[INFO] fetching crate casuarius 0.1.1...
[INFO] testing casuarius-0.1.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate casuarius 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate casuarius 0.1.1
[INFO] finished tweaking crates.io crate casuarius 0.1.1
[INFO] tweaked toml for crates.io crate casuarius 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate casuarius 0.1.1 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] [stderr]       Adding ordered-float v1.1.1 (available: v5.1.0)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.1)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90e773f92fd580263d9c25ca80dff21003ee260aa46c3a6619ae878ca23b98f7
[INFO] running `Command { std: "docker" "start" "-a" "90e773f92fd580263d9c25ca80dff21003ee260aa46c3a6619ae878ca23b98f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e773f92fd580263d9c25ca80dff21003ee260aa46c3a6619ae878ca23b98f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e773f92fd580263d9c25ca80dff21003ee260aa46c3a6619ae878ca23b98f7", kill_on_drop: false }`
[INFO] [stdout] 90e773f92fd580263d9c25ca80dff21003ee260aa46c3a6619ae878ca23b98f7
[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=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] f059014e4642df8273098763cf793d3fed8bf635a139f0dc1dd715fb6c49ab78
[INFO] running `Command { std: "docker" "start" "-a" "f059014e4642df8273098763cf793d3fed8bf635a139f0dc1dd715fb6c49ab78", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling casuarius v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:627:32
[INFO] [stdout]     |
[INFO] [stdout] 627 | pub struct EditConstraintError(&'static str);
[INFO] [stdout]     |            ------------------- ^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `EditConstraintError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "f059014e4642df8273098763cf793d3fed8bf635a139f0dc1dd715fb6c49ab78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f059014e4642df8273098763cf793d3fed8bf635a139f0dc1dd715fb6c49ab78", kill_on_drop: false }`
[INFO] [stdout] f059014e4642df8273098763cf793d3fed8bf635a139f0dc1dd715fb6c49ab78
[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=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] e7dee9ea189924cb6926e0b7c4d42ba983d76ac08f35031e2f56f68797649041
[INFO] running `Command { std: "docker" "start" "-a" "e7dee9ea189924cb6926e0b7c4d42ba983d76ac08f35031e2f56f68797649041", kill_on_drop: false }`
[INFO] [stderr]    Compiling casuarius v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:627:32
[INFO] [stdout]     |
[INFO] [stdout] 627 | pub struct EditConstraintError(&'static str);
[INFO] [stdout]     |            ------------------- ^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `EditConstraintError` has derived impls for the traits `Clone` and `Debug`, but these are 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]    --> src/lib.rs:627:32
[INFO] [stdout]     |
[INFO] [stdout] 627 | pub struct EditConstraintError(&'static str);
[INFO] [stdout]     |            ------------------- ^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `EditConstraintError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "e7dee9ea189924cb6926e0b7c4d42ba983d76ac08f35031e2f56f68797649041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7dee9ea189924cb6926e0b7c4d42ba983d76ac08f35031e2f56f68797649041", kill_on_drop: false }`
[INFO] [stdout] e7dee9ea189924cb6926e0b7c4d42ba983d76ac08f35031e2f56f68797649041
[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=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] 8f7a8ba4c49d3b3ce9164de8652ed69108689745b9a7396a23cd1dd0524ff60b
[INFO] running `Command { std: "docker" "start" "-a" "8f7a8ba4c49d3b3ce9164de8652ed69108689745b9a7396a23cd1dd0524ff60b", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/lib.rs:627:32
[INFO] [stderr]     |
[INFO] [stderr] 627 | pub struct EditConstraintError(&'static str);
[INFO] [stderr]     |            ------------------- ^^^^^^^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `EditConstraintError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `casuarius` (lib) generated 1 warning
[INFO] [stderr] warning: `casuarius` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/casuarius-8badf6f13b353a5b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test derive_syntax::tests::can_do_ops ... ok
[INFO] [stdout] test tests::example ... ok
[INFO] [stdout] test tests::can_add_and_remove_constraints ... ok
[INFO] [stdout] test tests::neg_zero_sanity ... ok
[INFO] [stdout] test tests::lib_doctest_part_one ... ok
[INFO] [stdout] test tests::test_quadrilateral ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests casuarius
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 19) ... ignored
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f7a8ba4c49d3b3ce9164de8652ed69108689745b9a7396a23cd1dd0524ff60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7a8ba4c49d3b3ce9164de8652ed69108689745b9a7396a23cd1dd0524ff60b", kill_on_drop: false }`
[INFO] [stdout] 8f7a8ba4c49d3b3ce9164de8652ed69108689745b9a7396a23cd1dd0524ff60b