[INFO] cloning repository https://github.com/pfeilbr/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/pfeilbr/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfeilbr%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfeilbr%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0c1d589743ae7c8ff20c6ff884cdd3fd4bf78e6
[INFO] testing pfeilbr/rust-playground against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpfeilbr%2Frust-playground" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pfeilbr/rust-playground on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pfeilbr/rust-playground
[INFO] finished tweaking git repo https://github.com/pfeilbr/rust-playground
[INFO] tweaked toml for git repo https://github.com/pfeilbr/rust-playground written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pfeilbr/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5928d8bfa8f23141e03b4e18f1cad5fbc85c89d025ea1c9b49a3e0deee0cb1a
[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" "a5928d8bfa8f23141e03b4e18f1cad5fbc85c89d025ea1c9b49a3e0deee0cb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5928d8bfa8f23141e03b4e18f1cad5fbc85c89d025ea1c9b49a3e0deee0cb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5928d8bfa8f23141e03b4e18f1cad5fbc85c89d025ea1c9b49a3e0deee0cb1a", kill_on_drop: false }`
[INFO] [stdout] a5928d8bfa8f23141e03b4e18f1cad5fbc85c89d025ea1c9b49a3e0deee0cb1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", 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] 967c02ce51be5c61457063d8d2efcabab8ba7556a637072046360c8c12c2eb49
[INFO] running `Command { std: "docker" "start" "-a" "967c02ce51be5c61457063d8d2efcabab8ba7556a637072046360c8c12c2eb49", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling rust-playground v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.18s
[INFO] running `Command { std: "docker" "inspect" "967c02ce51be5c61457063d8d2efcabab8ba7556a637072046360c8c12c2eb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967c02ce51be5c61457063d8d2efcabab8ba7556a637072046360c8c12c2eb49", kill_on_drop: false }`
[INFO] [stdout] 967c02ce51be5c61457063d8d2efcabab8ba7556a637072046360c8c12c2eb49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41e76a38f6c5163ae53df8d103e38cd26b0dd830586d8b93d0c9a3cced002368
[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" "41e76a38f6c5163ae53df8d103e38cd26b0dd830586d8b93d0c9a3cced002368", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "41e76a38f6c5163ae53df8d103e38cd26b0dd830586d8b93d0c9a3cced002368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e76a38f6c5163ae53df8d103e38cd26b0dd830586d8b93d0c9a3cced002368", kill_on_drop: false }`
[INFO] [stdout] 41e76a38f6c5163ae53df8d103e38cd26b0dd830586d8b93d0c9a3cced002368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad3f5990468fc8716051b61c543f824e5d0d3f30f3270200296ec309ccd0d13a
[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" "ad3f5990468fc8716051b61c543f824e5d0d3f30f3270200296ec309ccd0d13a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 19 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground-6c0d0fdadaafee56)
[INFO] [stdout] test ignored_test ... ignored
[INFO] [stdout] test for_loop ... ok
[INFO] [stdout] test test_checked ... ok
[INFO] [stdout] test test_example ... ok
[INFO] [stdout] test test_current_exe ... ok
[INFO] [stdout] test test_format ... ok
[INFO] [stdout] test test_hello_format ... ok
[INFO] [stdout] test test_json ... ok
[INFO] [stdout] test test_mem_size ... ok
[INFO] [stdout] test test_read_dir ... ok
[INFO] [stdout] test test_read_file ... ok
[INFO] [stdout] test test_strings ... ok
[INFO] [stdout] test test_struct ... ok
[INFO] [stdout] test test_command_line_args ... ok
[INFO] [stdout] test test_traits ... ok
[INFO] [stdout] test test_tuples ... ok
[INFO] [stdout] test test_variables ... ok
[INFO] [stdout] test test_child_process ... ok
[INFO] [stdout] test test_todo - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad3f5990468fc8716051b61c543f824e5d0d3f30f3270200296ec309ccd0d13a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3f5990468fc8716051b61c543f824e5d0d3f30f3270200296ec309ccd0d13a", kill_on_drop: false }`
[INFO] [stdout] ad3f5990468fc8716051b61c543f824e5d0d3f30f3270200296ec309ccd0d13a