Nov 28 11:06:46.982 INFO checking Shacham6/serde_training_rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:06:46.982 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 11:06:47.476 INFO [stdout] c237269e98c052c027e4a1ad23e9d8374e0742fd9ffc512fbebdf3031de70123
Nov 28 11:06:47.478 INFO running `"docker" "start" "-a" "c237269e98c052c027e4a1ad23e9d8374e0742fd9ffc512fbebdf3031de70123"`
Nov 28 11:06:49.200 INFO [stderr] usermod: no changes
Nov 28 11:06:49.354 INFO [stderr]     Checking serde_yaml v0.7.1
Nov 28 11:06:51.173 INFO [stderr]     Checking serde_fun v0.1.0 (/source)
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 11:06:52.313 INFO [stderr]  --> src/main.rs:8:5
Nov 28 11:06:52.313 INFO [stderr]   |
Nov 28 11:06:52.313 INFO [stderr] 8 | use std::fs::File;
Nov 28 11:06:52.313 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr]   |
Nov 28 11:06:52.313 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `std::io::Read`
Nov 28 11:06:52.313 INFO [stderr]  --> src/main.rs:9:5
Nov 28 11:06:52.313 INFO [stderr]   |
Nov 28 11:06:52.313 INFO [stderr] 9 | use std::io::Read;
Nov 28 11:06:52.313 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `std::vec::Vec`
Nov 28 11:06:52.313 INFO [stderr]   --> src/main.rs:10:5
Nov 28 11:06:52.313 INFO [stderr]    |
Nov 28 11:06:52.313 INFO [stderr] 10 | use std::vec::Vec;
Nov 28 11:06:52.313 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Nov 28 11:06:52.313 INFO [stderr]   --> src/main.rs:13:17
Nov 28 11:06:52.313 INFO [stderr]    |
Nov 28 11:06:52.313 INFO [stderr] 13 | use serde::de::{Deserialize, DeserializeOwned};
Nov 28 11:06:52.313 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Nov 28 11:06:52.313 INFO [stderr]   --> src/main.rs:14:5
Nov 28 11:06:52.313 INFO [stderr]    |
Nov 28 11:06:52.313 INFO [stderr] 14 | use serde_yaml::from_str as yaml_from_str;
Nov 28 11:06:52.313 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `serde`
Nov 28 11:06:52.313 INFO [stderr]  --> src/examples/json_example.rs:1:5
Nov 28 11:06:52.313 INFO [stderr]   |
Nov 28 11:06:52.313 INFO [stderr] 1 | use serde;
Nov 28 11:06:52.313 INFO [stderr]   |     ^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `serde_derive`
Nov 28 11:06:52.313 INFO [stderr]  --> src/examples/json_example.rs:3:5
Nov 28 11:06:52.313 INFO [stderr]   |
Nov 28 11:06:52.313 INFO [stderr] 3 | use serde_derive;
Nov 28 11:06:52.313 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 11:06:52.313 INFO [stderr]  --> src/examples/json_example.rs:5:5
Nov 28 11:06:52.313 INFO [stderr]   |
Nov 28 11:06:52.313 INFO [stderr] 5 | use std::fs::File;
Nov 28 11:06:52.313 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `std::io::Read`
Nov 28 11:06:52.313 INFO [stderr]  --> src/examples/json_example.rs:6:5
Nov 28 11:06:52.313 INFO [stderr]   |
Nov 28 11:06:52.313 INFO [stderr] 6 | use std::io::Read;
Nov 28 11:06:52.313 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `std::env::args`
Nov 28 11:06:52.313 INFO [stderr]  --> src/examples/json_example.rs:8:5
Nov 28 11:06:52.313 INFO [stderr]   |
Nov 28 11:06:52.313 INFO [stderr] 8 | use std::env::args;
Nov 28 11:06:52.313 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `std::io::Error`
Nov 28 11:06:52.313 INFO [stderr]  --> src/examples/json_example.rs:9:5
Nov 28 11:06:52.313 INFO [stderr]   |
Nov 28 11:06:52.313 INFO [stderr] 9 | use std::io::Error;
Nov 28 11:06:52.313 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Nov 28 11:06:52.313 INFO [stderr]   --> src/examples/json_example.rs:12:17
Nov 28 11:06:52.313 INFO [stderr]    |
Nov 28 11:06:52.313 INFO [stderr] 12 | use serde::de::{Deserialize, DeserializeOwned};
Nov 28 11:06:52.313 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Nov 28 11:06:52.313 INFO [stderr] 
Nov 28 11:06:52.313 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Nov 28 11:06:52.313 INFO [stderr]   --> src/examples/json_example.rs:13:5
Nov 28 11:06:52.313 INFO [stderr]    |
Nov 28 11:06:52.313 INFO [stderr] 13 | use serde_yaml::from_str as yaml_from_str;
Nov 28 11:06:52.314 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:06:52.314 INFO [stderr] 
