Dec 05 00:08:37.072 INFO checking Shacham6/serde_training_rust against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:08:37.072 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 00:08:37.579 INFO [stdout] e4f2921544873e1ea542a8f0b7032391d0525c50d8894825d3a00abb3fee0b6e
Dec 05 00:08:37.580 INFO running `"docker" "start" "-a" "e4f2921544873e1ea542a8f0b7032391d0525c50d8894825d3a00abb3fee0b6e"`
Dec 05 00:08:39.294 INFO [stderr] usermod: no changes
Dec 05 00:08:39.463 INFO [stderr]     Checking serde_json v1.0.5
Dec 05 00:08:39.467 INFO [stderr]     Checking serde_yaml v0.7.1
Dec 05 00:08:43.292 INFO [stderr]     Checking serde_fun v0.1.0 (/source)
Dec 05 00:08:44.471 INFO [stderr] warning: unused import: `std::fs::File`
Dec 05 00:08:44.471 INFO [stderr]  --> src/main.rs:8:5
Dec 05 00:08:44.471 INFO [stderr]   |
Dec 05 00:08:44.471 INFO [stderr] 8 | use std::fs::File;
Dec 05 00:08:44.471 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:08:44.471 INFO [stderr]   |
Dec 05 00:08:44.471 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:08:44.471 INFO [stderr] 
Dec 05 00:08:44.471 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 00:08:44.471 INFO [stderr]  --> src/main.rs:9:5
Dec 05 00:08:44.471 INFO [stderr]   |
Dec 05 00:08:44.471 INFO [stderr] 9 | use std::io::Read;
Dec 05 00:08:44.471 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:08:44.471 INFO [stderr] 
Dec 05 00:08:44.471 INFO [stderr] warning: unused import: `std::vec::Vec`
Dec 05 00:08:44.471 INFO [stderr]   --> src/main.rs:10:5
Dec 05 00:08:44.471 INFO [stderr]    |
Dec 05 00:08:44.471 INFO [stderr] 10 | use std::vec::Vec;
Dec 05 00:08:44.471 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 00:08:44.471 INFO [stderr] 
Dec 05 00:08:44.471 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Dec 05 00:08:44.471 INFO [stderr]   --> src/main.rs:13:17
Dec 05 00:08:44.471 INFO [stderr]    |
Dec 05 00:08:44.471 INFO [stderr] 13 | use serde::de::{Deserialize, DeserializeOwned};
Dec 05 00:08:44.471 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Dec 05 00:08:44.471 INFO [stderr] 
Dec 05 00:08:44.471 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Dec 05 00:08:44.471 INFO [stderr]   --> src/main.rs:14:5
Dec 05 00:08:44.471 INFO [stderr]    |
Dec 05 00:08:44.471 INFO [stderr] 14 | use serde_yaml::from_str as yaml_from_str;
Dec 05 00:08:44.471 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:08:44.471 INFO [stderr] 
Dec 05 00:08:44.471 INFO [stderr] warning: unused import: `serde`
Dec 05 00:08:44.471 INFO [stderr]  --> src/examples/json_example.rs:1:5
Dec 05 00:08:44.471 INFO [stderr]   |
Dec 05 00:08:44.471 INFO [stderr] 1 | use serde;
Dec 05 00:08:44.471 INFO [stderr]   |     ^^^^^
Dec 05 00:08:44.471 INFO [stderr] 
Dec 05 00:08:44.471 INFO [stderr] warning: unused import: `serde_derive`
Dec 05 00:08:44.471 INFO [stderr]  --> src/examples/json_example.rs:3:5
Dec 05 00:08:44.471 INFO [stderr]   |
Dec 05 00:08:44.471 INFO [stderr] 3 | use serde_derive;
Dec 05 00:08:44.472 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 00:08:44.472 INFO [stderr] 
Dec 05 00:08:44.472 INFO [stderr] warning: unused import: `std::fs::File`
Dec 05 00:08:44.472 INFO [stderr]  --> src/examples/json_example.rs:5:5
Dec 05 00:08:44.472 INFO [stderr]   |
Dec 05 00:08:44.472 INFO [stderr] 5 | use std::fs::File;
