[INFO] fetching crate ymlctx 0.1.8...
[INFO] testing ymlctx-0.1.8 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ymlctx 0.1.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ymlctx 0.1.8 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ymlctx 0.1.8
[INFO] finished tweaking crates.io crate ymlctx 0.1.8
[INFO] tweaked toml for crates.io crate ymlctx 0.1.8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rpds v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20aa98f8648f8e3978b5ab02598f8378ccb1219cac1625f1fd99f74d77cf9d14
[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" "20aa98f8648f8e3978b5ab02598f8378ccb1219cac1625f1fd99f74d77cf9d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20aa98f8648f8e3978b5ab02598f8378ccb1219cac1625f1fd99f74d77cf9d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20aa98f8648f8e3978b5ab02598f8378ccb1219cac1625f1fd99f74d77cf9d14", kill_on_drop: false }`
[INFO] [stdout] 20aa98f8648f8e3978b5ab02598f8378ccb1219cac1625f1fd99f74d77cf9d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 938436eb092b4180091b94ea64fae85df9c6bfcb66c3d56642b6ad147824aaa3
[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" "938436eb092b4180091b94ea64fae85df9c6bfcb66c3d56642b6ad147824aaa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rpds v0.5.0
[INFO] [stderr]    Compiling ymlctx v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "938436eb092b4180091b94ea64fae85df9c6bfcb66c3d56642b6ad147824aaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938436eb092b4180091b94ea64fae85df9c6bfcb66c3d56642b6ad147824aaa3", kill_on_drop: false }`
[INFO] [stdout] 938436eb092b4180091b94ea64fae85df9c6bfcb66c3d56642b6ad147824aaa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1e9c5f4f5b5e70ad090e080fc579a0b6b5836e7ddf710f9a59abcfb5b0de67e
[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" "a1e9c5f4f5b5e70ad090e080fc579a0b6b5836e7ddf710f9a59abcfb5b0de67e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ymlctx v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "a1e9c5f4f5b5e70ad090e080fc579a0b6b5836e7ddf710f9a59abcfb5b0de67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1e9c5f4f5b5e70ad090e080fc579a0b6b5836e7ddf710f9a59abcfb5b0de67e", kill_on_drop: false }`
[INFO] [stdout] a1e9c5f4f5b5e70ad090e080fc579a0b6b5836e7ddf710f9a59abcfb5b0de67e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 19461bbb465b9a54467f43169576bcc948dc47a751c5213fe22cc1e817657be8
[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" "19461bbb465b9a54467f43169576bcc948dc47a751c5213fe22cc1e817657be8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ymlctx-e5d17214c2f429b4)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::multiple_overwrites ... ok
[INFO] [stdout] test tests::hide_nonexisting ... ok
[INFO] [stdout] test tests::unpack_string ... ok
[INFO] [stdout] test tests::unpack_i64 ... ok
[INFO] [stdout] test tests::single_overwrite ... ok
[INFO] [stdout] test tests::unpack_i32 ... ok
[INFO] [stdout] test tests::list_contexts ... ok
[INFO] [stdout] test tests::unpack_f64 ... ok
[INFO] [stdout] test tests::subcontext ... ok
[INFO] [stdout] test tests::insertion ... ok
[INFO] [stdout] test tests::unpack_bool ... ok
[INFO] [stdout] test tests::hide_existing ... ok
[INFO] [stdout] test tests::unpack_usize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ymlctx
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - context::Context::render (line 298) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::unpack (line 396) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::subcontext (line 440) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::unpack (line 419) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::render (line 308) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::set (line 335) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::overlay (line 280) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::unpack (line 408) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::list_contexts (line 455) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::keys (line 493) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::get_clone (line 379) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::hide (line 478) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::set_opt (line 348) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::get (line 365) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19461bbb465b9a54467f43169576bcc948dc47a751c5213fe22cc1e817657be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19461bbb465b9a54467f43169576bcc948dc47a751c5213fe22cc1e817657be8", kill_on_drop: false }`
[INFO] [stdout] 19461bbb465b9a54467f43169576bcc948dc47a751c5213fe22cc1e817657be8