[INFO] fetching crate website-icon-extract 0.4.1...
[INFO] checking website-icon-extract-0.4.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate website-icon-extract 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate website-icon-extract 0.4.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate website-icon-extract 0.4.1
[INFO] finished tweaking crates.io crate website-icon-extract 0.4.1
[INFO] tweaked toml for crates.io crate website-icon-extract 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-xml v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe604b0ed1ed8daf8c61f54c78fb808e794ba20b3496adcdbf87c6a551c87120
[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" "fe604b0ed1ed8daf8c61f54c78fb808e794ba20b3496adcdbf87c6a551c87120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe604b0ed1ed8daf8c61f54c78fb808e794ba20b3496adcdbf87c6a551c87120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe604b0ed1ed8daf8c61f54c78fb808e794ba20b3496adcdbf87c6a551c87120", kill_on_drop: false }`
[INFO] [stdout] fe604b0ed1ed8daf8c61f54c78fb808e794ba20b3496adcdbf87c6a551c87120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--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] 6c2bea13c9076096511996eb2a0d7143898853147ee5fc4a2f37943cf5c99a4f
[INFO] running `Command { std: "docker" "start" "-a" "6c2bea13c9076096511996eb2a0d7143898853147ee5fc4a2f37943cf5c99a4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking encoding_rs v0.8.24
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking quick-xml v0.15.0
[INFO] [stderr]     Checking website-icon-extract v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/request.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | type BoxResult<T> = Result<T, Box<Error>>;
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/request.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     readable: Box<Read>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/request.rs:72:71
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn normalize_url(base_url_str: &str, url: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/request.rs:229:39
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn read_stream_until(stream: &mut Read, condition: &'static [u8]) -> BoxResult<String> {
[INFO] [stdout]     |                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/request.rs:260:47
[INFO] [stdout]     |
[INFO] [stdout] 260 |     fn send_request(agent: &str, stream: &mut Write, host: &str, path: &str) -> BoxResult<()> {
[INFO] [stdout]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/request.rs:293:34
[INFO] [stdout]     |
[INFO] [stdout] 293 |     fn read_request(stream: &mut Read) -> BoxResult<HttpHeaders> {
[INFO] [stdout]     |                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:96
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn extract_icons(url: &str, user_agent: &str, tcp_timeout: u32) -> Result<Vec<String>, Box<Error>> {
[INFO] [stdout]    |                                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:64:71
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn normalize_url(base_url_str: &str, url: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:70:64
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn analyze_location(mut x: Request) -> Result<Vec<String>, Box<Error>> {
[INFO] [stdout]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:153:62
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn analyze_content(content: &str) -> Result<Vec<String>, Box<Error>> {
[INFO] [stdout]     |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/request.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | type BoxResult<T> = Result<T, Box<Error>>;
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/request.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     readable: Box<Read>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/request.rs:72:71
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn normalize_url(base_url_str: &str, url: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/request.rs:229:39
[INFO] [stdout]     |
[INFO] [stdout] 229 |     fn read_stream_until(stream: &mut Read, condition: &'static [u8]) -> BoxResult<String> {
[INFO] [stdout]     |                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/request.rs:260:47
[INFO] [stdout]     |
[INFO] [stdout] 260 |     fn send_request(agent: &str, stream: &mut Write, host: &str, path: &str) -> BoxResult<()> {
[INFO] [stdout]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/request.rs:293:34
[INFO] [stdout]     |
[INFO] [stdout] 293 |     fn read_request(stream: &mut Read) -> BoxResult<HttpHeaders> {
[INFO] [stdout]     |                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:35:96
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn extract_icons(url: &str, user_agent: &str, tcp_timeout: u32) -> Result<Vec<String>, Box<Error>> {
[INFO] [stdout]    |                                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:64:71
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn normalize_url(base_url_str: &str, url: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:70:64
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn analyze_location(mut x: Request) -> Result<Vec<String>, Box<Error>> {
[INFO] [stdout]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:153:62
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn analyze_content(content: &str) -> Result<Vec<String>, Box<Error>> {
[INFO] [stdout]     |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/request.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut stream = TcpStream::connect_timeout(
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/request.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut stream = TcpStream::connect_timeout(
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.74s
[INFO] running `Command { std: "docker" "inspect" "6c2bea13c9076096511996eb2a0d7143898853147ee5fc4a2f37943cf5c99a4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2bea13c9076096511996eb2a0d7143898853147ee5fc4a2f37943cf5c99a4f", kill_on_drop: false }`
[INFO] [stdout] 6c2bea13c9076096511996eb2a0d7143898853147ee5fc4a2f37943cf5c99a4f