[INFO] fetching crate iron-error-router 0.3.0...
[INFO] checking iron-error-router-0.3.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate iron-error-router 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate iron-error-router 0.3.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iron-error-router 0.3.0
[INFO] finished tweaking crates.io crate iron-error-router 0.3.0
[INFO] tweaked toml for crates.io crate iron-error-router 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 351950f7b27a5085a68d3fc67d9a8f8dadaad45ef7c6903dae0c091b08c2ec3c
[INFO] running `Command { std: "docker" "start" "-a" "351950f7b27a5085a68d3fc67d9a8f8dadaad45ef7c6903dae0c091b08c2ec3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "351950f7b27a5085a68d3fc67d9a8f8dadaad45ef7c6903dae0c091b08c2ec3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351950f7b27a5085a68d3fc67d9a8f8dadaad45ef7c6903dae0c091b08c2ec3c", kill_on_drop: false }`
[INFO] [stdout] 351950f7b27a5085a68d3fc67d9a8f8dadaad45ef7c6903dae0c091b08c2ec3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0323b64c0a0141990484bd68bc8d7995a16d5d2cbab74c3490e251c7260bdf19
[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" "0323b64c0a0141990484bd68bc8d7995a16d5d2cbab74c3490e251c7260bdf19", kill_on_drop: false }`
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking iron-error-router v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn clone_box(&self) -> Box<ModifierInner>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn ModifierInner`
[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:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn clone_box(&self) -> Box<ModifierInner> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn ModifierInner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Modifier<Response> for Box<ModifierInner> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn ModifierInner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     AfterMiddleware(Box<iron::middleware::AfterMiddleware>),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn iron::middleware::AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Modifier(Box<ModifierInner>),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn ModifierInner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Handler(Box<iron::Handler>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn iron::Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn clone_box(&self) -> Box<ModifierInner>;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn ModifierInner`
[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:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn clone_box(&self) -> Box<ModifierInner> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ help: use `dyn`: `dyn ModifierInner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Modifier<Response> for Box<ModifierInner> {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn ModifierInner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     AfterMiddleware(Box<iron::middleware::AfterMiddleware>),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn iron::middleware::AfterMiddleware`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Modifier(Box<ModifierInner>),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ help: use `dyn`: `dyn ModifierInner`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Handler(Box<iron::Handler>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: use `dyn`: `dyn iron::Handler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]  --> examples/basic.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Ok(Response::with((status::NotFound)))
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "0323b64c0a0141990484bd68bc8d7995a16d5d2cbab74c3490e251c7260bdf19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0323b64c0a0141990484bd68bc8d7995a16d5d2cbab74c3490e251c7260bdf19", kill_on_drop: false }`
[INFO] [stdout] 0323b64c0a0141990484bd68bc8d7995a16d5d2cbab74c3490e251c7260bdf19