[INFO] cloning repository https://github.com/cdouglass/morse-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdouglass/morse-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdouglass%2Fmorse-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdouglass%2Fmorse-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d9c32e9f1391fc62e7e773bde29064435efa732
[INFO] testing cdouglass/morse-practice against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdouglass%2Fmorse-practice" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdouglass/morse-practice on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdouglass/morse-practice
[INFO] finished tweaking git repo https://github.com/cdouglass/morse-practice
[INFO] tweaked toml for git repo https://github.com/cdouglass/morse-practice written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/cdouglass/morse-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86d36843e73d817cebd24281d74cb7d4b7c2d335ca92d8cb0ec3bda97151eff8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86d36843e73d817cebd24281d74cb7d4b7c2d335ca92d8cb0ec3bda97151eff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d36843e73d817cebd24281d74cb7d4b7c2d335ca92d8cb0ec3bda97151eff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d36843e73d817cebd24281d74cb7d4b7c2d335ca92d8cb0ec3bda97151eff8", kill_on_drop: false }`
[INFO] [stdout] 86d36843e73d817cebd24281d74cb7d4b7c2d335ca92d8cb0ec3bda97151eff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e88d75a44cb7be7d3e7045c9b1ea79e5a735eabf30b0d5a81927cb6edc305bcf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e88d75a44cb7be7d3e7045c9b1ea79e5a735eabf30b0d5a81927cb6edc305bcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.35
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling serde v1.0.29
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling serde_derive_internals v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.29
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling morse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/words.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub words: Box<Iterator<Item=String>>
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=String>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.79s
[INFO] running `Command { std: "docker" "inspect" "e88d75a44cb7be7d3e7045c9b1ea79e5a735eabf30b0d5a81927cb6edc305bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e88d75a44cb7be7d3e7045c9b1ea79e5a735eabf30b0d5a81927cb6edc305bcf", kill_on_drop: false }`
[INFO] [stdout] e88d75a44cb7be7d3e7045c9b1ea79e5a735eabf30b0d5a81927cb6edc305bcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b5726274b522439ea244a957931dd2963cd26cab417e664377f3c8428a0bfe9
[INFO] running `Command { std: "docker" "start" "-a" "4b5726274b522439ea244a957931dd2963cd26cab417e664377f3c8428a0bfe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling morse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/words.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub words: Box<Iterator<Item=String>>
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=String>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "4b5726274b522439ea244a957931dd2963cd26cab417e664377f3c8428a0bfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5726274b522439ea244a957931dd2963cd26cab417e664377f3c8428a0bfe9", kill_on_drop: false }`
[INFO] [stdout] 4b5726274b522439ea244a957931dd2963cd26cab417e664377f3c8428a0bfe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d977e8546fe3277610c3f7a7956dacc2d9329d9ef8a6e952056d863544bf5e5
[INFO] running `Command { std: "docker" "start" "-a" "6d977e8546fe3277610c3f7a7956dacc2d9329d9ef8a6e952056d863544bf5e5", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/words.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub words: Box<Iterator<Item=String>>
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=String>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/morse-5bb487cbc14fbc2b
[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 `Command { std: "docker" "inspect" "6d977e8546fe3277610c3f7a7956dacc2d9329d9ef8a6e952056d863544bf5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d977e8546fe3277610c3f7a7956dacc2d9329d9ef8a6e952056d863544bf5e5", kill_on_drop: false }`
[INFO] [stdout] 6d977e8546fe3277610c3f7a7956dacc2d9329d9ef8a6e952056d863544bf5e5