Nov 28 11:06:52.314 INFO [stderr] warning: unused import: `serde`
Nov 28 11:06:52.314 INFO [stderr]  --> src/examples/yaml_example.rs:1:5
Nov 28 11:06:52.314 INFO [stderr]   |
Nov 28 11:06:52.314 INFO [stderr] 1 | use serde;
Nov 28 11:06:52.314 INFO [stderr]   |     ^^^^^
Nov 28 11:06:52.314 INFO [stderr] 
Nov 28 11:06:52.314 INFO [stderr] warning: unused import: `serde_derive`
Nov 28 11:06:52.314 INFO [stderr]  --> src/examples/yaml_example.rs:2:5
Nov 28 11:06:52.314 INFO [stderr]   |
Nov 28 11:06:52.314 INFO [stderr] 2 | use serde_derive;
Nov 28 11:06:52.314 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 11:06:52.314 INFO [stderr] 
Nov 28 11:06:52.314 INFO [stderr] warning: unused import: `std::env::args`
Nov 28 11:06:52.314 INFO [stderr]  --> src/examples/yaml_example.rs:5:5
Nov 28 11:06:52.314 INFO [stderr]   |
Nov 28 11:06:52.314 INFO [stderr] 5 | use std::env::args;
Nov 28 11:06:52.314 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 11:06:52.314 INFO [stderr] 
Nov 28 11:06:52.540 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 11:06:52.540 INFO [stderr]  --> src/main.rs:8:5
Nov 28 11:06:52.540 INFO [stderr]   |
Nov 28 11:06:52.540 INFO [stderr] 8 | use std::fs::File;
Nov 28 11:06:52.540 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 11:06:52.540 INFO [stderr]   |
Nov 28 11:06:52.540 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 11:06:52.540 INFO [stderr] 
Nov 28 11:06:52.540 INFO [stderr] warning: unused import: `std::io::Read`
Nov 28 11:06:52.540 INFO [stderr]  --> src/main.rs:9:5
Nov 28 11:06:52.540 INFO [stderr]   |
Nov 28 11:06:52.540 INFO [stderr] 9 | use std::io::Read;
Nov 28 11:06:52.540 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 11:06:52.540 INFO [stderr] 
Nov 28 11:06:52.540 INFO [stderr] warning: unused import: `std::vec::Vec`
Nov 28 11:06:52.540 INFO [stderr]   --> src/main.rs:10:5
Nov 28 11:06:52.540 INFO [stderr]    |
Nov 28 11:06:52.540 INFO [stderr] 10 | use std::vec::Vec;
Nov 28 11:06:52.540 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 28 11:06:52.540 INFO [stderr] 
Nov 28 11:06:52.540 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Nov 28 11:06:52.540 INFO [stderr]   --> src/main.rs:13:17
Nov 28 11:06:52.540 INFO [stderr]    |
Nov 28 11:06:52.541 INFO [stderr] 13 | use serde::de::{Deserialize, DeserializeOwned};
Nov 28 11:06:52.541 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Nov 28 11:06:52.541 INFO [stderr] 
Nov 28 11:06:52.541 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Nov 28 11:06:52.541 INFO [stderr]   --> src/main.rs:14:5
Nov 28 11:06:52.541 INFO [stderr]    |
Nov 28 11:06:52.541 INFO [stderr] 14 | use serde_yaml::from_str as yaml_from_str;
Nov 28 11:06:52.541 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:06:52.541 INFO [stderr] 
Nov 28 11:06:52.544 INFO [stderr] warning: unused import: `serde`
Nov 28 11:06:52.544 INFO [stderr]  --> src/examples/json_example.rs:1:5
Nov 28 11:06:52.544 INFO [stderr]   |
Nov 28 11:06:52.544 INFO [stderr] 1 | use serde;
Nov 28 11:06:52.544 INFO [stderr]   |     ^^^^^
Nov 28 11:06:52.544 INFO [stderr] 
Nov 28 11:06:52.544 INFO [stderr] warning: unused import: `serde_derive`
Nov 28 11:06:52.544 INFO [stderr]  --> src/examples/json_example.rs:3:5
Nov 28 11:06:52.544 INFO [stderr]   |
Nov 28 11:06:52.544 INFO [stderr] 3 | use serde_derive;
Nov 28 11:06:52.544 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 11:06:52.544 INFO [stderr] 
Nov 28 11:06:52.544 INFO [stderr] warning: unused import: `std::fs::File`
Nov 28 11:06:52.544 INFO [stderr]  --> src/examples/json_example.rs:5:5
Nov 28 11:06:52.544 INFO [stderr]   |
Nov 28 11:06:52.545 INFO [stderr] 5 | use std::fs::File;
Nov 28 11:06:52.545 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 11:06:52.545 INFO [stderr] 
Nov 28 11:06:52.545 INFO [stderr] warning: unused import: `std::io::Read`
Nov 28 11:06:52.545 INFO [stderr]  --> src/examples/json_example.rs:6:5
Nov 28 11:06:52.545 INFO [stderr]   |
Nov 28 11:06:52.545 INFO [stderr] 6 | use std::io::Read;
