[INFO] fetching crate error-window-macro 1.0.0...
[INFO] checking error-window-macro-1.0.0 against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] extracting crate error-window-macro 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate error-window-macro 1.0.0 on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate error-window-macro 1.0.0
[INFO] finished tweaking crates.io crate error-window-macro 1.0.0
[INFO] tweaked toml for crates.io crate error-window-macro 1.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dedd5829ac350194bd2a4b6f551153efb54c2a7e0564fecdea0f3069af6487fa
[INFO] running `Command { std: "docker" "start" "-a" "dedd5829ac350194bd2a4b6f551153efb54c2a7e0564fecdea0f3069af6487fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dedd5829ac350194bd2a4b6f551153efb54c2a7e0564fecdea0f3069af6487fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedd5829ac350194bd2a4b6f551153efb54c2a7e0564fecdea0f3069af6487fa", kill_on_drop: false }`
[INFO] [stdout] dedd5829ac350194bd2a4b6f551153efb54c2a7e0564fecdea0f3069af6487fa
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6f3ec022462449a2647375c5812e7be1e618af09c9a6c1d2f46c87c55818b1
[INFO] running `Command { std: "docker" "start" "-a" "9a6f3ec022462449a2647375c5812e7be1e618af09c9a6c1d2f46c87c55818b1", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking error-window-macro v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `outer_attrs` and `inner_attrs` are never read
[INFO] [stdout]   --> src/entry.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct ItemFn {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 79 |     outer_attrs: Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     inner_attrs: Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `attrs` is never used
[INFO] [stdout]   --> src/entry.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl ItemFn {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 88 |     /// Access all attributes of the function item.
[INFO] [stdout] 89 |     fn attrs(&self) -> impl Iterator<Item = &Attribute> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `outer_attrs` and `inner_attrs` are never read
[INFO] [stdout]   --> src/entry.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | struct ItemFn {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 79 |     outer_attrs: Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     inner_attrs: Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `attrs` is never used
[INFO] [stdout]   --> src/entry.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl ItemFn {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 88 |     /// Access all attributes of the function item.
[INFO] [stdout] 89 |     fn attrs(&self) -> impl Iterator<Item = &Attribute> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "9a6f3ec022462449a2647375c5812e7be1e618af09c9a6c1d2f46c87c55818b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6f3ec022462449a2647375c5812e7be1e618af09c9a6c1d2f46c87c55818b1", kill_on_drop: false }`
[INFO] [stdout] 9a6f3ec022462449a2647375c5812e7be1e618af09c9a6c1d2f46c87c55818b1