[INFO] fetching crate prost-codegen 0.1.0...
[INFO] checking prost-codegen-0.1.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate prost-codegen 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate prost-codegen 0.1.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-codegen 0.1.0
[INFO] finished tweaking crates.io crate prost-codegen 0.1.0
[INFO] tweaked toml for crates.io crate prost-codegen 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.1.0
[INFO] [stderr]   Downloaded prost-derive v0.1.0
[INFO] [stderr]   Downloaded multimap v0.3.0
[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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4630cd02be6ffea408f62da79c3d8be8296516fe47efe0d7f76be5b309da694b
[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" "4630cd02be6ffea408f62da79c3d8be8296516fe47efe0d7f76be5b309da694b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4630cd02be6ffea408f62da79c3d8be8296516fe47efe0d7f76be5b309da694b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4630cd02be6ffea408f62da79c3d8be8296516fe47efe0d7f76be5b309da694b", kill_on_drop: false }`
[INFO] [stdout] 4630cd02be6ffea408f62da79c3d8be8296516fe47efe0d7f76be5b309da694b
[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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c8b80593ec7b0b3fab3abe70a86259edee6eb85acd075cef97caf0a0c624ae8
[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" "2c8b80593ec7b0b3fab3abe70a86259edee6eb85acd075cef97caf0a0c624ae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking multimap v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking prost v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling prost-derive v0.1.0
[INFO] [stderr]     Checking prost-codegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:62:44
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 service_generator: Option<&ServiceGenerator>) -> HashMap<Module, String> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ServiceGenerator`
[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/lib.rs:92:45
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn generate(service_generator: &Option<&ServiceGenerator>,
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ServiceGenerator`
[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/lib.rs:62:44
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 service_generator: Option<&ServiceGenerator>) -> HashMap<Module, String> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ServiceGenerator`
[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/lib.rs:92:45
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn generate(service_generator: &Option<&ServiceGenerator>,
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ServiceGenerator`
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.38s
[INFO] running `Command { std: "docker" "inspect" "2c8b80593ec7b0b3fab3abe70a86259edee6eb85acd075cef97caf0a0c624ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8b80593ec7b0b3fab3abe70a86259edee6eb85acd075cef97caf0a0c624ae8", kill_on_drop: false }`
[INFO] [stdout] 2c8b80593ec7b0b3fab3abe70a86259edee6eb85acd075cef97caf0a0c624ae8