[INFO] updating cached repository tukoke2018tutkielma/tutkielma2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tukoke2018tutkielma/tutkielma2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tukoke2018tutkielma/tutkielma2018" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tukoke2018tutkielma/tutkielma2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tukoke2018tutkielma/tutkielma2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tukoke2018tutkielma/tutkielma2018" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tukoke2018tutkielma/tutkielma2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tukoke2018tutkielma/tutkielma2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6b736e77462b3e1acf75cb8f75cf1d54405a418
[INFO] sha for GitHub repo tukoke2018tutkielma/tutkielma2018: c6b736e77462b3e1acf75cb8f75cf1d54405a418
[INFO] validating manifest of tukoke2018tutkielma/tutkielma2018 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tukoke2018tutkielma/tutkielma2018 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tukoke2018tutkielma/tutkielma2018
[INFO] finished frobbing tukoke2018tutkielma/tutkielma2018
[INFO] frobbed toml for tukoke2018tutkielma/tutkielma2018 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tukoke2018tutkielma/tutkielma2018/Cargo.toml
[INFO] started frobbing tukoke2018tutkielma/tutkielma2018
[INFO] finished frobbing tukoke2018tutkielma/tutkielma2018
[INFO] frobbed toml for tukoke2018tutkielma/tutkielma2018 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tukoke2018tutkielma/tutkielma2018/Cargo.toml
[INFO] crate tukoke2018tutkielma/tutkielma2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tukoke2018tutkielma/tutkielma2018 against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-2/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tukoke2018tutkielma/tutkielma2018:/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=forbid" "-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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d96447e4d20f4879668889276550ab59f9ea80338947faa418df4195b992d31c
[INFO] running `"docker" "start" "-a" "d96447e4d20f4879668889276550ab59f9ea80338947faa418df4195b992d31c"`
[INFO] [stderr]     Checking java_to_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Seek`
[INFO] [stderr]  --> src/main.rs:3:63
[INFO] [stderr]   |
[INFO] [stderr] 3 |                     io::{self, Error, ErrorKind, Read, Write, Seek}};
[INFO] [stderr]   |                                                               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Op`
[INFO] [stderr]  --> src/tokenizer/token_to_code.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::Op;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Seek`
[INFO] [stderr]  --> src/main.rs:3:63
[INFO] [stderr]   |
[INFO] [stderr] 3 |                     io::{self, Error, ErrorKind, Read, Write, Seek}};
[INFO] [stderr]   |                                                               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Op`
[INFO] [stderr]  --> src/tokenizer/token_to_code.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::Op;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ErrorKind`
[INFO] [stderr]  --> src/tokenizer/mod.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Error, ErrorKind};
[INFO] [stderr]   |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ErrorKind`
[INFO] [stderr]  --> src/tokenizer/mod.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Error, ErrorKind};
[INFO] [stderr]   |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/tokenizer/token_to_code.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | /         for token in token_list {
[INFO] [stderr] 35 | |             println!("{:?}", token);
[INFO] [stderr] 36 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/tokenizer/token_to_code.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | /         for token in token_list {
[INFO] [stderr] 35 | |             println!("{:?}", token);
[INFO] [stderr] 36 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]   --> src/tokenizer/token_to_code.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut result: String = String::new();
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]   --> src/tokenizer/token_to_code.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut result: String = String::new();
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "d96447e4d20f4879668889276550ab59f9ea80338947faa418df4195b992d31c"`
[INFO] running `"docker" "rm" "-f" "d96447e4d20f4879668889276550ab59f9ea80338947faa418df4195b992d31c"`
[INFO] [stdout] d96447e4d20f4879668889276550ab59f9ea80338947faa418df4195b992d31c