[INFO] crate args-to-json 1.0.0 is already in cache
[INFO] testing args-to-json-1.0.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate args-to-json 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate args-to-json 1.0.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate args-to-json 1.0.0
[INFO] finished tweaking crates.io crate args-to-json 1.0.0
[INFO] tweaked toml for crates.io crate args-to-json 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate args-to-json 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a014dc1e2c66f55a97c2170e4a3ddd944195dcc6388c3c935b88bb6512e6f44
[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" "4a014dc1e2c66f55a97c2170e4a3ddd944195dcc6388c3c935b88bb6512e6f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a014dc1e2c66f55a97c2170e4a3ddd944195dcc6388c3c935b88bb6512e6f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a014dc1e2c66f55a97c2170e4a3ddd944195dcc6388c3c935b88bb6512e6f44", kill_on_drop: false }`
[INFO] [stdout] 4a014dc1e2c66f55a97c2170e4a3ddd944195dcc6388c3c935b88bb6512e6f44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 560aa1c29ca5fa9bf52b1d68acca340d2f4558137f59934928e5ca1bb556c41f
[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" "560aa1c29ca5fa9bf52b1d68acca340d2f4558137f59934928e5ca1bb556c41f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling args-to-json v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.84s
[INFO] running `Command { std: "docker" "inspect" "560aa1c29ca5fa9bf52b1d68acca340d2f4558137f59934928e5ca1bb556c41f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560aa1c29ca5fa9bf52b1d68acca340d2f4558137f59934928e5ca1bb556c41f", kill_on_drop: false }`
[INFO] [stdout] 560aa1c29ca5fa9bf52b1d68acca340d2f4558137f59934928e5ca1bb556c41f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8568ed18e92ba78fa665731c901ed1beb2d8ec7478a73c4c7190ee126d7ba146
[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" "8568ed18e92ba78fa665731c901ed1beb2d8ec7478a73c4c7190ee126d7ba146", kill_on_drop: false }`
[INFO] [stderr]    Compiling args-to-json v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "8568ed18e92ba78fa665731c901ed1beb2d8ec7478a73c4c7190ee126d7ba146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8568ed18e92ba78fa665731c901ed1beb2d8ec7478a73c4c7190ee126d7ba146", kill_on_drop: false }`
[INFO] [stdout] 8568ed18e92ba78fa665731c901ed1beb2d8ec7478a73c4c7190ee126d7ba146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] cbf1b480bb0ba4a4d94d27d9818fbc6ceb8ba9fda390df84ce2280a8c6f2ae89
[INFO] running `Command { std: "docker" "start" "-a" "cbf1b480bb0ba4a4d94d27d9818fbc6ceb8ba9fda390df84ce2280a8c6f2ae89", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/args_to_json-b7296b7f133a2a5d
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cbf1b480bb0ba4a4d94d27d9818fbc6ceb8ba9fda390df84ce2280a8c6f2ae89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf1b480bb0ba4a4d94d27d9818fbc6ceb8ba9fda390df84ce2280a8c6f2ae89", kill_on_drop: false }`
[INFO] [stdout] cbf1b480bb0ba4a4d94d27d9818fbc6ceb8ba9fda390df84ce2280a8c6f2ae89