[INFO] fetching crate level 0.2.0...
[INFO] testing level-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate level 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate level 0.2.0 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 level 0.2.0
[INFO] finished tweaking crates.io crate level 0.2.0
[INFO] tweaked toml for crates.io crate level 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate level 0.2.0 already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 6a22855cc6b5c06c18038ea941e361bb2f0b0686b483e29af6c36f8d99dee196
[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" "6a22855cc6b5c06c18038ea941e361bb2f0b0686b483e29af6c36f8d99dee196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a22855cc6b5c06c18038ea941e361bb2f0b0686b483e29af6c36f8d99dee196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a22855cc6b5c06c18038ea941e361bb2f0b0686b483e29af6c36f8d99dee196", kill_on_drop: false }`
[INFO] [stdout] 6a22855cc6b5c06c18038ea941e361bb2f0b0686b483e29af6c36f8d99dee196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 73d0e3cacd8557e5b7250c922269d5e21d386bd762adf3a25b85e7087a2d6825
[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" "73d0e3cacd8557e5b7250c922269d5e21d386bd762adf3a25b85e7087a2d6825", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling termion v1.5.4
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling console v0.9.1
[INFO] [stderr]    Compiling indicatif v0.13.0
[INFO] [stderr]    Compiling level v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.16s
[INFO] running `Command { std: "docker" "inspect" "73d0e3cacd8557e5b7250c922269d5e21d386bd762adf3a25b85e7087a2d6825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d0e3cacd8557e5b7250c922269d5e21d386bd762adf3a25b85e7087a2d6825", kill_on_drop: false }`
[INFO] [stdout] 73d0e3cacd8557e5b7250c922269d5e21d386bd762adf3a25b85e7087a2d6825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] dd3107a5f785d9c2cd77d6346bf0382194baa80f3aca1552e04018401af896ba
[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" "dd3107a5f785d9c2cd77d6346bf0382194baa80f3aca1552e04018401af896ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling level v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "dd3107a5f785d9c2cd77d6346bf0382194baa80f3aca1552e04018401af896ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3107a5f785d9c2cd77d6346bf0382194baa80f3aca1552e04018401af896ba", kill_on_drop: false }`
[INFO] [stdout] dd3107a5f785d9c2cd77d6346bf0382194baa80f3aca1552e04018401af896ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] adbbc250b2122ce6b65c2bcd0db7b5513eed389ec6d3c3a3dd0146f1b9bf26ac
[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" "adbbc250b2122ce6b65c2bcd0db7b5513eed389ec6d3c3a3dd0146f1b9bf26ac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/level-f62838e99c392996
[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" "adbbc250b2122ce6b65c2bcd0db7b5513eed389ec6d3c3a3dd0146f1b9bf26ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adbbc250b2122ce6b65c2bcd0db7b5513eed389ec6d3c3a3dd0146f1b9bf26ac", kill_on_drop: false }`
[INFO] [stdout] adbbc250b2122ce6b65c2bcd0db7b5513eed389ec6d3c3a3dd0146f1b9bf26ac