[INFO] cloning repository https://github.com/lcfr-eth/rust-ret2usr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lcfr-eth/rust-ret2usr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcfr-eth%2Frust-ret2usr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcfr-eth%2Frust-ret2usr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dee067ff8e8bd6461f1566b0f886a2ec6c92548f
[INFO] checking lcfr-eth/rust-ret2usr against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcfr-eth%2Frust-ret2usr" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lcfr-eth/rust-ret2usr
[INFO] finished tweaking git repo https://github.com/lcfr-eth/rust-ret2usr
[INFO] tweaked toml for git repo https://github.com/lcfr-eth/rust-ret2usr written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lcfr-eth/rust-ret2usr on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lcfr-eth/rust-ret2usr 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eefa3e41253e4a42705d767761c8bca5017b0e2021b17c0861946cc4adeae65
[INFO] running `Command { std: "docker" "start" "-a" "5eefa3e41253e4a42705d767761c8bca5017b0e2021b17c0861946cc4adeae65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eefa3e41253e4a42705d767761c8bca5017b0e2021b17c0861946cc4adeae65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eefa3e41253e4a42705d767761c8bca5017b0e2021b17c0861946cc4adeae65", kill_on_drop: false }`
[INFO] [stdout] 5eefa3e41253e4a42705d767761c8bca5017b0e2021b17c0861946cc4adeae65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ab338255de9408a6ad578c790ce04597f715180dbfb003e789eb784964c8fa4
[INFO] running `Command { std: "docker" "start" "-a" "0ab338255de9408a6ad578c790ce04597f715180dbfb003e789eb784964c8fa4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking anstyle-query v1.0.3
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking userland v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[no_mangle]` attribute may not be used in combination with `#[export_name]`
[INFO] [stdout]   --> src/main.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | #[no_mangle]
[INFO] [stdout]    | ^^^^^^^^^^^^ `#[no_mangle]` is ignored
[INFO] [stdout]    |
[INFO] [stdout] note: `#[export_name]` takes precedence
[INFO] [stdout]   --> src/main.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[export_name = "spawn_shell"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove the `#[no_mangle]` attribute
[INFO] [stdout]    |
[INFO] [stdout] 59 - #[no_mangle]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[no_mangle]` attribute may not be used in combination with `#[export_name]`
[INFO] [stdout]   --> src/main.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | #[no_mangle]
[INFO] [stdout]    | ^^^^^^^^^^^^ `#[no_mangle]` is ignored
[INFO] [stdout]    |
[INFO] [stdout] note: `#[export_name]` takes precedence
[INFO] [stdout]   --> src/main.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | #[export_name = "spawn_shell"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove the `#[no_mangle]` attribute
[INFO] [stdout]    |
[INFO] [stdout] 59 - #[no_mangle]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `naked_functions` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(naked_functions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `naked_functions` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(naked_functions)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.46s
[INFO] running `Command { std: "docker" "inspect" "0ab338255de9408a6ad578c790ce04597f715180dbfb003e789eb784964c8fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab338255de9408a6ad578c790ce04597f715180dbfb003e789eb784964c8fa4", kill_on_drop: false }`
[INFO] [stdout] 0ab338255de9408a6ad578c790ce04597f715180dbfb003e789eb784964c8fa4