Nov 30 08:38:56.753 INFO checking Shacham6/serde_training_rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 08:38:56.753 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 08:38:57.170 INFO [stdout] 5fdce43789e748bab323576208badcacfe8f0be9f9e004bb5aa1c53730ed22f7
Nov 30 08:38:57.176 INFO running `"docker" "start" "-a" "5fdce43789e748bab323576208badcacfe8f0be9f9e004bb5aa1c53730ed22f7"`
Nov 30 08:38:58.711 INFO [stderr] usermod: no changes
Nov 30 08:38:58.866 INFO [stderr]     Checking serde v1.0.18
Nov 30 08:39:07.516 INFO [stderr]     Checking serde_json v1.0.5
Nov 30 08:39:07.516 INFO [stderr]     Checking serde_yaml v0.7.1
Nov 30 08:39:10.320 INFO [stderr]     Checking serde_fun v0.1.0 (/source)
Nov 30 08:39:11.516 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 08:39:11.516 INFO [stderr]  --> src/main.rs:8:5
Nov 30 08:39:11.516 INFO [stderr]   |
Nov 30 08:39:11.516 INFO [stderr] 8 | use std::fs::File;
Nov 30 08:39:11.516 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 08:39:11.516 INFO [stderr]   |
Nov 30 08:39:11.520 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:39:11.520 INFO [stderr] 
Nov 30 08:39:11.520 INFO [stderr] warning: unused import: `std::io::Read`
Nov 30 08:39:11.520 INFO [stderr]  --> src/main.rs:9:5
Nov 30 08:39:11.520 INFO [stderr]   |
Nov 30 08:39:11.520 INFO [stderr] 9 | use std::io::Read;
Nov 30 08:39:11.520 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `std::vec::Vec`
Nov 30 08:39:11.521 INFO [stderr]   --> src/main.rs:10:5
Nov 30 08:39:11.521 INFO [stderr]    |
Nov 30 08:39:11.521 INFO [stderr] 10 | use std::vec::Vec;
Nov 30 08:39:11.521 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Nov 30 08:39:11.521 INFO [stderr]   --> src/main.rs:13:17
Nov 30 08:39:11.521 INFO [stderr]    |
Nov 30 08:39:11.521 INFO [stderr] 13 | use serde::de::{Deserialize, DeserializeOwned};
Nov 30 08:39:11.521 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Nov 30 08:39:11.521 INFO [stderr]   --> src/main.rs:14:5
Nov 30 08:39:11.521 INFO [stderr]    |
Nov 30 08:39:11.521 INFO [stderr] 14 | use serde_yaml::from_str as yaml_from_str;
Nov 30 08:39:11.521 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `serde`
Nov 30 08:39:11.521 INFO [stderr]  --> src/examples/json_example.rs:1:5
Nov 30 08:39:11.521 INFO [stderr]   |
Nov 30 08:39:11.521 INFO [stderr] 1 | use serde;
Nov 30 08:39:11.521 INFO [stderr]   |     ^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `serde_derive`
Nov 30 08:39:11.521 INFO [stderr]  --> src/examples/json_example.rs:3:5
Nov 30 08:39:11.521 INFO [stderr]   |
Nov 30 08:39:11.521 INFO [stderr] 3 | use serde_derive;
Nov 30 08:39:11.521 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 08:39:11.521 INFO [stderr]  --> src/examples/json_example.rs:5:5
Nov 30 08:39:11.521 INFO [stderr]   |
Nov 30 08:39:11.521 INFO [stderr] 5 | use std::fs::File;
Nov 30 08:39:11.521 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `std::io::Read`
Nov 30 08:39:11.521 INFO [stderr]  --> src/examples/json_example.rs:6:5
Nov 30 08:39:11.521 INFO [stderr]   |
Nov 30 08:39:11.521 INFO [stderr] 6 | use std::io::Read;
Nov 30 08:39:11.521 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `std::env::args`
Nov 30 08:39:11.521 INFO [stderr]  --> src/examples/json_example.rs:8:5
Nov 30 08:39:11.521 INFO [stderr]   |
Nov 30 08:39:11.521 INFO [stderr] 8 | use std::env::args;
Nov 30 08:39:11.521 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `std::io::Error`
Nov 30 08:39:11.521 INFO [stderr]  --> src/examples/json_example.rs:9:5
Nov 30 08:39:11.521 INFO [stderr]   |
Nov 30 08:39:11.521 INFO [stderr] 9 | use std::io::Error;
