[INFO] fetching crate cbit 0.1.0...
[INFO] checking cbit-0.1.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate cbit 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cbit 0.1.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbit 0.1.0
[INFO] finished tweaking crates.io crate cbit 0.1.0
[INFO] tweaked toml for crates.io crate cbit 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate cbit 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b2dafd87f1adb70dc84e4374167dbd9370719fe89ce4fc78a83e603e66e6140
[INFO] running `Command { std: "docker" "start" "-a" "5b2dafd87f1adb70dc84e4374167dbd9370719fe89ce4fc78a83e603e66e6140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b2dafd87f1adb70dc84e4374167dbd9370719fe89ce4fc78a83e603e66e6140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2dafd87f1adb70dc84e4374167dbd9370719fe89ce4fc78a83e603e66e6140", kill_on_drop: false }`
[INFO] [stdout] 5b2dafd87f1adb70dc84e4374167dbd9370719fe89ce4fc78a83e603e66e6140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4428dfb4fbea61e32d6d3c39df98141679a09755c2615b533c3b29646e146abc
[INFO] running `Command { std: "docker" "start" "-a" "4428dfb4fbea61e32d6d3c39df98141679a09755c2615b533c3b29646e146abc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking cbit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `kw_for` and `kw_in` are never read
[INFO] [stdout]   --> src/syntax.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CbitForExpr {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 12 |     pub label: Option<Label>,
[INFO] [stdout] 13 |     pub kw_for: Token![for],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     pub body_pattern: Pat,
[INFO] [stdout] 15 |     pub kw_in: Token![in],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CbitForExpr` has a derived impl for the trait `Clone`, 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 `kw_break` is never read
[INFO] [stdout]   --> src/syntax.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct CbitForExprBreaks {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 37 |     pub kw_break: Token![break],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CbitForExprBreaks` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `brace` is never read
[INFO] [stdout]   --> src/syntax.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct OpaqueBody {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 87 |     pub brace: Brace,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpaqueBody` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kw_for` and `kw_in` are never read
[INFO] [stdout]   --> src/syntax.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CbitForExpr {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 12 |     pub label: Option<Label>,
[INFO] [stdout] 13 |     pub kw_for: Token![for],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     pub body_pattern: Pat,
[INFO] [stdout] 15 |     pub kw_in: Token![in],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CbitForExpr` has a derived impl for the trait `Clone`, 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 `kw_break` is never read
[INFO] [stdout]   --> src/syntax.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct CbitForExprBreaks {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 37 |     pub kw_break: Token![break],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CbitForExprBreaks` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `brace` is never read
[INFO] [stdout]   --> src/syntax.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct OpaqueBody {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 87 |     pub brace: Brace,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpaqueBody` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kw_for` and `kw_in` are never read
[INFO] [stdout]   --> src/syntax.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct CbitForExpr {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 12 |     pub label: Option<Label>,
[INFO] [stdout] 13 |     pub kw_for: Token![for],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     pub body_pattern: Pat,
[INFO] [stdout] 15 |     pub kw_in: Token![in],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CbitForExpr` has a derived impl for the trait `Clone`, 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 `kw_break` is never read
[INFO] [stdout]   --> src/syntax.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct CbitForExprBreaks {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 37 |     pub kw_break: Token![break],
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CbitForExprBreaks` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `brace` is never read
[INFO] [stdout]   --> src/syntax.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct OpaqueBody {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 87 |     pub brace: Brace,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OpaqueBody` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.20s
[INFO] running `Command { std: "docker" "inspect" "4428dfb4fbea61e32d6d3c39df98141679a09755c2615b533c3b29646e146abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4428dfb4fbea61e32d6d3c39df98141679a09755c2615b533c3b29646e146abc", kill_on_drop: false }`
[INFO] [stdout] 4428dfb4fbea61e32d6d3c39df98141679a09755c2615b533c3b29646e146abc