[INFO] fetching crate stk-json 0.2.1...
[INFO] testing stk-json-0.2.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate stk-json 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stk-json 0.2.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stk-json 0.2.1
[INFO] finished tweaking crates.io crate stk-json 0.2.1
[INFO] tweaked toml for crates.io crate stk-json 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stk v0.2.1
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] d2c7fed73b7c6d005575a762da7b5eb1d9ad6b3bea05840a955ae58d1ea8ed48
[INFO] running `Command { std: "docker" "start" "-a" "d2c7fed73b7c6d005575a762da7b5eb1d9ad6b3bea05840a955ae58d1ea8ed48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2c7fed73b7c6d005575a762da7b5eb1d9ad6b3bea05840a955ae58d1ea8ed48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2c7fed73b7c6d005575a762da7b5eb1d9ad6b3bea05840a955ae58d1ea8ed48", kill_on_drop: false }`
[INFO] [stdout] d2c7fed73b7c6d005575a762da7b5eb1d9ad6b3bea05840a955ae58d1ea8ed48
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 494b3dc656af2e424f0098b85198be63fddaab64718b6881657c9e2b088c8fc4
[INFO] running `Command { std: "docker" "start" "-a" "494b3dc656af2e424f0098b85198be63fddaab64718b6881657c9e2b088c8fc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling twox-hash v1.6.2
[INFO] [stderr]    Compiling stk v0.2.1
[INFO] [stderr]    Compiling stk-json v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
[INFO] running `Command { std: "docker" "inspect" "494b3dc656af2e424f0098b85198be63fddaab64718b6881657c9e2b088c8fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494b3dc656af2e424f0098b85198be63fddaab64718b6881657c9e2b088c8fc4", kill_on_drop: false }`
[INFO] [stdout] 494b3dc656af2e424f0098b85198be63fddaab64718b6881657c9e2b088c8fc4
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5caca702bbc1ef54896fe01274451643c807bd6d379467dafff126b69ee1a62a
[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" "5caca702bbc1ef54896fe01274451643c807bd6d379467dafff126b69ee1a62a", kill_on_drop: false }`
[INFO] [stderr]    Compiling stk-json v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "5caca702bbc1ef54896fe01274451643c807bd6d379467dafff126b69ee1a62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5caca702bbc1ef54896fe01274451643c807bd6d379467dafff126b69ee1a62a", kill_on_drop: false }`
[INFO] [stdout] 5caca702bbc1ef54896fe01274451643c807bd6d379467dafff126b69ee1a62a
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6be5293b10b22824f6c4a43cfac35c4c4df3f2c812894b9781a18667447432d1
[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" "6be5293b10b22824f6c4a43cfac35c4c4df3f2c812894b9781a18667447432d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stk_json-448bdafd6379616c)
[INFO] [stderr]    Doc-tests stk-json
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ignored
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6be5293b10b22824f6c4a43cfac35c4c4df3f2c812894b9781a18667447432d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be5293b10b22824f6c4a43cfac35c4c4df3f2c812894b9781a18667447432d1", kill_on_drop: false }`
[INFO] [stdout] 6be5293b10b22824f6c4a43cfac35c4c4df3f2c812894b9781a18667447432d1