[INFO] fetching crate htmlgrep 0.3.1...
[INFO] testing htmlgrep-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate htmlgrep 0.3.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate htmlgrep 0.3.1 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 htmlgrep 0.3.1
[INFO] finished tweaking crates.io crate htmlgrep 0.3.1
[INFO] tweaked toml for crates.io crate htmlgrep 0.3.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate htmlgrep 0.3.1 already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 6ee76fad7f7c5e59a19d5014537816af6ca99b845a2b7d1c8de91e39063987a2
[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" "6ee76fad7f7c5e59a19d5014537816af6ca99b845a2b7d1c8de91e39063987a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ee76fad7f7c5e59a19d5014537816af6ca99b845a2b7d1c8de91e39063987a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee76fad7f7c5e59a19d5014537816af6ca99b845a2b7d1c8de91e39063987a2", kill_on_drop: false }`
[INFO] [stdout] 6ee76fad7f7c5e59a19d5014537816af6ca99b845a2b7d1c8de91e39063987a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 3761fee42a6a195a7f9bd5efd0c7a1375e480fc4b20a2118c0f1ef75412d3a0b
[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" "3761fee42a6a195a7f9bd5efd0c7a1375e480fc4b20a2118c0f1ef75412d3a0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]    Compiling kuchiki v0.7.3
[INFO] [stderr]    Compiling htmlgrep v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> flag.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Overflow => self.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]   --> flag.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Unexpected(ch) => format!("{}: {:?}", self.description(), ch),
[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]   --> result.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 self.description().to_string()
[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 1m 11s
[INFO] running `Command { std: "docker" "inspect" "3761fee42a6a195a7f9bd5efd0c7a1375e480fc4b20a2118c0f1ef75412d3a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3761fee42a6a195a7f9bd5efd0c7a1375e480fc4b20a2118c0f1ef75412d3a0b", kill_on_drop: false }`
[INFO] [stdout] 3761fee42a6a195a7f9bd5efd0c7a1375e480fc4b20a2118c0f1ef75412d3a0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5a28874ba8f26538fc486e7eea28227610e25add65ab1e01228d5f0b9f5f82af
[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" "5a28874ba8f26538fc486e7eea28227610e25add65ab1e01228d5f0b9f5f82af", kill_on_drop: false }`
[INFO] [stderr]    Compiling htmlgrep v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> flag.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Overflow => self.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]   --> flag.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Unexpected(ch) => format!("{}: {:?}", self.description(), ch),
[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]   --> result.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 self.description().to_string()
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[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]   --> flag.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Overflow => self.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]   --> flag.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Unexpected(ch) => format!("{}: {:?}", self.description(), ch),
[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]   --> result.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 self.description().to_string()
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "5a28874ba8f26538fc486e7eea28227610e25add65ab1e01228d5f0b9f5f82af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a28874ba8f26538fc486e7eea28227610e25add65ab1e01228d5f0b9f5f82af", kill_on_drop: false }`
[INFO] [stdout] 5a28874ba8f26538fc486e7eea28227610e25add65ab1e01228d5f0b9f5f82af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5fc6397a9c6b9c5101bad01533b7f461b4444dfa564282364863a2041a2d79bd
[INFO] running `Command { std: "docker" "start" "-a" "5fc6397a9c6b9c5101bad01533b7f461b4444dfa564282364863a2041a2d79bd", 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]   --> flag.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |             Overflow => self.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]   --> flag.rs:23:47
[INFO] [stderr]    |
[INFO] [stderr] 23 |             Unexpected(ch) => format!("{}: {:?}", self.description(), ch),
[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]   --> result.rs:33:10
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 self.description().to_string()
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> flag.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |             Overflow => self.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]   --> flag.rs:23:47
[INFO] [stderr]    |
[INFO] [stderr] 23 |             Unexpected(ch) => format!("{}: {:?}", self.description(), ch),
[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]   --> result.rs:33:10
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 self.description().to_string()
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/htmlgrep-9ef7831d4399499a
[INFO] [stdout] running 9 tests
[INFO] [stdout] test flag::tests::test_first ... ok
[INFO] [stdout] test flag::tests::test_flag ... ok
[INFO] [stdout] test flag::tests::test_present ... ok
[INFO] [stdout] test flag::tests::test_stdin ... ok
[INFO] [stdout] test flag::tests::test_empty ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/css-5f44fbf500839666
[INFO] [stdout] test flag::tests::test_line ... ok
[INFO] [stdout] test flag::tests::test_free ... ok
[INFO] [stdout] test flag::tests::test_line_overflow ... ok
[INFO] [stdout] test flag::tests::test_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 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] [stderr]    Doc-tests htmlgrep
[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" "5fc6397a9c6b9c5101bad01533b7f461b4444dfa564282364863a2041a2d79bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc6397a9c6b9c5101bad01533b7f461b4444dfa564282364863a2041a2d79bd", kill_on_drop: false }`
[INFO] [stdout] 5fc6397a9c6b9c5101bad01533b7f461b4444dfa564282364863a2041a2d79bd