[INFO] fetching crate htmlgrep 0.3.1...
[INFO] checking htmlgrep-0.3.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate htmlgrep 0.3.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate htmlgrep 0.3.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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-11/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a192ddac8da0046406852a9edfd6a44356b14aae71a26e77cabdde54e23b0fb
[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" "5a192ddac8da0046406852a9edfd6a44356b14aae71a26e77cabdde54e23b0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a192ddac8da0046406852a9edfd6a44356b14aae71a26e77cabdde54e23b0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a192ddac8da0046406852a9edfd6a44356b14aae71a26e77cabdde54e23b0fb", kill_on_drop: false }`
[INFO] [stdout] 5a192ddac8da0046406852a9edfd6a44356b14aae71a26e77cabdde54e23b0fb
[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=forbid" "-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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a4baf0e631848a1716f337ad56d4fad285479fdb209c99981356d68e92aa2a8
[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" "3a4baf0e631848a1716f337ad56d4fad285479fdb209c99981356d68e92aa2a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[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]     Checking kuchiki v0.7.3
[INFO] [stderr]     Checking 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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "3a4baf0e631848a1716f337ad56d4fad285479fdb209c99981356d68e92aa2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a4baf0e631848a1716f337ad56d4fad285479fdb209c99981356d68e92aa2a8", kill_on_drop: false }`
[INFO] [stdout] 3a4baf0e631848a1716f337ad56d4fad285479fdb209c99981356d68e92aa2a8