[INFO] fetching crate applet 0.1.0...
[INFO] testing applet-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate applet 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate applet 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate applet 0.1.0
[INFO] finished tweaking crates.io crate applet 0.1.0
[INFO] tweaked toml for crates.io crate applet 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 32fae43dde315e7f07dc6ba15fcae2c289b7b7630eb4a4319c9f1bfe792280ad
[INFO] running `Command { std: "docker" "start" "-a" "32fae43dde315e7f07dc6ba15fcae2c289b7b7630eb4a4319c9f1bfe792280ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32fae43dde315e7f07dc6ba15fcae2c289b7b7630eb4a4319c9f1bfe792280ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32fae43dde315e7f07dc6ba15fcae2c289b7b7630eb4a4319c9f1bfe792280ad", kill_on_drop: false }`
[INFO] [stdout] 32fae43dde315e7f07dc6ba15fcae2c289b7b7630eb4a4319c9f1bfe792280ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 7e3cb505d77b1b02ff7ce27af047d4d1e0dcecdd3dafa0ca7a1e0a58ba921a4b
[INFO] running `Command { std: "docker" "start" "-a" "7e3cb505d77b1b02ff7ce27af047d4d1e0dcecdd3dafa0ca7a1e0a58ba921a4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling applet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "7e3cb505d77b1b02ff7ce27af047d4d1e0dcecdd3dafa0ca7a1e0a58ba921a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3cb505d77b1b02ff7ce27af047d4d1e0dcecdd3dafa0ca7a1e0a58ba921a4b", kill_on_drop: false }`
[INFO] [stdout] 7e3cb505d77b1b02ff7ce27af047d4d1e0dcecdd3dafa0ca7a1e0a58ba921a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2ef306806bf404ba217b8134784c5e3d2ac2ac238e6b47f27b52c1a71041cc0f
[INFO] running `Command { std: "docker" "start" "-a" "2ef306806bf404ba217b8134784c5e3d2ac2ac238e6b47f27b52c1a71041cc0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling applet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "2ef306806bf404ba217b8134784c5e3d2ac2ac238e6b47f27b52c1a71041cc0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef306806bf404ba217b8134784c5e3d2ac2ac238e6b47f27b52c1a71041cc0f", kill_on_drop: false }`
[INFO] [stdout] 2ef306806bf404ba217b8134784c5e3d2ac2ac238e6b47f27b52c1a71041cc0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ed05372f0b630cfb4d62eb6829fb5f4853221c1c8bac2ea8c04e9fbfb2d41d5
[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" "2ed05372f0b630cfb4d62eb6829fb5f4853221c1c8bac2ea8c04e9fbfb2d41d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/applet-372f7b1717cc964c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests applet
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "2ed05372f0b630cfb4d62eb6829fb5f4853221c1c8bac2ea8c04e9fbfb2d41d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed05372f0b630cfb4d62eb6829fb5f4853221c1c8bac2ea8c04e9fbfb2d41d5", kill_on_drop: false }`
[INFO] [stdout] 2ed05372f0b630cfb4d62eb6829fb5f4853221c1c8bac2ea8c04e9fbfb2d41d5