[INFO] fetching crate woopsa 0.1.1...
[INFO] checking woopsa-0.1.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate woopsa 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate woopsa 0.1.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate woopsa 0.1.1
[INFO] finished tweaking crates.io crate woopsa 0.1.1
[INFO] tweaked toml for crates.io crate woopsa 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] dbe30501b72fa93e6fbbba86bd6400640e685666721794ca6676ce1c1351e320
[INFO] running `Command { std: "docker" "start" "-a" "dbe30501b72fa93e6fbbba86bd6400640e685666721794ca6676ce1c1351e320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe30501b72fa93e6fbbba86bd6400640e685666721794ca6676ce1c1351e320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe30501b72fa93e6fbbba86bd6400640e685666721794ca6676ce1c1351e320", kill_on_drop: false }`
[INFO] [stdout] dbe30501b72fa93e6fbbba86bd6400640e685666721794ca6676ce1c1351e320
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c72cd2796a85a135d73a83336a8c2eedd89a266f3145f36ebe153e0c32cd7c76
[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" "c72cd2796a85a135d73a83336a8c2eedd89a266f3145f36ebe153e0c32cd7c76", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking woopsa v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/json/serialization.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaSerialization {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WoopsaSerialization`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/json/deserialization.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaDeserialization {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WoopsaDeserialization`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::protocol::constant::*`
[INFO] [stdout]  --> src/protocol/container.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::protocol::constant::*;
[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/protocol/method_argument_info.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MethodArgumentInfo {}
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodArgumentInfo`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/json/serialization.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaSerialization {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WoopsaSerialization`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/json/deserialization.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl WoopsaDeserialization {
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn WoopsaDeserialization`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::protocol::constant::*`
[INFO] [stdout]  --> src/protocol/container.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::protocol::constant::*;
[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/protocol/method_argument_info.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MethodArgumentInfo {}
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MethodArgumentInfo`
[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] 
[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 4.94s
[INFO] running `Command { std: "docker" "inspect" "c72cd2796a85a135d73a83336a8c2eedd89a266f3145f36ebe153e0c32cd7c76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72cd2796a85a135d73a83336a8c2eedd89a266f3145f36ebe153e0c32cd7c76", kill_on_drop: false }`
[INFO] [stdout] c72cd2796a85a135d73a83336a8c2eedd89a266f3145f36ebe153e0c32cd7c76