[INFO] fetching crate velcro_core 0.5.4...
[INFO] testing velcro_core-0.5.4 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate velcro_core 0.5.4 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate velcro_core 0.5.4 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91cd5bcab6ebe4c35936359ddd78e35b4cf650cda2b5812aafc18264a8afa450
[INFO] running `Command { std: "docker" "start" "-a" "91cd5bcab6ebe4c35936359ddd78e35b4cf650cda2b5812aafc18264a8afa450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91cd5bcab6ebe4c35936359ddd78e35b4cf650cda2b5812aafc18264a8afa450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91cd5bcab6ebe4c35936359ddd78e35b4cf650cda2b5812aafc18264a8afa450", kill_on_drop: false }`
[INFO] [stdout] 91cd5bcab6ebe4c35936359ddd78e35b4cf650cda2b5812aafc18264a8afa450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8938dde942b1674f6451f47e8ec3d2632ee713571b95cff470909e2fdaa83435
[INFO] running `Command { std: "docker" "start" "-a" "8938dde942b1674f6451f47e8ec3d2632ee713571b95cff470909e2fdaa83435", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling velcro_core v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `Command { std: "docker" "inspect" "8938dde942b1674f6451f47e8ec3d2632ee713571b95cff470909e2fdaa83435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8938dde942b1674f6451f47e8ec3d2632ee713571b95cff470909e2fdaa83435", kill_on_drop: false }`
[INFO] [stdout] 8938dde942b1674f6451f47e8ec3d2632ee713571b95cff470909e2fdaa83435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2b1d762473fbe18e3c9953c06a1272a95aee79b3c792e21cfd9a4f374756525
[INFO] running `Command { std: "docker" "start" "-a" "f2b1d762473fbe18e3c9953c06a1272a95aee79b3c792e21cfd9a4f374756525", 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 0.59s
[INFO] running `Command { std: "docker" "inspect" "f2b1d762473fbe18e3c9953c06a1272a95aee79b3c792e21cfd9a4f374756525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b1d762473fbe18e3c9953c06a1272a95aee79b3c792e21cfd9a4f374756525", kill_on_drop: false }`
[INFO] [stdout] f2b1d762473fbe18e3c9953c06a1272a95aee79b3c792e21cfd9a4f374756525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9058bd7651c0d03441950006b29fb4f8a5621c4aaeed6228e09ae45be65d32bc
[INFO] running `Command { std: "docker" "start" "-a" "9058bd7651c0d03441950006b29fb4f8a5621c4aaeed6228e09ae45be65d32bc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/velcro_core-a0632c9509ab6645)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test seq::tests::non_spread_input_is_simple ... ok
[INFO] [stdout] test seq::tests::parse_single_expression_as_one_value_of_one ... ok
[INFO] [stdout] test seq::tests::parse_single_spread_expression_as_one_value_of_many ... ok
[INFO] [stdout] test seq::tests::empty_input_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::parenthesized_spread_with_no_expression_is_single_value ... ok
[INFO] [stdout] test value::tests::parse_literal_as_one ... ok
[INFO] [stdout] test value::tests::expression_with_spread_is_not_simple ... ok
[INFO] [stdout] test value::tests::parse_complex_expression_as_one ... ok
[INFO] [stdout] test value::tests::parse_spread_simple_expression_as_many ... ok
[INFO] [stdout] test value::tests::spread_with_no_expression_is_error ... ok
[INFO] [stdout] test value::tests::expression_without_spread_is_simple ... ok
[INFO] [stdout] test value::tests::spread_complex_expression_as_many ... 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] [stderr]    Doc-tests velcro_core
[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" "9058bd7651c0d03441950006b29fb4f8a5621c4aaeed6228e09ae45be65d32bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9058bd7651c0d03441950006b29fb4f8a5621c4aaeed6228e09ae45be65d32bc", kill_on_drop: false }`
[INFO] [stdout] 9058bd7651c0d03441950006b29fb4f8a5621c4aaeed6228e09ae45be65d32bc