[INFO] fetching crate liblmod 0.2.0...
[INFO] testing liblmod-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate liblmod 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate liblmod 0.2.0
[INFO] finished tweaking crates.io crate liblmod 0.2.0
[INFO] tweaked toml for crates.io crate liblmod 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate liblmod 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79b8d9d0c3bd8dcafa7976b9191070f2de6189fbbb8fc7257a4e1d7d66e37398
[INFO] running `Command { std: "docker" "start" "-a" "79b8d9d0c3bd8dcafa7976b9191070f2de6189fbbb8fc7257a4e1d7d66e37398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79b8d9d0c3bd8dcafa7976b9191070f2de6189fbbb8fc7257a4e1d7d66e37398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b8d9d0c3bd8dcafa7976b9191070f2de6189fbbb8fc7257a4e1d7d66e37398", kill_on_drop: false }`
[INFO] [stdout] 79b8d9d0c3bd8dcafa7976b9191070f2de6189fbbb8fc7257a4e1d7d66e37398
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f97884ea3ed6e6bf4dd90d6e8da318f8e93204a9553e3683187ddfc5b53b384f
[INFO] running `Command { std: "docker" "start" "-a" "f97884ea3ed6e6bf4dd90d6e8da318f8e93204a9553e3683187ddfc5b53b384f", kill_on_drop: false }`
[INFO] [stderr]    Compiling liblmod v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries`
[INFO] [stdout]   --> src/module_libc.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries`
[INFO] [stdout]   --> src/module_libc.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f97884ea3ed6e6bf4dd90d6e8da318f8e93204a9553e3683187ddfc5b53b384f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97884ea3ed6e6bf4dd90d6e8da318f8e93204a9553e3683187ddfc5b53b384f", kill_on_drop: false }`
[INFO] [stdout] f97884ea3ed6e6bf4dd90d6e8da318f8e93204a9553e3683187ddfc5b53b384f
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160c361c0122d929f0d67d493875e8980ff2482740faa8298989e33315ae86c2
[INFO] running `Command { std: "docker" "start" "-a" "160c361c0122d929f0d67d493875e8980ff2482740faa8298989e33315ae86c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling liblmod v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries`
[INFO] [stdout]   --> src/module_libc.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries`
[INFO] [stdout]   --> src/module_libc.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries`
[INFO] [stdout]   --> src/module_libc.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries`
[INFO] [stdout]   --> src/module_libc.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "160c361c0122d929f0d67d493875e8980ff2482740faa8298989e33315ae86c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160c361c0122d929f0d67d493875e8980ff2482740faa8298989e33315ae86c2", kill_on_drop: false }`
[INFO] [stdout] 160c361c0122d929f0d67d493875e8980ff2482740faa8298989e33315ae86c2
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aaf8f4ff31a9e506a9d637c1cb8399070fac1240d8759f57daf576bed55551ab
[INFO] running `Command { std: "docker" "start" "-a" "aaf8f4ff31a9e506a9d637c1cb8399070fac1240d8759f57daf576bed55551ab", kill_on_drop: false }`
[INFO] [stderr] warning: lint `temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries`
[INFO] [stderr]   --> src/module_libc.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries`
[INFO] [stderr]   --> src/module_libc.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries`
[INFO] [stderr] 
[INFO] [stderr] warning: `liblmod` (lib) generated 2 warnings (run `cargo fix --lib -p liblmod` to apply 2 suggestions)
[INFO] [stderr] warning: `liblmod` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liblmod-ab52e5b449fd1794)
[INFO] [stderr]    Doc-tests liblmod
[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] [stderr] warning: lint `temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries`
[INFO] [stderr]   --> src/module_libc.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `temporary_cstring_as_ptr` has been renamed to `dangling_pointers_from_temporaries`
[INFO] [stderr]   --> src/module_libc.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[allow(temporary_cstring_as_ptr)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dangling_pointers_from_temporaries`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/loader.rs - loader::load (line 6) ... FAILED
[INFO] [stdout] test src/lib.rs - load (line 35) ... ok
[INFO] [stdout] test src/lib.rs - rmmod (line 180) ... ok
[INFO] [stdout] test src/lib.rs - modprobe (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/loader.rs - loader::load (line 6) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]  --> src/loader.rs:9:72
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_loader_rs_6_0() {
[INFO] [stdout]   |                                      ------------------------------------ this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 8 | use std::io::Read;
[INFO] [stdout] 9 | let mut file = std::fs::File::open(std::path::Path::new("./module.ko"))?;
[INFO] [stdout]   |                                                                        ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_loader_rs_6_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |                                                                           +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/loader.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_loader_rs_6_0() {
[INFO] [stdout]    |                                      ------------------------------------ this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 11 | file.read_to_end(&mut image)?;
[INFO] [stdout]    |                             ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_loader_rs_6_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                           +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stdout:
[INFO] [stdout] Unloading module kvm
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 1, kind: PermissionDenied, message: "Operation not permitted" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout]     src/loader.rs - loader::load (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "aaf8f4ff31a9e506a9d637c1cb8399070fac1240d8759f57daf576bed55551ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf8f4ff31a9e506a9d637c1cb8399070fac1240d8759f57daf576bed55551ab", kill_on_drop: false }`
[INFO] [stdout] aaf8f4ff31a9e506a9d637c1cb8399070fac1240d8759f57daf576bed55551ab