[INFO] fetching crate prost-codegen 0.1.0...
[INFO] checking prost-codegen-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate prost-codegen 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate prost-codegen 0.1.0 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 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-0/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-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_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] [stdout] 8d906ff7ae77dfb45703074e5cb44e39d461fd6dd4fa0fbd6cd15c56d277abcf
[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" "8d906ff7ae77dfb45703074e5cb44e39d461fd6dd4fa0fbd6cd15c56d277abcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d906ff7ae77dfb45703074e5cb44e39d461fd6dd4fa0fbd6cd15c56d277abcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d906ff7ae77dfb45703074e5cb44e39d461fd6dd4fa0fbd6cd15c56d277abcf", kill_on_drop: false }`
[INFO] [stdout] 8d906ff7ae77dfb45703074e5cb44e39d461fd6dd4fa0fbd6cd15c56d277abcf
[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" "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] 888fdeb0c8d68b6a1377f1d5c82cc461c24d7d892836fd5d0c9a12ffb0b3a498
[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" "888fdeb0c8d68b6a1377f1d5c82cc461c24d7d892836fd5d0c9a12ffb0b3a498", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling quote v0.3.15
[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]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]     Checking prost v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[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 is accepted in the current edition (Rust 2015) 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/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 is accepted in the current edition (Rust 2015) 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/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 is accepted in the current edition (Rust 2015) 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/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 is accepted in the current edition (Rust 2015) 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: 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 23.60s
[INFO] running `Command { std: "docker" "inspect" "888fdeb0c8d68b6a1377f1d5c82cc461c24d7d892836fd5d0c9a12ffb0b3a498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888fdeb0c8d68b6a1377f1d5c82cc461c24d7d892836fd5d0c9a12ffb0b3a498", kill_on_drop: false }`
[INFO] [stdout] 888fdeb0c8d68b6a1377f1d5c82cc461c24d7d892836fd5d0c9a12ffb0b3a498