[INFO] fetching crate woopsa 0.1.1...
[INFO] checking woopsa-0.1.1 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[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 fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fb0aab3bedfc87780921034e5c939da87d19935aa39c7f69204af10f0876ca1
[INFO] running `Command { std: "docker" "start" "-a" "8fb0aab3bedfc87780921034e5c939da87d19935aa39c7f69204af10f0876ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fb0aab3bedfc87780921034e5c939da87d19935aa39c7f69204af10f0876ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb0aab3bedfc87780921034e5c939da87d19935aa39c7f69204af10f0876ca1", kill_on_drop: false }`
[INFO] [stdout] 8fb0aab3bedfc87780921034e5c939da87d19935aa39c7f69204af10f0876ca1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 407be2c2e95837d83ab9f2534d2475350ec64040e641730c160a15d7c879938c
[INFO] running `Command { std: "docker" "start" "-a" "407be2c2e95837d83ab9f2534d2475350ec64040e641730c160a15d7c879938c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_derive 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 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/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 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: 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 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/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 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/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 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: 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 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: 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 21.76s
[INFO] running `Command { std: "docker" "inspect" "407be2c2e95837d83ab9f2534d2475350ec64040e641730c160a15d7c879938c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407be2c2e95837d83ab9f2534d2475350ec64040e641730c160a15d7c879938c", kill_on_drop: false }`
[INFO] [stdout] 407be2c2e95837d83ab9f2534d2475350ec64040e641730c160a15d7c879938c