[INFO] fetching crate stdin_parser_derive 0.1.0...
[INFO] checking stdin_parser_derive-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate stdin_parser_derive 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate stdin_parser_derive 0.1.0
[INFO] finished tweaking crates.io crate stdin_parser_derive 0.1.0
[INFO] tweaked toml for crates.io crate stdin_parser_derive 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stdin_parser_derive 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.101)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.40)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdin_parser v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 197870e6889414389ca251a8a95054c7dd370df7c2a1d1b0bea10e3acca80fab
[INFO] running `Command { std: "docker" "start" "-a" "197870e6889414389ca251a8a95054c7dd370df7c2a1d1b0bea10e3acca80fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "197870e6889414389ca251a8a95054c7dd370df7c2a1d1b0bea10e3acca80fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197870e6889414389ca251a8a95054c7dd370df7c2a1d1b0bea10e3acca80fab", kill_on_drop: false }`
[INFO] [stdout] 197870e6889414389ca251a8a95054c7dd370df7c2a1d1b0bea10e3acca80fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb98522330f206fc09d0cea3c3cfd381182b1bd538dd3cd01ac4c412757a042e
[INFO] running `Command { std: "docker" "start" "-a" "fb98522330f206fc09d0cea3c3cfd381182b1bd538dd3cd01ac4c412757a042e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking stdin_parser v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking stdin_parser_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/enum.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 |     A(i32),
[INFO] [stdout]   |     - ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SimpleEnum` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     A(i32),
[INFO] [stdout] 8 +     A(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, `c`, `d`, and `e` are never read
[INFO] [stdout]   --> examples/simple.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct SimpleStruct {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     a: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     /// b is f64
[INFO] [stdout] 12 |     b: i64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 13 |     /// c is f32
[INFO] [stdout] 14 |     c: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     /// d is String
[INFO] [stdout] 16 |     d: String,
[INFO] [stdout]    |     ^
[INFO] [stdout] 17 |     e: bool,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SimpleStruct` 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 `a` is never read
[INFO] [stdout]  --> examples/nested.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Inner {
[INFO] [stdout]   |        ----- field in this struct
[INFO] [stdout] 6 |     /// We are inside the Inner struct
[INFO] [stdout] 7 |     a: i32,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Inner` 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 `a` is never read
[INFO] [stdout]   --> examples/nested.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Outer {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 12 |     /// We are inside the Outer struct
[INFO] [stdout] 13 |     a: Inner,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Outer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/nested.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |     A(Outer),
[INFO] [stdout]    |     - ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OuterEnum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     A(Outer),
[INFO] [stdout] 19 +     A(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/nested.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 |     B(Inner),
[INFO] [stdout]    |     - ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OuterEnum` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 21 -     B(Inner),
[INFO] [stdout] 21 +     B(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `Command { std: "docker" "inspect" "fb98522330f206fc09d0cea3c3cfd381182b1bd538dd3cd01ac4c412757a042e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb98522330f206fc09d0cea3c3cfd381182b1bd538dd3cd01ac4c412757a042e", kill_on_drop: false }`
[INFO] [stdout] fb98522330f206fc09d0cea3c3cfd381182b1bd538dd3cd01ac4c412757a042e