[INFO] fetching crate hrpc-build 0.31.0...
[INFO] testing hrpc-build-0.31.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate hrpc-build 0.31.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hrpc-build 0.31.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hrpc-build 0.31.0
[INFO] finished tweaking crates.io crate hrpc-build 0.31.0
[INFO] tweaked toml for crates.io crate hrpc-build 0.31.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] aeb388cd785e24656a01e6ccd162005291d61d134b4056337e96bf37457328b3
[INFO] running `Command { std: "docker" "start" "-a" "aeb388cd785e24656a01e6ccd162005291d61d134b4056337e96bf37457328b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb388cd785e24656a01e6ccd162005291d61d134b4056337e96bf37457328b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb388cd785e24656a01e6ccd162005291d61d134b4056337e96bf37457328b3", kill_on_drop: false }`
[INFO] [stdout] aeb388cd785e24656a01e6ccd162005291d61d134b4056337e96bf37457328b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59766890ac80b6ee29a8b7c9210bb2429773468d8c29d6b64fda8d8cbfece600
[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" "59766890ac80b6ee29a8b7c9210bb2429773468d8c29d6b64fda8d8cbfece600", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling hrpc-build v0.31.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `service`
[INFO] [stdout]    --> src/prost.rs:158:28
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn generate(&mut self, service: prost_build::Service, _buf: &mut String) {
[INFO] [stdout]     |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/prost.rs:172:28
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn finalize(&mut self, buf: &mut String) {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `builder`
[INFO] [stdout]    --> src/prost.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     builder: Builder,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_doc_comment`
[INFO] [stdout]    --> src/lib.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn generate_doc_comment<S: AsRef<str>>(comment: S) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_doc_comments`
[INFO] [stdout]    --> src/lib.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn generate_doc_comments<T: AsRef<str>>(comments: &[T]) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `naive_snake_case`
[INFO] [stdout]    --> src/lib.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn naive_snake_case(name: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.24s
[INFO] running `Command { std: "docker" "inspect" "59766890ac80b6ee29a8b7c9210bb2429773468d8c29d6b64fda8d8cbfece600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59766890ac80b6ee29a8b7c9210bb2429773468d8c29d6b64fda8d8cbfece600", kill_on_drop: false }`
[INFO] [stdout] 59766890ac80b6ee29a8b7c9210bb2429773468d8c29d6b64fda8d8cbfece600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f2ddf47b679ea264d0974843eede6c7039593b92f454627a4f9665d7c6eda5a
[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" "8f2ddf47b679ea264d0974843eede6c7039593b92f454627a4f9665d7c6eda5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling hrpc-build v0.31.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `service`
[INFO] [stdout]    --> src/prost.rs:158:28
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn generate(&mut self, service: prost_build::Service, _buf: &mut String) {
[INFO] [stdout]     |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/prost.rs:172:28
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn finalize(&mut self, buf: &mut String) {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `builder`
[INFO] [stdout]    --> src/prost.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     builder: Builder,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_doc_comment`
[INFO] [stdout]    --> src/lib.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn generate_doc_comment<S: AsRef<str>>(comment: S) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_doc_comments`
[INFO] [stdout]    --> src/lib.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn generate_doc_comments<T: AsRef<str>>(comments: &[T]) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `naive_snake_case`
[INFO] [stdout]    --> src/lib.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn naive_snake_case(name: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `service`
[INFO] [stdout]    --> src/prost.rs:158:28
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn generate(&mut self, service: prost_build::Service, _buf: &mut String) {
[INFO] [stdout]     |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/prost.rs:172:28
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn finalize(&mut self, buf: &mut String) {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `builder`
[INFO] [stdout]    --> src/prost.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     builder: Builder,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_doc_comment`
[INFO] [stdout]    --> src/lib.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn generate_doc_comment<S: AsRef<str>>(comment: S) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_doc_comments`
[INFO] [stdout]    --> src/lib.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn generate_doc_comments<T: AsRef<str>>(comments: &[T]) -> TokenStream {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "8f2ddf47b679ea264d0974843eede6c7039593b92f454627a4f9665d7c6eda5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2ddf47b679ea264d0974843eede6c7039593b92f454627a4f9665d7c6eda5a", kill_on_drop: false }`
[INFO] [stdout] 8f2ddf47b679ea264d0974843eede6c7039593b92f454627a4f9665d7c6eda5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b3c503674ad7352cd94dd7ecf6a3a722e79ccfce1b178bc56e749bf0a775b55
[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" "6b3c503674ad7352cd94dd7ecf6a3a722e79ccfce1b178bc56e749bf0a775b55", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stdout] running 1 test
[INFO] [stderr]    --> src/prost.rs:158:28
[INFO] [stdout] test test_snake_case ... ok
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 158 |     fn generate(&mut self, service: prost_build::Service, _buf: &mut String) {
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/prost.rs:172:28
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn finalize(&mut self, buf: &mut String) {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `builder`
[INFO] [stderr]    --> src/prost.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     builder: Builder,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_doc_comment`
[INFO] [stderr]    --> src/lib.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn generate_doc_comment<S: AsRef<str>>(comment: S) -> TokenStream {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_doc_comments`
[INFO] [stderr]    --> src/lib.rs:130:4
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn generate_doc_comments<T: AsRef<str>>(comments: &[T]) -> TokenStream {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `naive_snake_case`
[INFO] [stderr]    --> src/lib.rs:140:4
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn naive_snake_case(name: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hrpc-build` (lib) generated 6 warnings
[INFO] [stderr] warning: `hrpc-build` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hrpc_build-014baa6c4144a0ed)
[INFO] [stderr]    Doc-tests hrpc-build
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b3c503674ad7352cd94dd7ecf6a3a722e79ccfce1b178bc56e749bf0a775b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3c503674ad7352cd94dd7ecf6a3a722e79ccfce1b178bc56e749bf0a775b55", kill_on_drop: false }`
[INFO] [stdout] 6b3c503674ad7352cd94dd7ecf6a3a722e79ccfce1b178bc56e749bf0a775b55