[INFO] fetching crate grpc 0.8.1...
[INFO] checking grpc-0.8.1 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate grpc 0.8.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate grpc 0.8.1 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grpc 0.8.1
[INFO] finished tweaking crates.io crate grpc 0.8.1
[INFO] tweaked toml for crates.io crate grpc 0.8.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded futures v0.3.5
[INFO] [stderr]   Downloaded futures-core v0.3.5
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[INFO] [stderr]   Downloaded futures-channel v0.3.5
[INFO] [stderr]   Downloaded base64 v0.9.3
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[INFO] [stderr]   Downloaded winapi-util v0.1.5
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[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
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[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c6384772252cade1b305005cc5f7f88398bb6bd9447dfdeb313c0673292dcd6
[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" "1c6384772252cade1b305005cc5f7f88398bb6bd9447dfdeb313c0673292dcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c6384772252cade1b305005cc5f7f88398bb6bd9447dfdeb313c0673292dcd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6384772252cade1b305005cc5f7f88398bb6bd9447dfdeb313c0673292dcd6", kill_on_drop: false }`
[INFO] [stdout] 1c6384772252cade1b305005cc5f7f88398bb6bd9447dfdeb313c0673292dcd6
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c61a4be2ee5626de9fb93bcf653cf908ad701e090427d7e693e56d54ae3f812
[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" "5c61a4be2ee5626de9fb93bcf653cf908ad701e090427d7e693e56d54ae3f812", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling httpbis v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling log-ndc-env-logger v0.2.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking log-ndc v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tls-api v0.4.0
[INFO] [stderr]     Checking tls-api-stub v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking grpc v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `conf`
[INFO] [stdout]   --> src/server/mod.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     conf: ServerConf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sender`
[INFO] [stdout]   --> src/req.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     sender: Option<mpsc::Sender<T>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `conf`
[INFO] [stdout]   --> src/server/mod.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     conf: ServerConf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sender`
[INFO] [stdout]   --> src/req.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     sender: Option<mpsc::Sender<T>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 46.03s
[INFO] running `Command { std: "docker" "inspect" "5c61a4be2ee5626de9fb93bcf653cf908ad701e090427d7e693e56d54ae3f812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c61a4be2ee5626de9fb93bcf653cf908ad701e090427d7e693e56d54ae3f812", kill_on_drop: false }`
[INFO] [stdout] 5c61a4be2ee5626de9fb93bcf653cf908ad701e090427d7e693e56d54ae3f812
