[INFO] fetching crate citp 0.2.1...
[INFO] testing citp-0.2.1 against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] extracting crate citp 0.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate citp 0.2.1 on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate citp 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate citp 0.2.1
[INFO] tweaked toml for crates.io crate citp 0.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate citp 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_field v0.10.2
[INFO] [stderr]   Downloaded ucs2 v0.3.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded socket2 v0.5.4
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded getrandom v0.2.10
[INFO] [stderr]   Downloaded libc v0.2.149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ab0cd11473b43886f341b3f497a86dc20f1a3c620b281ef34ed796fdd02e5b2
[INFO] running `Command { std: "docker" "start" "-a" "8ab0cd11473b43886f341b3f497a86dc20f1a3c620b281ef34ed796fdd02e5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ab0cd11473b43886f341b3f497a86dc20f1a3c620b281ef34ed796fdd02e5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab0cd11473b43886f341b3f497a86dc20f1a3c620b281ef34ed796fdd02e5b2", kill_on_drop: false }`
[INFO] [stdout] 8ab0cd11473b43886f341b3f497a86dc20f1a3c620b281ef34ed796fdd02e5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0777cf63bd2550a9d2d6728bf720416f50d789f899d018193c5ab0f253767f6
[INFO] running `Command { std: "docker" "start" "-a" "d0777cf63bd2550a9d2d6728bf720416f50d789f899d018193c5ab0f253767f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling ucs2 v0.3.2
[INFO] [stderr]    Compiling citp v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/protocol/mod.rs:465:59
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let name = std::str::from_utf8(&utf8_buf).unwrap().clone().to_string();
[INFO] [stdout]     |                                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "d0777cf63bd2550a9d2d6728bf720416f50d789f899d018193c5ab0f253767f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0777cf63bd2550a9d2d6728bf720416f50d789f899d018193c5ab0f253767f6", kill_on_drop: false }`
[INFO] [stdout] d0777cf63bd2550a9d2d6728bf720416f50d789f899d018193c5ab0f253767f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4337f1ceaf23ab15ca5946977f0486c78673c0b306dcf12f4697f7ceabef380f
[INFO] running `Command { std: "docker" "start" "-a" "4337f1ceaf23ab15ca5946977f0486c78673c0b306dcf12f4697f7ceabef380f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/protocol/mod.rs:465:59
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let name = std::str::from_utf8(&utf8_buf).unwrap().clone().to_string();
[INFO] [stdout]     |                                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling socket2 v0.5.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling citp v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `received` is never read
[INFO] [stdout]    --> examples/demo/citp_tcp.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             received = received.drain(header.message_size as usize..).collect();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_message` is never used
[INFO] [stdout]   --> examples/demo/citp_tcp.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl CitpTcp {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn send_message(&mut self, message: &str) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/protocol/mod.rs:465:59
[INFO] [stdout]     |
[INFO] [stdout] 465 |         let name = std::str::from_utf8(&utf8_buf).unwrap().clone().to_string();
[INFO] [stdout]     |                                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "4337f1ceaf23ab15ca5946977f0486c78673c0b306dcf12f4697f7ceabef380f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4337f1ceaf23ab15ca5946977f0486c78673c0b306dcf12f4697f7ceabef380f", kill_on_drop: false }`
[INFO] [stdout] 4337f1ceaf23ab15ca5946977f0486c78673c0b306dcf12f4697f7ceabef380f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cfb24bc2af1bdbd43d722885235c9535e03612bd54076b80d55b9e7d1d7158c5
[INFO] running `Command { std: "docker" "start" "-a" "cfb24bc2af1bdbd43d722885235c9535e03612bd54076b80d55b9e7d1d7158c5", kill_on_drop: false }`
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/protocol/mod.rs:465:59
[INFO] [stderr]     |
[INFO] [stderr] 465 |         let name = std::str::from_utf8(&utf8_buf).unwrap().clone().to_string();
[INFO] [stderr]     |                                                           ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `citp` (lib) generated 1 warning (run `cargo fix --lib -p citp` to apply 1 suggestion)
[INFO] [stderr] warning: value assigned to `received` is never read
[INFO] [stderr]    --> examples/demo/citp_tcp.rs:122:13
[INFO] [stderr]     |
[INFO] [stderr] 122 |             received = received.drain(header.message_size as usize..).collect();
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `send_message` is never used
[INFO] [stderr]   --> examples/demo/citp_tcp.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl CitpTcp {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn send_message(&mut self, message: &str) -> io::Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `citp` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `citp` (example "demo") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/citp-0c682fd1f40aa95e)
[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] [stderr]    Doc-tests citp
[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" "cfb24bc2af1bdbd43d722885235c9535e03612bd54076b80d55b9e7d1d7158c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb24bc2af1bdbd43d722885235c9535e03612bd54076b80d55b9e7d1d7158c5", kill_on_drop: false }`
[INFO] [stdout] cfb24bc2af1bdbd43d722885235c9535e03612bd54076b80d55b9e7d1d7158c5