[INFO] updating cached repository https://github.com/larvvae/playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 86029851730bf921b834b68a021b0d0f099e2443 [INFO] testing larvvae/playground against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarvvae%2Fplayground" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/larvvae/playground on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/larvvae/playground [INFO] finished tweaking git repo https://github.com/larvvae/playground [INFO] tweaked toml for git repo https://github.com/larvvae/playground written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/larvvae/playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1de8b2d3807980292beb69b3f948dc78667fc690cde2c088eb812798204224e4 [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" "1de8b2d3807980292beb69b3f948dc78667fc690cde2c088eb812798204224e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1de8b2d3807980292beb69b3f948dc78667fc690cde2c088eb812798204224e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1de8b2d3807980292beb69b3f948dc78667fc690cde2c088eb812798204224e4", kill_on_drop: false }` [INFO] [stdout] 1de8b2d3807980292beb69b3f948dc78667fc690cde2c088eb812798204224e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f45cbc8627da528765e5013da42d8c50a566aa7c597f6ee8431d9db179326c3 [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" "7f45cbc8627da528765e5013da42d8c50a566aa7c597f6ee8431d9db179326c3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling protobuf v2.8.1 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling arc-swap v0.3.11 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling futures-channel v0.3.1 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling slog-scope v4.3.0 [INFO] [stderr] Compiling slog-async v2.3.0 [INFO] [stderr] Compiling slog-global v0.1.0 (https://github.com/breeswish/slog-global.git?rev=0e23a5baff302a9d7bccd85f8f31e43339c2f2c1#0e23a5ba) [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling crossbeam-queue v0.2.0 [INFO] [stderr] Compiling crossbeam-channel v0.4.0 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling term v0.6.1 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling chrono v0.4.10 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling slog-stdlog v4.0.0 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling slog-term v2.4.2 [INFO] [stderr] Compiling slog-envlogger v2.2.0 [INFO] [stderr] Compiling protobuf-codegen v2.8.1 [INFO] [stderr] Compiling clap_derive v0.3.0 (https://github.com/clap-rs/clap_derive#4a46684b) [INFO] [stderr] Compiling getset v0.0.7 [INFO] [stderr] Compiling slog_derive v0.1.1 [INFO] [stderr] Compiling protobuf-build v0.10.0 [INFO] [stderr] Compiling clap v3.0.0-beta.1 (https://github.com/clap-rs/clap.git?rev=a2f9fb5f6c2aeeac89c5c638f25dedb9e50bde00#a2f9fb5f) [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling raft-proto v0.6.0-alpha (https://github.com/tikv/raft-rs.git?rev=f7f7d0121132ef6406b59fc774778285cd1477d6#f7f7d012) [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Compiling raft v0.6.0-alpha (https://github.com/tikv/raft-rs.git?rev=f7f7d0121132ef6406b59fc774778285cd1477d6#f7f7d012) [INFO] [stderr] Compiling tokio v0.2.4 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling prost-derive v0.5.0 [INFO] [stderr] Compiling futures-util v0.3.1 [INFO] [stderr] Compiling prost v0.5.0 [INFO] [stderr] Compiling futures-executor v0.3.1 [INFO] [stderr] Compiling futures v0.3.1 [INFO] [stderr] Compiling playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `AsyncRead`, `AsyncWrite` [INFO] [stdout] --> src/kf_log/log.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | use io::{AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Path` [INFO] [stdout] --> src/kf_log/writer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | Path, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude::*` [INFO] [stdout] --> src/tk_echo.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::net::TcpListener` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use tokio::net::TcpListener; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude::*` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::StreamExt` [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use futures::stream::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `dir` [INFO] [stdout] --> src/kf_log/log.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | dir: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `meta` [INFO] [stdout] --> src/kf_log/log.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | meta: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `opts_paths` [INFO] [stdout] --> src/kf_log/log.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | opts_paths: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `obj_paths` [INFO] [stdout] --> src/kf_log/log.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | obj_paths: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `log_paths` [INFO] [stdout] --> src/kf_log/log.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | log_paths: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `LoggedReader` [INFO] [stdout] --> src/kf_log/reader.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct LoggedReader { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `LoggedWriter` [INFO] [stdout] --> src/kf_log/writer.