[INFO] cloning repository https://github.com/juddbaguio/rust-thingies
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juddbaguio/rust-thingies" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuddbaguio%2Frust-thingies", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuddbaguio%2Frust-thingies'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbc8f37190c14e0ad180867f8c6a4fee268ea711
[INFO] checking juddbaguio/rust-thingies against try#f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208 for pr-139419
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuddbaguio%2Frust-thingies" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juddbaguio/rust-thingies on toolchain f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juddbaguio/rust-thingies
[INFO] finished tweaking git repo https://github.com/juddbaguio/rust-thingies
[INFO] tweaked toml for git repo https://github.com/juddbaguio/rust-thingies written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/juddbaguio/rust-thingies 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" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b76293835458c3df02ecc35d10a34ea10b0af4b534d067ba004022f8004bc78d
[INFO] running `Command { std: "docker" "start" "-a" "b76293835458c3df02ecc35d10a34ea10b0af4b534d067ba004022f8004bc78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b76293835458c3df02ecc35d10a34ea10b0af4b534d067ba004022f8004bc78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76293835458c3df02ecc35d10a34ea10b0af4b534d067ba004022f8004bc78d", kill_on_drop: false }`
[INFO] [stdout] b76293835458c3df02ecc35d10a34ea10b0af4b534d067ba004022f8004bc78d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+f45c1ab62d4de6b63f69b4daa9d1f0b90c38a208" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d579879d14054c5adfd801afde07ee039ea5a0bdcc9d4fc599df0f21e11feca1
[INFO] running `Command { std: "docker" "start" "-a" "d579879d14054c5adfd801afde07ee039ea5a0bdcc9d4fc599df0f21e11feca1", kill_on_drop: false }`
[INFO] [stderr]     Checking zero-to-mastery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Strawberry` and `Wintermelon` are never constructed
[INFO] [stdout]   --> src/bin/struct.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Flavor {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 21 |     Strawberry,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 22 |     Wintermelon,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Strawberry` and `Wintermelon` are never constructed
[INFO] [stdout]   --> src/bin/struct.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Flavor {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 21 |     Strawberry,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 22 |     Wintermelon,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "d579879d14054c5adfd801afde07ee039ea5a0bdcc9d4fc599df0f21e11feca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d579879d14054c5adfd801afde07ee039ea5a0bdcc9d4fc599df0f21e11feca1", kill_on_drop: false }`
[INFO] [stdout] d579879d14054c5adfd801afde07ee039ea5a0bdcc9d4fc599df0f21e11feca1