[INFO] fetching crate nexrs 0.1.0... [INFO] testing nexrs-0.1.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate nexrs 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate nexrs 0.1.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate nexrs 0.1.0 [INFO] finished tweaking crates.io crate nexrs 0.1.0 [INFO] tweaked toml for crates.io crate nexrs 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c537cc02aea4c945a725eb75b45b13d3d1f9dcf08b7ab8dedccf4de58fd5f46e [INFO] running `"docker" "start" "-a" "c537cc02aea4c945a725eb75b45b13d3d1f9dcf08b7ab8dedccf4de58fd5f46e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling nexrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/discovery.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Result as IoResult` [INFO] [stderr] --> src/discovery.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::Result as IoResult; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `discovery::*` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use discovery::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SocketAddr` [INFO] [stderr] --> src/main.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::net::{SocketAddr}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buf` [INFO] [stderr] --> src/discovery.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let mut buf: [u8; 32] = [0; 32]; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/discovery.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut cmd_if = Command::new("ifconfig") [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/discovery.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut addr = addr_iter [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/discovery.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let mut buf: [u8; 32] = [0; 32]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/discovery.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | stream.set_write_timeout(Some(Duration::new(3, 0))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/discovery.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | stream.set_read_timeout(Some(Duration::new(3, 0))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `"docker" "inspect" "c537cc02aea4c945a725eb75b45b13d3d1f9dcf08b7ab8dedccf4de58fd5f46e"` [INFO] running `"docker" "rm" "-f" "c537cc02aea4c945a725eb75b45b13d3d1f9dcf08b7ab8dedccf4de58fd5f46e"` [INFO] [stdout] c537cc02aea4c945a725eb75b45b13d3d1f9dcf08b7ab8dedccf4de58fd5f46e [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ef611661819b3f21d1e6ce75fd2651bd4d84e45cc8301f2954392efdfc059096 [INFO] running `"docker" "start" "-a" "ef611661819b3f21d1e6ce75fd2651bd4d84e45cc8301f2954392efdfc059096"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling nexrs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/discovery.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Result as IoResult` [INFO] [stderr] --> src/discovery.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::Result as IoResult; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `discovery::*` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use discovery::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SocketAddr` [INFO] [stderr] --> src/main.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::net::{SocketAddr}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buf` [INFO] [stderr] --> src/discovery.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let mut buf: [u8; 32] = [0; 32]; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/discovery.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut cmd_if = Command::new("ifconfig") [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/discovery.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut addr = addr_iter [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/discovery.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let mut buf: [u8; 32] = [0; 32]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/discovery.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | stream.set_write_timeout(Some(Duration::new(3, 0))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/discovery.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | stream.set_read_timeout(Some(Duration::new(3, 0))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `"docker" "inspect" "ef611661819b3f21d1e6ce75fd2651bd4d84e45cc8301f2954392efdfc059096"` [INFO] running `"docker" "rm" "-f" "ef611661819b3f21d1e6ce75fd2651bd4d84e45cc8301f2954392efdfc059096"` [INFO] [stdout] ef611661819b3f21d1e6ce75fd2651bd4d84e45cc8301f2954392efdfc059096 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 82fdee3f118e3eb6f37cff0919dd7615ee6b28384287ae8e2169a65dffb62fb2 [INFO] running `"docker" "start" "-a" "82fdee3f118e3eb6f37cff0919dd7615ee6b28384287ae8e2169a65dffb62fb2"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/discovery.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Result as IoResult` [INFO] [stderr] --> src/discovery.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::Result as IoResult; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `discovery::*` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use discovery::*; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SocketAddr` [INFO] [stderr] --> src/main.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::net::{SocketAddr}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buf` [INFO] [stderr] --> src/discovery.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let mut buf: [u8; 32] = [0; 32]; [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/discovery.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut cmd_if = Command::new("ifconfig") [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/discovery.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut addr = addr_iter [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/discovery.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | let mut buf: [u8; 32] = [0; 32]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/discovery.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | stream.set_write_timeout(Some(Duration::new(3, 0))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/discovery.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | stream.set_read_timeout(Some(Duration::new(3, 0))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/nexrs-6f0d95d836bb6a12 [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 `"docker" "inspect" "82fdee3f118e3eb6f37cff0919dd7615ee6b28384287ae8e2169a65dffb62fb2"` [INFO] running `"docker" "rm" "-f" "82fdee3f118e3eb6f37cff0919dd7615ee6b28384287ae8e2169a65dffb62fb2"` [INFO] [stdout] 82fdee3f118e3eb6f37cff0919dd7615ee6b28384287ae8e2169a65dffb62fb2