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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sxend/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxend%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxend%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e97ef5bcefdee569d46d37a8cfe474a4f310b41e
[INFO] checking sxend/rust_study against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsxend%2Frust_study" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sxend/rust_study on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sxend/rust_study
[INFO] finished tweaking git repo https://github.com/sxend/rust_study
[INFO] tweaked toml for git repo https://github.com/sxend/rust_study written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sxend/rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] c79944d40c8e7fc23f751ffc87d4bdc7aaf68d9cbc336b5da2f97c0c613ee4af
[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" "c79944d40c8e7fc23f751ffc87d4bdc7aaf68d9cbc336b5da2f97c0c613ee4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c79944d40c8e7fc23f751ffc87d4bdc7aaf68d9cbc336b5da2f97c0c613ee4af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79944d40c8e7fc23f751ffc87d4bdc7aaf68d9cbc336b5da2f97c0c613ee4af", kill_on_drop: false }`
[INFO] [stdout] c79944d40c8e7fc23f751ffc87d4bdc7aaf68d9cbc336b5da2f97c0c613ee4af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2545fc0a52a862ddb08cfbfbbff57fca3a9e6089ae1448ae9e18c30b3ebb792e
[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" "2545fc0a52a862ddb08cfbfbbff57fca3a9e6089ae1448ae9e18c30b3ebb792e", kill_on_drop: false }`
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[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/downcast_sample.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn receiver(message: &Any) {
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/downcast_sample.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn receiver(message: &Any) {
[INFO] [stdout]    |                       ^^^ help: use `dyn`: `dyn Any`
[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/bin/mitm_sample.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | ) -> Box<Future<Item = (TcpReadBuffer, Vec<String>), Error = IoError>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (TcpReadBuffer, Vec<String>), Error = IoError>`
[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/bin/mitm_sample.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | ) -> Box<Future<Item = (TcpReadBuffer, Vec<String>), Error = IoError>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (TcpReadBuffer, Vec<String>), Error = IoError>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/mitm_sample.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | ) -> Box<Future<Item = (TcpReadBuffer, String), Error = IoError>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (TcpReadBuffer, String), Error = IoError>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/mitm_sample.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | ) -> Box<Future<Item = (TcpReadBuffer, Vec<String>), Error = IoError>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (TcpReadBuffer, Vec<String>), Error = IoError>`
[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/bin/mitm_sample.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | ) -> Box<Future<Item = (TcpReadBuffer, Vec<String>), Error = IoError>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (TcpReadBuffer, Vec<String>), Error = IoError>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/mitm_sample.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | ) -> Box<Future<Item = (TcpReadBuffer, String), Error = IoError>> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (TcpReadBuffer, String), Error = IoError>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/bin/iron_server_sample.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let description = err.description().to_string();
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde`
[INFO] [stdout]  --> src/bin/actix_sample.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/actix_sample.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn handle(_req: HttpRequest) -> Box<future::Future<Item = HttpResponse, Error = error::Error>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn future::Future<Item = HttpResponse, Error = error::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `iron::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/bin/iron_server_sample.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let description = err.description().to_string();
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde`
[INFO] [stdout]  --> src/bin/actix_sample.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/actix_sample.rs:18:37
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn handle(_req: HttpRequest) -> Box<future::Future<Item = HttpResponse, Error = error::Error>> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn future::Future<Item = HttpResponse, Error = error::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "2545fc0a52a862ddb08cfbfbbff57fca3a9e6089ae1448ae9e18c30b3ebb792e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2545fc0a52a862ddb08cfbfbbff57fca3a9e6089ae1448ae9e18c30b3ebb792e", kill_on_drop: false }`
[INFO] [stdout] 2545fc0a52a862ddb08cfbfbbff57fca3a9e6089ae1448ae9e18c30b3ebb792e