[INFO] cloning repository https://github.com/pawarherschel/piccolo-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pawarherschel/piccolo-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpawarherschel%2Fpiccolo-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpawarherschel%2Fpiccolo-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c187d92d43eaad0aac5ef0c565a88258ccc7424b
[INFO] checking pawarherschel/piccolo-test against master#c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpawarherschel%2Fpiccolo-test" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pawarherschel/piccolo-test on toolchain c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pawarherschel/piccolo-test
[INFO] finished tweaking git repo https://github.com/pawarherschel/piccolo-test
[INFO] tweaked toml for git repo https://github.com/pawarherschel/piccolo-test written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pawarherschel/piccolo-test 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" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gc-arena-derive v0.5.3
[INFO] [stderr]   Downloaded gc-arena v0.5.3
[INFO] [stderr]   Downloaded piccolo v0.3.3
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02f809519d7bf2c52393ed2da937954e9733fbc8ae883bbfbaddb06ad5d923c3
[INFO] running `Command { std: "docker" "start" "-a" "02f809519d7bf2c52393ed2da937954e9733fbc8ae883bbfbaddb06ad5d923c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02f809519d7bf2c52393ed2da937954e9733fbc8ae883bbfbaddb06ad5d923c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f809519d7bf2c52393ed2da937954e9733fbc8ae883bbfbaddb06ad5d923c3", kill_on_drop: false }`
[INFO] [stdout] 02f809519d7bf2c52393ed2da937954e9733fbc8ae883bbfbaddb06ad5d923c3
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b0c5b071cefe3b2e7aea26c195f52d7421352ad09e3f106ed36231c61e7819
[INFO] running `Command { std: "docker" "start" "-a" "77b0c5b071cefe3b2e7aea26c195f52d7421352ad09e3f106ed36231c61e7819", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling anyhow v1.0.97
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling gc-arena-derive v0.5.3
[INFO] [stderr]     Checking gc-arena v0.5.3
[INFO] [stderr]     Checking piccolo v0.3.3
[INFO] [stderr]     Checking piccolo-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `executor` is never read
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut executor = None;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/main.rs:31:57
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let ffi_meow = Callback::from_fn(&ctx, |ctx, execution, stack| {
[INFO] [stdout]    |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `execution`
[INFO] [stdout]   --> src/main.rs:31:62
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let ffi_meow = Callback::from_fn(&ctx, |ctx, execution, stack| {
[INFO] [stdout]    |                                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_execution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]   --> src/main.rs:31:73
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let ffi_meow = Callback::from_fn(&ctx, |ctx, execution, stack| {
[INFO] [stdout]    |                                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `execution`
[INFO] [stdout]   --> src/main.rs:36:61
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let ffi_add = Callback::from_fn(&ctx, |ctx, execution, mut stack| {
[INFO] [stdout]    |                                                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_execution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `executor` is never read
[INFO] [stdout]   --> src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut executor = None;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/main.rs:31:57
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let ffi_meow = Callback::from_fn(&ctx, |ctx, execution, stack| {
[INFO] [stdout]    |                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `execution`
[INFO] [stdout]   --> src/main.rs:31:62
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let ffi_meow = Callback::from_fn(&ctx, |ctx, execution, stack| {
[INFO] [stdout]    |                                                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_execution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stack`
[INFO] [stdout]   --> src/main.rs:31:73
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 let ffi_meow = Callback::from_fn(&ctx, |ctx, execution, stack| {
[INFO] [stdout]    |                                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `execution`
[INFO] [stdout]   --> src/main.rs:36:61
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let ffi_add = Callback::from_fn(&ctx, |ctx, execution, mut stack| {
[INFO] [stdout]    |                                                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_execution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.42s
[INFO] running `Command { std: "docker" "inspect" "77b0c5b071cefe3b2e7aea26c195f52d7421352ad09e3f106ed36231c61e7819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b0c5b071cefe3b2e7aea26c195f52d7421352ad09e3f106ed36231c61e7819", kill_on_drop: false }`
[INFO] [stdout] 77b0c5b071cefe3b2e7aea26c195f52d7421352ad09e3f106ed36231c61e7819