[INFO] fetching crate yaml2json-rs 0.2.8...
[INFO] testing yaml2json-rs-0.2.8 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate yaml2json-rs 0.2.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate yaml2json-rs 0.2.8 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yaml2json-rs 0.2.8
[INFO] finished tweaking crates.io crate yaml2json-rs 0.2.8
[INFO] tweaked toml for crates.io crate yaml2json-rs 0.2.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96dc4047f96fa88eed7001f27c39aab1031b1b1766a9d43659f7682b036466a1
[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" "96dc4047f96fa88eed7001f27c39aab1031b1b1766a9d43659f7682b036466a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96dc4047f96fa88eed7001f27c39aab1031b1b1766a9d43659f7682b036466a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96dc4047f96fa88eed7001f27c39aab1031b1b1766a9d43659f7682b036466a1", kill_on_drop: false }`
[INFO] [stdout] 96dc4047f96fa88eed7001f27c39aab1031b1b1766a9d43659f7682b036466a1
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c4d69ff37c1615816530bd245a875d9a1a79c858486aaf8fb48a4a6f2060225
[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" "1c4d69ff37c1615816530bd245a875d9a1a79c858486aaf8fb48a4a6f2060225", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling yaml2json-rs v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.31s
[INFO] running `Command { std: "docker" "inspect" "1c4d69ff37c1615816530bd245a875d9a1a79c858486aaf8fb48a4a6f2060225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4d69ff37c1615816530bd245a875d9a1a79c858486aaf8fb48a4a6f2060225", kill_on_drop: false }`
[INFO] [stdout] 1c4d69ff37c1615816530bd245a875d9a1a79c858486aaf8fb48a4a6f2060225
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 9b0b3c02b3652d340986c907fefde8aa6b94667b1f7f3d86f19a73e1dcedd3d5
[INFO] running `Command { std: "docker" "start" "-a" "9b0b3c02b3652d340986c907fefde8aa6b94667b1f7f3d86f19a73e1dcedd3d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml2json-rs v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "9b0b3c02b3652d340986c907fefde8aa6b94667b1f7f3d86f19a73e1dcedd3d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0b3c02b3652d340986c907fefde8aa6b94667b1f7f3d86f19a73e1dcedd3d5", kill_on_drop: false }`
[INFO] [stdout] 9b0b3c02b3652d340986c907fefde8aa6b94667b1f7f3d86f19a73e1dcedd3d5
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] c3cafa1c77cf6dbed9f18484a319a87e9476144526604b327254a7e804969b4b
[INFO] running `Command { std: "docker" "start" "-a" "c3cafa1c77cf6dbed9f18484a319a87e9476144526604b327254a7e804969b4b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::document_to_writer_pretty ... ok
[INFO] [stdout] test tests::document_to_writer_compact ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yaml2json_rs-7cdadefe6329534e)
[INFO] [stdout] test tests::document_to_string_pretty ... ok
[INFO] [stdout] test tests::document_to_string_compact ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yaml2json-rs
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Yaml2Json::new (line 95) ... ok
[INFO] [stdout] test src/lib.rs - Yaml2Json::document_to_string (line 106) ... ok
[INFO] [stdout] test src/lib.rs - Yaml2Json (line 66) ... ok
[INFO] [stdout] test src/lib.rs - Yaml2Json::document_to_writer (line 132) ... ok
[INFO] [stdout] test src/lib.rs - Yaml2Json (line 77) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3cafa1c77cf6dbed9f18484a319a87e9476144526604b327254a7e804969b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3cafa1c77cf6dbed9f18484a319a87e9476144526604b327254a7e804969b4b", kill_on_drop: false }`
[INFO] [stdout] c3cafa1c77cf6dbed9f18484a319a87e9476144526604b327254a7e804969b4b