[INFO] updating cached repository OtherAesop/asciilines
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/OtherAesop/asciilines
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/OtherAesop/asciilines" "work/ex/beta-1.38-1/sources/1.37.0/gh/OtherAesop/asciilines"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/OtherAesop/asciilines'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/OtherAesop/asciilines" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/OtherAesop/asciilines"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/OtherAesop/asciilines'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 695e06e2509ebe19d031e5fe89d7c57642407dd7
[INFO] sha for GitHub repo OtherAesop/asciilines: 695e06e2509ebe19d031e5fe89d7c57642407dd7
[INFO] validating manifest of OtherAesop/asciilines 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 OtherAesop/asciilines 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 OtherAesop/asciilines
[INFO] finished frobbing OtherAesop/asciilines
[INFO] frobbed toml for OtherAesop/asciilines written to work/ex/beta-1.38-1/sources/1.37.0/gh/OtherAesop/asciilines/Cargo.toml
[INFO] started frobbing OtherAesop/asciilines
[INFO] finished frobbing OtherAesop/asciilines
[INFO] frobbed toml for OtherAesop/asciilines written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/OtherAesop/asciilines/Cargo.toml
[INFO] crate OtherAesop/asciilines 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 OtherAesop/asciilines 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/OtherAesop/asciilines:/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] 0496e20a53801a5ff3e0c35bdad994a387500cac6ff0ff128d8c20e128056071
[INFO] running `"docker" "start" "-a" "0496e20a53801a5ff3e0c35bdad994a387500cac6ff0ff128d8c20e128056071"`
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling asciilines v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `curr_command` is never read
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut curr_command = vec![];
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut board = vec![vec!["."; canvas[0].parse().unwrap()]; canvas[1].parse().unwrap()];
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.23s
[INFO] running `"docker" "inspect" "0496e20a53801a5ff3e0c35bdad994a387500cac6ff0ff128d8c20e128056071"`
[INFO] running `"docker" "rm" "-f" "0496e20a53801a5ff3e0c35bdad994a387500cac6ff0ff128d8c20e128056071"`
[INFO] [stdout] 0496e20a53801a5ff3e0c35bdad994a387500cac6ff0ff128d8c20e128056071
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/OtherAesop/asciilines:/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] e906ff93668db99b29529bf438103682b1c1f2f875cd2586800a9ff2d914f1fa
[INFO] running `"docker" "start" "-a" "e906ff93668db99b29529bf438103682b1c1f2f875cd2586800a9ff2d914f1fa"`
[INFO] [stderr]    Compiling asciilines v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `curr_command` is never read
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut curr_command = vec![];
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut board = vec![vec!["."; canvas[0].parse().unwrap()]; canvas[1].parse().unwrap()];
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "e906ff93668db99b29529bf438103682b1c1f2f875cd2586800a9ff2d914f1fa"`
[INFO] running `"docker" "rm" "-f" "e906ff93668db99b29529bf438103682b1c1f2f875cd2586800a9ff2d914f1fa"`
[INFO] [stdout] e906ff93668db99b29529bf438103682b1c1f2f875cd2586800a9ff2d914f1fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/OtherAesop/asciilines:/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] 8c0418ace1783ed4e24d79b79f41d1ed430c370cdf490798ff9594259a4a04c8
[INFO] running `"docker" "start" "-a" "8c0418ace1783ed4e24d79b79f41d1ed430c370cdf490798ff9594259a4a04c8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/asciilines-ef2026dd6a783072
[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" "8c0418ace1783ed4e24d79b79f41d1ed430c370cdf490798ff9594259a4a04c8"`
[INFO] running `"docker" "rm" "-f" "8c0418ace1783ed4e24d79b79f41d1ed430c370cdf490798ff9594259a4a04c8"`
[INFO] [stdout] 8c0418ace1783ed4e24d79b79f41d1ed430c370cdf490798ff9594259a4a04c8