[INFO] cloning repository https://github.com/Sonahit/rust-mem [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sonahit/rust-mem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonahit%2Frust-mem", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonahit%2Frust-mem'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 246f1827c7555bf75169f202308a21baf3acf620 [INFO] testing Sonahit/rust-mem against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonahit%2Frust-mem" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Sonahit/rust-mem on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Sonahit/rust-mem [INFO] finished tweaking git repo https://github.com/Sonahit/rust-mem [INFO] tweaked toml for git repo https://github.com/Sonahit/rust-mem written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/Sonahit/rust-mem already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b7f1796a376fd5ae40adf6496648c2df09561973a6103ca7a6440f811e1e9e7 [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" "9b7f1796a376fd5ae40adf6496648c2df09561973a6103ca7a6440f811e1e9e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b7f1796a376fd5ae40adf6496648c2df09561973a6103ca7a6440f811e1e9e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b7f1796a376fd5ae40adf6496648c2df09561973a6103ca7a6440f811e1e9e7", kill_on_drop: false }` [INFO] [stdout] 9b7f1796a376fd5ae40adf6496648c2df09561973a6103ca7a6440f811e1e9e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d332eee9361b6e8163571f689acfbf842bc936b68ee034b99fe55dcdd78cc33a [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" "d332eee9361b6e8163571f689acfbf842bc936b68ee034b99fe55dcdd78cc33a", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling hook_protocol v0.1.0 (https://github.com/Sonahit/rust-hook#db05feeb) [INFO] [stderr] Compiling mem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `read_file_concurrent` [INFO] [stdout] --> src/read_file.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn read_file_concurrent(filename: &str) -> Result, std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `drain_reader` [INFO] [stdout] --> src/read_file.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn drain_reader(reader: &mut BufReader, sender: Sender) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.37s [INFO] running `Command { std: "docker" "inspect" "d332eee9361b6e8163571f689acfbf842bc936b68ee034b99fe55dcdd78cc33a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d332eee9361b6e8163571f689acfbf842bc936b68ee034b99fe55dcdd78cc33a", kill_on_drop: false }` [INFO] [stdout] d332eee9361b6e8163571f689acfbf842bc936b68ee034b99fe55dcdd78cc33a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 75de5660e4e3f3dd690b9632b8f23a14ed4febee6e45c908c142372a11abd880 [INFO] running `Command { std: "docker" "start" "-a" "75de5660e4e3f3dd690b9632b8f23a14ed4febee6e45c908c142372a11abd880", kill_on_drop: false }` [INFO] [stderr] Compiling mem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `read_file_concurrent` [INFO] [stdout] --> src/read_file.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn read_file_concurrent(filename: &str) -> Result, std::io::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `drain_reader` [INFO] [stdout] --> src/read_file.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn drain_reader(reader: &mut BufReader, sender: Sender) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `Command { std: "docker" "inspect" "75de5660e4e3f3dd690b9632b8f23a14ed4febee6e45c908c142372a11abd880", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75de5660e4e3f3dd690b9632b8f23a14ed4febee6e45c908c142372a11abd880", kill_on_drop: false }` [INFO] [stdout] 75de5660e4e3f3dd690b9632b8f23a14ed4febee6e45c908c142372a11abd880 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8d4d9fc87cd3281de216caba442aa64bfeb1c07c2b1f6a2daa973bdb427da59f [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" "8d4d9fc87cd3281de216caba442aa64bfeb1c07c2b1f6a2daa973bdb427da59f", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `read_file_concurrent` [INFO] [stderr] --> src/read_file.rs:8:8 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn read_file_concurrent(filename: &str) -> Result, std::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `drain_reader` [INFO] [stderr] --> src/read_file.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn drain_reader(reader: &mut BufReader, sender: Sender) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mem-14ffee46ec52dd90) [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" "8d4d9fc87cd3281de216caba442aa64bfeb1c07c2b1f6a2daa973bdb427da59f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d4d9fc87cd3281de216caba442aa64bfeb1c07c2b1f6a2daa973bdb427da59f", kill_on_drop: false }` [INFO] [stdout] 8d4d9fc87cd3281de216caba442aa64bfeb1c07c2b1f6a2daa973bdb427da59f