[INFO] fetching crate iron_vhosts 0.5.0...
[INFO] checking iron_vhosts-0.5.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate iron_vhosts 0.5.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate iron_vhosts 0.5.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iron_vhosts 0.5.0
[INFO] finished tweaking crates.io crate iron_vhosts 0.5.0
[INFO] tweaked toml for crates.io crate iron_vhosts 0.5.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] 22241ae3ed525c38e8f37fddaea7b527934c831869b50562d54e89dca8942cda
[INFO] running `Command { std: "docker" "start" "-a" "22241ae3ed525c38e8f37fddaea7b527934c831869b50562d54e89dca8942cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22241ae3ed525c38e8f37fddaea7b527934c831869b50562d54e89dca8942cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22241ae3ed525c38e8f37fddaea7b527934c831869b50562d54e89dca8942cda", kill_on_drop: false }`
[INFO] [stdout] 22241ae3ed525c38e8f37fddaea7b527934c831869b50562d54e89dca8942cda
[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=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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b237bf7e885fd493731414b4750cc095caf5f34db5c8e392c8b67f46fe13d6d
[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" "7b237bf7e885fd493731414b4750cc095caf5f34db5c8e392c8b67f46fe13d6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking iron_vhosts v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     default: Box<Handler>,
[INFO] [stdout]   |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[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/lib.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 |     vhosts: HashMap<String, Box<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/lib.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |             default: Box::new(h) as Box<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/lib.rs:51:90
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn add_host<H: Handler, I:Into<String> >(&mut self, host: I, h: H) -> Option<Box<Handler>> {
[INFO] [stdout]    |                                                                                          ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     default: Box<Handler>,
[INFO] [stdout]   |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[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/lib.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 |     vhosts: HashMap<String, Box<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/lib.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |             default: Box::new(h) as Box<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/lib.rs:51:90
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn add_host<H: Handler, I:Into<String> >(&mut self, host: I, h: H) -> Option<Box<Handler>> {
[INFO] [stdout]    |                                                                                          ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.69s
[INFO] running `Command { std: "docker" "inspect" "7b237bf7e885fd493731414b4750cc095caf5f34db5c8e392c8b67f46fe13d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b237bf7e885fd493731414b4750cc095caf5f34db5c8e392c8b67f46fe13d6d", kill_on_drop: false }`
[INFO] [stdout] 7b237bf7e885fd493731414b4750cc095caf5f34db5c8e392c8b67f46fe13d6d