Nov 30 08:39:11.521 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Nov 30 08:39:11.521 INFO [stderr]   --> src/examples/json_example.rs:12:17
Nov 30 08:39:11.521 INFO [stderr]    |
Nov 30 08:39:11.521 INFO [stderr] 12 | use serde::de::{Deserialize, DeserializeOwned};
Nov 30 08:39:11.521 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Nov 30 08:39:11.521 INFO [stderr]   --> src/examples/json_example.rs:13:5
Nov 30 08:39:11.521 INFO [stderr]    |
Nov 30 08:39:11.521 INFO [stderr] 13 | use serde_yaml::from_str as yaml_from_str;
Nov 30 08:39:11.521 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `serde`
Nov 30 08:39:11.521 INFO [stderr]  --> src/examples/yaml_example.rs:1:5
Nov 30 08:39:11.521 INFO [stderr]   |
Nov 30 08:39:11.521 INFO [stderr] 1 | use serde;
Nov 30 08:39:11.521 INFO [stderr]   |     ^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `serde_derive`
Nov 30 08:39:11.521 INFO [stderr]  --> src/examples/yaml_example.rs:2:5
Nov 30 08:39:11.521 INFO [stderr]   |
Nov 30 08:39:11.521 INFO [stderr] 2 | use serde_derive;
Nov 30 08:39:11.521 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 08:39:11.521 INFO [stderr] 
Nov 30 08:39:11.521 INFO [stderr] warning: unused import: `std::env::args`
Nov 30 08:39:11.521 INFO [stderr]  --> src/examples/yaml_example.rs:5:5
Nov 30 08:39:11.521 INFO [stderr]   |
Nov 30 08:39:11.521 INFO [stderr] 5 | use std::env::args;
Nov 30 08:39:11.522 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 08:39:11.522 INFO [stderr] 
Nov 30 08:39:11.800 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 08:39:11.800 INFO [stderr]  --> src/main.rs:8:5
Nov 30 08:39:11.800 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr] 8 | use std::fs::File;
Nov 30 08:39:11.801 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `std::io::Read`
Nov 30 08:39:11.801 INFO [stderr]  --> src/main.rs:9:5
Nov 30 08:39:11.801 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr] 9 | use std::io::Read;
Nov 30 08:39:11.801 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `std::vec::Vec`
Nov 30 08:39:11.801 INFO [stderr]   --> src/main.rs:10:5
Nov 30 08:39:11.801 INFO [stderr]    |
Nov 30 08:39:11.801 INFO [stderr] 10 | use std::vec::Vec;
Nov 30 08:39:11.801 INFO [stderr]    |     ^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Nov 30 08:39:11.801 INFO [stderr]   --> src/main.rs:13:17
Nov 30 08:39:11.801 INFO [stderr]    |
Nov 30 08:39:11.801 INFO [stderr] 13 | use serde::de::{Deserialize, DeserializeOwned};
Nov 30 08:39:11.801 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Nov 30 08:39:11.801 INFO [stderr]   --> src/main.rs:14:5
Nov 30 08:39:11.801 INFO [stderr]    |
Nov 30 08:39:11.801 INFO [stderr] 14 | use serde_yaml::from_str as yaml_from_str;
Nov 30 08:39:11.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `serde`
Nov 30 08:39:11.801 INFO [stderr]  --> src/examples/json_example.rs:1:5
Nov 30 08:39:11.801 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr] 1 | use serde;
Nov 30 08:39:11.801 INFO [stderr]   |     ^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `serde_derive`
Nov 30 08:39:11.801 INFO [stderr]  --> src/examples/json_example.rs:3:5
Nov 30 08:39:11.801 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr] 3 | use serde_derive;
Nov 30 08:39:11.801 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 08:39:11.801 INFO [stderr]  --> src/examples/json_example.rs:5:5
Nov 30 08:39:11.801 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr] 5 | use std::fs::File;
Nov 30 08:39:11.801 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `std::io::Read`
Nov 30 08:39:11.801 INFO [stderr]  --> src/examples/json_example.rs:6:5
Nov 30 08:39:11.801 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr] 6 | use std::io::Read;
