[INFO] fetching crate read-human 0.1.1...
[INFO] checking read-human-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate read-human 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate read-human 0.1.1
[INFO] finished tweaking crates.io crate read-human 0.1.1
[INFO] tweaked toml for crates.io crate read-human 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate read-human 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e04a53d450ab3fb250efa51efa2990c2c71fea1e6af0af0fb2c473feec9c25f5
[INFO] running `Command { std: "docker" "start" "-a" "e04a53d450ab3fb250efa51efa2990c2c71fea1e6af0af0fb2c473feec9c25f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e04a53d450ab3fb250efa51efa2990c2c71fea1e6af0af0fb2c473feec9c25f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04a53d450ab3fb250efa51efa2990c2c71fea1e6af0af0fb2c473feec9c25f5", kill_on_drop: false }`
[INFO] [stdout] e04a53d450ab3fb250efa51efa2990c2c71fea1e6af0af0fb2c473feec9c25f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20671bd6eb285483abdda892b21111052c57ae6495781429310c8cda288bc67c
[INFO] running `Command { std: "docker" "start" "-a" "20671bd6eb285483abdda892b21111052c57ae6495781429310c8cda288bc67c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking read-human v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling error-gen v0.1.0
[INFO] [stdout] warning: fields `given` and `family` are never read
[INFO] [stdout]   --> examples/simple.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Name {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 33 |     given: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 34 |     family: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Name` 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 `name`, `age`, and `gender` are never read
[INFO] [stdout]   --> examples/simple.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct Person {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 61 |     name: Name,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 62 |     age: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 63 |     gender: Gender,
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "20671bd6eb285483abdda892b21111052c57ae6495781429310c8cda288bc67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20671bd6eb285483abdda892b21111052c57ae6495781429310c8cda288bc67c", kill_on_drop: false }`
[INFO] [stdout] 20671bd6eb285483abdda892b21111052c57ae6495781429310c8cda288bc67c