[INFO] fetching crate blend_info 0.2.9... [INFO] checking blend_info-0.2.9 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate blend_info 0.2.9 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate blend_info 0.2.9 [INFO] finished tweaking crates.io crate blend_info 0.2.9 [INFO] tweaked toml for crates.io crate blend_info 0.2.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate blend_info 0.2.9 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate blend_info 0.2.9 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01402970c73ad16f8e92fc6b062f6f8507ef809e3e64c6102fa387a2d595341e [INFO] running `Command { std: "docker" "start" "-a" "01402970c73ad16f8e92fc6b062f6f8507ef809e3e64c6102fa387a2d595341e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01402970c73ad16f8e92fc6b062f6f8507ef809e3e64c6102fa387a2d595341e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01402970c73ad16f8e92fc6b062f6f8507ef809e3e64c6102fa387a2d595341e", kill_on_drop: false }` [INFO] [stdout] 01402970c73ad16f8e92fc6b062f6f8507ef809e3e64c6102fa387a2d595341e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07282c6bc9e96e7d76661963547979c1d0943d4a9d44f69c94b9b39601e38280 [INFO] running `Command { std: "docker" "start" "-a" "07282c6bc9e96e7d76661963547979c1d0943d4a9d44f69c94b9b39601e38280", kill_on_drop: false }` [INFO] [stderr] warning: only one of `license` or `license-file` is necessary [INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression. [INFO] [stderr] `license-file` should be used if the package uses a non-standard license. [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information. [INFO] [stderr] Compiling proc-macro2 v1.0.33 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking blend_info v0.2.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:731:32 [INFO] [stdout] | [INFO] [stdout] 731 | float_value = unsafe { mem::transmute(float_buf) }; [INFO] [stdout] | --------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:749:40 [INFO] [stdout] | [INFO] [stdout] 749 | float_values[i] = unsafe { mem::transmute(float_buf) }; [INFO] [stdout] | --------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:768:40 [INFO] [stdout] | [INFO] [stdout] 768 | float_values[i] = unsafe { mem::transmute(float_buf) }; [INFO] [stdout] | --------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:787:40 [INFO] [stdout] | [INFO] [stdout] 787 | float_values[i] = unsafe { mem::transmute(float_buf) }; [INFO] [stdout] | --------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:824:41 [INFO] [stdout] | [INFO] [stdout] 824 | let mat: f32 = unsafe { mem::transmute(mat_buf) }; [INFO] [stdout] | --------------^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:731:32 [INFO] [stdout] | [INFO] [stdout] 731 | float_value = unsafe { mem::transmute(float_buf) }; [INFO] [stdout] | --------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:749:40 [INFO] [stdout] | [INFO] [stdout] 749 | float_values[i] = unsafe { mem::transmute(float_buf) }; [INFO] [stdout] | --------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:768:40 [INFO] [stdout] | [INFO] [stdout] 768 | float_values[i] = unsafe { mem::transmute(float_buf) }; [INFO] [stdout] | --------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:787:40 [INFO] [stdout] | [INFO] [stdout] 787 | float_values[i] = unsafe { mem::transmute(float_buf) }; [INFO] [stdout] | --------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:824:41 [INFO] [stdout] | [INFO] [stdout] 824 | let mat: f32 = unsafe { mem::transmute(mat_buf) }; [INFO] [stdout] | --------------^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/blend_info.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / /// Print information about a particular struct [INFO] [stdout] 23 | | #[structopt(short = "n", long = "struct_name")] [INFO] [stdout] 24 | | struct_name: Option, [INFO] [stdout] | |_______________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/bin/blend_info.rs:262:62 [INFO] [stdout] | [INFO] [stdout] 262 | ... unsafe { mem::transmute(float_buf) }; [INFO] [stdout] | --------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blend_info` (bin "blend_info" test) due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/blend_info.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | / /// Print information about a particular struct [INFO] [stdout] 23 | | #[structopt(short = "n", long = "struct_name")] [INFO] [stdout] 24 | | struct_name: Option, [INFO] [stdout] | |_______________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/bin/blend_info.rs:262:62 [INFO] [stdout] | [INFO] [stdout] 262 | ... unsafe { mem::transmute(float_buf) }; [INFO] [stdout] | --------------^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blend_info` (bin "blend_info") due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "07282c6bc9e96e7d76661963547979c1d0943d4a9d44f69c94b9b39601e38280", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07282c6bc9e96e7d76661963547979c1d0943d4a9d44f69c94b9b39601e38280", kill_on_drop: false }` [INFO] [stdout] 07282c6bc9e96e7d76661963547979c1d0943d4a9d44f69c94b9b39601e38280