[INFO] cloning repository https://github.com/Tweakzx/blog_os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tweakzx/blog_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTweakzx%2Fblog_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTweakzx%2Fblog_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 713c18dda40c6ea11130966009b2eadbd777fbf5 [INFO] building Tweakzx/blog_os against try#9b5e8b16bd1c4acf4cf8e6880368314cf021a987+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTweakzx%2Fblog_os" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Tweakzx/blog_os on toolchain 9b5e8b16bd1c4acf4cf8e6880368314cf021a987 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/Tweakzx/blog_os [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/Tweakzx/blog_os [INFO] tweaked toml for git repo https://github.com/Tweakzx/blog_os written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Tweakzx/blog_os 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" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6f426e8d9602864afe6d8d6e3e8e166255b9aafc38b6fe5387f7ff348088d0c [INFO] running `Command { std: "docker" "start" "-a" "b6f426e8d9602864afe6d8d6e3e8e166255b9aafc38b6fe5387f7ff348088d0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6f426e8d9602864afe6d8d6e3e8e166255b9aafc38b6fe5387f7ff348088d0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6f426e8d9602864afe6d8d6e3e8e166255b9aafc38b6fe5387f7ff348088d0c", kill_on_drop: false }` [INFO] [stdout] b6f426e8d9602864afe6d8d6e3e8e166255b9aafc38b6fe5387f7ff348088d0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9b5e8b16bd1c4acf4cf8e6880368314cf021a987" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f2e5a0ebb886cdfbfd08734a77a51ee7927da0ea7a04ef9c259ad2b0e2c0b30 [INFO] running `Command { std: "docker" "start" "-a" "5f2e5a0ebb886cdfbfd08734a77a51ee7927da0ea7a04ef9c259ad2b0e2c0b30", kill_on_drop: false }` [INFO] [stderr] Compiling rustversion v1.0.11 [INFO] [stderr] Compiling bit_field v0.10.1 [INFO] [stderr] Compiling bootloader v0.9.23 [INFO] [stderr] Compiling volatile v0.4.5 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling volatile v0.2.7 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling x86_64 v0.14.10 [INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.10/src/addr.rs:348:51 [INFO] [stdout] | [INFO] [stdout] 348 | fn steps_between(start: &Self, end: &Self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ expected `(usize, Option)`, found `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> (usize, Option)` [INFO] [stdout] found signature `fn(&addr::VirtAddr, &addr::VirtAddr) -> Option` [INFO] [stdout] help: change the output type to match the trait [INFO] [stdout] | [INFO] [stdout] 348 | fn steps_between(start: &Self, end: &Self) -> (usize, Option) { [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `steps_between` has an incompatible type for trait [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.10/src/structures/paging/page.rs:272:51 [INFO] [stdout] | [INFO] [stdout] 272 | fn steps_between(start: &Self, end: &Self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ expected `(usize, Option)`, found `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected signature `fn(&Page<_>, &Page<_>) -> (usize, Option)` [INFO] [stdout] found signature `fn(&Page<_>, &Page<_>) -> Option` [INFO] [stdout] help: change the output type to match the trait [INFO] [stdout] | [INFO] [stdout] 272 | fn steps_between(start: &Self, end: &Self) -> (usize, Option) { [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: `(usize, Option)` is not an iterator [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/x86_64-0.14.10/src/structures/paging/page.rs:274:14 [INFO] [stdout] | [INFO] [stdout] 273 | / Step::steps_between(&start.start_address, &end.start_address) [INFO] [stdout] 274 | | .map(|steps| steps / S::SIZE as usize) [INFO] [stdout] | | -^^^ `(usize, Option)` is not an iterator [INFO] [stdout] | |_____________| [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `(usize, Option): Iterator` [INFO] [stdout] which is required by `&mut (usize, Option): Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: could not compile `x86_64` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "5f2e5a0ebb886cdfbfd08734a77a51ee7927da0ea7a04ef9c259ad2b0e2c0b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f2e5a0ebb886cdfbfd08734a77a51ee7927da0ea7a04ef9c259ad2b0e2c0b30", kill_on_drop: false }` [INFO] [stdout] 5f2e5a0ebb886cdfbfd08734a77a51ee7927da0ea7a04ef9c259ad2b0e2c0b30