[INFO] fetching crate v1_hello_do_not_use 0.1.0...
[INFO] building v1_hello_do_not_use-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate v1_hello_do_not_use 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate v1_hello_do_not_use 0.1.0
[INFO] finished tweaking crates.io crate v1_hello_do_not_use 0.1.0
[INFO] tweaked toml for crates.io crate v1_hello_do_not_use 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate v1_hello_do_not_use 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate v1_hello_do_not_use 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4eac1910e1516d07ab40b8a6b41fc4d2a7eca0b43834bb469eb5ece638ee6770
[INFO] running `Command { std: "docker" "start" "-a" "4eac1910e1516d07ab40b8a6b41fc4d2a7eca0b43834bb469eb5ece638ee6770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4eac1910e1516d07ab40b8a6b41fc4d2a7eca0b43834bb469eb5ece638ee6770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eac1910e1516d07ab40b8a6b41fc4d2a7eca0b43834bb469eb5ece638ee6770", kill_on_drop: false }`
[INFO] [stdout] 4eac1910e1516d07ab40b8a6b41fc4d2a7eca0b43834bb469eb5ece638ee6770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2474d9f5f01cec805af6f5727cd64bb72ed9838904bac51a312c460b988afc2
[INFO] running `Command { std: "docker" "start" "-a" "d2474d9f5f01cec805af6f5727cd64bb72ed9838904bac51a312c460b988afc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling v1_hello_do_not_use v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fave_color` is never read
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Person {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fave_color: Color,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "d2474d9f5f01cec805af6f5727cd64bb72ed9838904bac51a312c460b988afc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2474d9f5f01cec805af6f5727cd64bb72ed9838904bac51a312c460b988afc2", kill_on_drop: false }`
[INFO] [stdout] d2474d9f5f01cec805af6f5727cd64bb72ed9838904bac51a312c460b988afc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6487dc7a4f343a27ab58a64071a41186dd06205a15f0f7965d1f8aec3233739
[INFO] running `Command { std: "docker" "start" "-a" "e6487dc7a4f343a27ab58a64071a41186dd06205a15f0f7965d1f8aec3233739", kill_on_drop: false }`
[INFO] [stderr]    Compiling v1_hello_do_not_use v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fave_color` is never read
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Person {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fave_color: Color,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "e6487dc7a4f343a27ab58a64071a41186dd06205a15f0f7965d1f8aec3233739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6487dc7a4f343a27ab58a64071a41186dd06205a15f0f7965d1f8aec3233739", kill_on_drop: false }`
[INFO] [stdout] e6487dc7a4f343a27ab58a64071a41186dd06205a15f0f7965d1f8aec3233739