[INFO] fetching crate velcro_core 0.5.4...
[INFO] testing velcro_core-0.5.4 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate velcro_core 0.5.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate velcro_core 0.5.4
[INFO] finished tweaking crates.io crate velcro_core 0.5.4
[INFO] tweaked toml for crates.io crate velcro_core 0.5.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate velcro_core 0.5.4 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bed241ad549412c57f6ecf7ac917fac576eea2020ad4a7e60ae5fba3852ce1e6
[INFO] running `Command { std: "docker" "start" "-a" "bed241ad549412c57f6ecf7ac917fac576eea2020ad4a7e60ae5fba3852ce1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bed241ad549412c57f6ecf7ac917fac576eea2020ad4a7e60ae5fba3852ce1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed241ad549412c57f6ecf7ac917fac576eea2020ad4a7e60ae5fba3852ce1e6", kill_on_drop: false }`
[INFO] [stdout] bed241ad549412c57f6ecf7ac917fac576eea2020ad4a7e60ae5fba3852ce1e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9db638439570cab799aea074dfb7f632a66892ff469431b65c711865d04b4951
[INFO] running `Command { std: "docker" "start" "-a" "9db638439570cab799aea074dfb7f632a66892ff469431b65c711865d04b4951", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling velcro_core v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.19s
[INFO] running `Command { std: "docker" "inspect" "9db638439570cab799aea074dfb7f632a66892ff469431b65c711865d04b4951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db638439570cab799aea074dfb7f632a66892ff469431b65c711865d04b4951", kill_on_drop: false }`
[INFO] [stdout] 9db638439570cab799aea074dfb7f632a66892ff469431b65c711865d04b4951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d18bc2c1692dcca210aa105af1bc215684d39fc479fea3bc19b9846dc8516531
[INFO] running `Command { std: "docker" "start" "-a" "d18bc2c1692dcca210aa105af1bc215684d39fc479fea3bc19b9846dc8516531", kill_on_drop: false }`
[INFO] [stderr]    Compiling velcro_core v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "d18bc2c1692dcca210aa105af1bc215684d39fc479fea3bc19b9846dc8516531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18bc2c1692dcca210aa105af1bc215684d39fc479fea3bc19b9846dc8516531", kill_on_drop: false }`
[INFO] [stdout] d18bc2c1692dcca210aa105af1bc215684d39fc479fea3bc19b9846dc8516531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78ef2d96d0e00de6098fa1f0203e743f8ae8a557b195d50f7c031c014fe9944a
[INFO] running `Command { std: "docker" "start" "-a" "78ef2d96d0e00de6098fa1f0203e743f8ae8a557b195d50f7c031c014fe9944a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/velcro_core-4b7ab1b98d6486c9)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test seq::tests::empty_input_is_simple ... ok
[INFO] [stdout] test seq::tests::parse_single_expression_as_one_value_of_one ... ok
[INFO] [stdout] test value::tests::expression_without_spread_is_simple ... ok
[INFO] [stdout] test seq::tests::parse_empty_input_as_empty_sequence ... ok
[INFO] [stdout] test seq::tests::spread_input_is_not_simple ... ok
[INFO] [stdout] test value::tests::expression_with_spread_is_not_simple ... ok
[INFO] [stdout] test value::tests::parse_literal_as_one ... ok
[INFO] [stdout] test value::tests::parse_spread_simple_expression_as_many ... ok
[INFO] [stdout] test value::tests::parse_complex_expression_as_one ... ok
[INFO] [stdout] test value::tests::spread_complex_expression_as_many ... ok
[INFO] [stderr]    Doc-tests velcro_core
[INFO] [stdout] test value::tests::spread_with_no_expression_is_error ... ok
[INFO] [stdout] test value::tests::parenthesized_spread_with_no_expression_is_single_value ... ok
[INFO] [stdout] test seq::tests::parse_single_spread_expression_as_one_value_of_many ... ok
[INFO] [stdout] test seq::tests::non_spread_input_is_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78ef2d96d0e00de6098fa1f0203e743f8ae8a557b195d50f7c031c014fe9944a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ef2d96d0e00de6098fa1f0203e743f8ae8a557b195d50f7c031c014fe9944a", kill_on_drop: false }`
[INFO] [stdout] 78ef2d96d0e00de6098fa1f0203e743f8ae8a557b195d50f7c031c014fe9944a