[INFO] crate mio-child-process 0.2.1 is already in cache [INFO] checking mio-child-process-0.2.1 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] extracting crate mio-child-process 0.2.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate mio-child-process 0.2.1 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate mio-child-process 0.2.1 [INFO] finished tweaking crates.io crate mio-child-process 0.2.1 [INFO] tweaked toml for crates.io crate mio-child-process 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5667f3881f57ab9c2e4f72a995873fcbce0474b2abf011e650bbcc4f960065c6 [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" "5667f3881f57ab9c2e4f72a995873fcbce0474b2abf011e650bbcc4f960065c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5667f3881f57ab9c2e4f72a995873fcbce0474b2abf011e650bbcc4f960065c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5667f3881f57ab9c2e4f72a995873fcbce0474b2abf011e650bbcc4f960065c6", kill_on_drop: false }` [INFO] [stdout] 5667f3881f57ab9c2e4f72a995873fcbce0474b2abf011e650bbcc4f960065c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5efa3c8ad3ccf91fa7800dc2694878f0d509d3b40e27e1af128fe17af59dd524 [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" "5efa3c8ad3ccf91fa7800dc2694878f0d509d3b40e27e1af128fe17af59dd524", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking mio-child-process v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/lib.rs:234:13 [INFO] [stdout] | [INFO] [stdout] 77 | use std::io::{Error, ErrorKind, Read, Result, Write}; [INFO] [stdout] | ----- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 234 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/lib.rs:234:13 [INFO] [stdout] | [INFO] [stdout] 77 | use std::io::{Error, ErrorKind, Read, Result, Write}; [INFO] [stdout] | ----- the item `Error` is already imported here [INFO] [stdout] ... [INFO] [stdout] 234 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "5efa3c8ad3ccf91fa7800dc2694878f0d509d3b40e27e1af128fe17af59dd524", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5efa3c8ad3ccf91fa7800dc2694878f0d509d3b40e27e1af128fe17af59dd524", kill_on_drop: false }` [INFO] [stdout] 5efa3c8ad3ccf91fa7800dc2694878f0d509d3b40e27e1af128fe17af59dd524