[INFO] fetching crate tf_playlist 0.1.2...
[INFO] testing tf_playlist-0.1.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate tf_playlist 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tf_playlist 0.1.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tf_playlist 0.1.2
[INFO] finished tweaking crates.io crate tf_playlist 0.1.2
[INFO] tweaked toml for crates.io crate tf_playlist 0.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d7ceaecfc5ebae7488b88e409f26c7d7e799a146208bdf7002aca4fffc1c15e
[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" "9d7ceaecfc5ebae7488b88e409f26c7d7e799a146208bdf7002aca4fffc1c15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d7ceaecfc5ebae7488b88e409f26c7d7e799a146208bdf7002aca4fffc1c15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7ceaecfc5ebae7488b88e409f26c7d7e799a146208bdf7002aca4fffc1c15e", kill_on_drop: false }`
[INFO] [stdout] 9d7ceaecfc5ebae7488b88e409f26c7d7e799a146208bdf7002aca4fffc1c15e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63195b9cd12355c942c7ea342f25c2853898c43604311655ec62fdcfc927dd54
[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" "63195b9cd12355c942c7ea342f25c2853898c43604311655ec62fdcfc927dd54", kill_on_drop: false }`
[INFO] [stderr]    Compiling tf_observer v0.1.1
[INFO] [stderr]    Compiling tf_playlist v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "63195b9cd12355c942c7ea342f25c2853898c43604311655ec62fdcfc927dd54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63195b9cd12355c942c7ea342f25c2853898c43604311655ec62fdcfc927dd54", kill_on_drop: false }`
[INFO] [stdout] 63195b9cd12355c942c7ea342f25c2853898c43604311655ec62fdcfc927dd54
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--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] ed45375dac1f42742adb0c68bb765f6a1a1e379f756505f2ccacae03945ea3fa
[INFO] running `Command { std: "docker" "start" "-a" "ed45375dac1f42742adb0c68bb765f6a1a1e379f756505f2ccacae03945ea3fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling tf_playlist v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "ed45375dac1f42742adb0c68bb765f6a1a1e379f756505f2ccacae03945ea3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed45375dac1f42742adb0c68bb765f6a1a1e379f756505f2ccacae03945ea3fa", kill_on_drop: false }`
[INFO] [stdout] ed45375dac1f42742adb0c68bb765f6a1a1e379f756505f2ccacae03945ea3fa
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f37dcb2d01c920402d7ca316760e3a797092ba1d3c4ff674ab77c9ba9ea03a0e
[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" "f37dcb2d01c920402d7ca316760e3a797092ba1d3c4ff674ab77c9ba9ea03a0e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tf_playlist-433b741faaa40d3c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test playlist_manager::test::playlistmanagerinternal_toggle_empty ... ok
[INFO] [stdout] test playlist::test::playlist_toggle ... ok
[INFO] [stdout] test playlist_manager::test::playlistmanagerinternal_toggle_complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tf_playlist
[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" "f37dcb2d01c920402d7ca316760e3a797092ba1d3c4ff674ab77c9ba9ea03a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f37dcb2d01c920402d7ca316760e3a797092ba1d3c4ff674ab77c9ba9ea03a0e", kill_on_drop: false }`
[INFO] [stdout] f37dcb2d01c920402d7ca316760e3a797092ba1d3c4ff674ab77c9ba9ea03a0e