[INFO] fetching crate smallbox2 0.1.0... [INFO] checking smallbox2-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate smallbox2 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate smallbox2 0.1.0 [INFO] finished tweaking crates.io crate smallbox2 0.1.0 [INFO] tweaked toml for crates.io crate smallbox2 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate smallbox2 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87286558b3463ae1919582e642b2e104cd06d6d5aff7f3faa617a4b11909d953 [INFO] running `Command { std: "docker" "start" "-a" "87286558b3463ae1919582e642b2e104cd06d6d5aff7f3faa617a4b11909d953", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87286558b3463ae1919582e642b2e104cd06d6d5aff7f3faa617a4b11909d953", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87286558b3463ae1919582e642b2e104cd06d6d5aff7f3faa617a4b11909d953", kill_on_drop: false }` [INFO] [stdout] 87286558b3463ae1919582e642b2e104cd06d6d5aff7f3faa617a4b11909d953 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f872964fbd74f3c4ece0776d8841feda60cbacc4792f38909e4d2097d770c86 [INFO] running `Command { std: "docker" "start" "-a" "7f872964fbd74f3c4ece0776d8841feda60cbacc4792f38909e4d2097d770c86", kill_on_drop: false }` [INFO] [stderr] Checking smallbox2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: calling this function with a null pointer is undefined behavior, even if the result of the function is unused [INFO] [stdout] --> src/smallbox.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | unsafe { core::slice::from_raw_parts_mut(core::ptr::null_mut::(), 0) as *mut [u8] }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------------^^^^ [INFO] [stdout] | | [INFO] [stdout] | null pointer originates from here [INFO] [stdout] | [INFO] [stdout] = help: for more information, visit and [INFO] [stdout] = note: `#[deny(invalid_null_arguments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smallbox2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: calling this function with a null pointer is undefined behavior, even if the result of the function is unused [INFO] [stdout] --> src/smallbox.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | unsafe { core::slice::from_raw_parts_mut(core::ptr::null_mut::(), 0) as *mut [u8] }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------------------^^^^ [INFO] [stdout] | | [INFO] [stdout] | null pointer originates from here [INFO] [stdout] | [INFO] [stdout] = help: for more information, visit and [INFO] [stdout] = note: `#[deny(invalid_null_arguments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `smallbox2` (lib test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "7f872964fbd74f3c4ece0776d8841feda60cbacc4792f38909e4d2097d770c86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f872964fbd74f3c4ece0776d8841feda60cbacc4792f38909e4d2097d770c86", kill_on_drop: false }` [INFO] [stdout] 7f872964fbd74f3c4ece0776d8841feda60cbacc4792f38909e4d2097d770c86