[INFO] fetching crate cafebabe 0.5.0...
[INFO] testing cafebabe-0.5.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate cafebabe 0.5.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cafebabe 0.5.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cafebabe 0.5.0
[INFO] finished tweaking crates.io crate cafebabe 0.5.0
[INFO] tweaked toml for crates.io crate cafebabe 0.5.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate cafebabe 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 884ba791ea62216aadc4771679ee33861bc4bcc59c41307d4c256a4d7589757d
[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" "884ba791ea62216aadc4771679ee33861bc4bcc59c41307d4c256a4d7589757d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "884ba791ea62216aadc4771679ee33861bc4bcc59c41307d4c256a4d7589757d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884ba791ea62216aadc4771679ee33861bc4bcc59c41307d4c256a4d7589757d", kill_on_drop: false }`
[INFO] [stdout] 884ba791ea62216aadc4771679ee33861bc4bcc59c41307d4c256a4d7589757d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 971af40c885ef8c66202400d8d98ed10d89cfa989cfa02587024cdd88b2fc97e
[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" "971af40c885ef8c66202400d8d98ed10d89cfa989cfa02587024cdd88b2fc97e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling cafebabe v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `attr_index`
[INFO] [stdout]    --> src/constant_pool.rs:907:5
[INFO] [stdout]     |
[INFO] [stdout] 907 |     attr_index: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_and_type`
[INFO] [stdout]    --> src/constant_pool.rs:908:5
[INFO] [stdout]     |
[INFO] [stdout] 908 |     name_and_type: NameAndType<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.87s
[INFO] running `Command { std: "docker" "inspect" "971af40c885ef8c66202400d8d98ed10d89cfa989cfa02587024cdd88b2fc97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971af40c885ef8c66202400d8d98ed10d89cfa989cfa02587024cdd88b2fc97e", kill_on_drop: false }`
[INFO] [stdout] 971af40c885ef8c66202400d8d98ed10d89cfa989cfa02587024cdd88b2fc97e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51a127a2cbaca9ed0da2c347f8b272f66e0a5edb76380355b6d446d97b81725b
[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" "51a127a2cbaca9ed0da2c347f8b272f66e0a5edb76380355b6d446d97b81725b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cafebabe v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `attr_index`
[INFO] [stdout]    --> src/constant_pool.rs:907:5
[INFO] [stdout]     |
[INFO] [stdout] 907 |     attr_index: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_and_type`
[INFO] [stdout]    --> src/constant_pool.rs:908:5
[INFO] [stdout]     |
[INFO] [stdout] 908 |     name_and_type: NameAndType<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attr_index`
[INFO] [stdout]    --> src/constant_pool.rs:907:5
[INFO] [stdout]     |
[INFO] [stdout] 907 |     attr_index: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name_and_type`
[INFO] [stdout]    --> src/constant_pool.rs:908:5
[INFO] [stdout]     |
[INFO] [stdout] 908 |     name_and_type: NameAndType<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "51a127a2cbaca9ed0da2c347f8b272f66e0a5edb76380355b6d446d97b81725b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a127a2cbaca9ed0da2c347f8b272f66e0a5edb76380355b6d446d97b81725b", kill_on_drop: false }`
[INFO] [stdout] 51a127a2cbaca9ed0da2c347f8b272f66e0a5edb76380355b6d446d97b81725b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9f4e0d2cf4c4b8e8698c44a21af58bf7eb923964959732e3c65b473b5a53ad63
[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" "9f4e0d2cf4c4b8e8698c44a21af58bf7eb923964959732e3c65b473b5a53ad63", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `attr_index`
[INFO] [stdout] running 16 tests
[INFO] [stderr]    --> src/constant_pool.rs:907:5
[INFO] [stdout] test bytecode::tests::test_get_opcode ... ok
[INFO] [stderr]     |
[INFO] [stderr] 907 |     attr_index: u16,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name_and_type`
[INFO] [stderr]    --> src/constant_pool.rs:908:5
[INFO] [stderr]     |
[INFO] [stderr] 908 |     name_and_type: NameAndType<'a>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cafebabe` (lib) generated 2 warnings
[INFO] [stderr] warning: `cafebabe` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cafebabe-c388d6c8692ead27)
[INFO] [stdout] test constant_pool::tests::test_validate_field_ref ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_interface_method_ref ... ok
[INFO] [stdout] test names::tests::test_method_descriptors ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_dynamic ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_invoke_package_info ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_class_info ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_invoke_dynamic ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_method_ref ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_name_and_type ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_string ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_method_type ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_module_info ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_trivial ... ok
[INFO] [stdout] test names::tests::test_field_descriptors ... ok
[INFO] [stdout] test constant_pool::tests::test_validate_method_handle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cafebabe
[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" "9f4e0d2cf4c4b8e8698c44a21af58bf7eb923964959732e3c65b473b5a53ad63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4e0d2cf4c4b8e8698c44a21af58bf7eb923964959732e3c65b473b5a53ad63", kill_on_drop: false }`
[INFO] [stdout] 9f4e0d2cf4c4b8e8698c44a21af58bf7eb923964959732e3c65b473b5a53ad63