[INFO] fetching crate effect 0.1.1...
[INFO] testing effect-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate effect 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate effect 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config.toml
[INFO] started tweaking crates.io crate effect 0.1.1
[INFO] finished tweaking crates.io crate effect 0.1.1
[INFO] tweaked toml for crates.io crate effect 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate effect 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] b2bf24e46c5937228427cd793c4f73e41c153878e373101dfde665afaff60bf9
[INFO] running `Command { std: "docker" "start" "-a" "b2bf24e46c5937228427cd793c4f73e41c153878e373101dfde665afaff60bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2bf24e46c5937228427cd793c4f73e41c153878e373101dfde665afaff60bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2bf24e46c5937228427cd793c4f73e41c153878e373101dfde665afaff60bf9", kill_on_drop: false }`
[INFO] [stdout] b2bf24e46c5937228427cd793c4f73e41c153878e373101dfde665afaff60bf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76e6b6cd4a5b9d0fefbf004f2498fc5061480af17915e587cf1f748c3e1b364f
[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" "76e6b6cd4a5b9d0fefbf004f2498fc5061480af17915e587cf1f748c3e1b364f", kill_on_drop: false }`
[INFO] [stderr]    Compiling effect v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "76e6b6cd4a5b9d0fefbf004f2498fc5061480af17915e587cf1f748c3e1b364f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e6b6cd4a5b9d0fefbf004f2498fc5061480af17915e587cf1f748c3e1b364f", kill_on_drop: false }`
[INFO] [stdout] 76e6b6cd4a5b9d0fefbf004f2498fc5061480af17915e587cf1f748c3e1b364f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab1eca3aae875ee16d3c571f2424ce53afb98ce4d3a4574ed7b04e9faa7169d5
[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" "ab1eca3aae875ee16d3c571f2424ce53afb98ce4d3a4574ed7b04e9faa7169d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling effect v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ab1eca3aae875ee16d3c571f2424ce53afb98ce4d3a4574ed7b04e9faa7169d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1eca3aae875ee16d3c571f2424ce53afb98ce4d3a4574ed7b04e9faa7169d5", kill_on_drop: false }`
[INFO] [stdout] ab1eca3aae875ee16d3c571f2424ce53afb98ce4d3a4574ed7b04e9faa7169d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 68496dba3b1dcb1223e0622c2ca7df96cfb198dbac646c36cd28dfed84c95afb
[INFO] running `Command { std: "docker" "start" "-a" "68496dba3b1dcb1223e0622c2ca7df96cfb198dbac646c36cd28dfed84c95afb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/effect-83c2a5811420a48b)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68496dba3b1dcb1223e0622c2ca7df96cfb198dbac646c36cd28dfed84c95afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68496dba3b1dcb1223e0622c2ca7df96cfb198dbac646c36cd28dfed84c95afb", kill_on_drop: false }`
[INFO] [stdout] 68496dba3b1dcb1223e0622c2ca7df96cfb198dbac646c36cd28dfed84c95afb