[INFO] fetching crate symbolic_expressions 5.0.3...
[INFO] testing symbolic_expressions-5.0.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate symbolic_expressions 5.0.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate symbolic_expressions 5.0.3 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 symbolic_expressions 5.0.3
[INFO] finished tweaking crates.io crate symbolic_expressions 5.0.3
[INFO] tweaked toml for crates.io crate symbolic_expressions 5.0.3 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 95e08136c0a1dcbf7a3def8bbd9ccabc0eb619a57a8ee5b4abd76312526c9313
[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" "95e08136c0a1dcbf7a3def8bbd9ccabc0eb619a57a8ee5b4abd76312526c9313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95e08136c0a1dcbf7a3def8bbd9ccabc0eb619a57a8ee5b4abd76312526c9313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e08136c0a1dcbf7a3def8bbd9ccabc0eb619a57a8ee5b4abd76312526c9313", kill_on_drop: false }`
[INFO] [stdout] 95e08136c0a1dcbf7a3def8bbd9ccabc0eb619a57a8ee5b4abd76312526c9313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f0a5e661094fa63c120135e4a82dc1359c969229c93c3142ced0b21d68f0a9f8
[INFO] running `Command { std: "docker" "start" "-a" "f0a5e661094fa63c120135e4a82dc1359c969229c93c3142ced0b21d68f0a9f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling symbolic_expressions v5.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "f0a5e661094fa63c120135e4a82dc1359c969229c93c3142ced0b21d68f0a9f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a5e661094fa63c120135e4a82dc1359c969229c93c3142ced0b21d68f0a9f8", kill_on_drop: false }`
[INFO] [stdout] f0a5e661094fa63c120135e4a82dc1359c969229c93c3142ced0b21d68f0a9f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] af33953f0ee8d4a164e46c5eda485476bf4217088da71132b8030856f6c0ef8a
[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" "af33953f0ee8d4a164e46c5eda485476bf4217088da71132b8030856f6c0ef8a", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling symbolic_expressions v5.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "af33953f0ee8d4a164e46c5eda485476bf4217088da71132b8030856f6c0ef8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af33953f0ee8d4a164e46c5eda485476bf4217088da71132b8030856f6c0ef8a", kill_on_drop: false }`
[INFO] [stdout] af33953f0ee8d4a164e46c5eda485476bf4217088da71132b8030856f6c0ef8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] af220fc687df6df4194e56c0fba8ebc7151fd94795b24c6adfd35abf6d385d53
[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" "af220fc687df6df4194e56c0fba8ebc7151fd94795b24c6adfd35abf6d385d53", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:46:32
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 26 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/symbolic_expressions-7a13018a0eb1ff5e
[INFO] [stdout] test test::test_br_int ... ok
[INFO] [stdout] test test::test_br_qbrstring ... ok
[INFO] [stdout] test test::test_empty ... ok
[INFO] [stdout] test test::test_empty_qstring ... ok
[INFO] [stdout] test test::test_float_vs_int ... ok
[INFO] [stdout] test test::test_complex ... ok
[INFO] [stdout] test test::test_br_qstring ... ok
[INFO] [stdout] test test::test_br_float ... ok
[INFO] [stdout] test test::test_multiline_two_empty ... ok
[INFO] [stdout] test test::test_number_string ... ok
[INFO] [stdout] test test::test_number ... ok
[INFO] [stdout] test test::test_multiline ... ok
[INFO] [stdout] test test::test_minimal ... ok
[INFO] [stdout] test test::test_kicad_1 ... ok
[INFO] [stdout] test test::test_fail_pcb ... ok
[INFO] [stdout] test test::test_double ... ok
[INFO] [stdout] test test::test_quoted_escape ... ok
[INFO] [stdout] test test::test_string ... ok
[INFO] [stdout] test test::test_br_string ... ok
[INFO] [stdout] test test::test_qstring_a ... ok
[INFO] [stdout] test test::test_qstring_a2 ... ok
[INFO] [stdout] test test::test_qstring_a3 ... ok
[INFO] [stdout] test test::test_invalid2 ... ok
[INFO] [stdout] test test::test_invalid_check_position ... ok
[INFO] [stdout] test test::test_invalid1 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iteratom-4afe6ce279b0e0f4
[INFO] [stdout] test test::test_invalid3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests symbolic_expressions
[INFO] [stdout] test test_iteratom ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "af220fc687df6df4194e56c0fba8ebc7151fd94795b24c6adfd35abf6d385d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af220fc687df6df4194e56c0fba8ebc7151fd94795b24c6adfd35abf6d385d53", kill_on_drop: false }`
[INFO] [stdout] af220fc687df6df4194e56c0fba8ebc7151fd94795b24c6adfd35abf6d385d53