Dec 05 00:08:44.472 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:08:44.472 INFO [stderr] 
Dec 05 00:08:44.472 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 00:08:44.472 INFO [stderr]  --> src/examples/json_example.rs:6:5
Dec 05 00:08:44.472 INFO [stderr]   |
Dec 05 00:08:44.472 INFO [stderr] 6 | use std::io::Read;
Dec 05 00:08:44.472 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:08:44.472 INFO [stderr] 
Dec 05 00:08:44.472 INFO [stderr] warning: unused import: `std::env::args`
Dec 05 00:08:44.472 INFO [stderr]  --> src/examples/json_example.rs:8:5
Dec 05 00:08:44.472 INFO [stderr]   |
Dec 05 00:08:44.472 INFO [stderr] 8 | use std::env::args;
Dec 05 00:08:44.472 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 00:08:44.472 INFO [stderr] 
Dec 05 00:08:44.472 INFO [stderr] warning: unused import: `std::io::Error`
Dec 05 00:08:44.472 INFO [stderr]  --> src/examples/json_example.rs:9:5
Dec 05 00:08:44.472 INFO [stderr]   |
Dec 05 00:08:44.472 INFO [stderr] 9 | use std::io::Error;
Dec 05 00:08:44.472 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 00:08:44.472 INFO [stderr] 
Dec 05 00:08:44.472 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Dec 05 00:08:44.472 INFO [stderr]   --> src/examples/json_example.rs:12:17
Dec 05 00:08:44.472 INFO [stderr]    |
Dec 05 00:08:44.472 INFO [stderr] 12 | use serde::de::{Deserialize, DeserializeOwned};
Dec 05 00:08:44.472 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Dec 05 00:08:44.472 INFO [stderr] 
Dec 05 00:08:44.472 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Dec 05 00:08:44.472 INFO [stderr]   --> src/examples/json_example.rs:13:5
Dec 05 00:08:44.472 INFO [stderr]    |
Dec 05 00:08:44.472 INFO [stderr] 13 | use serde_yaml::from_str as yaml_from_str;
Dec 05 00:08:44.472 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:08:44.472 INFO [stderr] 
Dec 05 00:08:44.480 INFO [stderr] warning: unused import: `serde`
Dec 05 00:08:44.480 INFO [stderr]  --> src/examples/yaml_example.rs:1:5
Dec 05 00:08:44.480 INFO [stderr]   |
Dec 05 00:08:44.480 INFO [stderr] 1 | use serde;
Dec 05 00:08:44.480 INFO [stderr]   |     ^^^^^
Dec 05 00:08:44.480 INFO [stderr] 
Dec 05 00:08:44.480 INFO [stderr] warning: unused import: `serde_derive`
Dec 05 00:08:44.480 INFO [stderr]  --> src/examples/yaml_example.rs:2:5
Dec 05 00:08:44.480 INFO [stderr]   |
Dec 05 00:08:44.480 INFO [stderr] 2 | use serde_derive;
Dec 05 00:08:44.480 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 00:08:44.480 INFO [stderr] 
Dec 05 00:08:44.480 INFO [stderr] warning: unused import: `std::env::args`
Dec 05 00:08:44.480 INFO [stderr]  --> src/examples/yaml_example.rs:5:5
Dec 05 00:08:44.480 INFO [stderr]   |
Dec 05 00:08:44.480 INFO [stderr] 5 | use std::env::args;
Dec 05 00:08:44.480 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 00:08:44.480 INFO [stderr] 
Dec 05 00:08:44.635 INFO [stderr] warning: unused import: `std::fs::File`
Dec 05 00:08:44.635 INFO [stderr]  --> src/main.rs:8:5
Dec 05 00:08:44.635 INFO [stderr]   |
Dec 05 00:08:44.635 INFO [stderr] 8 | use std::fs::File;
Dec 05 00:08:44.635 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:08:44.635 INFO [stderr]   |
Dec 05 00:08:44.635 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:08:44.635 INFO [stderr] 
