[INFO] cloning repository https://github.com/marcianx/data-structures-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcianx/data-structures-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcianx%2Fdata-structures-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcianx%2Fdata-structures-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 767cdc5827bbb91b6e225e292d8ac17dbc9c1f56
[INFO] testing marcianx/data-structures-rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcianx%2Fdata-structures-rs" "/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/marcianx/data-structures-rs 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/marcianx/data-structures-rs
[INFO] finished tweaking git repo https://github.com/marcianx/data-structures-rs
[INFO] tweaked toml for git repo https://github.com/marcianx/data-structures-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/marcianx/data-structures-rs 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-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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a94d41d43b0356b40d2ec1c127e3f76efdc97ed72ef672499bbabe2feb359d4c
[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" "a94d41d43b0356b40d2ec1c127e3f76efdc97ed72ef672499bbabe2feb359d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a94d41d43b0356b40d2ec1c127e3f76efdc97ed72ef672499bbabe2feb359d4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94d41d43b0356b40d2ec1c127e3f76efdc97ed72ef672499bbabe2feb359d4c", kill_on_drop: false }`
[INFO] [stdout] a94d41d43b0356b40d2ec1c127e3f76efdc97ed72ef672499bbabe2feb359d4c
[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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f2bd01b24d13f422dbf3d598a8d442d16a6d9dab75ee0b2bd4500dde8bcd565
[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" "5f2bd01b24d13f422dbf3d598a8d442d16a6d9dab75ee0b2bd4500dde8bcd565", kill_on_drop: false }`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "5f2bd01b24d13f422dbf3d598a8d442d16a6d9dab75ee0b2bd4500dde8bcd565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2bd01b24d13f422dbf3d598a8d442d16a6d9dab75ee0b2bd4500dde8bcd565", kill_on_drop: false }`
[INFO] [stdout] 5f2bd01b24d13f422dbf3d598a8d442d16a6d9dab75ee0b2bd4500dde8bcd565
[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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dfb35247f0801e7ff2da201a1399f9b05aa744c2e50286a729934c0d642ca69
[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" "4dfb35247f0801e7ff2da201a1399f9b05aa744c2e50286a729934c0d642ca69", kill_on_drop: false }`
[INFO] [stderr]    Compiling lists v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "4dfb35247f0801e7ff2da201a1399f9b05aa744c2e50286a729934c0d642ca69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dfb35247f0801e7ff2da201a1399f9b05aa744c2e50286a729934c0d642ca69", kill_on_drop: false }`
[INFO] [stdout] 4dfb35247f0801e7ff2da201a1399f9b05aa744c2e50286a729934c0d642ca69
[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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4dfd211891c7ea581ac13ea45ed8e4b29b50ac871dd5c9aab28e82b7170aca2
[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" "b4dfd211891c7ea581ac13ea45ed8e4b29b50ac871dd5c9aab28e82b7170aca2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lists-f5f3eb3286aca32c
[INFO] [stdout] running 13 tests
[INFO] [stdout] test immutable_linked_list::test::test_construction ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_iter_mut ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_iter ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_push_pop_crash ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_push_pop_back ... ok
[INFO] [stdout] test immutable_linked_list::test::test_iter ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_into_iter ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_push_pop_both ... ok
[INFO] [stdout] test mutable_doubly_linked_list::test::test_push_pop_front ... ok
[INFO] [stdout] test mutable_linked_list::test::test_into_iter ... ok
[INFO] [stderr]    Doc-tests lists
[INFO] [stdout] test mutable_linked_list::test::test_iter_mut ... ok
[INFO] [stdout] test mutable_linked_list::test::test_iter ... ok
[INFO] [stdout] test mutable_linked_list::test::test_push_pop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 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" "b4dfd211891c7ea581ac13ea45ed8e4b29b50ac871dd5c9aab28e82b7170aca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4dfd211891c7ea581ac13ea45ed8e4b29b50ac871dd5c9aab28e82b7170aca2", kill_on_drop: false }`
[INFO] [stdout] b4dfd211891c7ea581ac13ea45ed8e4b29b50ac871dd5c9aab28e82b7170aca2