[INFO] fetching crate rcombinators 0.1.0...
[INFO] testing rcombinators-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rcombinators 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rcombinators 0.1.0 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 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-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 5a9fe75755107145a2d374574cb055aac580e63eebd07523de2132a33e0205ba
[INFO] running `Command { std: "docker" "start" "-a" "5a9fe75755107145a2d374574cb055aac580e63eebd07523de2132a33e0205ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a9fe75755107145a2d374574cb055aac580e63eebd07523de2132a33e0205ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9fe75755107145a2d374574cb055aac580e63eebd07523de2132a33e0205ba", kill_on_drop: false }`
[INFO] [stdout] 5a9fe75755107145a2d374574cb055aac580e63eebd07523de2132a33e0205ba
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] e7f52b84f5d562b0565563f60bfd2bbd76dd5dcb907c4c67a23f37df9475c5ca
[INFO] running `Command { std: "docker" "start" "-a" "e7f52b84f5d562b0565563f60bfd2bbd76dd5dcb907c4c67a23f37df9475c5ca", kill_on_drop: false }`
[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 1.88s
[INFO] running `Command { std: "docker" "inspect" "e7f52b84f5d562b0565563f60bfd2bbd76dd5dcb907c4c67a23f37df9475c5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f52b84f5d562b0565563f60bfd2bbd76dd5dcb907c4c67a23f37df9475c5ca", kill_on_drop: false }`
[INFO] [stdout] e7f52b84f5d562b0565563f60bfd2bbd76dd5dcb907c4c67a23f37df9475c5ca
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62b6c2eb3916dc5d5b1f7fd71639431e62c43ac2a777c9a44284b108d6134096
[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" "62b6c2eb3916dc5d5b1f7fd71639431e62c43ac2a777c9a44284b108d6134096", kill_on_drop: false }`
[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] [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 2.72s
[INFO] running `Command { std: "docker" "inspect" "62b6c2eb3916dc5d5b1f7fd71639431e62c43ac2a777c9a44284b108d6134096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b6c2eb3916dc5d5b1f7fd71639431e62c43ac2a777c9a44284b108d6134096", kill_on_drop: false }`
[INFO] [stdout] 62b6c2eb3916dc5d5b1f7fd71639431e62c43ac2a777c9a44284b108d6134096
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b648feee4c0835a15d6083c06db9e53457378d9fd5881185f90e7ad9d6ef3b5f
[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" "b648feee4c0835a15d6083c06db9e53457378d9fd5881185f90e7ad9d6ef3b5f", 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: 3 warnings emitted
[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: 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: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rcombinators-a88f2d0b746ee5b3
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test combinators::tests::test_alternative ... 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_then ... ok
[INFO] [stdout] test combinators::tests::test_repeat ... ok
[INFO] [stdout] test primitives::tests::test_parse_floats ... ok
[INFO] [stdout] test primitives::tests::test_parse_int ... 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 combinators::tests::test_lazy2 ... ok
[INFO] [stdout] test combinators::tests::test_lazy ... ok
[INFO] [stdout] test combinators::tests::test_lazy3 ... ok
[INFO] [stdout] test state::tests::test_basic ... ok
[INFO] [stdout] test state::tests::test_utf8_stream ... 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 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] (parse-int with static buffer took PT0.031506969S) (parse-float with combinators took PT0.046263289S) (parse-int with dynamic buffer took PT0.032707117S)    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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b648feee4c0835a15d6083c06db9e53457378d9fd5881185f90e7ad9d6ef3b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b648feee4c0835a15d6083c06db9e53457378d9fd5881185f90e7ad9d6ef3b5f", kill_on_drop: false }`
[INFO] [stdout] b648feee4c0835a15d6083c06db9e53457378d9fd5881185f90e7ad9d6ef3b5f