[INFO] updating cached repository Shacham6/serde_training_rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Shacham6/serde_training_rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Shacham6/serde_training_rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/Shacham6/serde_training_rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Shacham6/serde_training_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Shacham6/serde_training_rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Shacham6/serde_training_rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Shacham6/serde_training_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d65da5df5decc3c0741b1d6c78a1b2cbfe74bd0d [INFO] sha for GitHub repo Shacham6/serde_training_rust: d65da5df5decc3c0741b1d6c78a1b2cbfe74bd0d [INFO] validating manifest of Shacham6/serde_training_rust on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Shacham6/serde_training_rust on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Shacham6/serde_training_rust [INFO] finished frobbing Shacham6/serde_training_rust [INFO] frobbed toml for Shacham6/serde_training_rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/Shacham6/serde_training_rust/Cargo.toml [INFO] started frobbing Shacham6/serde_training_rust [INFO] finished frobbing Shacham6/serde_training_rust [INFO] frobbed toml for Shacham6/serde_training_rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Shacham6/serde_training_rust/Cargo.toml [INFO] crate Shacham6/serde_training_rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Shacham6/serde_training_rust against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Shacham6/serde_training_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 6326e1daab147bfd97bfb6876bc10890088f923762dcdc27160493b3c7495832 [INFO] running `"docker" "start" "-a" "6326e1daab147bfd97bfb6876bc10890088f923762dcdc27160493b3c7495832"` [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling serde_yaml v0.7.1 [INFO] [stderr] Compiling serde_fun v0.1.0 (/opt/crater/workdir) [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] Finished dev [unoptimized + debuginfo] target(s) in 9.83s [INFO] running `"docker" "inspect" "6326e1daab147bfd97bfb6876bc10890088f923762dcdc27160493b3c7495832"` [INFO] running `"docker" "rm" "-f" "6326e1daab147bfd97bfb6876bc10890088f923762dcdc27160493b3c7495832"` [INFO] [stdout] 6326e1daab147bfd97bfb6876bc10890088f923762dcdc27160493b3c7495832 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Shacham6/serde_training_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] e45a88e502f3c10801625d3c072f848166521cf2b2cf84303e6c31e5181c63a8 [INFO] running `"docker" "start" "-a" "e45a88e502f3c10801625d3c072f848166521cf2b2cf84303e6c31e5181c63a8"` [INFO] [stderr] Compiling serde_fun v0.1.0 (/opt/crater/workdir) [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] Finished dev [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `"docker" "inspect" "e45a88e502f3c10801625d3c072f848166521cf2b2cf84303e6c31e5181c63a8"` [INFO] running `"docker" "rm" "-f" "e45a88e502f3c10801625d3c072f848166521cf2b2cf84303e6c31e5181c63a8"` [INFO] [stdout] e45a88e502f3c10801625d3c072f848166521cf2b2cf84303e6c31e5181c63a8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Shacham6/serde_training_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] c713d32f054cec91dffe6667834b6470b8baf15dd98e437694cd0c636134e138 [INFO] running `"docker" "start" "-a" "c713d32f054cec91dffe6667834b6470b8baf15dd98e437694cd0c636134e138"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/serde_fun-aee085dee376f6c0 [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 `"docker" "inspect" "c713d32f054cec91dffe6667834b6470b8baf15dd98e437694cd0c636134e138"` [INFO] running `"docker" "rm" "-f" "c713d32f054cec91dffe6667834b6470b8baf15dd98e437694cd0c636134e138"` [INFO] [stdout] c713d32f054cec91dffe6667834b6470b8baf15dd98e437694cd0c636134e138