[INFO] fetching crate webframework-core 0.0.2...
[INFO] checking webframework-core-0.0.2 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate webframework-core 0.0.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate webframework-core 0.0.2 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webframework-core 0.0.2
[INFO] finished tweaking crates.io crate webframework-core 0.0.2
[INFO] tweaked toml for crates.io crate webframework-core 0.0.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64eec8b6da157a8269b950b5b53ffd9749aa7b157cbc2317a888b1ab77a4bb8b
[INFO] running `Command { std: "docker" "start" "-a" "64eec8b6da157a8269b950b5b53ffd9749aa7b157cbc2317a888b1ab77a4bb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64eec8b6da157a8269b950b5b53ffd9749aa7b157cbc2317a888b1ab77a4bb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64eec8b6da157a8269b950b5b53ffd9749aa7b157cbc2317a888b1ab77a4bb8b", kill_on_drop: false }`
[INFO] [stdout] 64eec8b6da157a8269b950b5b53ffd9749aa7b157cbc2317a888b1ab77a4bb8b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed3d2ca066075d6a9a398b1e93b816e0bb98e9215009abdc6af2453502674d8e
[INFO] running `Command { std: "docker" "start" "-a" "ed3d2ca066075d6a9a398b1e93b816e0bb98e9215009abdc6af2453502674d8e", kill_on_drop: false }`
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.36
[INFO] [stderr]     Checking webframework-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:5:40
[INFO] [stdout]    |
[INFO] [stdout] 5  |             fn cause(&self) -> Option<&failure::Fail> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn failure::Fail`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/request.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl_fail_boilerplate!(RequestErrorKind, RequestError);
[INFO] [stdout]    | ------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `impl_fail_boilerplate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:5:40
[INFO] [stdout]    |
[INFO] [stdout] 5  |             fn cause(&self) -> Option<&failure::Fail> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn failure::Fail`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/response.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl_fail_boilerplate!(ResponseErrorKind, ResponseError);
[INFO] [stdout]    | --------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `impl_fail_boilerplate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:5:40
[INFO] [stdout]    |
[INFO] [stdout] 5  |             fn cause(&self) -> Option<&failure::Fail> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn failure::Fail`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/router.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl_fail_boilerplate!(RouterErrorKind, RouterError);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `impl_fail_boilerplate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:5:40
[INFO] [stdout]    |
[INFO] [stdout] 5  |             fn cause(&self) -> Option<&failure::Fail> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn failure::Fail`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/form.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl_fail_boilerplate!(FormErrorKind, FormError);
[INFO] [stdout]    | ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `impl_fail_boilerplate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:5:40
[INFO] [stdout]    |
[INFO] [stdout] 5  |             fn cause(&self) -> Option<&failure::Fail> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn failure::Fail`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/request.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl_fail_boilerplate!(RequestErrorKind, RequestError);
[INFO] [stdout]    | ------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `impl_fail_boilerplate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:5:40
[INFO] [stdout]    |
[INFO] [stdout] 5  |             fn cause(&self) -> Option<&failure::Fail> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn failure::Fail`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/response.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl_fail_boilerplate!(ResponseErrorKind, ResponseError);
[INFO] [stdout]    | --------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `impl_fail_boilerplate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:5:40
[INFO] [stdout]    |
[INFO] [stdout] 5  |             fn cause(&self) -> Option<&failure::Fail> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn failure::Fail`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/router.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl_fail_boilerplate!(RouterErrorKind, RouterError);
[INFO] [stdout]    | ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `impl_fail_boilerplate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:5:40
[INFO] [stdout]    |
[INFO] [stdout] 5  |             fn cause(&self) -> Option<&failure::Fail> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn failure::Fail`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/form.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl_fail_boilerplate!(FormErrorKind, FormError);
[INFO] [stdout]    | ------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]    = note: this warning originates in the macro `impl_fail_boilerplate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "ed3d2ca066075d6a9a398b1e93b816e0bb98e9215009abdc6af2453502674d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3d2ca066075d6a9a398b1e93b816e0bb98e9215009abdc6af2453502674d8e", kill_on_drop: false }`
[INFO] [stdout] ed3d2ca066075d6a9a398b1e93b816e0bb98e9215009abdc6af2453502674d8e