[INFO] fetching crate ludo 0.0.0...
[INFO] testing ludo-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ludo 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ludo 0.0.0 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 ludo 0.0.0
[INFO] finished tweaking crates.io crate ludo 0.0.0
[INFO] tweaked toml for crates.io crate ludo 0.0.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 458414b0cd6ea94fe7ab9ee2577f39d29e6f801505e5fd291dd63aca79f7582b
[INFO] running `Command { std: "docker" "start" "-a" "458414b0cd6ea94fe7ab9ee2577f39d29e6f801505e5fd291dd63aca79f7582b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "458414b0cd6ea94fe7ab9ee2577f39d29e6f801505e5fd291dd63aca79f7582b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458414b0cd6ea94fe7ab9ee2577f39d29e6f801505e5fd291dd63aca79f7582b", kill_on_drop: false }`
[INFO] [stdout] 458414b0cd6ea94fe7ab9ee2577f39d29e6f801505e5fd291dd63aca79f7582b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 47d94b2503bdc923bbd42471116d2d5eaf8bd3553ab0d9ef3ab2c8865a083b5b
[INFO] running `Command { std: "docker" "start" "-a" "47d94b2503bdc923bbd42471116d2d5eaf8bd3553ab0d9ef3ab2c8865a083b5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ludo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "47d94b2503bdc923bbd42471116d2d5eaf8bd3553ab0d9ef3ab2c8865a083b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d94b2503bdc923bbd42471116d2d5eaf8bd3553ab0d9ef3ab2c8865a083b5b", kill_on_drop: false }`
[INFO] [stdout] 47d94b2503bdc923bbd42471116d2d5eaf8bd3553ab0d9ef3ab2c8865a083b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2416940bb6ce9e9f879b4f284565e0b0cec545b5ca1e15698e3bd906bff2f16e
[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" "2416940bb6ce9e9f879b4f284565e0b0cec545b5ca1e15698e3bd906bff2f16e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ludo v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "2416940bb6ce9e9f879b4f284565e0b0cec545b5ca1e15698e3bd906bff2f16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2416940bb6ce9e9f879b4f284565e0b0cec545b5ca1e15698e3bd906bff2f16e", kill_on_drop: false }`
[INFO] [stdout] 2416940bb6ce9e9f879b4f284565e0b0cec545b5ca1e15698e3bd906bff2f16e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 363a60e66b7edf7616db409d273b47f49c400c6ea07a0420fd880b4ef7a4ca61
[INFO] running `Command { std: "docker" "start" "-a" "363a60e66b7edf7616db409d273b47f49c400c6ea07a0420fd880b4ef7a4ca61", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ludo-0f8323be295efc5c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ludo
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "363a60e66b7edf7616db409d273b47f49c400c6ea07a0420fd880b4ef7a4ca61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363a60e66b7edf7616db409d273b47f49c400c6ea07a0420fd880b4ef7a4ca61", kill_on_drop: false }`
[INFO] [stdout] 363a60e66b7edf7616db409d273b47f49c400c6ea07a0420fd880b4ef7a4ca61