[INFO] fetching crate webassembly 0.8.2...
[INFO] checking webassembly-0.8.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate webassembly 0.8.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate webassembly 0.8.2
[INFO] finished tweaking crates.io crate webassembly 0.8.2
[INFO] tweaked toml for crates.io crate webassembly 0.8.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate webassembly 0.8.2 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] 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bf8213055228862db7585a042a89fe35d630e1f8470ae81fbccadd091b69a824
[INFO] running `Command { std: "docker" "start" "-a" "bf8213055228862db7585a042a89fe35d630e1f8470ae81fbccadd091b69a824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf8213055228862db7585a042a89fe35d630e1f8470ae81fbccadd091b69a824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8213055228862db7585a042a89fe35d630e1f8470ae81fbccadd091b69a824", kill_on_drop: false }`
[INFO] [stdout] bf8213055228862db7585a042a89fe35d630e1f8470ae81fbccadd091b69a824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6085d86fb4b1c2b8e0bda1862a41c6078ef6b04c92ac9dccc9737fc078de88c1
[INFO] running `Command { std: "docker" "start" "-a" "6085d86fb4b1c2b8e0bda1862a41c6078ef6b04c92ac9dccc9737fc078de88c1", kill_on_drop: false }`
[INFO] [stderr]     Checking webassembly v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:300:43
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let raw_bytes: [u8; 8] = unsafe { core::mem::transmute(*self) };
[INFO] [stdout]     |                                           --------------------^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: replace this with: `f64::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_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:308:43
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let raw_bytes: [u8; 4] = unsafe { core::mem::transmute(*self) };
[INFO] [stdout]     |                                           --------------------^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:328:31
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let r: f32 = unsafe { core::mem::transmute(raw_bytes) };
[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:339:31
[INFO] [stdout]     |
[INFO] [stdout] 339 |         let r: f64 = unsafe { core::mem::transmute(raw_bytes) };
[INFO] [stdout]     |                               --------------------^^^^^^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: replace this with: `f64::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:300:43
[INFO] [stdout]     |
[INFO] [stdout] 300 |         let raw_bytes: [u8; 8] = unsafe { core::mem::transmute(*self) };
[INFO] [stdout]     |                                           --------------------^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: replace this with: `f64::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_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:308:43
[INFO] [stdout]     |
[INFO] [stdout] 308 |         let raw_bytes: [u8; 4] = unsafe { core::mem::transmute(*self) };
[INFO] [stdout]     |                                           --------------------^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: replace this with: `f32::to_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:328:31
[INFO] [stdout]     |
[INFO] [stdout] 328 |         let r: f32 = unsafe { core::mem::transmute(raw_bytes) };
[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:339:31
[INFO] [stdout]     |
[INFO] [stdout] 339 |         let r: f64 = unsafe { core::mem::transmute(raw_bytes) };
[INFO] [stdout]     |                               --------------------^^^^^^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: replace this with: `f64::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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "6085d86fb4b1c2b8e0bda1862a41c6078ef6b04c92ac9dccc9737fc078de88c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6085d86fb4b1c2b8e0bda1862a41c6078ef6b04c92ac9dccc9737fc078de88c1", kill_on_drop: false }`
[INFO] [stdout] 6085d86fb4b1c2b8e0bda1862a41c6078ef6b04c92ac9dccc9737fc078de88c1