[INFO] fetching crate preftool 0.2.0... [INFO] testing preftool-0.2.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate preftool 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate preftool 0.2.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate preftool 0.2.0 [INFO] finished tweaking crates.io crate preftool 0.2.0 [INFO] tweaked toml for crates.io crate preftool 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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=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" "+beta-2020-06-03" "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] 55ff9cc8eb4447991575d5b9d39af07907d30a30c2da8a873ecc161859a05b7f [INFO] running `"docker" "start" "-a" "55ff9cc8eb4447991575d5b9d39af07907d30a30c2da8a873ecc161859a05b7f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling gimli v0.21.0 [INFO] [stderr] Compiling smallvec v1.4.0 [INFO] [stderr] Compiling arc-swap v0.4.6 [INFO] [stderr] Compiling object v0.19.0 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling caseless v0.2.1 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling slog-scope v4.3.0 [INFO] [stderr] Compiling slog-stdlog v3.0.5 [INFO] [stderr] Compiling addr2line v0.12.1 [INFO] [stderr] Compiling backtrace v0.3.48 [INFO] [stderr] Compiling preftool v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/bind.rs:144:5 [INFO] [stderr] | [INFO] [stderr] 144 | std::mem::replace(value, proxy.into()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.47s [INFO] running `"docker" "inspect" "55ff9cc8eb4447991575d5b9d39af07907d30a30c2da8a873ecc161859a05b7f"` [INFO] running `"docker" "rm" "-f" "55ff9cc8eb4447991575d5b9d39af07907d30a30c2da8a873ecc161859a05b7f"` [INFO] [stdout] 55ff9cc8eb4447991575d5b9d39af07907d30a30c2da8a873ecc161859a05b7f [INFO] running `"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=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" "+beta-2020-06-03" "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] 8242393bf18b4877434b60bcb0a4f0e080a147c609dc1a46963fde8cc7c0dc73 [INFO] running `"docker" "start" "-a" "8242393bf18b4877434b60bcb0a4f0e080a147c609dc1a46963fde8cc7c0dc73"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling cargo-husky v1.5.0 [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/bind.rs:144:5 [INFO] [stderr] | [INFO] [stderr] 144 | std::mem::replace(value, proxy.into()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Compiling preftool v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/bind.rs:144:5 [INFO] [stderr] | [INFO] [stderr] 144 | std::mem::replace(value, proxy.into()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `"docker" "inspect" "8242393bf18b4877434b60bcb0a4f0e080a147c609dc1a46963fde8cc7c0dc73"` [INFO] running `"docker" "rm" "-f" "8242393bf18b4877434b60bcb0a4f0e080a147c609dc1a46963fde8cc7c0dc73"` [INFO] [stdout] 8242393bf18b4877434b60bcb0a4f0e080a147c609dc1a46963fde8cc7c0dc73 [INFO] running `"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=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" "+beta-2020-06-03" "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] 94e9b915c3c4f6ef6a7c6a236e361cf84960f38166557a99dbff9f93dd73665d [INFO] running `"docker" "start" "-a" "94e9b915c3c4f6ef6a7c6a236e361cf84960f38166557a99dbff9f93dd73665d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/bind.rs:144:5 [INFO] [stderr] | [INFO] [stderr] 144 | std::mem::replace(value, proxy.into()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/bind.rs:144:5 [INFO] [stderr] | [INFO] [stderr] 144 | std::mem::replace(value, proxy.into()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/preftool-7e01fe2235318b5a [INFO] [stderr] Doc-tests preftool [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] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/strings.rs - strings::ConfigKey::combine (line 97) ... ok [INFO] [stdout] test src/strings.rs - strings::ConfigKey::unsafe_from (line 166) ... ok [INFO] [stdout] test src/strings.rs - strings::ConfigKey::join (line 125) ... ok [INFO] [stdout] test src/strings.rs - strings::ConfigKey::section_key (line 44) ... ok [INFO] [stdout] test src/strings.rs - strings::ConfigKey::parent (line 70) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "94e9b915c3c4f6ef6a7c6a236e361cf84960f38166557a99dbff9f93dd73665d"` [INFO] running `"docker" "rm" "-f" "94e9b915c3c4f6ef6a7c6a236e361cf84960f38166557a99dbff9f93dd73665d"` [INFO] [stdout] 94e9b915c3c4f6ef6a7c6a236e361cf84960f38166557a99dbff9f93dd73665d