[INFO] fetching crate ch14-cargo-and-crates-io 0.1.0...
[INFO] checking ch14-cargo-and-crates-io-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate ch14-cargo-and-crates-io 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ch14-cargo-and-crates-io 0.1.0
[INFO] finished tweaking crates.io crate ch14-cargo-and-crates-io 0.1.0
[INFO] tweaked toml for crates.io crate ch14-cargo-and-crates-io 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ch14-cargo-and-crates-io 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ch14-cargo-and-crates-io 0.1.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9c92fe9c986338b02f4385bc8e8b7726071ff6554c3f35d4ebab020a57cb84a
[INFO] running `Command { std: "docker" "start" "-a" "d9c92fe9c986338b02f4385bc8e8b7726071ff6554c3f35d4ebab020a57cb84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9c92fe9c986338b02f4385bc8e8b7726071ff6554c3f35d4ebab020a57cb84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c92fe9c986338b02f4385bc8e8b7726071ff6554c3f35d4ebab020a57cb84a", kill_on_drop: false }`
[INFO] [stdout] d9c92fe9c986338b02f4385bc8e8b7726071ff6554c3f35d4ebab020a57cb84a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3250e6904bf5332b595ce0450d2840f902d1af2ed6523a92a5bd26d71831f6a
[INFO] running `Command { std: "docker" "start" "-a" "c3250e6904bf5332b595ce0450d2840f902d1af2ed6523a92a5bd26d71831f6a", kill_on_drop: false }`
[INFO] [stderr]     Checking ch14-cargo-and-crates-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/art.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     c1: PrimaryColor,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/art.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     c2: PrimaryColor,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/art.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     c1: PrimaryColor,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/art.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     c2: PrimaryColor,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "c3250e6904bf5332b595ce0450d2840f902d1af2ed6523a92a5bd26d71831f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3250e6904bf5332b595ce0450d2840f902d1af2ed6523a92a5bd26d71831f6a", kill_on_drop: false }`
[INFO] [stdout] c3250e6904bf5332b595ce0450d2840f902d1af2ed6523a92a5bd26d71831f6a