[INFO] fetching crate rust_tcp_ipc 0.3.1... [INFO] checking rust_tcp_ipc-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate rust_tcp_ipc 0.3.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate rust_tcp_ipc 0.3.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust_tcp_ipc 0.3.1 [INFO] finished tweaking crates.io crate rust_tcp_ipc 0.3.1 [INFO] tweaked toml for crates.io crate rust_tcp_ipc 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 52 packages [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.4) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding blake2b_simd v0.5.11 (latest: v1.0.2) [INFO] [stderr] Adding constant_time_eq v0.1.5 (latest: v0.3.0) [INFO] [stderr] Adding dirs v1.0.5 (latest: v5.0.1) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding redox_users v0.3.5 (latest: v0.4.5) [INFO] [stderr] Adding rust-argon2 v0.8.3 (latest: v2.1.0) [INFO] [stderr] Adding simplelog v0.5.3 (latest: v0.12.2) [INFO] [stderr] Adding term v0.5.2 (latest: v0.7.0) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded simplelog v0.5.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a31d3f7aa99a7810eb3b250fd5b10021920045fa828a8ec9470cd80a5a5af8b [INFO] running `Command { std: "docker" "start" "-a" "6a31d3f7aa99a7810eb3b250fd5b10021920045fa828a8ec9470cd80a5a5af8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a31d3f7aa99a7810eb3b250fd5b10021920045fa828a8ec9470cd80a5a5af8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a31d3f7aa99a7810eb3b250fd5b10021920045fa828a8ec9470cd80a5a5af8b", kill_on_drop: false }` [INFO] [stdout] 6a31d3f7aa99a7810eb3b250fd5b10021920045fa828a8ec9470cd80a5a5af8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84cb63daff9adfedb85491c667e83bbc33cfa58f1291cbf9e356474d9e8c4bf1 [INFO] running `Command { std: "docker" "start" "-a" "84cb63daff9adfedb85491c667e83bbc33cfa58f1291cbf9e356474d9e8c4bf1", kill_on_drop: false }` [INFO] [stderr] Checking rust_tcp_ipc v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking term v0.5.2 [INFO] [stdout] warning: variant `Working` is never constructed [INFO] [stdout] --> src/tests/example_protocol.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum BusyStatesExample { [INFO] [stdout] | ----------------- variant in this enum [INFO] [stdout] 10 | Idle, [INFO] [stdout] 11 | Working, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BusyStatesExample` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `speed_check_tcp_minimal` is never used [INFO] [stdout] --> src/tests/speed_comparison.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn speed_check_tcp_minimal() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stdout] warning: variant `Working` is never constructed [INFO] [stdout] --> src/tests/example_protocol.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum BusyStatesExample { [INFO] [stdout] | ----------------- variant in this enum [INFO] [stdout] 10 | Idle, [INFO] [stdout] 11 | Working, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BusyStatesExample` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `speed_check_tcp_minimal` is never used [INFO] [stdout] --> src/tests/speed_comparison.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn speed_check_tcp_minimal() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `Command { std: "docker" "inspect" "84cb63daff9adfedb85491c667e83bbc33cfa58f1291cbf9e356474d9e8c4bf1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84cb63daff9adfedb85491c667e83bbc33cfa58f1291cbf9e356474d9e8c4bf1", kill_on_drop: false }` [INFO] [stdout] 84cb63daff9adfedb85491c667e83bbc33cfa58f1291cbf9e356474d9e8c4bf1 [INFO] checking rust_tcp_ipc-0.3.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate rust_tcp_ipc 0.3.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate rust_tcp_ipc 0.3.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust_tcp_ipc 0.3.1 [INFO] finished tweaking crates.io crate rust_tcp_ipc 0.3.1 [INFO] tweaked toml for crates.io crate rust_tcp_ipc 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 52 packages [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.4) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding blake2b_simd v0.5.11 (latest: v1.0.2) [INFO] [stderr] Adding constant_time_eq v0.1.5 (latest: v0.3.0) [INFO] [stderr] Adding dirs v1.0.5 (latest: v5.0.1) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding redox_users v0.3.5 (latest: v0.4.5) [INFO] [stderr] Adding rust-argon2 v0.8.3 (latest: v2.1.0) [INFO] [stderr] Adding simplelog v0.5.3 (latest: v0.12.2) [INFO] [stderr] Adding term v0.5.2 (latest: v0.7.0) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b6a6c9846e6d4d94c01aa1539da1cb427c85129dab344b9e1125f4db8314a9c [INFO] running `Command { std: "docker" "start" "-a" "0b6a6c9846e6d4d94c01aa1539da1cb427c85129dab344b9e1125f4db8314a9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b6a6c9846e6d4d94c01aa1539da1cb427c85129dab344b9e1125f4db8314a9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b6a6c9846e6d4d94c01aa1539da1cb427c85129dab344b9e1125f4db8314a9c", kill_on_drop: false }` [INFO] [stdout] 0b6a6c9846e6d4d94c01aa1539da1cb427c85129dab344b9e1125f4db8314a9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01031ef80a1a2dda0d00b0c89a59ca6b509404f0eefb16d47d519525444ea812 [INFO] running `Command { std: "docker" "start" "-a" "01031ef80a1a2dda0d00b0c89a59ca6b509404f0eefb16d47d519525444ea812", kill_on_drop: false }` [INFO] [stderr] Checking rust_tcp_ipc v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking term v0.5.2 [INFO] [stdout] warning: variant `Working` is never constructed [INFO] [stdout] --> src/tests/example_protocol.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum BusyStatesExample { [INFO] [stdout] | ----------------- variant in this enum [INFO] [stdout] 10 | Idle, [INFO] [stdout] 11 | Working, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BusyStatesExample` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `speed_check_tcp_minimal` is never used [INFO] [stdout] --> src/tests/speed_comparison.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn speed_check_tcp_minimal() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stdout] warning: variant `Working` is never constructed [INFO] [stdout] --> src/tests/example_protocol.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum BusyStatesExample { [INFO] [stdout] | ----------------- variant in this enum [INFO] [stdout] 10 | Idle, [INFO] [stdout] 11 | Working, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BusyStatesExample` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `speed_check_tcp_minimal` is never used [INFO] [stdout] --> src/tests/speed_comparison.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn speed_check_tcp_minimal() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `Command { std: "docker" "inspect" "01031ef80a1a2dda0d00b0c89a59ca6b509404f0eefb16d47d519525444ea812", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01031ef80a1a2dda0d00b0c89a59ca6b509404f0eefb16d47d519525444ea812", kill_on_drop: false }` [INFO] [stdout] 01031ef80a1a2dda0d00b0c89a59ca6b509404f0eefb16d47d519525444ea812