Dec 05 00:08:44.635 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 00:08:44.635 INFO [stderr]  --> src/main.rs:9:5
Dec 05 00:08:44.635 INFO [stderr]   |
Dec 05 00:08:44.635 INFO [stderr] 9 | use std::io::Read;
Dec 05 00:08:44.635 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:08:44.635 INFO [stderr] 
Dec 05 00:08:44.635 INFO [stderr] warning: unused import: `std::vec::Vec`
Dec 05 00:08:44.635 INFO [stderr]   --> src/main.rs:10:5
Dec 05 00:08:44.635 INFO [stderr]    |
Dec 05 00:08:44.635 INFO [stderr] 10 | use std::vec::Vec;
Dec 05 00:08:44.635 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 00:08:44.635 INFO [stderr] 
Dec 05 00:08:44.635 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Dec 05 00:08:44.635 INFO [stderr]   --> src/main.rs:13:17
Dec 05 00:08:44.635 INFO [stderr]    |
Dec 05 00:08:44.636 INFO [stderr] 13 | use serde::de::{Deserialize, DeserializeOwned};
Dec 05 00:08:44.636 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Dec 05 00:08:44.636 INFO [stderr] 
Dec 05 00:08:44.636 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Dec 05 00:08:44.636 INFO [stderr]   --> src/main.rs:14:5
Dec 05 00:08:44.636 INFO [stderr]    |
Dec 05 00:08:44.636 INFO [stderr] 14 | use serde_yaml::from_str as yaml_from_str;
Dec 05 00:08:44.636 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:08:44.636 INFO [stderr] 
Dec 05 00:08:44.636 INFO [stderr] warning: unused import: `serde`
Dec 05 00:08:44.636 INFO [stderr]  --> src/examples/json_example.rs:1:5
Dec 05 00:08:44.636 INFO [stderr]   |
Dec 05 00:08:44.636 INFO [stderr] 1 | use serde;
Dec 05 00:08:44.636 INFO [stderr]   |     ^^^^^
Dec 05 00:08:44.636 INFO [stderr] 
Dec 05 00:08:44.636 INFO [stderr] warning: unused import: `serde_derive`
Dec 05 00:08:44.636 INFO [stderr]  --> src/examples/json_example.rs:3:5
Dec 05 00:08:44.636 INFO [stderr]   |
Dec 05 00:08:44.636 INFO [stderr] 3 | use serde_derive;
Dec 05 00:08:44.636 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 00:08:44.636 INFO [stderr] 
Dec 05 00:08:44.636 INFO [stderr] warning: unused import: `std::fs::File`
Dec 05 00:08:44.636 INFO [stderr]  --> src/examples/json_example.rs:5:5
Dec 05 00:08:44.636 INFO [stderr]   |
Dec 05 00:08:44.636 INFO [stderr] 5 | use std::fs::File;
Dec 05 00:08:44.636 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:08:44.636 INFO [stderr] 
Dec 05 00:08:44.636 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 00:08:44.636 INFO [stderr]  --> src/examples/json_example.rs:6:5
Dec 05 00:08:44.636 INFO [stderr]   |
Dec 05 00:08:44.636 INFO [stderr] 6 | use std::io::Read;
Dec 05 00:08:44.636 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 05 00:08:44.636 INFO [stderr] 
Dec 05 00:08:44.636 INFO [stderr] warning: unused import: `std::env::args`
Dec 05 00:08:44.636 INFO [stderr]  --> src/examples/json_example.rs:8:5
Dec 05 00:08:44.636 INFO [stderr]   |
Dec 05 00:08:44.636 INFO [stderr] 8 | use std::env::args;
Dec 05 00:08:44.636 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 00:08:44.636 INFO [stderr] 
Dec 05 00:08:44.636 INFO [stderr] warning: unused import: `std::io::Error`
Dec 05 00:08:44.636 INFO [stderr]  --> src/examples/json_example.rs:9:5
Dec 05 00:08:44.636 INFO [stderr]   |
Dec 05 00:08:44.636 INFO [stderr] 9 | use std::io::Error;
Dec 05 00:08:44.636 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 00:08:44.636 INFO [stderr] 
