[INFO] cloning repository https://github.com/Shacham6/serde_training_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shacham6/serde_training_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShacham6%2Fserde_training_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShacham6%2Fserde_training_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d65da5df5decc3c0741b1d6c78a1b2cbfe74bd0d
[INFO] testing Shacham6/serde_training_rust against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShacham6%2Fserde_training_rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shacham6/serde_training_rust 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/Shacham6/serde_training_rust
[INFO] finished tweaking git repo https://github.com/Shacham6/serde_training_rust
[INFO] tweaked toml for git repo https://github.com/Shacham6/serde_training_rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Shacham6/serde_training_rust 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 762e92ddce17dcb1de4e84d497727e6b9928331e89e68eb7bd159d564b05701d
[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" "762e92ddce17dcb1de4e84d497727e6b9928331e89e68eb7bd159d564b05701d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "762e92ddce17dcb1de4e84d497727e6b9928331e89e68eb7bd159d564b05701d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762e92ddce17dcb1de4e84d497727e6b9928331e89e68eb7bd159d564b05701d", kill_on_drop: false }`
[INFO] [stdout] 762e92ddce17dcb1de4e84d497727e6b9928331e89e68eb7bd159d564b05701d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 39f86f60f19dd4c007c464b8c73dbfb0a13781e3cb6e249a11e5b750504ac155
[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" "39f86f60f19dd4c007c464b8c73dbfb0a13781e3cb6e249a11e5b750504ac155", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.18
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.5
[INFO] [stderr]    Compiling serde_yaml v0.7.1
[INFO] [stderr]    Compiling serde_fun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserialize`
[INFO] [stdout]   --> src/main.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde::de::{Deserialize, DeserializeOwned};
[INFO] [stdout]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_yaml::from_str as yaml_from_str`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde_yaml::from_str as yaml_from_str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde`
[INFO] [stdout]  --> src/examples/json_example.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_derive`
[INFO] [stdout]  --> src/examples/json_example.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_derive;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/examples/json_example.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/examples/json_example.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::args`
[INFO] [stdout]  --> src/examples/json_example.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env::args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/examples/json_example.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserialize`
[INFO] [stdout]   --> src/examples/json_example.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde::de::{Deserialize, DeserializeOwned};
[INFO] [stdout]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_yaml::from_str as yaml_from_str`
[INFO] [stdout]   --> src/examples/json_example.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_yaml::from_str as yaml_from_str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde`
[INFO] [stdout]  --> src/examples/yaml_example.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_derive`
[INFO] [stdout]  --> src/examples/yaml_example.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_derive;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::args`
[INFO] [stdout]  --> src/examples/yaml_example.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::env::args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/examples/json_example.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     read_content_of_file_to_string(filepath.as_str(), &mut string);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `Command { std: "docker" "inspect" "39f86f60f19dd4c007c464b8c73dbfb0a13781e3cb6e249a11e5b750504ac155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f86f60f19dd4c007c464b8c73dbfb0a13781e3cb6e249a11e5b750504ac155", kill_on_drop: false }`
[INFO] [stdout] 39f86f60f19dd4c007c464b8c73dbfb0a13781e3cb6e249a11e5b750504ac155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 0929ae4e86a07c3f2544aca23918a2d69e570b9b73f93004726832e8cf3422b4
[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" "0929ae4e86a07c3f2544aca23918a2d69e570b9b73f93004726832e8cf3422b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_fun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserialize`
[INFO] [stdout]   --> src/main.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde::de::{Deserialize, DeserializeOwned};
[INFO] [stdout]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_yaml::from_str as yaml_from_str`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde_yaml::from_str as yaml_from_str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde`
[INFO] [stdout]  --> src/examples/json_example.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_derive`
[INFO] [stdout]  --> src/examples/json_example.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_derive;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/examples/json_example.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/examples/json_example.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::args`
[INFO] [stdout]  --> src/examples/json_example.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env::args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/examples/json_example.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DeserializeOwned`, `Deserialize`
[INFO] [stdout]   --> src/examples/json_example.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use serde::de::{Deserialize, DeserializeOwned};
[INFO] [stdout]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_yaml::from_str as yaml_from_str`
[INFO] [stdout]   --> src/examples/json_example.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_yaml::from_str as yaml_from_str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde`
[INFO] [stdout]  --> src/examples/yaml_example.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_derive`
[INFO] [stdout]  --> src/examples/yaml_example.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_derive;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::args`
[INFO] [stdout]  --> src/examples/yaml_example.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::env::args;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/examples/json_example.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     read_content_of_file_to_string(filepath.as_str(), &mut string);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "0929ae4e86a07c3f2544aca23918a2d69e570b9b73f93004726832e8cf3422b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0929ae4e86a07c3f2544aca23918a2d69e570b9b73f93004726832e8cf3422b4", kill_on_drop: false }`
[INFO] [stdout] 0929ae4e86a07c3f2544aca23918a2d69e570b9b73f93004726832e8cf3422b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8eb4fa2229b40e22b3e6e4d95211d76652d8acffc14a919865cfcd06283f46c1
[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" "8eb4fa2229b40e22b3e6e4d95211d76652d8acffc14a919865cfcd06283f46c1", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::Vec`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::vec::Vec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
[INFO] [stderr]   --> src/main.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 | use serde::de::{Deserialize, DeserializeOwned};
[INFO] [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use serde_yaml::from_str as yaml_from_str;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde`
[INFO] [stderr]  --> src/examples/json_example.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_derive`
[INFO] [stderr]  --> src/examples/json_example.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde_derive;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/examples/json_example.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/examples/json_example.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]  --> src/examples/json_example.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env::args;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Error`
[INFO] [stderr]  --> src/examples/json_example.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
[INFO] [stderr]   --> src/examples/json_example.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | use serde::de::{Deserialize, DeserializeOwned};
[INFO] [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
[INFO] [stderr]   --> src/examples/json_example.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use serde_yaml::from_str as yaml_from_str;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde`
[INFO] [stderr]  --> src/examples/yaml_example.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_derive`
[INFO] [stderr]  --> src/examples/yaml_example.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde_derive;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]  --> src/examples/yaml_example.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env::args;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/examples/json_example.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     read_content_of_file_to_string(filepath.as_str(), &mut string);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_fun-2989acc77f3e24b2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8eb4fa2229b40e22b3e6e4d95211d76652d8acffc14a919865cfcd06283f46c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb4fa2229b40e22b3e6e4d95211d76652d8acffc14a919865cfcd06283f46c1", kill_on_drop: false }`
[INFO] [stdout] 8eb4fa2229b40e22b3e6e4d95211d76652d8acffc14a919865cfcd06283f46c1