[INFO] fetching crate ipc-channel 0.18.0... [INFO] checking ipc-channel-0.18.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate ipc-channel 0.18.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate ipc-channel 0.18.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ipc-channel 0.18.0 [INFO] finished tweaking crates.io crate ipc-channel 0.18.0 [INFO] tweaked toml for crates.io crate ipc-channel 0.18.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 66 packages [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows v0.48.0 (latest: v0.54.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-test v0.3.30 [INFO] [stderr] Downloaded sc v0.2.7 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ffbcecf7b2d47264c058d47bdfa015c56490ac58fb4d9619bf3b4cf2ccce018 [INFO] running `Command { std: "docker" "start" "-a" "2ffbcecf7b2d47264c058d47bdfa015c56490ac58fb4d9619bf3b4cf2ccce018", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ffbcecf7b2d47264c058d47bdfa015c56490ac58fb4d9619bf3b4cf2ccce018", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ffbcecf7b2d47264c058d47bdfa015c56490ac58fb4d9619bf3b4cf2ccce018", kill_on_drop: false }` [INFO] [stdout] 2ffbcecf7b2d47264c058d47bdfa015c56490ac58fb4d9619bf3b4cf2ccce018 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 922e8174c2e0db025bccf7d87c88ad93eb3e50d5f08871895d5cdb6874adaedd [INFO] running `Command { std: "docker" "start" "-a" "922e8174c2e0db025bccf7d87c88ad93eb3e50d5f08871895d5cdb6874adaedd", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking uuid v1.8.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking ipc-channel v0.18.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/ipc.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/platform/unix/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/platform/unix/mod.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | use libc::{self, MAP_FAILED, MAP_SHARED, PROT_READ, PROT_WRITE, SOCK_SEQPACKET, SOL_SOCKET}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/platform/unix/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/router.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | use crossbeam_channel::{self, Receiver, Sender}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:40:1 [INFO] [stdout] | [INFO] [stdout] 40 | extern crate crossbeam_channel; [INFO] [stdout] | ------------------------------- the item `crossbeam_channel` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/ipc.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `bincode` is imported redundantly [INFO] [stdout] --> src/platform/unix/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use bincode; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:39:1 [INFO] [stdout] | [INFO] [stdout] 39 | extern crate bincode; [INFO] [stdout] | --------------------- the item `bincode` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/platform/unix/mod.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | use libc::{self, MAP_FAILED, MAP_SHARED, PROT_READ, PROT_WRITE, SOCK_SEQPACKET, SOL_SOCKET}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/platform/unix/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/platform/test.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/platform/test.rs:310:43 [INFO] [stdout] | [INFO] [stdout] 310 | static ref FRAGMENT_SIZE: usize = { platform::OsIpcSender::get_max_fragment_size() }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 310 - static ref FRAGMENT_SIZE: usize = { platform::OsIpcSender::get_max_fragment_size() }; [INFO] [stdout] 310 + static ref FRAGMENT_SIZE: usize = platform::OsIpcSender::get_max_fragment_size(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/router.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | use crossbeam_channel::{self, Receiver, Sender}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:40:1 [INFO] [stdout] | [INFO] [stdout] 40 | extern crate crossbeam_channel; [INFO] [stdout] | ------------------------------- the item `crossbeam_channel` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `crossbeam_channel` is imported redundantly [INFO] [stdout] --> src/test.rs:14:25 [INFO] [stdout] | [INFO] [stdout] 14 | use crossbeam_channel::{self, Sender}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:40:1 [INFO] [stdout] | [INFO] [stdout] 40 | extern crate crossbeam_channel; [INFO] [stdout] | ------------------------------- the item `crossbeam_channel` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/test.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `test` is imported redundantly [INFO] [stdout] --> benches/bench.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate test; [INFO] [stdout] | ------------------ the item `test` is already imported here [INFO] [stdout] ... [INFO] [stdout] 22 | use crate::test; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `test` is imported redundantly [INFO] [stdout] --> benches/bench.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate test; [INFO] [stdout] | ------------------ the item `test` is already imported here [INFO] [stdout] ... [INFO] [stdout] 185 | use crate::test; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `test` is imported redundantly [INFO] [stdout] --> benches/bench.rs:272:13 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate test; [INFO] [stdout] | ------------------ the item `test` is already imported here [INFO] [stdout] ... [INFO] [stdout] 272 | use crate::test; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s [INFO] running `Command { std: "docker" "inspect" "922e8174c2e0db025bccf7d87c88ad93eb3e50d5f08871895d5cdb6874adaedd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "922e8174c2e0db025bccf7d87c88ad93eb3e50d5f08871895d5cdb6874adaedd", kill_on_drop: false }` [INFO] [stdout] 922e8174c2e0db025bccf7d87c88ad93eb3e50d5f08871895d5cdb6874adaedd