[INFO] cloning repository https://github.com/42yeah/rust-book-impls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/42yeah/rust-book-impls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42yeah%2Frust-book-impls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42yeah%2Frust-book-impls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e7f532c8fbfea3bc002200610071b035515aebd
[INFO] building 42yeah/rust-book-impls against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42yeah%2Frust-book-impls" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/42yeah/rust-book-impls on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/42yeah/rust-book-impls
[INFO] finished tweaking git repo https://github.com/42yeah/rust-book-impls
[INFO] tweaked toml for git repo https://github.com/42yeah/rust-book-impls written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/42yeah/rust-book-impls 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6362a64372a33af49e5d1b9824527691c56680345699d38b15e91ebb83473712
[INFO] running `Command { std: "docker" "start" "-a" "6362a64372a33af49e5d1b9824527691c56680345699d38b15e91ebb83473712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6362a64372a33af49e5d1b9824527691c56680345699d38b15e91ebb83473712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6362a64372a33af49e5d1b9824527691c56680345699d38b15e91ebb83473712", kill_on_drop: false }`
[INFO] [stdout] 6362a64372a33af49e5d1b9824527691c56680345699d38b15e91ebb83473712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55aad85b59b8d1fd6ddcc5d153e99e9db0fcb5f8aa60f2393892c4d9e4809fe4
[INFO] running `Command { std: "docker" "start" "-a" "55aad85b59b8d1fd6ddcc5d153e99e9db0fcb5f8aa60f2393892c4d9e4809fe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling http-server v0.1.0 (/opt/rustwide/workdir/http-server)
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]    Compiling ptr v0.1.0 (/opt/rustwide/workdir/ptr)
[INFO] [stderr]    Compiling area v0.1.0 (/opt/rustwide/workdir/area)
[INFO] [stderr]    Compiling dangerous v0.1.0 (/opt/rustwide/workdir/dangerous)
[INFO] [stderr]    Compiling pig-latin v0.1.0 (/opt/rustwide/workdir/pig-latin)
[INFO] [stderr]    Compiling state-pattern v0.1.0 (/opt/rustwide/workdir/state-pattern)
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir/concurrency)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir/playground)
[INFO] [stdout] warning: `extern` block uses type `str`, which is not FFI-safe
[INFO] [stdout]  --> dangerous/src/main.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn printf(fmt: &str);
[INFO] [stdout]   |                    ^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `*const u8` and a length instead
[INFO] [stdout]   = note: string slices have no C equivalent
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> dangerous/src/main.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |         println!("number: {}", NUMBER);
[INFO] [stdout]    |                                ^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> playground/src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let v = vecky!(1; 2; 3);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/rustwide/workdir/guessing-game)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "55aad85b59b8d1fd6ddcc5d153e99e9db0fcb5f8aa60f2393892c4d9e4809fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55aad85b59b8d1fd6ddcc5d153e99e9db0fcb5f8aa60f2393892c4d9e4809fe4", kill_on_drop: false }`
[INFO] [stdout] 55aad85b59b8d1fd6ddcc5d153e99e9db0fcb5f8aa60f2393892c4d9e4809fe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 031b369e1f77986b2e201b945a385b6cb4a2de5206ad89bbc31bcfc604685c28
[INFO] running `Command { std: "docker" "start" "-a" "031b369e1f77986b2e201b945a385b6cb4a2de5206ad89bbc31bcfc604685c28", kill_on_drop: false }`
[INFO] [stderr]    Compiling ptr v0.1.0 (/opt/rustwide/workdir/ptr)
[INFO] [stderr]    Compiling dangerous v0.1.0 (/opt/rustwide/workdir/dangerous)
[INFO] [stderr]    Compiling state-pattern v0.1.0 (/opt/rustwide/workdir/state-pattern)
[INFO] [stderr]    Compiling http-server v0.1.0 (/opt/rustwide/workdir/http-server)
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir/concurrency)
[INFO] [stderr]    Compiling area v0.1.0 (/opt/rustwide/workdir/area)
[INFO] [stderr]    Compiling pig-latin v0.1.0 (/opt/rustwide/workdir/pig-latin)
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/rustwide/workdir/playground)
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/rustwide/workdir/guessing-game)
[INFO] [stdout] warning: `extern` block uses type `str`, which is not FFI-safe
[INFO] [stdout]  --> dangerous/src/main.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn printf(fmt: &str);
[INFO] [stdout]   |                    ^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using `*const u8` and a length instead
[INFO] [stdout]   = note: string slices have no C equivalent
[INFO] [stdout]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> dangerous/src/main.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |         println!("number: {}", NUMBER);
[INFO] [stdout]    |                                ^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> playground/src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let v = vecky!(1; 2; 3);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `children` are never read
[INFO] [stdout]    --> ptr/src/lib.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         struct Node {
[INFO] [stdout]     |                ---- fields in this struct
[INFO] [stdout] 101 |             data: i32,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout] 102 |             children: RefCell<Vec<Rc<Node>>>,
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "031b369e1f77986b2e201b945a385b6cb4a2de5206ad89bbc31bcfc604685c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "031b369e1f77986b2e201b945a385b6cb4a2de5206ad89bbc31bcfc604685c28", kill_on_drop: false }`
[INFO] [stdout] 031b369e1f77986b2e201b945a385b6cb4a2de5206ad89bbc31bcfc604685c28
