[INFO] updating cached repository wuerges/aula-seg-2016-2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wuerges/aula-seg-2016-2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wuerges/aula-seg-2016-2" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/wuerges/aula-seg-2016-2"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/wuerges/aula-seg-2016-2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wuerges/aula-seg-2016-2" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/wuerges/aula-seg-2016-2"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/wuerges/aula-seg-2016-2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2af1976461e99a752117408198b3fe7df9bdbd54
[INFO] sha for GitHub repo wuerges/aula-seg-2016-2: 2af1976461e99a752117408198b3fe7df9bdbd54
[INFO] validating manifest of wuerges/aula-seg-2016-2 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wuerges/aula-seg-2016-2 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wuerges/aula-seg-2016-2
[INFO] finished frobbing wuerges/aula-seg-2016-2
[INFO] frobbed toml for wuerges/aula-seg-2016-2 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/wuerges/aula-seg-2016-2/Cargo.toml
[INFO] started frobbing wuerges/aula-seg-2016-2
[INFO] finished frobbing wuerges/aula-seg-2016-2
[INFO] frobbed toml for wuerges/aula-seg-2016-2 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/wuerges/aula-seg-2016-2/Cargo.toml
[INFO] crate wuerges/aula-seg-2016-2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/wuerges/aula-seg-2016-2/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wuerges/aula-seg-2016-2 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/wuerges/aula-seg-2016-2:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e78f6e3762dd801c5699a59cb5d926bdf4725518a4d687cd8866c864588d474d
[INFO] running `"docker" "start" "-a" "e78f6e3762dd801c5699a59cb5d926bdf4725518a4d687cd8866c864588d474d"`
[INFO] [stderr]     Checking aula-seg-2016-2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/bin/ceasar.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/bin/ceasar.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/bin/ceasar.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/bin/ceasar.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inp`
[INFO] [stderr]   --> src/bin/ceasar.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn ceasar_cypher(inp: &Vec<u8>, out: &mut Vec<u8>, key: u8) {
[INFO] [stderr]    |                  ^^^ help: consider prefixing with an underscore: `_inp`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out`
[INFO] [stderr]   --> src/bin/ceasar.rs:12:33
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn ceasar_cypher(inp: &Vec<u8>, out: &mut Vec<u8>, key: u8) {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_out`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/ceasar.rs:12:52
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn ceasar_cypher(inp: &Vec<u8>, out: &mut Vec<u8>, key: u8) {
[INFO] [stderr]    |                                                    ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/bin/ceasar.rs:63:20
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 Ok(m) => { println!("OK!!!") }
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inp`
[INFO] [stderr]   --> src/bin/ceasar.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn ceasar_cypher(inp: &Vec<u8>, out: &mut Vec<u8>, key: u8) {
[INFO] [stderr]    |                  ^^^ help: consider prefixing with an underscore: `_inp`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `out`
[INFO] [stderr]   --> src/bin/ceasar.rs:12:33
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn ceasar_cypher(inp: &Vec<u8>, out: &mut Vec<u8>, key: u8) {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_out`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/bin/ceasar.rs:12:52
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn ceasar_cypher(inp: &Vec<u8>, out: &mut Vec<u8>, key: u8) {
[INFO] [stderr]    |                                                    ^^^ help: consider prefixing with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/bin/ceasar.rs:63:20
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 Ok(m) => { println!("OK!!!") }
[INFO] [stderr]    |                    ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "e78f6e3762dd801c5699a59cb5d926bdf4725518a4d687cd8866c864588d474d"`
[INFO] running `"docker" "rm" "-f" "e78f6e3762dd801c5699a59cb5d926bdf4725518a4d687cd8866c864588d474d"`
[INFO] [stdout] e78f6e3762dd801c5699a59cb5d926bdf4725518a4d687cd8866c864588d474d