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct LoggedWriter where L: AsRef { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 20s [INFO] running `Command { std: "docker" "inspect" "7f45cbc8627da528765e5013da42d8c50a566aa7c597f6ee8431d9db179326c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f45cbc8627da528765e5013da42d8c50a566aa7c597f6ee8431d9db179326c3", kill_on_drop: false }` [INFO] [stdout] 7f45cbc8627da528765e5013da42d8c50a566aa7c597f6ee8431d9db179326c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3ec51e34aacab27221dc90d1da0317869452b9489defbec95e76db981765b69a [INFO] running `Command { std: "docker" "start" "-a" "3ec51e34aacab27221dc90d1da0317869452b9489defbec95e76db981765b69a", kill_on_drop: false }` [INFO] [stderr] Compiling playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `AsyncRead`, `AsyncWrite` [INFO] [stdout] --> src/kf_log/log.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | use io::{AsyncRead, AsyncWrite}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Path` [INFO] [stdout] --> src/kf_log/writer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | Path, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude::*` [INFO] [stdout] --> src/tk_echo.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::net::TcpListener` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | use tokio::net::TcpListener; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::prelude::*` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::StreamExt` [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use futures::stream::StreamExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `dir` [INFO] [stdout] --> src/kf_log/log.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | dir: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `meta` [INFO] [stdout] --> src/kf_log/log.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | meta: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `opts_paths` [INFO] [stdout] --> src/kf_log/log.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | opts_paths: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `obj_paths` [INFO] [stdout] --> src/kf_log/log.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | obj_paths: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `log_paths` [INFO] [stdout] --> src/kf_log/log.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | log_paths: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `LoggedReader` [INFO] [stdout] --> src/kf_log/reader.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct LoggedReader { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `LoggedWriter` [INFO] [stdout] --> src/kf_log/writer.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct LoggedWriter where L: AsRef { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "3ec51e34aacab27221dc90d1da0317869452b9489defbec95e76db981765b69a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ec51e34aacab27221dc90d1da0317869452b9489defbec95e76db981765b69a", kill_on_drop: false }` [INFO] [stdout] 3ec51e34aacab27221dc90d1da0317869452b9489defbec95e76db981765b69a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2e875e685069d5629230ab96ec01f0d27656bf9e88b08e9b4a4ba6e8c04bb8a3 [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" "2e875e685069d5629230ab96ec01f0d27656bf9e88b08e9b4a4ba6e8c04bb8a3", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `AsyncRead`, `AsyncWrite` [INFO] [stderr] --> src/kf_log/log.rs:5:10 [INFO] [stderr] | [INFO] [stderr] 5 | use io::{AsyncRead, AsyncWrite}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Path` [INFO] [stderr] --> src/kf_log/writer.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | Path, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::prelude::*` [INFO] [stderr] --> src/tk_echo.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use tokio::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::net::TcpListener` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use tokio::net::TcpListener; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio::prelude::*` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use tokio::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::stream::StreamExt` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use futures::stream::StreamExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `dir` [INFO] [stderr] --> src/kf_log/log.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | dir: PathBuf, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `meta` [INFO] [stderr] --> src/kf_log/log.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | meta: PathBuf, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `opts_paths` [INFO] [stderr] --> src/kf_log/log.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | opts_paths: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `obj_paths` [INFO] [stderr] --> src/kf_log/log.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | obj_paths: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `log_paths` [INFO] [stderr] --> src/kf_log/log.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | log_paths: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `LoggedReader` [INFO] [stderr] --> src/kf_log/reader.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct LoggedReader { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `LoggedWriter` [INFO] [stderr] --> src/kf_log/writer.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 10 | pub struct LoggedWriter where L: AsRef { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/playground-0d224b6216ad2cd6 [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2e875e685069d5629230ab96ec01f0d27656bf9e88b08e9b4a4ba6e8c04bb8a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e875e685069d5629230ab96ec01f0d27656bf9e88b08e9b4a4ba6e8c04bb8a3", kill_on_drop: false }` [INFO] [stdout] 2e875e685069d5629230ab96ec01f0d27656bf9e88b08e9b4a4ba6e8c04bb8a3