[INFO] fetching crate obake_macros 1.0.5...
[INFO] checking obake_macros-1.0.5 against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] extracting crate obake_macros 1.0.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate obake_macros 1.0.5 on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate obake_macros 1.0.5
[INFO] finished tweaking crates.io crate obake_macros 1.0.5
[INFO] tweaked toml for crates.io crate obake_macros 1.0.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.100)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 803da6b4635f93dcb849997e87140aa13f63ad6798b47af461772d24020c0682
[INFO] running `Command { std: "docker" "start" "-a" "803da6b4635f93dcb849997e87140aa13f63ad6798b47af461772d24020c0682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "803da6b4635f93dcb849997e87140aa13f63ad6798b47af461772d24020c0682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803da6b4635f93dcb849997e87140aa13f63ad6798b47af461772d24020c0682", kill_on_drop: false }`
[INFO] [stdout] 803da6b4635f93dcb849997e87140aa13f63ad6798b47af461772d24020c0682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3af7362e4693359f5dd1d00fc3e4aa8de8f991b73db7f68225daa2f655cb50
[INFO] running `Command { std: "docker" "start" "-a" "6a3af7362e4693359f5dd1d00fc3e4aa8de8f991b73db7f68225daa2f655cb50", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking obake_macros v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `proc_macro::TokenStream`
[INFO] [stdout]  --> src/internal.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use proc_macro::TokenStream;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proc_macro::TokenStream`
[INFO] [stdout]  --> src/internal.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use proc_macro::TokenStream;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/expand.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |             if let Some(mut terminator) = ty_path.path.segments.last_mut() {
[INFO] [stdout]    |                         ----^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/expand.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |             if let Some(mut terminator) = ty_path.path.segments.last_mut() {
[INFO] [stdout]    |                         ----^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `brace_token` is never read
[INFO] [stdout]    --> src/internal.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct VersionedFields {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 182 |     pub brace_token: syn::token::Brace,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VersionedFields` 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 `brace_token` is never read
[INFO] [stdout]    --> src/internal.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub struct VersionedVariants {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 202 |     pub brace_token: syn::token::Brace,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VersionedVariants` 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_token` is never read
[INFO] [stdout]    --> src/internal.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub struct VersionedFields {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 182 |     pub brace_token: syn::token::Brace,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VersionedFields` 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 `brace_token` is never read
[INFO] [stdout]    --> src/internal.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub struct VersionedVariants {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 202 |     pub brace_token: syn::token::Brace,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VersionedVariants` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "6a3af7362e4693359f5dd1d00fc3e4aa8de8f991b73db7f68225daa2f655cb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3af7362e4693359f5dd1d00fc3e4aa8de8f991b73db7f68225daa2f655cb50", kill_on_drop: false }`
[INFO] [stdout] 6a3af7362e4693359f5dd1d00fc3e4aa8de8f991b73db7f68225daa2f655cb50