Nov 28 11:06:52.545 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 11:06:52.545 INFO [stderr] 
Nov 28 11:06:52.545 INFO [stderr] warning: unused import: `std::env::args`
Nov 28 11:06:52.545 INFO [stderr]  --> src/examples/json_example.rs:8:5
Nov 28 11:06:52.545 INFO [stderr]   |
Nov 28 11:06:52.545 INFO [stderr] 8 | use std::env::args;
Nov 28 11:06:52.545 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 11:06:52.545 INFO [stderr] 
Nov 28 11:06:52.545 INFO [stderr] warning: unused import: `std::io::Error`
Nov 28 11:06:52.545 INFO [stderr]  --> src/examples/json_example.rs:9:5
Nov 28 11:06:52.545 INFO [stderr]   |
Nov 28 11:06:52.545 INFO [stderr] 9 | use std::io::Error;
Nov 28 11:06:52.545 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 11:06:52.545 INFO [stderr] 
Nov 28 11:06:52.545 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Nov 28 11:06:52.545 INFO [stderr]   --> src/examples/json_example.rs:12:17
Nov 28 11:06:52.545 INFO [stderr]    |
Nov 28 11:06:52.545 INFO [stderr] 12 | use serde::de::{Deserialize, DeserializeOwned};
Nov 28 11:06:52.545 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Nov 28 11:06:52.545 INFO [stderr] 
Nov 28 11:06:52.545 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Nov 28 11:06:52.545 INFO [stderr]   --> src/examples/json_example.rs:13:5
Nov 28 11:06:52.545 INFO [stderr]    |
Nov 28 11:06:52.545 INFO [stderr] 13 | use serde_yaml::from_str as yaml_from_str;
Nov 28 11:06:52.545 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:06:52.545 INFO [stderr] 
Nov 28 11:06:52.545 INFO [stderr] warning: unused import: `serde`
Nov 28 11:06:52.545 INFO [stderr]  --> src/examples/yaml_example.rs:1:5
Nov 28 11:06:52.545 INFO [stderr]   |
Nov 28 11:06:52.545 INFO [stderr] 1 | use serde;
Nov 28 11:06:52.545 INFO [stderr]   |     ^^^^^
Nov 28 11:06:52.545 INFO [stderr] 
Nov 28 11:06:52.545 INFO [stderr] warning: unused import: `serde_derive`
Nov 28 11:06:52.545 INFO [stderr]  --> src/examples/yaml_example.rs:2:5
Nov 28 11:06:52.545 INFO [stderr]   |
Nov 28 11:06:52.545 INFO [stderr] 2 | use serde_derive;
Nov 28 11:06:52.545 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 11:06:52.545 INFO [stderr] 
Nov 28 11:06:52.545 INFO [stderr] warning: unused import: `std::env::args`
Nov 28 11:06:52.545 INFO [stderr]  --> src/examples/yaml_example.rs:5:5
Nov 28 11:06:52.545 INFO [stderr]   |
Nov 28 11:06:52.545 INFO [stderr] 5 | use std::env::args;
Nov 28 11:06:52.545 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 11:06:52.545 INFO [stderr] 
Nov 28 11:06:52.812 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:06:52.812 INFO [stderr]   --> src/examples/json_example.rs:18:5
Nov 28 11:06:52.812 INFO [stderr]    |
Nov 28 11:06:52.812 INFO [stderr] 18 |     read_content_of_file_to_string(filepath.as_str(), &mut string);
Nov 28 11:06:52.812 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:06:52.812 INFO [stderr]    |
Nov 28 11:06:52.812 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 11:06:52.812 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:06:52.812 INFO [stderr] 
Nov 28 11:06:52.871 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 11:06:52.871 INFO [stderr]   --> src/examples/json_example.rs:18:5
Nov 28 11:06:52.871 INFO [stderr]    |
Nov 28 11:06:52.871 INFO [stderr] 18 |     read_content_of_file_to_string(filepath.as_str(), &mut string);
Nov 28 11:06:52.871 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:06:52.871 INFO [stderr]    |
Nov 28 11:06:52.871 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 11:06:52.871 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 11:06:52.871 INFO [stderr] 
Nov 28 11:06:52.913 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.68s
Nov 28 11:06:52.920 INFO [stderr] su: No module specific data is present
Nov 28 11:06:53.948 INFO running `"docker" "inspect" "c237269e98c052c027e4a1ad23e9d8374e0742fd9ffc512fbebdf3031de70123"`
Nov 28 11:06:54.322 INFO running `"docker" "rm" "-f" "c237269e98c052c027e4a1ad23e9d8374e0742fd9ffc512fbebdf3031de70123"`
Nov 28 11:06:54.727 INFO [stdout] c237269e98c052c027e4a1ad23e9d8374e0742fd9ffc512fbebdf3031de70123