[INFO] fetching crate zero_v 0.2.0...
[INFO] testing zero_v-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate zero_v 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zero_v 0.2.0 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] started tweaking crates.io crate zero_v 0.2.0
[INFO] finished tweaking crates.io crate zero_v 0.2.0
[INFO] tweaked toml for crates.io crate zero_v 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zero_v_gen v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 47d9e561a46aa08c980ef50f57d9c1f8a1e5e6b99373ba5a6c2d75b93f721c93
[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" "47d9e561a46aa08c980ef50f57d9c1f8a1e5e6b99373ba5a6c2d75b93f721c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d9e561a46aa08c980ef50f57d9c1f8a1e5e6b99373ba5a6c2d75b93f721c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d9e561a46aa08c980ef50f57d9c1f8a1e5e6b99373ba5a6c2d75b93f721c93", kill_on_drop: false }`
[INFO] [stdout] 47d9e561a46aa08c980ef50f57d9c1f8a1e5e6b99373ba5a6c2d75b93f721c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e4e787e4d16b95621b7eff544b200d135f9714fe5c1bc1fec43bfadea438fcf3
[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" "e4e787e4d16b95621b7eff544b200d135f9714fe5c1bc1fec43bfadea438fcf3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling zero_v_gen v0.1.0
[INFO] [stderr]    Compiling zero_v v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "e4e787e4d16b95621b7eff544b200d135f9714fe5c1bc1fec43bfadea438fcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e787e4d16b95621b7eff544b200d135f9714fe5c1bc1fec43bfadea438fcf3", kill_on_drop: false }`
[INFO] [stdout] e4e787e4d16b95621b7eff544b200d135f9714fe5c1bc1fec43bfadea438fcf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6190be5efdacbf7600dd0473286153512b561b70d9a5a24128c3d911a84f9661
[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" "6190be5efdacbf7600dd0473286153512b561b70d9a5a24128c3d911a84f9661", kill_on_drop: false }`
[INFO] [stderr]    Compiling zero_v v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "6190be5efdacbf7600dd0473286153512b561b70d9a5a24128c3d911a84f9661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6190be5efdacbf7600dd0473286153512b561b70d9a5a24128c3d911a84f9661", kill_on_drop: false }`
[INFO] [stdout] 6190be5efdacbf7600dd0473286153512b561b70d9a5a24128c3d911a84f9661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 0d63f1f1b2bbd18f7948dffb54056846ce90a2f91cb6cdd81ce2ee1112eb45f3
[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" "0d63f1f1b2bbd18f7948dffb54056846ce90a2f91cb6cdd81ce2ee1112eb45f3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zero_v-ccd57e579a53b630)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test composite::test::can_build_composites_with_compose_macro ... ok
[INFO] [stdout] test test::can_compose ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zero_v
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 17) ... ignored
[INFO] [stdout] test src/lib.rs - (line 36) ... ignored
[INFO] [stdout] test src/lib.rs - (line 63) ... ignored
[INFO] [stdout] test src/lib.rs - (line 73) ... ignored
[INFO] [stdout] test src/lib.rs - (line 112) ... ok
[INFO] [stdout] test src/composite.rs - compose (line 117) ... ok
[INFO] [stdout] test src/lib.rs - (line 84) ... ok
[INFO] [stdout] test src/composite.rs - compose_nodes (line 93) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0d63f1f1b2bbd18f7948dffb54056846ce90a2f91cb6cdd81ce2ee1112eb45f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d63f1f1b2bbd18f7948dffb54056846ce90a2f91cb6cdd81ce2ee1112eb45f3", kill_on_drop: false }`
[INFO] [stdout] 0d63f1f1b2bbd18f7948dffb54056846ce90a2f91cb6cdd81ce2ee1112eb45f3