[INFO] fetching crate symbolic_expressions 5.0.3...
[INFO] testing symbolic_expressions-5.0.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate symbolic_expressions 5.0.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate symbolic_expressions 5.0.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca8ab3dbddf72884d680adaafe4a2be01e2985fcf1a12c9d71a7a032c87e5d5f
[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" "ca8ab3dbddf72884d680adaafe4a2be01e2985fcf1a12c9d71a7a032c87e5d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca8ab3dbddf72884d680adaafe4a2be01e2985fcf1a12c9d71a7a032c87e5d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca8ab3dbddf72884d680adaafe4a2be01e2985fcf1a12c9d71a7a032c87e5d5f", kill_on_drop: false }`
[INFO] [stdout] ca8ab3dbddf72884d680adaafe4a2be01e2985fcf1a12c9d71a7a032c87e5d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 255ae3c6678cbc8a632d08f522bd9d170bdb5e54cdaf24c7ff89c79558143844
[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" "255ae3c6678cbc8a632d08f522bd9d170bdb5e54cdaf24c7ff89c79558143844", 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 0.77s
[INFO] running `Command { std: "docker" "inspect" "255ae3c6678cbc8a632d08f522bd9d170bdb5e54cdaf24c7ff89c79558143844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255ae3c6678cbc8a632d08f522bd9d170bdb5e54cdaf24c7ff89c79558143844", kill_on_drop: false }`
[INFO] [stdout] 255ae3c6678cbc8a632d08f522bd9d170bdb5e54cdaf24c7ff89c79558143844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a71ef859e45869651c256288cbd48fa46fc99a19a483af7ba73d5ee1f7fa543d
[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" "a71ef859e45869651c256288cbd48fa46fc99a19a483af7ba73d5ee1f7fa543d", 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a71ef859e45869651c256288cbd48fa46fc99a19a483af7ba73d5ee1f7fa543d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a71ef859e45869651c256288cbd48fa46fc99a19a483af7ba73d5ee1f7fa543d", kill_on_drop: false }`
[INFO] [stdout] a71ef859e45869651c256288cbd48fa46fc99a19a483af7ba73d5ee1f7fa543d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d7f9d9ed0406eb6ff3ed5a6b00b18711db2e0003075270b43f53e3b040fd67e
[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" "7d7f9d9ed0406eb6ff3ed5a6b00b18711db2e0003075270b43f53e3b040fd67e", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/symbolic_expressions-3a5d55e0f15accea
[INFO] [stdout] running 26 tests
[INFO] [stdout] test test::test_br_float ... ok
[INFO] [stdout] test test::test_br_int ... ok
[INFO] [stdout] test test::test_br_qbrstring ... ok
[INFO] [stdout] test test::test_float_vs_int ... ok
[INFO] [stdout] test test::test_fail_pcb ... ok
[INFO] [stdout] test test::test_empty ... ok
[INFO] [stdout] test test::test_empty_qstring ... ok
[INFO] [stdout] test test::test_number_string ... ok
[INFO] [stdout] test test::test_qstring_a ... ok
[INFO] [stdout] test test::test_qstring_a2 ... ok
[INFO] [stdout] test test::test_complex ... ok
[INFO] [stdout] test test::test_double ... ok
[INFO] [stdout] test test::test_br_string ... ok
[INFO] [stdout] test test::test_br_qstring ... ok
[INFO] [stdout] test test::test_string ... ok
[INFO] [stdout] test test::test_qstring_a3 ... ok
[INFO] [stdout] test test::test_quoted_escape ... ok
[INFO] [stdout] test test::test_minimal ... ok
[INFO] [stdout] test test::test_multiline ... ok
[INFO] [stdout] test test::test_multiline_two_empty ... ok
[INFO] [stdout] test test::test_number ... ok
[INFO] [stdout] test test::test_kicad_1 ... ok
[INFO] [stdout] test test::test_invalid1 ... ok
[INFO] [stdout] test test::test_invalid2 ... ok
[INFO] [stdout] test test::test_invalid3 ... ok
[INFO] [stdout] test test::test_invalid_check_position ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iteratom-4eae8fce98277cbd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_iteratom ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests symbolic_expressions
[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" "7d7f9d9ed0406eb6ff3ed5a6b00b18711db2e0003075270b43f53e3b040fd67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7f9d9ed0406eb6ff3ed5a6b00b18711db2e0003075270b43f53e3b040fd67e", kill_on_drop: false }`
[INFO] [stdout] 7d7f9d9ed0406eb6ff3ed5a6b00b18711db2e0003075270b43f53e3b040fd67e