[INFO] cloning repository https://github.com/SebastiaanYN/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SebastiaanYN/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastiaanYN%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastiaanYN%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e70c61d0681d234fd7cc82c86d01118cd73464e
[INFO] testing SebastiaanYN/rust-playground against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastiaanYN%2Frust-playground" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SebastiaanYN/rust-playground on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SebastiaanYN/rust-playground
[INFO] finished tweaking git repo https://github.com/SebastiaanYN/rust-playground
[INFO] tweaked toml for git repo https://github.com/SebastiaanYN/rust-playground written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SebastiaanYN/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488627495a2e0b417b869517f3c3db9cc255bbc2479b2e2b5a2c6395ec61d29f
[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" "488627495a2e0b417b869517f3c3db9cc255bbc2479b2e2b5a2c6395ec61d29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488627495a2e0b417b869517f3c3db9cc255bbc2479b2e2b5a2c6395ec61d29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488627495a2e0b417b869517f3c3db9cc255bbc2479b2e2b5a2c6395ec61d29f", kill_on_drop: false }`
[INFO] [stdout] 488627495a2e0b417b869517f3c3db9cc255bbc2479b2e2b5a2c6395ec61d29f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ada3ed454d7fec6ccc4d382e812ac987c2ca3762e36051357cd7806be6384144
[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" "ada3ed454d7fec6ccc4d382e812ac987c2ca3762e36051357cd7806be6384144", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "ada3ed454d7fec6ccc4d382e812ac987c2ca3762e36051357cd7806be6384144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada3ed454d7fec6ccc4d382e812ac987c2ca3762e36051357cd7806be6384144", kill_on_drop: false }`
[INFO] [stdout] ada3ed454d7fec6ccc4d382e812ac987c2ca3762e36051357cd7806be6384144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf8fe7600eddb2b37cdee585ad86382dd5dc01cb77c448d12616a20d0408c810
[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" "cf8fe7600eddb2b37cdee585ad86382dd5dc01cb77c448d12616a20d0408c810", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "cf8fe7600eddb2b37cdee585ad86382dd5dc01cb77c448d12616a20d0408c810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8fe7600eddb2b37cdee585ad86382dd5dc01cb77c448d12616a20d0408c810", kill_on_drop: false }`
[INFO] [stdout] cf8fe7600eddb2b37cdee585ad86382dd5dc01cb77c448d12616a20d0408c810
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8bd97b41cacc9f0936edcfe8b3afc1c30348e8e23332d0e9b561af1c238520f9
[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" "8bd97b41cacc9f0936edcfe8b3afc1c30348e8e23332d0e9b561af1c238520f9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 26 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground-0e72a02fa4a1abdc)
[INFO] [stdout] test lists::macros::test::repeating_value ... ok
[INFO] [stdout] test lists::macros::test::single_linked_list ... ok
[INFO] [stdout] test lists::safe_linked_list::test::peek_back ... ok
[INFO] [stdout] test lists::safe_linked_list::test::peek_back_mut ... ok
[INFO] [stdout] test lists::safe_linked_list::test::pop_front ... ok
[INFO] [stdout] test lists::safe_linked_list::test::push_back ... ok
[INFO] [stdout] test lists::safe_linked_list::test::push_front ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::back_mut ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::clear ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::front ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::front_mut ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::is_empty ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::iterator ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::len ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::pop_back ... ok
[INFO] [stdout] test lists::macros::test::multiple_linked_list ... ok
[INFO] [stdout] test lists::safe_linked_list::test::iterator ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::push_front ... ok
[INFO] [stdout] test lists::macros::test::empty_linked_list ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::pop_front ... ok
[INFO] [stdout] test lists::safe_linked_list::test::peek_front ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::push_back ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::nth ... ok
[INFO] [stdout] test lists::safe_linked_list::test::peek_front_mut ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::back ... ok
[INFO] [stdout] test lists::safe_linked_list::test::pop_back ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bd97b41cacc9f0936edcfe8b3afc1c30348e8e23332d0e9b561af1c238520f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd97b41cacc9f0936edcfe8b3afc1c30348e8e23332d0e9b561af1c238520f9", kill_on_drop: false }`
[INFO] [stdout] 8bd97b41cacc9f0936edcfe8b3afc1c30348e8e23332d0e9b561af1c238520f9