[INFO] fetching crate cranelift-assembler-x64 0.121.1...
[INFO] checking cranelift-assembler-x64-0.121.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate cranelift-assembler-x64 0.121.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cranelift-assembler-x64 0.121.1
[INFO] finished tweaking crates.io crate cranelift-assembler-x64 0.121.1
[INFO] tweaked toml for crates.io crate cranelift-assembler-x64 0.121.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cranelift-assembler-x64 0.121.1 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 cranelift-assembler-x64 0.121.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift-srcgen v0.121.1
[INFO] [stderr]   Downloaded derive_arbitrary v1.4.0
[INFO] [stderr]   Downloaded arbtest v0.3.1
[INFO] [stderr]   Downloaded capstone v0.13.0
[INFO] [stderr]   Downloaded cranelift-assembler-x64-meta v0.121.1
[INFO] [stderr]   Downloaded capstone-sys v0.17.0
[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] 66903597cacf6e84efac1a047622a6b00ea9b606ec20c32d69b86d994cc78233
[INFO] running `Command { std: "docker" "start" "-a" "66903597cacf6e84efac1a047622a6b00ea9b606ec20c32d69b86d994cc78233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66903597cacf6e84efac1a047622a6b00ea9b606ec20c32d69b86d994cc78233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66903597cacf6e84efac1a047622a6b00ea9b606ec20c32d69b86d994cc78233", kill_on_drop: false }`
[INFO] [stdout] 66903597cacf6e84efac1a047622a6b00ea9b606ec20c32d69b86d994cc78233
[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] 01d516947027800bfa65eaba0ce352a8da48dbb605e4f117dc8be6ff54c6f235
[INFO] running `Command { std: "docker" "start" "-a" "01d516947027800bfa65eaba0ce352a8da48dbb605e4f117dc8be6ff54c6f235", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling cranelift-srcgen v0.121.1
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling cc v1.2.22
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.121.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.121.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling capstone-sys v0.17.0
[INFO] [stderr]    Compiling derive_arbitrary v1.4.0
[INFO] [stderr]     Checking arbitrary v1.4.1
[INFO] [stderr]     Checking arbtest v0.3.1
[INFO] [stderr]     Checking capstone v0.13.0
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fuzz.rs:190:35
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn replace_signed_immediates(dis: &str) -> std::borrow::Cow<str> {
[INFO] [stdout]     |                                   ^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn replace_signed_immediates(dis: &str) -> std::borrow::Cow<'_, str> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/fuzz.rs:266:16
[INFO] [stdout]     |
[INFO] [stdout] 266 | fn fix_up(dis: &str) -> std::borrow::Cow<str> {
[INFO] [stdout]     |                ^^^^     --------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 266 | fn fix_up(dis: &str) -> std::borrow::Cow<'_, str> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.33s
[INFO] running `Command { std: "docker" "inspect" "01d516947027800bfa65eaba0ce352a8da48dbb605e4f117dc8be6ff54c6f235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d516947027800bfa65eaba0ce352a8da48dbb605e4f117dc8be6ff54c6f235", kill_on_drop: false }`
[INFO] [stdout] 01d516947027800bfa65eaba0ce352a8da48dbb605e4f117dc8be6ff54c6f235