbf2970a83b1c5d68434e321e935ff34a73925d68fc9291fea4cd230c21ae", kill_on_drop: false }`
[INFO] [stdout] 0b1cbf2970a83b1c5d68434e321e935ff34a73925d68fc9291fea4cd230c21ae
[INFO] checking leonardoAlonso/RUST-Platzi against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FleonardoAlonso%2FRUST-Platzi" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leonardoAlonso/RUST-Platzi 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/leonardoAlonso/RUST-Platzi
[INFO] finished tweaking git repo https://github.com/leonardoAlonso/RUST-Platzi
[INFO] tweaked toml for git repo https://github.com/leonardoAlonso/RUST-Platzi written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/leonardoAlonso/RUST-Platzi 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7b1b2b1f9116ff14ab4cbbf366620a40c4b4df07396e72c42c159d3b10087813
[INFO] running `Command { std: "docker" "start" "-a" "7b1b2b1f9116ff14ab4cbbf366620a40c4b4df07396e72c42c159d3b10087813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b1b2b1f9116ff14ab4cbbf366620a40c4b4df07396e72c42c159d3b10087813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1b2b1f9116ff14ab4cbbf366620a40c4b4df07396e72c42c159d3b10087813", kill_on_drop: false }`
[INFO] [stdout] 7b1b2b1f9116ff14ab4cbbf366620a40c4b4df07396e72c42c159d3b10087813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2d2eb23455996638b32ae08db232bff5c93a57f4de5151cf757e393dd682a97d
[INFO] running `Command { std: "docker" "start" "-a" "2d2eb23455996638b32ae08db232bff5c93a57f4de5151cf757e393dd682a97d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking platzi-curso v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.96s
[INFO] running `Command { std: "docker" "inspect" "2d2eb23455996638b32ae08db232bff5c93a57f4de5151cf757e393dd682a97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2eb23455996638b32ae08db232bff5c93a57f4de5151cf757e393dd682a97d", kill_on_drop: false }`
[INFO] [stdout] 2d2eb23455996638b32ae08db232bff5c93a57f4de5151cf757e393dd682a97d