[INFO] fetching crate qubit-function 0.18.1...
[INFO] testing qubit-function-0.18.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate qubit-function 0.18.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate qubit-function 0.18.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate qubit-function 0.18.1
[INFO] tweaked toml for crates.io crate qubit-function 0.18.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qubit-function 0.18.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qubit-function 0.18.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:177:12
[INFO] [stderr]     |
[INFO] [stderr] 177 | homepage = "https://github.com/qubit-ltd/rs-function"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 | repository = "https://github.com/qubit-ltd/rs-function"
[INFO] [stderr]     |              ------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `qubit-function` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb
[INFO] running `Command { std: "docker" "start" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:177:12
[INFO] [stderr]     |
[INFO] [stderr] 177 | homepage = "https://github.com/qubit-ltd/rs-function"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 | repository = "https://github.com/qubit-ltd/rs-function"
[INFO] [stderr]     |              ------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `qubit-function` (manifest) generated 1 warning
[INFO] [stderr]    Compiling qubit-function v0.18.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:177:12
[INFO] [stderr]     |
[INFO] [stderr] 177 | homepage = "https://github.com/qubit-ltd/rs-function"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 | repository = "https://github.com/qubit-ltd/rs-function"
[INFO] [stderr]     |              ------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `qubit-function` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling qubit-function v0.18.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 6.49s
[INFO] running `Command { std: "docker" "inspect" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]    --> Cargo.toml:177:12
[INFO] [stderr]     |
[INFO] [stderr] 177 | homepage = "https://github.com/qubit-ltd/rs-function"
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 | repository = "https://github.com/qubit-ltd/rs-function"
[INFO] [stderr]     |              ------------------------------------------
[INFO] [stderr]     |
[INFO] [stderr]     = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `qubit-function` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/qubit-function/0bdfdc7a70b25f98/out/qubit_function-0bdfdc7a70b25f98)
[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] [stdout] 
[INFO] [stderr]      Running tests/arc_auto_trait_contract_tests.rs (/opt/rustwide/target/release/build/qubit-function/52d55171bf2fa69f/out/arc_auto_trait_contract_tests-52d55171bf2fa69f)
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/callback_metadata_contract_tests.rs (/opt/rustwide/target/release/build/qubit-function/652bed22f9c750c1/out/callback_metadata_contract_tests-652bed22f9c750c1)
[INFO] [stdout] test test_all_arc_wrapper_types_are_send_and_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_callback_metadata_contract_is_observable_through_box_function ... ok
[INFO] [stderr]      Running tests/callback_wrapper_contract_tests.rs (/opt/rustwide/target/release/build/qubit-function/0ddcb9c7e1b8ca26/out/callback_wrapper_contract_tests-0ddcb9c7e1b8ca26)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/example_manifest_tests.rs (/opt/rustwide/target/release/build/qubit-function/00bf5d0f3a25c73c/out/example_manifest_tests-00bf5d0f3a25c73c)
[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 2 tests
[INFO] [stdout] test all_example_files_are_listed_in_manifest ... ok
[INFO] [stdout] test all_manifest_examples_point_to_existing_files ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/feature_contract_discarded_callback_wrappers_trigger_unused_must_use_tests.rs (/opt/rustwide/target/release/build/qubit-function/ec06f5f286429dd1/out/feature_contract_discarded_callback_wrappers_trigger_unused_must_use_tests-ec06f5f286429dd1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_stored_callback_wrappers_satisfy_unused_must_use ... FAILED
[INFO] [stdout] test test_discarded_callback_wrappers_trigger_unused_must_use ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_stored_callback_wrappers_satisfy_unused_must_use stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_stored_callback_wrappers_satisfy_unused_must_use' (475) panicked at tests/feature_contract_discarded_callback_wrappers_trigger_unused_must_use_tests.rs:186:5:
[INFO] [stdout] status: exit status: 1
[INFO] [stdout] stdout:
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] info: syncing channel updates for 1.94.0-x86_64-unknown-linux-gnu
[INFO] [stdout] error: could not create temp file /opt/rustwide/rustup-home/tmp/6qzwf45j2aj3lkxg_file: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c8feb828d41 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5c8feb83d17a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5c8feb82d3cc - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5c8feb803b36 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5c8feb820ad9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5c8feb7bc220 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5c8feb820c92 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5c8feb803be2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5c8feb7fc7d9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5c8feb8047ed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5c8feb83d8ac - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5c8feb7aca82 - <feature_contract_discarded_callback_wrappers_trigger_unused_must_use_tests[a41064803235131c]::test_stored_callback_wrappers_satisfy_unused_must_use::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   12:     0x5c8feb7af66b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   13:     0x5c8feb7bc845 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   14:     0x5c8feb7b6134 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   15:     0x5c8feb7bf8d2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   16:     0x5c8feb8283bf - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   17:     0x710d73f87dfa - <unknown>
[INFO] [stdout]   18:     0x710d7401b3d4 - clone
[INFO] [stdout]   19:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- test_discarded_callback_wrappers_trigger_unused_must_use stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_discarded_callback_wrappers_trigger_unused_must_use' (474) panicked at tests/feature_contract_discarded_callback_wrappers_trigger_unused_must_use_tests.rs:127:5:
[INFO] [stdout] expected diagnostic containing "callback wrappers do nothing unless stored or invoked"
[INFO] [stdout] status: exit status: 1
[INFO] [stdout] stdout:
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] info: syncing channel updates for 1.94.0-x86_64-unknown-linux-gnu
[INFO] [stdout] error: could not create temp file /opt/rustwide/rustup-home/tmp/edtbminnoa8ugj01_file: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c8feb828d41 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5c8feb83d17a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5c8feb82d3cc - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5c8feb803b36 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5c8feb820ad9 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5c8feb7bc220 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5c8feb820c92 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5c8feb803be2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5c8feb7fc7d9 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5c8feb8047ed - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5c8feb83d8ac - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5c8feb7ad0ac - <feature_contract_discarded_callback_wrappers_trigger_unused_must_use_tests[a41064803235131c]::test_discarded_callback_wrappers_trigger_unused_must_use::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   12:     0x5c8feb7af66b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   13:     0x5c8feb7bc845 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   14:     0x5c8feb7b6134 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   15:     0x5c8feb7bf8d2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   16:     0x5c8feb8283bf - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   17:     0x710d73f87dfa - <unknown>
[INFO] [stdout]   18:     0x710d7401b3d4 - clone
[INFO] [stdout]   19:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_discarded_callback_wrappers_trigger_unused_must_use
[INFO] [stdout]     test_stored_callback_wrappers_satisfy_unused_must_use
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test feature_contract_discarded_callback_wrappers_trigger_unused_must_use_tests`
[INFO] running `Command { std: "docker" "inspect" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb", kill_on_drop: false }`
[INFO] [stdout] ec8a2c1826941ebcadec6067aca64a9231c8971f8eb69dc55ce1d7c9879dd1bb
