[INFO] cloning repository https://github.com/xh20220630/rust-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xh20220630/rust-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxh20220630%2Frust-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxh20220630%2Frust-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 166b5c53a506b3308050be13337ddd708d9732ba
[INFO] building xh20220630/rust-project against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxh20220630%2Frust-project" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xh20220630/rust-project on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xh20220630/rust-project
[INFO] finished tweaking git repo https://github.com/xh20220630/rust-project
[INFO] tweaked toml for git repo https://github.com/xh20220630/rust-project written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xh20220630/rust-project 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ddddec311b3e249cbb890ab70abb42857ff7ff014f6eaf42cf8d6871b722bdb
[INFO] running `Command { std: "docker" "start" "-a" "6ddddec311b3e249cbb890ab70abb42857ff7ff014f6eaf42cf8d6871b722bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ddddec311b3e249cbb890ab70abb42857ff7ff014f6eaf42cf8d6871b722bdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ddddec311b3e249cbb890ab70abb42857ff7ff014f6eaf42cf8d6871b722bdb", kill_on_drop: false }`
[INFO] [stdout] 6ddddec311b3e249cbb890ab70abb42857ff7ff014f6eaf42cf8d6871b722bdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3a4eff677c16c52a4dbbdbc70fb1e313807901c3aeb2207db4208cc69adf8f4
[INFO] running `Command { std: "docker" "start" "-a" "c3a4eff677c16c52a4dbbdbc70fb1e313807901c3aeb2207db4208cc69adf8f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling world_hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/composite_type/tuple/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let x = (500, 6.4, 1);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `printTuple` should have a snake case name
[INFO] [stdout]  --> src/composite_type/tuple/mod.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn printTuple() {
[INFO] [stdout]   |    ^^^^^^^^^^ help: convert the identifier to snake case: `print_tuple`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "c3a4eff677c16c52a4dbbdbc70fb1e313807901c3aeb2207db4208cc69adf8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a4eff677c16c52a4dbbdbc70fb1e313807901c3aeb2207db4208cc69adf8f4", kill_on_drop: false }`
[INFO] [stdout] c3a4eff677c16c52a4dbbdbc70fb1e313807901c3aeb2207db4208cc69adf8f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5491c1a15a8d0f06b083f3bfbab541f7769ae88e13eae7da5fd099c490aa6923
[INFO] running `Command { std: "docker" "start" "-a" "5491c1a15a8d0f06b083f3bfbab541f7769ae88e13eae7da5fd099c490aa6923", kill_on_drop: false }`
[INFO] [stderr]    Compiling world_hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/composite_type/tuple/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let x = (500, 6.4, 1);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `printTuple` should have a snake case name
[INFO] [stdout]  --> src/composite_type/tuple/mod.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn printTuple() {
[INFO] [stdout]   |    ^^^^^^^^^^ help: convert the identifier to snake case: `print_tuple`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "5491c1a15a8d0f06b083f3bfbab541f7769ae88e13eae7da5fd099c490aa6923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5491c1a15a8d0f06b083f3bfbab541f7769ae88e13eae7da5fd099c490aa6923", kill_on_drop: false }`
[INFO] [stdout] 5491c1a15a8d0f06b083f3bfbab541f7769ae88e13eae7da5fd099c490aa6923