[INFO] fetching crate cargo-board 0.1.0...
[INFO] testing cargo-board-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cargo-board 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cargo-board 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 cargo-board 0.1.0
[INFO] finished tweaking crates.io crate cargo-board 0.1.0
[INFO] tweaked toml for crates.io crate cargo-board 0.1.0 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 78f34400b4b14873519f0db3e9689ff3b45320106f6c8e6b643a3678f1166968
[INFO] running `Command { std: "docker" "start" "-a" "78f34400b4b14873519f0db3e9689ff3b45320106f6c8e6b643a3678f1166968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78f34400b4b14873519f0db3e9689ff3b45320106f6c8e6b643a3678f1166968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f34400b4b14873519f0db3e9689ff3b45320106f6c8e6b643a3678f1166968", kill_on_drop: false }`
[INFO] [stdout] 78f34400b4b14873519f0db3e9689ff3b45320106f6c8e6b643a3678f1166968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ac2a6b646473bcb84c0b27a0e101bbbc86b3aef40b7d1285a0fc59282ebdbba7
[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" "ac2a6b646473bcb84c0b27a0e101bbbc86b3aef40b7d1285a0fc59282ebdbba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-board v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "ac2a6b646473bcb84c0b27a0e101bbbc86b3aef40b7d1285a0fc59282ebdbba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2a6b646473bcb84c0b27a0e101bbbc86b3aef40b7d1285a0fc59282ebdbba7", kill_on_drop: false }`
[INFO] [stdout] ac2a6b646473bcb84c0b27a0e101bbbc86b3aef40b7d1285a0fc59282ebdbba7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7e676fbf09deb4df0abfbb7619895cb13a0a90d34c0395d0a1ff6e0e635f6ad6
[INFO] running `Command { std: "docker" "start" "-a" "7e676fbf09deb4df0abfbb7619895cb13a0a90d34c0395d0a1ff6e0e635f6ad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-board v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "7e676fbf09deb4df0abfbb7619895cb13a0a90d34c0395d0a1ff6e0e635f6ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e676fbf09deb4df0abfbb7619895cb13a0a90d34c0395d0a1ff6e0e635f6ad6", kill_on_drop: false }`
[INFO] [stdout] 7e676fbf09deb4df0abfbb7619895cb13a0a90d34c0395d0a1ff6e0e635f6ad6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 38f33a6bb2a9ff00826b1aa7053b629024ccc6bb5600f5d84b836e98bc739b0e
[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" "38f33a6bb2a9ff00826b1aa7053b629024ccc6bb5600f5d84b836e98bc739b0e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_board-5e76aeca0a390be0
[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" "38f33a6bb2a9ff00826b1aa7053b629024ccc6bb5600f5d84b836e98bc739b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f33a6bb2a9ff00826b1aa7053b629024ccc6bb5600f5d84b836e98bc739b0e", kill_on_drop: false }`
[INFO] [stdout] 38f33a6bb2a9ff00826b1aa7053b629024ccc6bb5600f5d84b836e98bc739b0e