[INFO] fetching crate ymlctx 0.1.8...
[INFO] testing ymlctx-0.1.8 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ymlctx 0.1.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ymlctx 0.1.8 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] d4a4699b644c8ab780ab70bea3cf3b578932afa9961f428755bb0dad3b01f4e9
[INFO] running `Command { std: "docker" "start" "-a" "d4a4699b644c8ab780ab70bea3cf3b578932afa9961f428755bb0dad3b01f4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a4699b644c8ab780ab70bea3cf3b578932afa9961f428755bb0dad3b01f4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a4699b644c8ab780ab70bea3cf3b578932afa9961f428755bb0dad3b01f4e9", kill_on_drop: false }`
[INFO] [stdout] d4a4699b644c8ab780ab70bea3cf3b578932afa9961f428755bb0dad3b01f4e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45e24e293e73e0f6d74a7171376b257e795cead422c4e7cec6ae706cb7425345
[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" "45e24e293e73e0f6d74a7171376b257e795cead422c4e7cec6ae706cb7425345", 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 2.00s
[INFO] running `Command { std: "docker" "inspect" "45e24e293e73e0f6d74a7171376b257e795cead422c4e7cec6ae706cb7425345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e24e293e73e0f6d74a7171376b257e795cead422c4e7cec6ae706cb7425345", kill_on_drop: false }`
[INFO] [stdout] 45e24e293e73e0f6d74a7171376b257e795cead422c4e7cec6ae706cb7425345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "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] 8c411d829ca8fa2301daad71c0bbf321489c7e6ffe0214baf66df1baf72cbf3c
[INFO] running `Command { std: "docker" "start" "-a" "8c411d829ca8fa2301daad71c0bbf321489c7e6ffe0214baf66df1baf72cbf3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ymlctx v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "8c411d829ca8fa2301daad71c0bbf321489c7e6ffe0214baf66df1baf72cbf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c411d829ca8fa2301daad71c0bbf321489c7e6ffe0214baf66df1baf72cbf3c", kill_on_drop: false }`
[INFO] [stdout] 8c411d829ca8fa2301daad71c0bbf321489c7e6ffe0214baf66df1baf72cbf3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "test" "--frozen", 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] 85f94f8b73863295b6d46bd90695b32534f6208e2bdde88675d8a295966574f8
[INFO] running `Command { std: "docker" "start" "-a" "85f94f8b73863295b6d46bd90695b32534f6208e2bdde88675d8a295966574f8", 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-53fae21881f554fa)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::unpack_string ... ok
[INFO] [stdout] test tests::unpack_usize ... ok
[INFO] [stdout] test tests::single_overwrite ... ok
[INFO] [stdout] test tests::insertion ... ok
[INFO] [stdout] test tests::unpack_i64 ... ok
[INFO] [stdout] test tests::unpack_bool ... ok
[INFO] [stdout] test tests::unpack_i32 ... ok
[INFO] [stdout] test tests::unpack_f64 ... ok
[INFO] [stderr]    Doc-tests ymlctx
[INFO] [stdout] test tests::hide_nonexisting ... ok
[INFO] [stdout] test tests::hide_existing ... ok
[INFO] [stdout] test tests::multiple_overwrites ... ok
[INFO] [stdout] test tests::list_contexts ... ok
[INFO] [stdout] test tests::subcontext ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - context::Context::unpack (line 408) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::unpack (line 419) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::render (line 298) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::get_clone (line 379) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::unpack (line 396) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::render (line 308) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::set_opt (line 348) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::subcontext (line 440) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::hide (line 478) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::overlay (line 280) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::set (line 335) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::keys (line 493) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::get (line 365) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::list_contexts (line 455) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85f94f8b73863295b6d46bd90695b32534f6208e2bdde88675d8a295966574f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f94f8b73863295b6d46bd90695b32534f6208e2bdde88675d8a295966574f8", kill_on_drop: false }`
[INFO] [stdout] 85f94f8b73863295b6d46bd90695b32534f6208e2bdde88675d8a295966574f8