[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] testing antonmisa/rust_simple_json against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonmisa%2Frust_simple_json" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/antonmisa/rust_simple_json on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-8/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b35c8a6d455b5a8ffc28dbfccdc2f97803c377154cd42854be7346f7d8b6f51 [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" "2b35c8a6d455b5a8ffc28dbfccdc2f97803c377154cd42854be7346f7d8b6f51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b35c8a6d455b5a8ffc28dbfccdc2f97803c377154cd42854be7346f7d8b6f51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b35c8a6d455b5a8ffc28dbfccdc2f97803c377154cd42854be7346f7d8b6f51", kill_on_drop: false }` [INFO] [stdout] 2b35c8a6d455b5a8ffc28dbfccdc2f97803c377154cd42854be7346f7d8b6f51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8026d68537af48735f04630bcebdee96e39ab0624006ac5fa45d0ffbab8b9f1d [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" "8026d68537af48735f04630bcebdee96e39ab0624006ac5fa45d0ffbab8b9f1d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling 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: 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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.20s [INFO] running `Command { std: "docker" "inspect" "8026d68537af48735f04630bcebdee96e39ab0624006ac5fa45d0ffbab8b9f1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8026d68537af48735f04630bcebdee96e39ab0624006ac5fa45d0ffbab8b9f1d", kill_on_drop: false }` [INFO] [stdout] 8026d68537af48735f04630bcebdee96e39ab0624006ac5fa45d0ffbab8b9f1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49b5d653dde2f280c4f52a65cd4a2682edd2541e8b378dc2b85ef9d8702922d7 [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" "49b5d653dde2f280c4f52a65cd4a2682edd2541e8b378dc2b85ef9d8702922d7", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.25s [INFO] running `Command { std: "docker" "inspect" "49b5d653dde2f280c4f52a65cd4a2682edd2541e8b378dc2b85ef9d8702922d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49b5d653dde2f280c4f52a65cd4a2682edd2541e8b378dc2b85ef9d8702922d7", kill_on_drop: false }` [INFO] [stdout] 49b5d653dde2f280c4f52a65cd4a2682edd2541e8b378dc2b85ef9d8702922d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 715b4ed3660a3e66faf1d592ea4aa3f8c3f84b655b2e82b718b5d69763a9395a [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" "715b4ed3660a3e66faf1d592ea4aa3f8c3f84b655b2e82b718b5d69763a9395a", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `obj` [INFO] [stderr] --> src/main.rs:83:7 [INFO] [stderr] | [INFO] [stderr] 83 | let obj: Value = serde_json::from_str(data).expect("error deserializing"); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `obj` [INFO] [stderr] --> src/main.rs:86:7 [INFO] [stderr] | [INFO] [stderr] 86 | let obj: Vec:: = serde_json::from_str(data).expect("error deserializing"); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_obj` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | fn new(first_name: &str, last_name: &str, age: u8, phones: &Vec) -> Person { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_data` [INFO] [stderr] --> src/main.rs:33:4 [INFO] [stderr] | [INFO] [stderr] 33 | fn create_data(sz: usize) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `write_to_file` [INFO] [stderr] --> src/main.rs:49:4 [INFO] [stderr] | [INFO] [stderr] 49 | fn write_to_file>(file_path: P, data: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_data_and_write_to_file` [INFO] [stderr] --> src/main.rs:58:4 [INFO] [stderr] | [INFO] [stderr] 58 | fn create_data_and_write_to_file() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `unTyped` should have a snake case name [INFO] [stderr] --> src/main.rs:80:22 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn x(data: &str, unTyped: bool) -> u128 { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `un_typed` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/serde-feae3c8344a29ad8 [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::bench_100_typed ... ok [INFO] [stdout] test tests::bench_100_untyped ... ok [INFO] [stdout] test tests::bench_1000_typed ... ok [INFO] [stdout] test tests::bench_1000_untyped ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "715b4ed3660a3e66faf1d592ea4aa3f8c3f84b655b2e82b718b5d69763a9395a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "715b4ed3660a3e66faf1d592ea4aa3f8c3f84b655b2e82b718b5d69763a9395a", kill_on_drop: false }` [INFO] [stdout] 715b4ed3660a3e66faf1d592ea4aa3f8c3f84b655b2e82b718b5d69763a9395a