[INFO] updating cached repository Januson/kilo-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Januson/kilo-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Januson/kilo-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/Januson/kilo-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Januson/kilo-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Januson/kilo-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Januson/kilo-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Januson/kilo-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5783f4be5c39bf51cffd34a0dcdef6ca7d993307
[INFO] sha for GitHub repo Januson/kilo-rust: 5783f4be5c39bf51cffd34a0dcdef6ca7d993307
[INFO] validating manifest of Januson/kilo-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 Januson/kilo-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 Januson/kilo-rust
[INFO] finished frobbing Januson/kilo-rust
[INFO] frobbed toml for Januson/kilo-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/Januson/kilo-rust/Cargo.toml
[INFO] started frobbing Januson/kilo-rust
[INFO] finished frobbing Januson/kilo-rust
[INFO] frobbed toml for Januson/kilo-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Januson/kilo-rust/Cargo.toml
[INFO] crate Januson/kilo-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 Januson/kilo-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Januson/kilo-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 738e2151ba176a2f970f249f689421dba8bd06223d9e2112c4ff3bfe43ff0032
[INFO] running `"docker" "start" "-a" "738e2151ba176a2f970f249f689421dba8bd06223d9e2112c4ff3bfe43ff0032"`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling kilo-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `echo_on`
[INFO] [stderr]    --> src/main.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn echo_on(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "738e2151ba176a2f970f249f689421dba8bd06223d9e2112c4ff3bfe43ff0032"`
[INFO] running `"docker" "rm" "-f" "738e2151ba176a2f970f249f689421dba8bd06223d9e2112c4ff3bfe43ff0032"`
[INFO] [stdout] 738e2151ba176a2f970f249f689421dba8bd06223d9e2112c4ff3bfe43ff0032
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Januson/kilo-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 54aa59446fdbeba3060de4c26c7ac71d30324b488acea8e21db72dc143e960fe
[INFO] running `"docker" "start" "-a" "54aa59446fdbeba3060de4c26c7ac71d30324b488acea8e21db72dc143e960fe"`
[INFO] [stderr]    Compiling kilo-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `echo_on`
[INFO] [stderr]    --> src/main.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn echo_on(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "54aa59446fdbeba3060de4c26c7ac71d30324b488acea8e21db72dc143e960fe"`
[INFO] running `"docker" "rm" "-f" "54aa59446fdbeba3060de4c26c7ac71d30324b488acea8e21db72dc143e960fe"`
[INFO] [stdout] 54aa59446fdbeba3060de4c26c7ac71d30324b488acea8e21db72dc143e960fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Januson/kilo-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] e5ce3148ff1fe7e645fda6476104e5a6fa631eb02270388879b042a38ca015e5
[INFO] running `"docker" "start" "-a" "e5ce3148ff1fe7e645fda6476104e5a6fa631eb02270388879b042a38ca015e5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kilo_rust-5d98a4317cd7a28d
[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" "e5ce3148ff1fe7e645fda6476104e5a6fa631eb02270388879b042a38ca015e5"`
[INFO] running `"docker" "rm" "-f" "e5ce3148ff1fe7e645fda6476104e5a6fa631eb02270388879b042a38ca015e5"`
[INFO] [stdout] e5ce3148ff1fe7e645fda6476104e5a6fa631eb02270388879b042a38ca015e5