[INFO] fetching crate c3-inheritance 0.0.0...
[INFO] checking c3-inheritance-0.0.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate c3-inheritance 0.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate c3-inheritance 0.0.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c3-inheritance 0.0.0
[INFO] finished tweaking crates.io crate c3-inheritance 0.0.0
[INFO] tweaked toml for crates.io crate c3-inheritance 0.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66b7419b810e4c6c157c9ea5cd24112d0c410884dfa0385581e48f9e656b9691
[INFO] running `Command { std: "docker" "start" "-a" "66b7419b810e4c6c157c9ea5cd24112d0c410884dfa0385581e48f9e656b9691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66b7419b810e4c6c157c9ea5cd24112d0c410884dfa0385581e48f9e656b9691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b7419b810e4c6c157c9ea5cd24112d0c410884dfa0385581e48f9e656b9691", kill_on_drop: false }`
[INFO] [stdout] 66b7419b810e4c6c157c9ea5cd24112d0c410884dfa0385581e48f9e656b9691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f201df118754f54abe73ae897165a24fdbea801b01b9264296310cd8accedae
[INFO] running `Command { std: "docker" "start" "-a" "5f201df118754f54abe73ae897165a24fdbea801b01b9264296310cd8accedae", kill_on_drop: false }`
[INFO] [stderr]     Checking c3-inheritance v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `graph` is never read
[INFO] [stdout]   --> src/c3/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct InheritLinearized<'a> {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 18 |     graph: &'a InheritGraph,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InheritLinearized` 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: field `is_virtual` is never read
[INFO] [stdout]   --> src/c3/mod.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct BaseClass {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 88 |     class: String,
[INFO] [stdout] 89 |     is_virtual: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BaseClass` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `overloads` are never read
[INFO] [stdout]   --> src/c3/mod.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct C3ClassMember {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 95 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 96 |     overloads: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `C3ClassMember` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MemberKind` is never used
[INFO] [stdout]   --> src/c3/mod.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub enum MemberKind {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `graph` is never read
[INFO] [stdout]   --> src/c3/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct InheritLinearized<'a> {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 18 |     graph: &'a InheritGraph,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InheritLinearized` 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: field `is_virtual` is never read
[INFO] [stdout]   --> src/c3/mod.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct BaseClass {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 88 |     class: String,
[INFO] [stdout] 89 |     is_virtual: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BaseClass` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `overloads` are never read
[INFO] [stdout]   --> src/c3/mod.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct C3ClassMember {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 95 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 96 |     overloads: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `C3ClassMember` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MemberKind` is never used
[INFO] [stdout]   --> src/c3/mod.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub enum MemberKind {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "5f201df118754f54abe73ae897165a24fdbea801b01b9264296310cd8accedae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f201df118754f54abe73ae897165a24fdbea801b01b9264296310cd8accedae", kill_on_drop: false }`
[INFO] [stdout] 5f201df118754f54abe73ae897165a24fdbea801b01b9264296310cd8accedae
