[INFO] fetching crate tiny-multihash-proc-macro 0.1.0...
[INFO] checking tiny-multihash-proc-macro-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate tiny-multihash-proc-macro 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tiny-multihash-proc-macro 0.1.0
[INFO] finished tweaking crates.io crate tiny-multihash-proc-macro 0.1.0
[INFO] tweaked toml for crates.io crate tiny-multihash-proc-macro 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny-multihash-proc-macro 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]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding proc-macro-crate v0.1.5 (available: v3.3.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.2)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 424f11483ef848468958977ac67bde7f3e3e3be0f718033b068f10a85954a1b8
[INFO] running `Command { std: "docker" "start" "-a" "424f11483ef848468958977ac67bde7f3e3e3be0f718033b068f10a85954a1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "424f11483ef848468958977ac67bde7f3e3e3be0f718033b068f10a85954a1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424f11483ef848468958977ac67bde7f3e3e3be0f718033b068f10a85954a1b8", kill_on_drop: false }`
[INFO] [stdout] 424f11483ef848468958977ac67bde7f3e3e3be0f718033b068f10a85954a1b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ef1a790bba2b549427e96b278599a50b8c809d06c7e582b89c7acd277480ff35
[INFO] running `Command { std: "docker" "start" "-a" "ef1a790bba2b549427e96b278599a50b8c809d06c7e582b89c7acd277480ff35", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking synstructure v0.12.6
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]     Checking tiny-multihash-proc-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `paren` is never read
[INFO] [stdout]   --> src/utils.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Attrs<A> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 12 |     pub paren: syn::token::Paren,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attrs` 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 `key` and `eq` are never read
[INFO] [stdout]   --> src/utils.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Attr<K, V> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 27 |     pub key: K,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 28 |     pub eq: syn::token::Eq,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attr` 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 `paren` is never read
[INFO] [stdout]   --> src/utils.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Attrs<A> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 12 |     pub paren: syn::token::Paren,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attrs` 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 `key` and `eq` are never read
[INFO] [stdout]   --> src/utils.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Attr<K, V> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 27 |     pub key: K,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 28 |     pub eq: syn::token::Eq,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Attr` 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 4.87s
[INFO] running `Command { std: "docker" "inspect" "ef1a790bba2b549427e96b278599a50b8c809d06c7e582b89c7acd277480ff35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1a790bba2b549427e96b278599a50b8c809d06c7e582b89c7acd277480ff35", kill_on_drop: false }`
[INFO] [stdout] ef1a790bba2b549427e96b278599a50b8c809d06c7e582b89c7acd277480ff35