[INFO] fetching crate wololo 0.1.1...
[INFO] testing wololo-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate wololo 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wololo 0.1.1 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 wololo 0.1.1
[INFO] finished tweaking crates.io crate wololo 0.1.1
[INFO] tweaked toml for crates.io crate wololo 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate wololo 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] c1948d98a284e989bafa42dc123da8fbb517ddaa497817d819b671679f210035
[INFO] running `Command { std: "docker" "start" "-a" "c1948d98a284e989bafa42dc123da8fbb517ddaa497817d819b671679f210035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1948d98a284e989bafa42dc123da8fbb517ddaa497817d819b671679f210035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1948d98a284e989bafa42dc123da8fbb517ddaa497817d819b671679f210035", kill_on_drop: false }`
[INFO] [stdout] c1948d98a284e989bafa42dc123da8fbb517ddaa497817d819b671679f210035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 39c04469bb0b93b5dcc792307760a1b1bf4694ee93a708b158c98d70a1c6ab21
[INFO] running `Command { std: "docker" "start" "-a" "39c04469bb0b93b5dcc792307760a1b1bf4694ee93a708b158c98d70a1c6ab21", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling eui48 v1.0.1
[INFO] [stderr]    Compiling argh v0.1.3
[INFO] [stderr]    Compiling wololo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.70s
[INFO] running `Command { std: "docker" "inspect" "39c04469bb0b93b5dcc792307760a1b1bf4694ee93a708b158c98d70a1c6ab21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c04469bb0b93b5dcc792307760a1b1bf4694ee93a708b158c98d70a1c6ab21", kill_on_drop: false }`
[INFO] [stdout] 39c04469bb0b93b5dcc792307760a1b1bf4694ee93a708b158c98d70a1c6ab21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62f4a8a36190369498957b1b12b6dea68d730fe295ab7c24b7da3c7405149859
[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" "62f4a8a36190369498957b1b12b6dea68d730fe295ab7c24b7da3c7405149859", kill_on_drop: false }`
[INFO] [stderr]    Compiling wololo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "62f4a8a36190369498957b1b12b6dea68d730fe295ab7c24b7da3c7405149859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f4a8a36190369498957b1b12b6dea68d730fe295ab7c24b7da3c7405149859", kill_on_drop: false }`
[INFO] [stdout] 62f4a8a36190369498957b1b12b6dea68d730fe295ab7c24b7da3c7405149859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb393de7e9058d1385029f409bee778589b428e5e983ba4e004a1e69a8a56ddc
[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" "bb393de7e9058d1385029f409bee778589b428e5e983ba4e004a1e69a8a56ddc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wololo-f8c7dafdae7728b1
[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" "bb393de7e9058d1385029f409bee778589b428e5e983ba4e004a1e69a8a56ddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb393de7e9058d1385029f409bee778589b428e5e983ba4e004a1e69a8a56ddc", kill_on_drop: false }`
[INFO] [stdout] bb393de7e9058d1385029f409bee778589b428e5e983ba4e004a1e69a8a56ddc