[INFO] fetching crate cranelift-codegen-meta 0.75.0...
[INFO] testing cranelift-codegen-meta-0.75.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate cranelift-codegen-meta 0.75.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cranelift-codegen-meta 0.75.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cranelift-codegen-meta 0.75.0
[INFO] finished tweaking crates.io crate cranelift-codegen-meta 0.75.0
[INFO] tweaked toml for crates.io crate cranelift-codegen-meta 0.75.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f6e2693246497631fdaa4463303b5173f87970fa7d55d8296ec4ad297b7465a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f6e2693246497631fdaa4463303b5173f87970fa7d55d8296ec4ad297b7465a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f6e2693246497631fdaa4463303b5173f87970fa7d55d8296ec4ad297b7465a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6e2693246497631fdaa4463303b5173f87970fa7d55d8296ec4ad297b7465a", kill_on_drop: false }`
[INFO] [stdout] 7f6e2693246497631fdaa4463303b5173f87970fa7d55d8296ec4ad297b7465a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b92db1deba2e369b7ba9282c5ef46e154bd2ddb40f21311bc155ab183adc3aa4
[INFO] running `Command { std: "docker" "start" "-a" "b92db1deba2e369b7ba9282c5ef46e154bd2ddb40f21311bc155ab183adc3aa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.75.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `instructions`
[INFO] [stdout]   --> src/cdsl/isa.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub instructions: InstructionGroup,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.16s
[INFO] running `Command { std: "docker" "inspect" "b92db1deba2e369b7ba9282c5ef46e154bd2ddb40f21311bc155ab183adc3aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92db1deba2e369b7ba9282c5ef46e154bd2ddb40f21311bc155ab183adc3aa4", kill_on_drop: false }`
[INFO] [stdout] b92db1deba2e369b7ba9282c5ef46e154bd2ddb40f21311bc155ab183adc3aa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab33d7ddac1edd0c1165ab225494619a5e984f73f483212479860fe7a231e2d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ab33d7ddac1edd0c1165ab225494619a5e984f73f483212479860fe7a231e2d5", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `instructions`
[INFO] [stdout]   --> src/cdsl/isa.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub instructions: InstructionGroup,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.75.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `instructions`
[INFO] [stdout]   --> src/cdsl/isa.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub instructions: InstructionGroup,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "ab33d7ddac1edd0c1165ab225494619a5e984f73f483212479860fe7a231e2d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab33d7ddac1edd0c1165ab225494619a5e984f73f483212479860fe7a231e2d5", kill_on_drop: false }`
[INFO] [stdout] ab33d7ddac1edd0c1165ab225494619a5e984f73f483212479860fe7a231e2d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c72c1da83297a8fbe54d10f4ce3a1560aa299a1327e4bac0b477bd30a15d0afa
[INFO] running `Command { std: "docker" "start" "-a" "c72c1da83297a8fbe54d10f4ce3a1560aa299a1327e4bac0b477bd30a15d0afa", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `instructions`
[INFO] [stderr]   --> src/cdsl/isa.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub instructions: InstructionGroup,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cranelift-codegen-meta` (lib) generated 1 warning
[INFO] [stderr] warning: `cranelift-codegen-meta` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cranelift_codegen_meta-3b0f51c445226634)
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test cdsl::ast::tests::const_pool_iterates ... ok
[INFO] [stdout] test cdsl::ast::tests::const_pool_avoids_duplicates ... ok
[INFO] [stdout] test cdsl::ast::tests::const_pool_returns_var_names ... ok
[INFO] [stdout] test cdsl::instructions::test::ensure_bound_instructions_can_bind_immediates ... ok
[INFO] [stdout] test cdsl::instructions::test::ensure_bound_instructions_can_bind_lane_types ... ok
[INFO] [stdout] test cdsl::typevar::test_typevar_singleton ... ok
[INFO] [stdout] test cdsl::typevar::test_forward_images ... ok
[INFO] [stdout] test cdsl::typevar::test_backward_images ... ok
[INFO] [stdout] test cdsl::typevar::test_as_bool ... ok
[INFO] [stdout] test cdsl::tests::camel_case_works ... ok
[INFO] [stdout] test shared::types::iter_tests::float_iter_works ... ok
[INFO] [stdout] test shared::types::iter_tests::int_iter_works ... ok
[INFO] [stdout] test shared::types::iter_tests::flag_iter_works ... ok
[INFO] [stdout] test shared::types::iter_tests::reference_iter_works ... ok
[INFO] [stdout] test srcgen::srcgen_tests::adding_arms_works ... ok
[INFO] [stdout] test srcgen::srcgen_tests::fmt_can_add_doc_comments_with_empty_lines ... ok
[INFO] [stdout] test srcgen::srcgen_tests::fmt_can_add_indented_line ... ok
[INFO] [stdout] test srcgen::srcgen_tests::fmt_can_add_type_to_lines ... ok
[INFO] [stdout] test srcgen::srcgen_tests::fmt_can_add_doc_comments ... ok
[INFO] [stdout] test srcgen::srcgen_tests::formatter_basic_example_works ... ok
[INFO] [stdout] test srcgen::srcgen_tests::get_indent_works ... ok
[INFO] [stdout] test srcgen::srcgen_tests::match_with_catchall_order ... ok
[INFO] [stdout] test srcgen::srcgen_tests::parse_multiline_works ... ok
[INFO] [stdout] test unique_table::test_optimal_add ... ok
[INFO] [stdout] test unique_table::test_find_subsequence ... ok
[INFO] [stdout] test cdsl::typevar::test_typeset_singleton ... ok
[INFO] [stdout] test cdsl::typevar::test_typevar_builder ... ok
[INFO] [stdout] test cdsl::typevar::test_typevar_functions ... ok
[INFO] [stdout] test default_map::test_default ... ok
[INFO] [stdout] test shared::types::iter_tests::bool_iter_works ... ok
[INFO] [stdout] test cdsl::instructions::test::ensure_instructions_fail_to_bind_too_many_immediates - should panic ... ok
[INFO] [stdout] test cdsl::instructions::test::ensure_bound_instructions_fail_to_bind_too_many_types - should panic ... ok
[INFO] [stdout] test cdsl::instructions::test::ensure_instructions_fail_to_bind - should panic ... ok
[INFO] [stdout] test cdsl::typevar::test_typeset_singleton_panic_nonsingleton_types - should panic ... ok
[INFO] [stdout] test cdsl::typevar::test_typevar_builder_inverted_bounds_panic - should panic ... ok
[INFO] [stdout] test cdsl::xform::test_double_custom_legalization - should panic ... ok
[INFO] [stdout] test cdsl::typevar::test_typeset_singleton_panic_nonsingleton_lanes - should panic ... ok
[INFO] [stdout] test cdsl::typevar::test_typevar_builder_too_high_bound_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cranelift-codegen-meta
[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" "c72c1da83297a8fbe54d10f4ce3a1560aa299a1327e4bac0b477bd30a15d0afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72c1da83297a8fbe54d10f4ce3a1560aa299a1327e4bac0b477bd30a15d0afa", kill_on_drop: false }`
[INFO] [stdout] c72c1da83297a8fbe54d10f4ce3a1560aa299a1327e4bac0b477bd30a15d0afa