[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastiaanYN%2Frust-playground" "/workspace/builds/worker-58/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-58/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SebastiaanYN/rust-playground on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-58/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6a4b0d66317995e901ea9a7f4fc56fc42058fb585b42d387c513cef2485f671
[INFO] running `Command { std: "docker" "start" "-a" "a6a4b0d66317995e901ea9a7f4fc56fc42058fb585b42d387c513cef2485f671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a4b0d66317995e901ea9a7f4fc56fc42058fb585b42d387c513cef2485f671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a4b0d66317995e901ea9a7f4fc56fc42058fb585b42d387c513cef2485f671", kill_on_drop: false }`
[INFO] [stdout] a6a4b0d66317995e901ea9a7f4fc56fc42058fb585b42d387c513cef2485f671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7776c0752e0e2f1f7d4dea81b6d1d8da5fd761859bdb242f246f204484992632
[INFO] running `Command { std: "docker" "start" "-a" "7776c0752e0e2f1f7d4dea81b6d1d8da5fd761859bdb242f246f204484992632", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.01s
[INFO] running `Command { std: "docker" "inspect" "7776c0752e0e2f1f7d4dea81b6d1d8da5fd761859bdb242f246f204484992632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7776c0752e0e2f1f7d4dea81b6d1d8da5fd761859bdb242f246f204484992632", kill_on_drop: false }`
[INFO] [stdout] 7776c0752e0e2f1f7d4dea81b6d1d8da5fd761859bdb242f246f204484992632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 420b7019de40083bdbc858d61962bfea86afe1d9e970f623ae56154e971f10ac
[INFO] running `Command { std: "docker" "start" "-a" "420b7019de40083bdbc858d61962bfea86afe1d9e970f623ae56154e971f10ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "420b7019de40083bdbc858d61962bfea86afe1d9e970f623ae56154e971f10ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420b7019de40083bdbc858d61962bfea86afe1d9e970f623ae56154e971f10ac", kill_on_drop: false }`
[INFO] [stdout] 420b7019de40083bdbc858d61962bfea86afe1d9e970f623ae56154e971f10ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76089c214c4d9577a379c1142d8d8b858252ecab1f2cf72b1a93b795124753ad
[INFO] running `Command { std: "docker" "start" "-a" "76089c214c4d9577a379c1142d8d8b858252ecab1f2cf72b1a93b795124753ad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground-fdaa2ffa1b145b19)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test lists::macros::test::empty_linked_list ... ok
[INFO] [stdout] test lists::macros::test::multiple_linked_list ... ok
[INFO] [stdout] test lists::macros::test::single_linked_list ... ok
[INFO] [stdout] test lists::macros::test::repeating_value ... ok
[INFO] [stdout] test lists::safe_linked_list::test::iterator ... 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::peek_front ... ok
[INFO] [stdout] test lists::safe_linked_list::test::pop_back ... ok
[INFO] [stdout] test lists::safe_linked_list::test::peek_front_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 ... 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::iterator ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::is_empty ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::len ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::nth ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::pop_back ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::pop_front ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::push_back ... ok
[INFO] [stdout] test lists::unsafe_linked_list::test::push_front ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76089c214c4d9577a379c1142d8d8b858252ecab1f2cf72b1a93b795124753ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76089c214c4d9577a379c1142d8d8b858252ecab1f2cf72b1a93b795124753ad", kill_on_drop: false }`
[INFO] [stdout] 76089c214c4d9577a379c1142d8d8b858252ecab1f2cf72b1a93b795124753ad