[INFO] cloning repository https://github.com/myermakov/practice-lists
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myermakov/practice-lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyermakov%2Fpractice-lists", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyermakov%2Fpractice-lists'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a26ef12e2620f6a9d828b3b44e69ef7bcaef8fa3
[INFO] testing myermakov/practice-lists against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyermakov%2Fpractice-lists" "/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/myermakov/practice-lists on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/myermakov/practice-lists
[INFO] finished tweaking git repo https://github.com/myermakov/practice-lists
[INFO] tweaked toml for git repo https://github.com/myermakov/practice-lists written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/myermakov/practice-lists already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", 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] a9dcae49f103ad805b4f4ad1b8b3fb79cfa737e7759a54391704d59bee7c2561
[INFO] running `Command { std: "docker" "start" "-a" "a9dcae49f103ad805b4f4ad1b8b3fb79cfa737e7759a54391704d59bee7c2561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9dcae49f103ad805b4f4ad1b8b3fb79cfa737e7759a54391704d59bee7c2561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9dcae49f103ad805b4f4ad1b8b3fb79cfa737e7759a54391704d59bee7c2561", kill_on_drop: false }`
[INFO] [stdout] a9dcae49f103ad805b4f4ad1b8b3fb79cfa737e7759a54391704d59bee7c2561
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddfc8115c50fec253796fd25e6a8c0115c9f07d03c59ce62aec9a92df97c9398
[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" "ddfc8115c50fec253796fd25e6a8c0115c9f07d03c59ce62aec9a92df97c9398", kill_on_drop: false }`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "ddfc8115c50fec253796fd25e6a8c0115c9f07d03c59ce62aec9a92df97c9398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfc8115c50fec253796fd25e6a8c0115c9f07d03c59ce62aec9a92df97c9398", kill_on_drop: false }`
[INFO] [stdout] ddfc8115c50fec253796fd25e6a8c0115c9f07d03c59ce62aec9a92df97c9398
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 702807c2477da91b5a131f81487a6fe26cc009c9da17f6a05351d3c8a531d99f
[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" "702807c2477da91b5a131f81487a6fe26cc009c9da17f6a05351d3c8a531d99f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "702807c2477da91b5a131f81487a6fe26cc009c9da17f6a05351d3c8a531d99f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702807c2477da91b5a131f81487a6fe26cc009c9da17f6a05351d3c8a531d99f", kill_on_drop: false }`
[INFO] [stdout] 702807c2477da91b5a131f81487a6fe26cc009c9da17f6a05351d3c8a531d99f
[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" "+beta-2021-01-01" "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] 6443b0160478199ac9d543b28be41ffb7a5d682d2bb031376e552ada61d8cb1b
[INFO] running `Command { std: "docker" "start" "-a" "6443b0160478199ac9d543b28be41ffb7a5d682d2bb031376e552ada61d8cb1b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lists-38d8644df548adeb
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test first::test::basics ... ok
[INFO] [stdout] test second::test::intoiter ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test second::test::iter ... ok
[INFO] [stdout] test second::test::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lists
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6443b0160478199ac9d543b28be41ffb7a5d682d2bb031376e552ada61d8cb1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6443b0160478199ac9d543b28be41ffb7a5d682d2bb031376e552ada61d8cb1b", kill_on_drop: false }`
[INFO] [stdout] 6443b0160478199ac9d543b28be41ffb7a5d682d2bb031376e552ada61d8cb1b