[INFO] fetching crate rcombinators 0.1.0...
[INFO] testing rcombinators-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rcombinators 0.1.0 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate rcombinators 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcombinators 0.1.0
[INFO] finished tweaking crates.io crate rcombinators 0.1.0
[INFO] tweaked toml for crates.io crate rcombinators 0.1.0 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time-test v0.2.2
[INFO] [stderr]   Downloaded utf8reader v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47a80d3d7c1a5937295a910ca61f92c5a28b29bd53b4995b935dcc045cabce8f
[INFO] running `Command { std: "docker" "start" "-a" "47a80d3d7c1a5937295a910ca61f92c5a28b29bd53b4995b935dcc045cabce8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a80d3d7c1a5937295a910ca61f92c5a28b29bd53b4995b935dcc045cabce8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a80d3d7c1a5937295a910ca61f92c5a28b29bd53b4995b935dcc045cabce8f", kill_on_drop: false }`
[INFO] [stdout] 47a80d3d7c1a5937295a910ca61f92c5a28b29bd53b4995b935dcc045cabce8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4815894e67b246f8528b9dceea0f7b361a41e9e5f5d5cabd5d49f549d4ff7aac
[INFO] running `Command { std: "docker" "start" "-a" "4815894e67b246f8528b9dceea0f7b361a41e9e5f5d5cabd5d49f549d4ff7aac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling utf8reader v0.1.0
[INFO] [stderr]    Compiling time-test v0.2.2
[INFO] [stderr]    Compiling rcombinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/primitives.rs:158:44
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 Err(ParseError::ExecFail(e.description().to_string()))
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/primitives.rs:177:40
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(e) => return Err(execerr(e.description())),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/primitives.rs:184:44
[INFO] [stdout]     |
[INFO] [stdout] 184 |             Err(e) => return Err(execerr(e.description())),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "4815894e67b246f8528b9dceea0f7b361a41e9e5f5d5cabd5d49f549d4ff7aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4815894e67b246f8528b9dceea0f7b361a41e9e5f5d5cabd5d49f549d4ff7aac", kill_on_drop: false }`
[INFO] [stdout] 4815894e67b246f8528b9dceea0f7b361a41e9e5f5d5cabd5d49f549d4ff7aac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06923b812f9f445972e731dc1967035d3b41b6055636a64ceb9cff078470b3f6
[INFO] running `Command { std: "docker" "start" "-a" "06923b812f9f445972e731dc1967035d3b41b6055636a64ceb9cff078470b3f6", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/primitives.rs:158:44
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 Err(ParseError::ExecFail(e.description().to_string()))
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/primitives.rs:177:40
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(e) => return Err(execerr(e.description())),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rcombinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/primitives.rs:184:44
[INFO] [stdout]     |
[INFO] [stdout] 184 |             Err(e) => return Err(execerr(e.description())),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/combinators.rs:556:17
[INFO] [stdout]     |
[INFO] [stdout] 555 |                 panic!("lazy should not run this function!");
[INFO] [stdout]     |                 --------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 556 |                 Uint8::new()
[INFO] [stdout]     |                 ^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/primitives.rs:158:44
[INFO] [stdout]     |
[INFO] [stdout] 158 |                 Err(ParseError::ExecFail(e.description().to_string()))
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/primitives.rs:177:40
[INFO] [stdout]     |
[INFO] [stdout] 177 |         Err(e) => return Err(execerr(e.description())),
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/primitives.rs:184:44
[INFO] [stdout]     |
[INFO] [stdout] 184 |             Err(e) => return Err(execerr(e.description())),
[INFO] [stdout]     |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "06923b812f9f445972e731dc1967035d3b41b6055636a64ceb9cff078470b3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06923b812f9f445972e731dc1967035d3b41b6055636a64ceb9cff078470b3f6", kill_on_drop: false }`
[INFO] [stdout] 06923b812f9f445972e731dc1967035d3b41b6055636a64ceb9cff078470b3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5a08a1131092c11d964a1c79646f6d8094688861a58bdd89fb33620e011aea6
[INFO] running `Command { std: "docker" "start" "-a" "a5a08a1131092c11d964a1c79646f6d8094688861a58bdd89fb33620e011aea6", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/primitives.rs:158:44
[INFO] [stderr]     |
[INFO] [stderr] 158 |                 Err(ParseError::ExecFail(e.description().to_string()))
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/primitives.rs:177:40
[INFO] [stderr]     |
[INFO] [stderr] 177 |         Err(e) => return Err(execerr(e.description())),
[INFO] [stderr]     |                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/primitives.rs:184:44
[INFO] [stderr]     |
[INFO] [stderr] 184 |             Err(e) => return Err(execerr(e.description())),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/combinators.rs:556:17
[INFO] [stderr]     |
[INFO] [stderr] 555 |                 panic!("lazy should not run this function!");
[INFO] [stderr]     |                 --------------------------------------------- any code following this expression is unreachable
[INFO] [stderr] 556 |                 Uint8::new()
[INFO] [stderr]     |                 ^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rcombinators` (lib) generated 3 warnings
[INFO] [stderr] warning: `rcombinators` (lib test) generated 4 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcombinators-e093bd113eae5bee)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test combinators::tests::test_lazy2 ... ok
[INFO] [stdout] test combinators::tests::test_lazy ... ok
[INFO] [stdout] test combinators::tests::test_alternative ... ok
[INFO] [stdout] test combinators::tests::test_lazy3 ... ok
[INFO] [stdout] test combinators::tests::test_long_seq ... ok
[INFO] [stdout] test combinators::tests::test_pair ... ok
[INFO] [stdout] test combinators::tests::test_partial_sequence ... ok
[INFO] [stdout] test combinators::tests::test_repeat ... ok
[INFO] [stdout] test combinators::tests::test_then ... ok
[INFO] [stdout] test primitives::tests::test_parse_int ... ok
[INFO] [stdout] test primitives::tests::test_parse_floats ... ok
[INFO] [stdout] test primitives::tests::test_parse_long_int ... ok
[INFO] [stdout] test primitives::tests::test_parse_string ... ok
[INFO] [stdout] test primitives::tests::test_string_none_of ... ok
[INFO] [stdout] test primitives::tests::test_string_of ... ok
[INFO] [stdout] test state::tests::test_utf8_stream ... ok
[INFO] [stdout] test state::tests::test_basic ... ok
[INFO] [stdout] test primitives::tests::bench_float ... ok
[INFO] [stdout] test primitives::tests::bench_integer_medium ... ok
[INFO] [stdout] test state::tests::test_hold_unreleased - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] (parse-int with static buffer took PT0.010459569S) (parse-float with combinators took PT0.011666939S) (parse-int with dynamic buffer took PT0.010486219S)    Doc-tests rcombinators
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/combinators.rs - combinators::Lazy (line 391) ... ignored
[INFO] [stdout] test src/combinators.rs - combinators::Lazy (line 399) ... ignored
[INFO] [stdout] test src/combinators.rs - combinators::Lazy<P, F>::new (line 411) ... ignored
[INFO] [stdout] test src/parser.rs - parser::Parser (line 46) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5a08a1131092c11d964a1c79646f6d8094688861a58bdd89fb33620e011aea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a08a1131092c11d964a1c79646f6d8094688861a58bdd89fb33620e011aea6", kill_on_drop: false }`
[INFO] [stdout] a5a08a1131092c11d964a1c79646f6d8094688861a58bdd89fb33620e011aea6