[INFO] fetching crate actix-http 3.0.0-beta.8...
[INFO] checking actix-http-3.0.0-beta.8 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate actix-http 3.0.0-beta.8 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate actix-http 3.0.0-beta.8 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate actix-http 3.0.0-beta.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate actix-http 3.0.0-beta.8
[INFO] tweaked toml for crates.io crate actix-http 3.0.0-beta.8 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate actix-http 3.0.0-beta.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b01af38b0d522ef0255bc511bd88ea8f01067b84bc9f1730b932d2b757467491
[INFO] running `Command { std: "docker" "start" "-a" "b01af38b0d522ef0255bc511bd88ea8f01067b84bc9f1730b932d2b757467491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b01af38b0d522ef0255bc511bd88ea8f01067b84bc9f1730b932d2b757467491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b01af38b0d522ef0255bc511bd88ea8f01067b84bc9f1730b932d2b757467491", kill_on_drop: false }`
[INFO] [stdout] b01af38b0d522ef0255bc511bd88ea8f01067b84bc9f1730b932d2b757467491
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8602d73cce0554b420b31b5e4db1eacc52363166fc6da3446d25ccf23f04ea2d
[INFO] running `Command { std: "docker" "start" "-a" "8602d73cce0554b420b31b5e4db1eacc52363166fc6da3446d25ccf23f04ea2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking actix-rt v2.2.0
[INFO] [stderr]     Checking actix-codec v0.4.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking actix-tls v3.0.0-beta.5
[INFO] [stderr]     Checking actix-http v3.0.0-beta.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `serde_json`
[INFO] [stdout]    --> src/body/mod.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         use serde_json::{json, Value};
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `json`
[INFO] [stdout]    --> src/body/mod.rs:230:44
[INFO] [stdout]     |
[INFO] [stdout] 230 |             Body::from(serde_json::to_vec(&json!({"test-key":"test-value"})).unwrap())
[INFO] [stdout]     |                                            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]    --> src/body/mod.rs:225:24
[INFO] [stdout]     |
[INFO] [stdout] 225 |             Body::from(serde_json::to_vec(&Value::String("test".to_owned())).unwrap())
[INFO] [stdout]     |                        ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `serde_json`
[INFO] [stdout]    --> src/body/mod.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 |             Body::from(serde_json::to_vec(&json!({"test-key":"test-value"})).unwrap())
[INFO] [stdout]     |                        ^^^^^^^^^^ use of undeclared crate or module `serde_json`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `actix-http`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: associated function is never used: `new_encoder`
[INFO] [stdout]   --> src/error.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub(crate) fn new_encoder() -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8602d73cce0554b420b31b5e4db1eacc52363166fc6da3446d25ccf23f04ea2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8602d73cce0554b420b31b5e4db1eacc52363166fc6da3446d25ccf23f04ea2d", kill_on_drop: false }`
[INFO] [stdout] 8602d73cce0554b420b31b5e4db1eacc52363166fc6da3446d25ccf23f04ea2d