[INFO] updating cached repository YitzhakAndrade/rust-hello-world
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/YitzhakAndrade/rust-hello-world
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/YitzhakAndrade/rust-hello-world" "work/ex/beta-1.38-1/sources/1.37.0/gh/YitzhakAndrade/rust-hello-world"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/YitzhakAndrade/rust-hello-world'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/YitzhakAndrade/rust-hello-world" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YitzhakAndrade/rust-hello-world"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YitzhakAndrade/rust-hello-world'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a4815559927fa4a9c3d6003f84af5e6e4d3eccd
[INFO] sha for GitHub repo YitzhakAndrade/rust-hello-world: 3a4815559927fa4a9c3d6003f84af5e6e4d3eccd
[INFO] validating manifest of YitzhakAndrade/rust-hello-world on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of YitzhakAndrade/rust-hello-world on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing YitzhakAndrade/rust-hello-world
[INFO] finished frobbing YitzhakAndrade/rust-hello-world
[INFO] frobbed toml for YitzhakAndrade/rust-hello-world written to work/ex/beta-1.38-1/sources/1.37.0/gh/YitzhakAndrade/rust-hello-world/Cargo.toml
[INFO] started frobbing YitzhakAndrade/rust-hello-world
[INFO] finished frobbing YitzhakAndrade/rust-hello-world
[INFO] frobbed toml for YitzhakAndrade/rust-hello-world written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YitzhakAndrade/rust-hello-world/Cargo.toml
[INFO] crate YitzhakAndrade/rust-hello-world already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing YitzhakAndrade/rust-hello-world against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YitzhakAndrade/rust-hello-world:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 55e98cda823a6d9b04eb6d9ef95ae5492eae27e7f051acb67691c7d8b0941c86
[INFO] running `"docker" "start" "-a" "55e98cda823a6d9b04eb6d9ef95ae5492eae27e7f051acb67691c7d8b0941c86"`
[INFO] [stderr]    Compiling roadshow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `grita`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn grita(string: String) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exercicio_loop`
[INFO] [stderr]   --> src/main.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn exercicio_loop() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `canta`
[INFO] [stderr]   --> src/main.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn canta(n: i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exercicio_if`
[INFO] [stderr]   --> src/main.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn exercicio_if() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `par`
[INFO] [stderr]    --> src/main.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn par(n: i32) -> &'static str {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `impar`
[INFO] [stderr]    --> src/main.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn impar(n: i32) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "55e98cda823a6d9b04eb6d9ef95ae5492eae27e7f051acb67691c7d8b0941c86"`
[INFO] running `"docker" "rm" "-f" "55e98cda823a6d9b04eb6d9ef95ae5492eae27e7f051acb67691c7d8b0941c86"`
[INFO] [stdout] 55e98cda823a6d9b04eb6d9ef95ae5492eae27e7f051acb67691c7d8b0941c86
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YitzhakAndrade/rust-hello-world:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1ddc6c9c9d654c327bc811feb51313738e7044c172be87c8b3d8be7bb034c957
[INFO] running `"docker" "start" "-a" "1ddc6c9c9d654c327bc811feb51313738e7044c172be87c8b3d8be7bb034c957"`
[INFO] [stderr]    Compiling roadshow v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `grita`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn grita(string: String) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exercicio_loop`
[INFO] [stderr]   --> src/main.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn exercicio_loop() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `canta`
[INFO] [stderr]   --> src/main.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn canta(n: i32) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exercicio_if`
[INFO] [stderr]   --> src/main.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn exercicio_if() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `par`
[INFO] [stderr]    --> src/main.rs:118:1
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn par(n: i32) -> &'static str {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `impar`
[INFO] [stderr]    --> src/main.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | fn impar(n: i32) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "1ddc6c9c9d654c327bc811feb51313738e7044c172be87c8b3d8be7bb034c957"`
[INFO] running `"docker" "rm" "-f" "1ddc6c9c9d654c327bc811feb51313738e7044c172be87c8b3d8be7bb034c957"`
[INFO] [stdout] 1ddc6c9c9d654c327bc811feb51313738e7044c172be87c8b3d8be7bb034c957
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/YitzhakAndrade/rust-hello-world:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4a0e8880dd2aedb16bc54f083b74c78bc50d088c17ea21ad66c3a9104fd7c4c2
[INFO] running `"docker" "start" "-a" "4a0e8880dd2aedb16bc54f083b74c78bc50d088c17ea21ad66c3a9104fd7c4c2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/roadshow-6be883b0e8c264ec
[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" "4a0e8880dd2aedb16bc54f083b74c78bc50d088c17ea21ad66c3a9104fd7c4c2"`
[INFO] running `"docker" "rm" "-f" "4a0e8880dd2aedb16bc54f083b74c78bc50d088c17ea21ad66c3a9104fd7c4c2"`
[INFO] [stdout] 4a0e8880dd2aedb16bc54f083b74c78bc50d088c17ea21ad66c3a9104fd7c4c2