[INFO] fetching crate iron-error-router 0.3.0...
[INFO] checking iron-error-router-0.3.0 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate iron-error-router 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate iron-error-router 0.3.0 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 699dca6093db437bb435f72d0029bd05b5dcabda7641a674857a0e182a500c7d
[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" "699dca6093db437bb435f72d0029bd05b5dcabda7641a674857a0e182a500c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "699dca6093db437bb435f72d0029bd05b5dcabda7641a674857a0e182a500c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699dca6093db437bb435f72d0029bd05b5dcabda7641a674857a0e182a500c7d", kill_on_drop: false }`
[INFO] [stdout] 699dca6093db437bb435f72d0029bd05b5dcabda7641a674857a0e182a500c7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a17143be45a26d34b908a0bcc6d6652530ed2d49ba796c81614cc1b63cba5062
[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" "a17143be45a26d34b908a0bcc6d6652530ed2d49ba796c81614cc1b63cba5062", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a17143be45a26d34b908a0bcc6d6652530ed2d49ba796c81614cc1b63cba5062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17143be45a26d34b908a0bcc6d6652530ed2d49ba796c81614cc1b63cba5062", kill_on_drop: false }`
[INFO] [stdout] a17143be45a26d34b908a0bcc6d6652530ed2d49ba796c81614cc1b63cba5062