Nov 30 08:39:11.801 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `std::env::args`
Nov 30 08:39:11.801 INFO [stderr]  --> src/examples/json_example.rs:8:5
Nov 30 08:39:11.801 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr] 8 | use std::env::args;
Nov 30 08:39:11.801 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `std::io::Error`
Nov 30 08:39:11.801 INFO [stderr]  --> src/examples/json_example.rs:9:5
Nov 30 08:39:11.801 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr] 9 | use std::io::Error;
Nov 30 08:39:11.801 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize`
Nov 30 08:39:11.801 INFO [stderr]   --> src/examples/json_example.rs:12:17
Nov 30 08:39:11.801 INFO [stderr]    |
Nov 30 08:39:11.801 INFO [stderr] 12 | use serde::de::{Deserialize, DeserializeOwned};
Nov 30 08:39:11.801 INFO [stderr]    |                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str`
Nov 30 08:39:11.801 INFO [stderr]   --> src/examples/json_example.rs:13:5
Nov 30 08:39:11.801 INFO [stderr]    |
Nov 30 08:39:11.801 INFO [stderr] 13 | use serde_yaml::from_str as yaml_from_str;
Nov 30 08:39:11.801 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `serde`
Nov 30 08:39:11.801 INFO [stderr]  --> src/examples/yaml_example.rs:1:5
Nov 30 08:39:11.801 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr] 1 | use serde;
Nov 30 08:39:11.801 INFO [stderr]   |     ^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `serde_derive`
Nov 30 08:39:11.801 INFO [stderr]  --> src/examples/yaml_example.rs:2:5
Nov 30 08:39:11.801 INFO [stderr]   |
Nov 30 08:39:11.801 INFO [stderr] 2 | use serde_derive;
Nov 30 08:39:11.801 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 08:39:11.801 INFO [stderr] 
Nov 30 08:39:11.801 INFO [stderr] warning: unused import: `std::env::args`
Nov 30 08:39:11.802 INFO [stderr]  --> src/examples/yaml_example.rs:5:5
Nov 30 08:39:11.802 INFO [stderr]   |
Nov 30 08:39:11.802 INFO [stderr] 5 | use std::env::args;
Nov 30 08:39:11.802 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 08:39:11.802 INFO [stderr] 
Nov 30 08:39:11.975 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:39:11.975 INFO [stderr]   --> src/examples/json_example.rs:18:5
Nov 30 08:39:11.975 INFO [stderr]    |
Nov 30 08:39:11.975 INFO [stderr] 18 |     read_content_of_file_to_string(filepath.as_str(), &mut string);
Nov 30 08:39:11.975 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:39:11.975 INFO [stderr]    |
Nov 30 08:39:11.975 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 08:39:11.975 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:39:11.975 INFO [stderr] 
Nov 30 08:39:12.056 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 08:39:12.056 INFO [stderr]   --> src/examples/json_example.rs:18:5
Nov 30 08:39:12.056 INFO [stderr]    |
Nov 30 08:39:12.056 INFO [stderr] 18 |     read_content_of_file_to_string(filepath.as_str(), &mut string);
Nov 30 08:39:12.056 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 08:39:12.056 INFO [stderr]    |
Nov 30 08:39:12.056 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 08:39:12.056 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 08:39:12.056 INFO [stderr] 
Nov 30 08:39:12.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.36s
Nov 30 08:39:12.104 INFO [stderr] su: No module specific data is present
Nov 30 08:39:12.824 INFO running `"docker" "inspect" "5fdce43789e748bab323576208badcacfe8f0be9f9e004bb5aa1c53730ed22f7"`
Nov 30 08:39:13.164 INFO running `"docker" "rm" "-f" "5fdce43789e748bab323576208badcacfe8f0be9f9e004bb5aa1c53730ed22f7"`
Nov 30 08:39:13.460 INFO [stdout] 5fdce43789e748bab323576208badcacfe8f0be9f9e004bb5aa1c53730ed22f7