[INFO] cloning repository https://github.com/marant/rustloris
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marant/rustloris" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarant%2Frustloris"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarant%2Frustloris'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd615aefd9e06036bdba073f9a671a2c41cbb7c9
[INFO] checking marant/rustloris against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarant%2Frustloris" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marant/rustloris on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/marant/rustloris
[INFO] finished tweaking git repo https://github.com/marant/rustloris
[INFO] tweaked toml for git repo https://github.com/marant/rustloris written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/marant/rustloris already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/servo/rust-url`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 261dbf110af78bd48a3f7871715d34365951660baefcd44e2c61d4bd2c586dd1
[INFO] running `"docker" "start" "-a" "261dbf110af78bd48a3f7871715d34365951660baefcd44e2c61d4bd2c586dd1"`
[INFO] [stderr]     Checking percent-encoding v2.1.0 (https://github.com/servo/rust-url#7d2c9d6c)
[INFO] [stderr]     Checking idna v0.2.0 (https://github.com/servo/rust-url#7d2c9d6c)
[INFO] [stderr]     Checking url v2.1.0 (https://github.com/servo/rust-url#7d2c9d6c)
[INFO] [stderr]     Checking rustloris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let target = try!(construct_target(args.arg_target));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:77:22
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let target_url = try!(Url::parse(target.as_str()));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let host = try!(target_url.host_str()
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let mut stream = try!(net::TcpStream::connect((opts.target.host.as_str(), opts.target.port)));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     try!(stream.write_all(opts.header.as_str().as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(stream.write_all(hdr.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn print_usage_and_exit(e :Box<Error>) -> ! {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:61:70
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn args_to_attack_opts(args :Arguments) -> Result<AttackOptions, Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:76:63
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn construct_target<'a>(target :String) -> Result<Target, Box<Error>> {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:98:53
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn slowloris(opts :AttackOptions) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let target = try!(construct_target(args.arg_target));
[INFO] [stderr]    |                  ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:77:22
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let target_url = try!(Url::parse(target.as_str()));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:78:16
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let host = try!(target_url.host_str()
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:99:22
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let mut stream = try!(net::TcpStream::connect((opts.target.host.as_str(), opts.target.port)));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     try!(stream.write_all(opts.header.as_str().as_bytes()));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(stream.write_all(hdr.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:29:32
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn print_usage_and_exit(e :Box<Error>) -> ! {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:61:70
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn args_to_attack_opts(args :Arguments) -> Result<AttackOptions, Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:76:63
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn construct_target<'a>(target :String) -> Result<Target, Box<Error>> {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:98:53
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn slowloris(opts :AttackOptions) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `"docker" "inspect" "261dbf110af78bd48a3f7871715d34365951660baefcd44e2c61d4bd2c586dd1"`
[INFO] running `"docker" "rm" "-f" "261dbf110af78bd48a3f7871715d34365951660baefcd44e2c61d4bd2c586dd1"`
[INFO] [stdout] 261dbf110af78bd48a3f7871715d34365951660baefcd44e2c61d4bd2c586dd1