[INFO] fetching crate error-window-macro 1.0.0...
[INFO] testing error-window-macro-1.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate error-window-macro 1.0.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate error-window-macro 1.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d49278066179ac6f7fee33271b122056432ab141a5261feaf35b9e27857c94e0
[INFO] running `Command { std: "docker" "start" "-a" "d49278066179ac6f7fee33271b122056432ab141a5261feaf35b9e27857c94e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d49278066179ac6f7fee33271b122056432ab141a5261feaf35b9e27857c94e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49278066179ac6f7fee33271b122056432ab141a5261feaf35b9e27857c94e0", kill_on_drop: false }`
[INFO] [stdout] d49278066179ac6f7fee33271b122056432ab141a5261feaf35b9e27857c94e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34e9d6038ba86e70942a5640d0a753c6424cbde740ab3c4e1ecb2d53b658a96c
[INFO] running `Command { std: "docker" "start" "-a" "34e9d6038ba86e70942a5640d0a753c6424cbde740ab3c4e1ecb2d53b658a96c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "34e9d6038ba86e70942a5640d0a753c6424cbde740ab3c4e1ecb2d53b658a96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e9d6038ba86e70942a5640d0a753c6424cbde740ab3c4e1ecb2d53b658a96c", kill_on_drop: false }`
[INFO] [stdout] 34e9d6038ba86e70942a5640d0a753c6424cbde740ab3c4e1ecb2d53b658a96c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bf580757fd03ffe48bed0b039a124e1dd96e58241cd298bbd6a55e49c7ba240
[INFO] running `Command { std: "docker" "start" "-a" "0bf580757fd03ffe48bed0b039a124e1dd96e58241cd298bbd6a55e49c7ba240", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "0bf580757fd03ffe48bed0b039a124e1dd96e58241cd298bbd6a55e49c7ba240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf580757fd03ffe48bed0b039a124e1dd96e58241cd298bbd6a55e49c7ba240", kill_on_drop: false }`
[INFO] [stdout] 0bf580757fd03ffe48bed0b039a124e1dd96e58241cd298bbd6a55e49c7ba240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80e8f8728307c565051caeac5fd750a77afcf62ad58c2a9f93b938f17e0b4ee6
[INFO] running `Command { std: "docker" "start" "-a" "80e8f8728307c565051caeac5fd750a77afcf62ad58c2a9f93b938f17e0b4ee6", kill_on_drop: false }`
[INFO] [stderr] warning: fields `outer_attrs` and `inner_attrs` are never read
[INFO] [stderr]   --> src/entry.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | struct ItemFn {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 79 |     outer_attrs: Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 83 |     inner_attrs: Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `attrs` is never used
[INFO] [stderr]   --> src/entry.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 87 | impl ItemFn {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 88 |     /// Access all attributes of the function item.
[INFO] [stderr] 89 |     fn attrs(&self) -> impl Iterator<Item = &Attribute> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `error-window-macro` (lib) generated 2 warnings
[INFO] [stderr] warning: `error-window-macro` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/error_window_macro-2e20a75258af714d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests error_window_macro
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "80e8f8728307c565051caeac5fd750a77afcf62ad58c2a9f93b938f17e0b4ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e8f8728307c565051caeac5fd750a77afcf62ad58c2a9f93b938f17e0b4ee6", kill_on_drop: false }`
[INFO] [stdout] 80e8f8728307c565051caeac5fd750a77afcf62ad58c2a9f93b938f17e0b4ee6