[INFO] fetching crate liblmod 0.2.0...
[INFO] testing liblmod-0.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate liblmod 0.2.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate liblmod 0.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6dd91f5bd433c172569a13bc39996062dc25f3ff46d2df2b30b50804ef02967
[INFO] running `Command { std: "docker" "start" "-a" "e6dd91f5bd433c172569a13bc39996062dc25f3ff46d2df2b30b50804ef02967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6dd91f5bd433c172569a13bc39996062dc25f3ff46d2df2b30b50804ef02967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6dd91f5bd433c172569a13bc39996062dc25f3ff46d2df2b30b50804ef02967", kill_on_drop: false }`
[INFO] [stdout] e6dd91f5bd433c172569a13bc39996062dc25f3ff46d2df2b30b50804ef02967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c31e7b47a223e171d159a7b90af2cf01a90cc770c91aa4e449faf6efa9140bca
[INFO] running `Command { std: "docker" "start" "-a" "c31e7b47a223e171d159a7b90af2cf01a90cc770c91aa4e449faf6efa9140bca", 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 0.31s
[INFO] running `Command { std: "docker" "inspect" "c31e7b47a223e171d159a7b90af2cf01a90cc770c91aa4e449faf6efa9140bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c31e7b47a223e171d159a7b90af2cf01a90cc770c91aa4e449faf6efa9140bca", kill_on_drop: false }`
[INFO] [stdout] c31e7b47a223e171d159a7b90af2cf01a90cc770c91aa4e449faf6efa9140bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6ba9c503b7f621b2d713edec00801b361a1b307e60db717785ba732aa752749
[INFO] running `Command { std: "docker" "start" "-a" "e6ba9c503b7f621b2d713edec00801b361a1b307e60db717785ba732aa752749", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e6ba9c503b7f621b2d713edec00801b361a1b307e60db717785ba732aa752749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ba9c503b7f621b2d713edec00801b361a1b307e60db717785ba732aa752749", kill_on_drop: false }`
[INFO] [stdout] e6ba9c503b7f621b2d713edec00801b361a1b307e60db717785ba732aa752749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e10f676c661e166c6339a178359e4535b689b0bec868d7d7034334b2a39f77f
[INFO] running `Command { std: "docker" "start" "-a" "6e10f676c661e166c6339a178359e4535b689b0bec868d7d7034334b2a39f77f", 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] [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]    Doc-tests liblmod
[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 - modprobe (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] test src/lib.rs - rmmod (line 180) ... ok
[INFO] [stdout] test src/lib.rs - load (line 35) ... ok
[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] 3 | 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] 4 | use std::io::Read;
[INFO] [stdout] 5 | 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] 3 | 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] 3 | 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] 7 | 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] 3 | 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 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6e10f676c661e166c6339a178359e4535b689b0bec868d7d7034334b2a39f77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e10f676c661e166c6339a178359e4535b689b0bec868d7d7034334b2a39f77f", kill_on_drop: false }`
[INFO] [stdout] 6e10f676c661e166c6339a178359e4535b689b0bec868d7d7034334b2a39f77f