[INFO] cloning repository https://github.com/antonmisa/rust_simple_json [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antonmisa/rust_simple_json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonmisa%2Frust_simple_json", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonmisa%2Frust_simple_json'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b12d22f977ebf7154d855a3569d9df95ca445b98 [INFO] checking antonmisa/rust_simple_json against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonmisa%2Frust_simple_json" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/antonmisa/rust_simple_json on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/antonmisa/rust_simple_json [INFO] finished tweaking git repo https://github.com/antonmisa/rust_simple_json [INFO] tweaked toml for git repo https://github.com/antonmisa/rust_simple_json written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/antonmisa/rust_simple_json already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42d7dc5a9fcafcfc323a4a32078e0d5fd67426a86b7b9a618dac43138f46a6bb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "42d7dc5a9fcafcfc323a4a32078e0d5fd67426a86b7b9a618dac43138f46a6bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42d7dc5a9fcafcfc323a4a32078e0d5fd67426a86b7b9a618dac43138f46a6bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42d7dc5a9fcafcfc323a4a32078e0d5fd67426a86b7b9a618dac43138f46a6bb", kill_on_drop: false }` [INFO] [stdout] 42d7dc5a9fcafcfc323a4a32078e0d5fd67426a86b7b9a618dac43138f46a6bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc08f9f012e0e5efce75da1b9dc355e4dad75399b30d184acebdf720d72967cd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bc08f9f012e0e5efce75da1b9dc355e4dad75399b30d184acebdf720d72967cd", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Checking serde v1.0.114 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking serde v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/main.rs:83:7 [INFO] [stdout] | [INFO] [stdout] 83 | let obj: Value = serde_json::from_str(data).expect("error deserializing"); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/main.rs:86:7 [INFO] [stdout] | [INFO] [stdout] 86 | let obj: Vec:: = serde_json::from_str(data).expect("error deserializing"); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/main.rs:83:7 [INFO] [stdout] | [INFO] [stdout] 83 | let obj: Value = serde_json::from_str(data).expect("error deserializing"); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `obj` [INFO] [stdout] --> src/main.rs:86:7 [INFO] [stdout] | [INFO] [stdout] 86 | let obj: Vec:: = serde_json::from_str(data).expect("error deserializing"); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | fn new(first_name: &str, last_name: &str, age: u8, phones: &Vec) -> Person { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_data` [INFO] [stdout] --> src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn create_data(sz: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `write_to_file` [INFO] [stdout] --> src/main.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn write_to_file>(file_path: P, data: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_data_and_write_to_file` [INFO] [stdout] --> src/main.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn create_data_and_write_to_file() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `unTyped` should have a snake case name [INFO] [stdout] --> src/main.rs:80:22 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn x(data: &str, unTyped: bool) -> u128 { [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `un_typed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | fn new(first_name: &str, last_name: &str, age: u8, phones: &Vec) -> Person { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_data` [INFO] [stdout] --> src/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn create_data(sz: usize) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `write_to_file` [INFO] [stdout] --> src/main.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn write_to_file>(file_path: P, data: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_data_and_write_to_file` [INFO] [stdout] --> src/main.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn create_data_and_write_to_file() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `unTyped` should have a snake case name [INFO] [stdout] --> src/main.rs:80:22 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn x(data: &str, unTyped: bool) -> u128 { [INFO] [stdout] | ^^^^^^^ help: convert the identifier to snake case: `un_typed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.00s [INFO] running `Command { std: "docker" "inspect" "bc08f9f012e0e5efce75da1b9dc355e4dad75399b30d184acebdf720d72967cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc08f9f012e0e5efce75da1b9dc355e4dad75399b30d184acebdf720d72967cd", kill_on_drop: false }` [INFO] [stdout] bc08f9f012e0e5efce75da1b9dc355e4dad75399b30d184acebdf720d72967cd