[INFO] updating cached repository stearnsc/enigma
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stearnsc/enigma
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stearnsc/enigma" "work/ex/beta-1.38-1/sources/1.37.0/gh/stearnsc/enigma"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/stearnsc/enigma'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stearnsc/enigma" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stearnsc/enigma"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stearnsc/enigma'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 42521930361b569226ae158ae267ddbfc575202a
[INFO] sha for GitHub repo stearnsc/enigma: 42521930361b569226ae158ae267ddbfc575202a
[INFO] validating manifest of stearnsc/enigma 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 stearnsc/enigma 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 stearnsc/enigma
[INFO] finished frobbing stearnsc/enigma
[INFO] frobbed toml for stearnsc/enigma written to work/ex/beta-1.38-1/sources/1.37.0/gh/stearnsc/enigma/Cargo.toml
[INFO] started frobbing stearnsc/enigma
[INFO] finished frobbing stearnsc/enigma
[INFO] frobbed toml for stearnsc/enigma written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/stearnsc/enigma/Cargo.toml
[INFO] crate stearnsc/enigma 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stearnsc/enigma against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stearnsc/enigma:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b7da7909f15e883a4e49df2a99026cfa3255cb48553fa7a0428cc00c160ecfd2
[INFO] running `"docker" "start" "-a" "b7da7909f15e883a4e49df2a99026cfa3255cb48553fa7a0428cc00c160ecfd2"`
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling enigma v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new_rand`
[INFO] [stderr]    --> src/main.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn new_rand() -> Rotor {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_rand`
[INFO] [stderr]    --> src/main.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 264 |     fn new_rand() -> Reflector {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `"docker" "inspect" "b7da7909f15e883a4e49df2a99026cfa3255cb48553fa7a0428cc00c160ecfd2"`
[INFO] running `"docker" "rm" "-f" "b7da7909f15e883a4e49df2a99026cfa3255cb48553fa7a0428cc00c160ecfd2"`
[INFO] [stdout] b7da7909f15e883a4e49df2a99026cfa3255cb48553fa7a0428cc00c160ecfd2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stearnsc/enigma:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4956b2d5bab6f1935c21ea2f5ef58d1028689cb83cc36eb67f8121fa38d96347
[INFO] running `"docker" "start" "-a" "4956b2d5bab6f1935c21ea2f5ef58d1028689cb83cc36eb67f8121fa38d96347"`
[INFO] [stderr]    Compiling enigma v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/main.rs:345:9
[INFO] [stderr]     |
[INFO] [stderr] 345 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_rand`
[INFO] [stderr]    --> src/main.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn new_rand() -> Rotor {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_rand`
[INFO] [stderr]    --> src/main.rs:264:5
[INFO] [stderr]     |
[INFO] [stderr] 264 |     fn new_rand() -> Reflector {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "4956b2d5bab6f1935c21ea2f5ef58d1028689cb83cc36eb67f8121fa38d96347"`
[INFO] running `"docker" "rm" "-f" "4956b2d5bab6f1935c21ea2f5ef58d1028689cb83cc36eb67f8121fa38d96347"`
[INFO] [stdout] 4956b2d5bab6f1935c21ea2f5ef58d1028689cb83cc36eb67f8121fa38d96347
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/stearnsc/enigma:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] dc88b8e16ed553e4880cefb7f6bdceece277fbba4d7c5ad674ad3167c8112f6a
[INFO] running `"docker" "start" "-a" "dc88b8e16ed553e4880cefb7f6bdceece277fbba4d7c5ad674ad3167c8112f6a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/enigma-140f6941509fa390
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::todo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "dc88b8e16ed553e4880cefb7f6bdceece277fbba4d7c5ad674ad3167c8112f6a"`
[INFO] running `"docker" "rm" "-f" "dc88b8e16ed553e4880cefb7f6bdceece277fbba4d7c5ad674ad3167c8112f6a"`
[INFO] [stdout] dc88b8e16ed553e4880cefb7f6bdceece277fbba4d7c5ad674ad3167c8112f6a