[INFO] fetching crate velcro_core 0.5.1...
[INFO] testing velcro_core-0.5.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate velcro_core 0.5.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate velcro_core 0.5.1 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 velcro_core 0.5.1
[INFO] finished tweaking crates.io crate velcro_core 0.5.1
[INFO] tweaked toml for crates.io crate velcro_core 0.5.1 written to /workspace/builds/worker-14/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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 549f65c082bca5dc5d9e1fff3ad2c9389a95f46c7dd874fdcdd943af9dd5b78e
[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" "549f65c082bca5dc5d9e1fff3ad2c9389a95f46c7dd874fdcdd943af9dd5b78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "549f65c082bca5dc5d9e1fff3ad2c9389a95f46c7dd874fdcdd943af9dd5b78e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549f65c082bca5dc5d9e1fff3ad2c9389a95f46c7dd874fdcdd943af9dd5b78e", kill_on_drop: false }`
[INFO] [stdout] 549f65c082bca5dc5d9e1fff3ad2c9389a95f46c7dd874fdcdd943af9dd5b78e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 40e6a7b5182836e5acdcf7deab9794cf706907f3acbf7d0a03f83b50065c3110
[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" "40e6a7b5182836e5acdcf7deab9794cf706907f3acbf7d0a03f83b50065c3110", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling velcro_core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.90s
[INFO] running `Command { std: "docker" "inspect" "40e6a7b5182836e5acdcf7deab9794cf706907f3acbf7d0a03f83b50065c3110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e6a7b5182836e5acdcf7deab9794cf706907f3acbf7d0a03f83b50065c3110", kill_on_drop: false }`
[INFO] [stdout] 40e6a7b5182836e5acdcf7deab9794cf706907f3acbf7d0a03f83b50065c3110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3f2f3258553bca47d5f23ecbca7d574b8b3ed93be81bf8d39a6d195449862c6a
[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" "3f2f3258553bca47d5f23ecbca7d574b8b3ed93be81bf8d39a6d195449862c6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling velcro_core v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "3f2f3258553bca47d5f23ecbca7d574b8b3ed93be81bf8d39a6d195449862c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f2f3258553bca47d5f23ecbca7d574b8b3ed93be81bf8d39a6d195449862c6a", kill_on_drop: false }`
[INFO] [stdout] 3f2f3258553bca47d5f23ecbca7d574b8b3ed93be81bf8d39a6d195449862c6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 41e914e2413d12122a7c28626e911328f267a0391fc587c22b9f6d9334d5cd8c
[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" "41e914e2413d12122a7c28626e911328f267a0391fc587c22b9f6d9334d5cd8c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/velcro_core-7b192e234b3defdb
[INFO] [stdout] running 13 tests
[INFO] [stdout] test seq::tests::parse_empty_input_as_empty_sequence ... ok
[INFO] [stdout] test seq::tests::empty_input_is_simple ... ok
[INFO] [stdout] test value::tests::parse_literal_as_one ... ok
[INFO] [stdout] test seq::tests::non_spread_input_is_simple ... ok
[INFO] [stdout] test seq::tests::parse_single_spread_expression_as_one_value_of_many ... ok
[INFO] [stdout] test value::tests::spread_with_no_expression_is_error ... ok
[INFO] [stdout] test seq::tests::parse_single_expression_as_one_value_of_one ... ok
[INFO] [stdout] test value::tests::parse_complex_expression_as_one ... ok
[INFO] [stdout] test value::tests::expression_without_spread_is_simple ... ok
[INFO] [stdout] test seq::tests::spread_input_is_not_simple ... ok
[INFO] [stdout] test value::tests::parse_spread_simple_expression_as_many ... ok
[INFO] [stderr]    Doc-tests velcro_core
[INFO] [stdout] test value::tests::spread_complex_expression_as_many ... ok
[INFO] [stdout] test value::tests::expression_with_spread_is_not_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 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" "41e914e2413d12122a7c28626e911328f267a0391fc587c22b9f6d9334d5cd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e914e2413d12122a7c28626e911328f267a0391fc587c22b9f6d9334d5cd8c", kill_on_drop: false }`
[INFO] [stdout] 41e914e2413d12122a7c28626e911328f267a0391fc587c22b9f6d9334d5cd8c