[INFO] fetching crate ymlctx 0.1.8...
[INFO] testing ymlctx-0.1.8 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ymlctx 0.1.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ymlctx 0.1.8 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb90a15c0868c3d66b558b0a3645175449048a854c4b52017e6c6c04923415b1
[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" "fb90a15c0868c3d66b558b0a3645175449048a854c4b52017e6c6c04923415b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb90a15c0868c3d66b558b0a3645175449048a854c4b52017e6c6c04923415b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb90a15c0868c3d66b558b0a3645175449048a854c4b52017e6c6c04923415b1", kill_on_drop: false }`
[INFO] [stdout] fb90a15c0868c3d66b558b0a3645175449048a854c4b52017e6c6c04923415b1
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 23bc270724230441c8cc7cd37fbdb7d55d1e8c7ece211b228f0b03b7d0e03844
[INFO] running `Command { std: "docker" "start" "-a" "23bc270724230441c8cc7cd37fbdb7d55d1e8c7ece211b228f0b03b7d0e03844", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling rpds v0.5.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling ymlctx v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.39s
[INFO] running `Command { std: "docker" "inspect" "23bc270724230441c8cc7cd37fbdb7d55d1e8c7ece211b228f0b03b7d0e03844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23bc270724230441c8cc7cd37fbdb7d55d1e8c7ece211b228f0b03b7d0e03844", kill_on_drop: false }`
[INFO] [stdout] 23bc270724230441c8cc7cd37fbdb7d55d1e8c7ece211b228f0b03b7d0e03844
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc9c5ba02b114be17deddac8d0979e46b62c714f9bbe449a53a1e4b34b01e929
[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" "dc9c5ba02b114be17deddac8d0979e46b62c714f9bbe449a53a1e4b34b01e929", kill_on_drop: false }`
[INFO] [stderr]    Compiling ymlctx v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "dc9c5ba02b114be17deddac8d0979e46b62c714f9bbe449a53a1e4b34b01e929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9c5ba02b114be17deddac8d0979e46b62c714f9bbe449a53a1e4b34b01e929", kill_on_drop: false }`
[INFO] [stdout] dc9c5ba02b114be17deddac8d0979e46b62c714f9bbe449a53a1e4b34b01e929
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f0d3969fe70b4907230a6dca40f66e53b8c7c979a13f2065c25518574ed6408
[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" "8f0d3969fe70b4907230a6dca40f66e53b8c7c979a13f2065c25518574ed6408", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ymlctx-0ccd513ce9c1e092)
[INFO] [stdout] test tests::hide_existing ... ok
[INFO] [stdout] test tests::hide_nonexisting ... ok
[INFO] [stdout] test tests::unpack_bool ... ok
[INFO] [stdout] test tests::unpack_usize ... ok
[INFO] [stdout] test tests::insertion ... ok
[INFO] [stdout] test tests::unpack_f64 ... ok
[INFO] [stdout] test tests::unpack_i32 ... ok
[INFO] [stdout] test tests::unpack_i64 ... ok
[INFO] [stdout] test tests::unpack_string ... ok
[INFO] [stdout] test tests::list_contexts ... ok
[INFO] [stdout] test tests::multiple_overwrites ... ok
[INFO] [stderr]    Doc-tests ymlctx
[INFO] [stdout] test tests::subcontext ... ok
[INFO] [stdout] test tests::single_overwrite ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - context::Context::get (line 365) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::get_clone (line 379) ... 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::set_opt (line 348) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::render (line 308) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::unpack (line 419) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::subcontext (line 440) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::render (line 298) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::keys (line 493) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::list_contexts (line 455) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::hide (line 478) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::set (line 335) ... ok
[INFO] [stdout] test src/lib.rs - context::Context::unpack (line 396) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f0d3969fe70b4907230a6dca40f66e53b8c7c979a13f2065c25518574ed6408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0d3969fe70b4907230a6dca40f66e53b8c7c979a13f2065c25518574ed6408", kill_on_drop: false }`
[INFO] [stdout] 8f0d3969fe70b4907230a6dca40f66e53b8c7c979a13f2065c25518574ed6408