[INFO] updating cached repository https://github.com/rusty-cat-life/wordcount
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd6122737b66ab0d98a1beae90e8c4288f8e99c5
[INFO] testing rusty-cat-life/wordcount against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty-cat-life%2Fwordcount" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rusty-cat-life/wordcount on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rusty-cat-life/wordcount
[INFO] finished tweaking git repo https://github.com/rusty-cat-life/wordcount
[INFO] tweaked toml for git repo https://github.com/rusty-cat-life/wordcount written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/rusty-cat-life/wordcount already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29e0a6e47d48c6bfbdd70e884169e058ff681483fbb33491ce17ff8500999c78
[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" "29e0a6e47d48c6bfbdd70e884169e058ff681483fbb33491ce17ff8500999c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e0a6e47d48c6bfbdd70e884169e058ff681483fbb33491ce17ff8500999c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e0a6e47d48c6bfbdd70e884169e058ff681483fbb33491ce17ff8500999c78", kill_on_drop: false }`
[INFO] [stdout] 29e0a6e47d48c6bfbdd70e884169e058ff681483fbb33491ce17ff8500999c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64387df5c51e31e95cf2216a8de81f6b6ceca0a81dfaab6fdf2d96d372e3f6f3
[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" "64387df5c51e31e95cf2216a8de81f6b6ceca0a81dfaab6fdf2d96d372e3f6f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Char`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Line`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Line,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "64387df5c51e31e95cf2216a8de81f6b6ceca0a81dfaab6fdf2d96d372e3f6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64387df5c51e31e95cf2216a8de81f6b6ceca0a81dfaab6fdf2d96d372e3f6f3", kill_on_drop: false }`
[INFO] [stdout] 64387df5c51e31e95cf2216a8de81f6b6ceca0a81dfaab6fdf2d96d372e3f6f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 736895cf4a0ed96412cc2f40fc750bfba222cdf548291f4f1c64cc0f7ef6fc1c
[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" "736895cf4a0ed96412cc2f40fc750bfba222cdf548291f4f1c64cc0f7ef6fc1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling wordcount v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Char`
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Line`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Line,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "736895cf4a0ed96412cc2f40fc750bfba222cdf548291f4f1c64cc0f7ef6fc1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736895cf4a0ed96412cc2f40fc750bfba222cdf548291f4f1c64cc0f7ef6fc1c", kill_on_drop: false }`
[INFO] [stdout] 736895cf4a0ed96412cc2f40fc750bfba222cdf548291f4f1c64cc0f7ef6fc1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2fb0b34e456826ce4c9f1dfdb2516a31aa1abbe63a41656b46ea761b4838a40
[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" "c2fb0b34e456826ce4c9f1dfdb2516a31aa1abbe63a41656b46ea761b4838a40", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Char`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Char,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Line`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Line,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wordcount-c756e3cfafec4b8b
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test word_count_works2 ... ok
[INFO] [stdout] test word_count_works ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wordcount-77868b0595cede1b
[INFO] [stdout] test word_count_do_not_contain_unknown_words ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lib::word_count_works2 ... ok
[INFO] [stdout] test lib::word_count_works ... ok
[INFO] [stderr]    Doc-tests wordcount
[INFO] [stdout] test lib::word_count_do_not_contain_unknown_words ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "c2fb0b34e456826ce4c9f1dfdb2516a31aa1abbe63a41656b46ea761b4838a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fb0b34e456826ce4c9f1dfdb2516a31aa1abbe63a41656b46ea761b4838a40", kill_on_drop: false }`
[INFO] [stdout] c2fb0b34e456826ce4c9f1dfdb2516a31aa1abbe63a41656b46ea761b4838a40