[INFO] fetching crate hydrogen 0.1.5...
[INFO] checking hydrogen-0.1.5 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate hydrogen 0.1.5 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate hydrogen 0.1.5 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hydrogen 0.1.5
[INFO] finished tweaking crates.io crate hydrogen 0.1.5
[INFO] tweaked toml for crates.io crate hydrogen 0.1.5 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-slab v0.2.3
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6f8c631044c4453cc9471c64e1b7b96e83cdefd52d4c63959d80d1421b98c57
[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" "d6f8c631044c4453cc9471c64e1b7b96e83cdefd52d4c63959d80d1421b98c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6f8c631044c4453cc9471c64e1b7b96e83cdefd52d4c63959d80d1421b98c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f8c631044c4453cc9471c64e1b7b96e83cdefd52d4c63959d80d1421b98c57", kill_on_drop: false }`
[INFO] [stdout] d6f8c631044c4453cc9471c64e1b7b96e83cdefd52d4c63959d80d1421b98c57
[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" "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99f299661f6ed4dc566cb7f46063d41f119b598ff1f5bd61aacaa58e8085109c
[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" "99f299661f6ed4dc566cb7f46063d41f119b598ff1f5bd61aacaa58e8085109c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking simple-slab v0.2.3
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking hydrogen v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:55:32
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub stream: Arc<UnsafeCell<Stream>>
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Stream`
[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/types.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct EventHandler(pub *mut Handler);
[INFO] [stdout]    |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn begin(handler: Box<Handler>, cfg: Config) {
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:164:66
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn on_new_connection(&mut self, fd: RawFd) -> Arc<UnsafeCell<Stream>>;
[INFO] [stdout]     |                                                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/types.rs:55:32
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub stream: Arc<UnsafeCell<Stream>>
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Stream`
[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/types.rs:67:34
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct EventHandler(pub *mut Handler);
[INFO] [stdout]    |                                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/server.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn begin(handler: Box<Handler>, cfg: Config) {
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:164:66
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn on_new_connection(&mut self, fd: RawFd) -> Arc<UnsafeCell<Stream>>;
[INFO] [stdout]     |                                                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/server.rs:231:59
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let err_desc = (*state).as_ref().unwrap().description();
[INFO] [stdout]     |                                                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/server.rs:231:59
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let err_desc = (*state).as_ref().unwrap().description();
[INFO] [stdout]     |                                                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "99f299661f6ed4dc566cb7f46063d41f119b598ff1f5bd61aacaa58e8085109c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f299661f6ed4dc566cb7f46063d41f119b598ff1f5bd61aacaa58e8085109c", kill_on_drop: false }`
[INFO] [stdout] 99f299661f6ed4dc566cb7f46063d41f119b598ff1f5bd61aacaa58e8085109c