[INFO] fetching crate myz-project 0.1.0...
[INFO] testing myz-project-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate myz-project 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate myz-project 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 myz-project 0.1.0
[INFO] finished tweaking crates.io crate myz-project 0.1.0
[INFO] tweaked toml for crates.io crate myz-project 0.1.0 written to /workspace/builds/worker-9/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] [stderr]     Blocking waiting for file lock on package cache
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c005d66c15ee73b8245e83ff4612919e931a9eeefa8ed5b2099cc8453d95f66e
[INFO] running `Command { std: "docker" "start" "-a" "c005d66c15ee73b8245e83ff4612919e931a9eeefa8ed5b2099cc8453d95f66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c005d66c15ee73b8245e83ff4612919e931a9eeefa8ed5b2099cc8453d95f66e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c005d66c15ee73b8245e83ff4612919e931a9eeefa8ed5b2099cc8453d95f66e", kill_on_drop: false }`
[INFO] [stdout] c005d66c15ee73b8245e83ff4612919e931a9eeefa8ed5b2099cc8453d95f66e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 64f98a24354ff60c72739f8a177bd3d81d8da452d8410d414acbe2be05baf449
[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" "64f98a24354ff60c72739f8a177bd3d81d8da452d8410d414acbe2be05baf449", kill_on_drop: false }`
[INFO] [stderr]    Compiling myz-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "64f98a24354ff60c72739f8a177bd3d81d8da452d8410d414acbe2be05baf449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f98a24354ff60c72739f8a177bd3d81d8da452d8410d414acbe2be05baf449", kill_on_drop: false }`
[INFO] [stdout] 64f98a24354ff60c72739f8a177bd3d81d8da452d8410d414acbe2be05baf449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] f8a3aac631ebc1583f1c389fa2e611798f21b1c6dcf5aa353451bda79e3a71c7
[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" "f8a3aac631ebc1583f1c389fa2e611798f21b1c6dcf5aa353451bda79e3a71c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling myz-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "f8a3aac631ebc1583f1c389fa2e611798f21b1c6dcf5aa353451bda79e3a71c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a3aac631ebc1583f1c389fa2e611798f21b1c6dcf5aa353451bda79e3a71c7", kill_on_drop: false }`
[INFO] [stdout] f8a3aac631ebc1583f1c389fa2e611798f21b1c6dcf5aa353451bda79e3a71c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 0eaa779fac54913dff187ba5f48a21b60a0f3f7fbab0f8291e9fa8ae4685ce51
[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" "0eaa779fac54913dff187ba5f48a21b60a0f3f7fbab0f8291e9fa8ae4685ce51", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/myz_project-17ca08869b8c95d7
[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" "0eaa779fac54913dff187ba5f48a21b60a0f3f7fbab0f8291e9fa8ae4685ce51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eaa779fac54913dff187ba5f48a21b60a0f3f7fbab0f8291e9fa8ae4685ce51", kill_on_drop: false }`
[INFO] [stdout] 0eaa779fac54913dff187ba5f48a21b60a0f3f7fbab0f8291e9fa8ae4685ce51