[INFO] cloning repository https://github.com/f-a24/math-algorithm-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/f-a24/math-algorithm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff-a24%2Fmath-algorithm-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff-a24%2Fmath-algorithm-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1eeb5a1b3c0cc24c156df8b2c890029d53c2c6d4
[INFO] building f-a24/math-algorithm-rust against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff-a24%2Fmath-algorithm-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/f-a24/math-algorithm-rust 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/f-a24/math-algorithm-rust
[INFO] finished tweaking git repo https://github.com/f-a24/math-algorithm-rust
[INFO] tweaked toml for git repo https://github.com/f-a24/math-algorithm-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/f-a24/math-algorithm-rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 532dd85f8d063866f74cbaa6c81eaf749f882745f8986e4501e3960578c64111
[INFO] running `Command { std: "docker" "start" "-a" "532dd85f8d063866f74cbaa6c81eaf749f882745f8986e4501e3960578c64111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "532dd85f8d063866f74cbaa6c81eaf749f882745f8986e4501e3960578c64111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532dd85f8d063866f74cbaa6c81eaf749f882745f8986e4501e3960578c64111", kill_on_drop: false }`
[INFO] [stdout] 532dd85f8d063866f74cbaa6c81eaf749f882745f8986e4501e3960578c64111
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] db5664c8bf9b0bbb4bf750b0259b5db52a2ed5f4023a528bc5a9b436e3ab5826
[INFO] running `Command { std: "docker" "start" "-a" "db5664c8bf9b0bbb4bf750b0259b5db52a2ed5f4023a528bc5a9b436e3ab5826", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proconio v0.3.8
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling math-algorithm-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/chapter3/codes/code06_6.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | fn func(n: i32) -> i32 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 10 |     func(n - 1) * n
[INFO] [stdout]    |     ----------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `Command { std: "docker" "inspect" "db5664c8bf9b0bbb4bf750b0259b5db52a2ed5f4023a528bc5a9b436e3ab5826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db5664c8bf9b0bbb4bf750b0259b5db52a2ed5f4023a528bc5a9b436e3ab5826", kill_on_drop: false }`
[INFO] [stdout] db5664c8bf9b0bbb4bf750b0259b5db52a2ed5f4023a528bc5a9b436e3ab5826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 52dd61233988073642f819a75aa7af8df1fb8e4478ccd44ff9030749b9e7fec1
[INFO] running `Command { std: "docker" "start" "-a" "52dd61233988073642f819a75aa7af8df1fb8e4478ccd44ff9030749b9e7fec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-algorithm-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/chapter3/codes/code06_6.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | fn func(n: i32) -> i32 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 10 |     func(n - 1) * n
[INFO] [stdout]    |     ----------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.24s
[INFO] running `Command { std: "docker" "inspect" "52dd61233988073642f819a75aa7af8df1fb8e4478ccd44ff9030749b9e7fec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52dd61233988073642f819a75aa7af8df1fb8e4478ccd44ff9030749b9e7fec1", kill_on_drop: false }`
[INFO] [stdout] 52dd61233988073642f819a75aa7af8df1fb8e4478ccd44ff9030749b9e7fec1
