[INFO] fetching crate test_cp_first_lib 0.1.0... [INFO] checking test_cp_first_lib-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate test_cp_first_lib 0.1.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate test_cp_first_lib 0.1.0 [INFO] finished tweaking crates.io crate test_cp_first_lib 0.1.0 [INFO] tweaked toml for crates.io crate test_cp_first_lib 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate test_cp_first_lib 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] crate crates.io crate test_cp_first_lib 0.1.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 44f299c014f6fd03640ce500839af18fd52fb7f022ba66ccec4fdf50a0e46a3b [INFO] running `Command { std: "docker" "start" "-a" "44f299c014f6fd03640ce500839af18fd52fb7f022ba66ccec4fdf50a0e46a3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "44f299c014f6fd03640ce500839af18fd52fb7f022ba66ccec4fdf50a0e46a3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "44f299c014f6fd03640ce500839af18fd52fb7f022ba66ccec4fdf50a0e46a3b", kill_on_drop: false }` [INFO] [stdout] 44f299c014f6fd03640ce500839af18fd52fb7f022ba66ccec4fdf50a0e46a3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5e4f8c161c58e3c6bfe1f168ae198dd37f28895671821c1e716967dcda9deef7 [INFO] running `Command { std: "docker" "start" "-a" "5e4f8c161c58e3c6bfe1f168ae198dd37f28895671821c1e716967dcda9deef7", kill_on_drop: false }` [INFO] [stderr] Checking test_cp_first_lib v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning[E0133]: dereference of raw pointer is unsafe and requires unsafe block [INFO] [stdout] --> src/lib.rs:115:10 [INFO] [stdout] | [INFO] [stdout] 115 | &mut *ptr [INFO] [stdout] | ^^^^ dereference of raw pointer [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior [INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default [INFO] [stdout] --> src/lib.rs:114:1 [INFO] [stdout] | [INFO] [stdout] 114 | pub unsafe fn ptr_to_mut_ref(ptr: *mut i32) -> &'static mut i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unsafe_op_in_unsafe_fn)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:178:16 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib.rs:178:34 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> src/lib.rs:147:5 [INFO] [stdout] | [INFO] [stdout] 146 | pub struct Person { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 147 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 148 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0133`. [INFO] [stdout] [INFO] [stdout] warning[E0133]: dereference of raw pointer is unsafe and requires unsafe block [INFO] [stdout] --> src/lib.rs:115:10 [INFO] [stdout] | [INFO] [stdout] 115 | &mut *ptr [INFO] [stdout] | ^^^^ dereference of raw pointer [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior [INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default [INFO] [stdout] --> src/lib.rs:114:1 [INFO] [stdout] | [INFO] [stdout] 114 | pub unsafe fn ptr_to_mut_ref(ptr: *mut i32) -> &'static mut i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unsafe_op_in_unsafe_fn)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib.rs:178:16 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib.rs:178:34 [INFO] [stdout] | [INFO] [stdout] 178 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> src/lib.rs:147:5 [INFO] [stdout] | [INFO] [stdout] 146 | pub struct Person { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 147 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 148 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0133`. [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let a = PrimaryColor::Red; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let a = PrimaryColor::Red; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] running `Command { std: "docker" "inspect" "5e4f8c161c58e3c6bfe1f168ae198dd37f28895671821c1e716967dcda9deef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e4f8c161c58e3c6bfe1f168ae198dd37f28895671821c1e716967dcda9deef7", kill_on_drop: false }` [INFO] [stdout] 5e4f8c161c58e3c6bfe1f168ae198dd37f28895671821c1e716967dcda9deef7