[INFO] cloning repository https://github.com/arealesramirez/rust-how-to-make-an-http-request
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arealesramirez/rust-how-to-make-an-http-request" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farealesramirez%2Frust-how-to-make-an-http-request", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farealesramirez%2Frust-how-to-make-an-http-request'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49ae4d821067b885c72992adc01bafff9760412e
[INFO] checking arealesramirez/rust-how-to-make-an-http-request against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farealesramirez%2Frust-how-to-make-an-http-request" "/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/arealesramirez/rust-how-to-make-an-http-request 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/arealesramirez/rust-how-to-make-an-http-request
[INFO] finished tweaking git repo https://github.com/arealesramirez/rust-how-to-make-an-http-request
[INFO] tweaked toml for git repo https://github.com/arealesramirez/rust-how-to-make-an-http-request written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/arealesramirez/rust-how-to-make-an-http-request 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] fc4d71e1927274d00221b844d22cd70ee015e3531dc7a93c48b9f2050565ed0a
[INFO] running `Command { std: "docker" "start" "-a" "fc4d71e1927274d00221b844d22cd70ee015e3531dc7a93c48b9f2050565ed0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc4d71e1927274d00221b844d22cd70ee015e3531dc7a93c48b9f2050565ed0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4d71e1927274d00221b844d22cd70ee015e3531dc7a93c48b9f2050565ed0a", kill_on_drop: false }`
[INFO] [stdout] fc4d71e1927274d00221b844d22cd70ee015e3531dc7a93c48b9f2050565ed0a
[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] 4c127ce64948f4765ce392d525b7c62cbcd9defe344c39e9cefce5701cd17839
[INFO] running `Command { std: "docker" "start" "-a" "4c127ce64948f4765ce392d525b7c62cbcd9defe344c39e9cefce5701cd17839", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling libc v0.2.126
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[INFO] [stderr]     Checking foreign-types v0.3.2
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[INFO] [stdout] warning: fields `fact` and `length` are never read
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct CatFact {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 5 |     fact: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     length: i32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CatFact` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fact`, `length`, and `id` are never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct DifferentCatFact {
[INFO] [stdout]    |        ---------------- fields in this struct
[INFO] [stdout] 11 |     fact: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     length: i32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DifferentCatFact` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fact` and `length` are never read
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct CatFact {
[INFO] [stdout]   |        ------- fields in this struct
[INFO] [stdout] 5 |     fact: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     length: i32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CatFact` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fact`, `length`, and `id` are never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct DifferentCatFact {
[INFO] [stdout]    |        ---------------- fields in this struct
[INFO] [stdout] 11 |     fact: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     length: i32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     id: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DifferentCatFact` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.75s
[INFO] running `Command { std: "docker" "inspect" "4c127ce64948f4765ce392d525b7c62cbcd9defe344c39e9cefce5701cd17839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c127ce64948f4765ce392d525b7c62cbcd9defe344c39e9cefce5701cd17839", kill_on_drop: false }`
[INFO] [stdout] 4c127ce64948f4765ce392d525b7c62cbcd9defe344c39e9cefce5701cd17839