[INFO] fetching crate funcmap 0.1.4...
[INFO] checking funcmap-0.1.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate funcmap 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate funcmap 0.1.4 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate funcmap 0.1.4
[INFO] finished tweaking crates.io crate funcmap 0.1.4
[INFO] tweaked toml for crates.io crate funcmap 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate funcmap 0.1.4 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded funcmap_derive v0.1.4
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 188caa7475371c56acee4e6c3e64eb94e927928063d9726707bdb2a4c9582838
[INFO] running `Command { std: "docker" "start" "-a" "188caa7475371c56acee4e6c3e64eb94e927928063d9726707bdb2a4c9582838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "188caa7475371c56acee4e6c3e64eb94e927928063d9726707bdb2a4c9582838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188caa7475371c56acee4e6c3e64eb94e927928063d9726707bdb2a4c9582838", kill_on_drop: false }`
[INFO] [stdout] 188caa7475371c56acee4e6c3e64eb94e927928063d9726707bdb2a4c9582838
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39a01a32463c1943439a4d98aa8ef34c3033e27a537489b2a4d5b1918a47af66
[INFO] running `Command { std: "docker" "start" "-a" "39a01a32463c1943439a4d98aa8ef34c3033e27a537489b2a4d5b1918a47af66", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling equivalent v1.0.0
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling funcmap_derive v0.1.4
[INFO] [stderr]     Checking funcmap v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/multi_param.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub struct Meter(pub u32);
[INFO] [stdout]    |                ----- ^^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Meter` 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 `0` is never read
[INFO] [stdout]   --> examples/multi_param.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub struct Kilogram(pub u32);
[INFO] [stdout]    |                -------- ^^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Kilogram` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.69s
[INFO] running `Command { std: "docker" "inspect" "39a01a32463c1943439a4d98aa8ef34c3033e27a537489b2a4d5b1918a47af66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a01a32463c1943439a4d98aa8ef34c3033e27a537489b2a4d5b1918a47af66", kill_on_drop: false }`
[INFO] [stdout] 39a01a32463c1943439a4d98aa8ef34c3033e27a537489b2a4d5b1918a47af66