Dec 05 00:08:44.636 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Dec 05 00:08:44.636 INFO [stderr]   --> src/examples/json_example.rs:12:17
Dec 05 00:08:44.636 INFO [stderr]    |
Dec 05 00:08:44.636 INFO [stderr] 12 | use serde::de::{Deserialize, DeserializeOwned};
Dec 05 00:08:44.636 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Dec 05 00:08:44.636 INFO [stderr] 
Dec 05 00:08:44.637 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Dec 05 00:08:44.637 INFO [stderr]   --> src/examples/json_example.rs:13:5
Dec 05 00:08:44.637 INFO [stderr]    |
Dec 05 00:08:44.637 INFO [stderr] 13 | use serde_yaml::from_str as yaml_from_str;
Dec 05 00:08:44.637 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:08:44.637 INFO [stderr] 
Dec 05 00:08:44.637 INFO [stderr] warning: unused import: `serde`
Dec 05 00:08:44.637 INFO [stderr]  --> src/examples/yaml_example.rs:1:5
Dec 05 00:08:44.637 INFO [stderr]   |
Dec 05 00:08:44.637 INFO [stderr] 1 | use serde;
Dec 05 00:08:44.637 INFO [stderr]   |     ^^^^^
Dec 05 00:08:44.637 INFO [stderr] 
Dec 05 00:08:44.637 INFO [stderr] warning: unused import: `serde_derive`
Dec 05 00:08:44.637 INFO [stderr]  --> src/examples/yaml_example.rs:2:5
Dec 05 00:08:44.637 INFO [stderr]   |
Dec 05 00:08:44.637 INFO [stderr] 2 | use serde_derive;
Dec 05 00:08:44.637 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 05 00:08:44.637 INFO [stderr] 
Dec 05 00:08:44.637 INFO [stderr] warning: unused import: `std::env::args`
Dec 05 00:08:44.637 INFO [stderr]  --> src/examples/yaml_example.rs:5:5
Dec 05 00:08:44.637 INFO [stderr]   |
Dec 05 00:08:44.637 INFO [stderr] 5 | use std::env::args;
Dec 05 00:08:44.637 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 05 00:08:44.637 INFO [stderr] 
Dec 05 00:08:44.686 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:08:44.686 INFO [stderr]   --> src/examples/json_example.rs:18:5
Dec 05 00:08:44.686 INFO [stderr]    |
Dec 05 00:08:44.686 INFO [stderr] 18 |     read_content_of_file_to_string(filepath.as_str(), &mut string);
Dec 05 00:08:44.686 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:08:44.687 INFO [stderr]    |
Dec 05 00:08:44.687 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:08:44.687 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:08:44.687 INFO [stderr] 
Dec 05 00:08:44.996 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:08:44.996 INFO [stderr]   --> src/examples/json_example.rs:18:5
Dec 05 00:08:44.997 INFO [stderr]    |
Dec 05 00:08:44.997 INFO [stderr] 18 |     read_content_of_file_to_string(filepath.as_str(), &mut string);
Dec 05 00:08:44.997 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:08:44.997 INFO [stderr]    |
Dec 05 00:08:44.998 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:08:44.998 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:08:44.998 INFO [stderr] 
Dec 05 00:08:45.052 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
Dec 05 00:08:45.056 INFO [stderr] su: No module specific data is present
Dec 05 00:08:46.003 INFO running `"docker" "inspect" "e4f2921544873e1ea542a8f0b7032391d0525c50d8894825d3a00abb3fee0b6e"`
Dec 05 00:08:46.240 INFO running `"docker" "rm" "-f" "e4f2921544873e1ea542a8f0b7032391d0525c50d8894825d3a00abb3fee0b6e"`
Dec 05 00:08:46.558 INFO [stdout] e4f2921544873e1ea542a8f0b7032391d0525c50d8894825d3a00abb3fee0b6e