[INFO] fetching crate riffol 0.3.0... [INFO] checking riffol-0.3.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] extracting crate riffol 0.3.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate riffol 0.3.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate riffol 0.3.0 [INFO] finished tweaking crates.io crate riffol 0.3.0 [INFO] tweaked toml for crates.io crate riffol 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a1b4459f095dd363ec6b7feba0ac47e16e6a1dc9700811a748333ece8729c1e [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" "7a1b4459f095dd363ec6b7feba0ac47e16e6a1dc9700811a748333ece8729c1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a1b4459f095dd363ec6b7feba0ac47e16e6a1dc9700811a748333ece8729c1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a1b4459f095dd363ec6b7feba0ac47e16e6a1dc9700811a748333ece8729c1e", kill_on_drop: false }` [INFO] [stdout] 7a1b4459f095dd363ec6b7feba0ac47e16e6a1dc9700811a748333ece8729c1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--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] f3bfd7b539f7364a3011f901e173c859cc6b24b8012cbabe51f70bbc83555e15 [INFO] running `Command { std: "docker" "start" "-a" "f3bfd7b539f7364a3011f901e173c859cc6b24b8012cbabe51f70bbc83555e15", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling nix v0.11.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking backtrace v0.3.56 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking syslog v4.0.1 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling nereon_derive v0.4.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking nereon v0.4.4 [INFO] [stderr] Checking riffol v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/signal.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 25 | use libc; [INFO] [stdout] | ---- the item `libc` is already imported here [INFO] [stdout] ... [INFO] [stdout] 33 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/signal.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 25 | use libc; [INFO] [stdout] | ---- the item `libc` is already imported here [INFO] [stdout] ... [INFO] [stdout] 33 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/health.rs:149:38 [INFO] [stdout] | [INFO] [stdout] 149 | let mut stats: statvfs = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/health.rs:149:38 [INFO] [stdout] | [INFO] [stdout] 149 | let mut stats: statvfs = ::std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead [INFO] [stdout] --> src/application.rs:289:14 [INFO] [stdout] | [INFO] [stdout] 289 | .before_exec(move || { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::os::unix::process::CommandExt::before_exec`: should be unsafe, use `pre_exec` instead [INFO] [stdout] --> src/application.rs:289:14 [INFO] [stdout] | [INFO] [stdout] 289 | .before_exec(move || { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stream.rs:176:21 [INFO] [stdout] | [INFO] [stdout] 176 | let mut connection = connections.get_mut(handle).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stream.rs:195:21 [INFO] [stdout] | [INFO] [stdout] 195 | let mut connection = connections.remove(handle); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stream.rs:243:17 [INFO] [stdout] | [INFO] [stdout] 243 | let mut logger: syslog::Result< [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stream.rs:176:21 [INFO] [stdout] | [INFO] [stdout] 176 | let mut connection = connections.get_mut(handle).unwrap(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stream.rs:195:21 [INFO] [stdout] | [INFO] [stdout] 195 | let mut connection = connections.remove(handle); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stream.rs:243:17 [INFO] [stdout] | [INFO] [stdout] 243 | let mut logger: syslog::Result< [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.27s [INFO] running `Command { std: "docker" "inspect" "f3bfd7b539f7364a3011f901e173c859cc6b24b8012cbabe51f70bbc83555e15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3bfd7b539f7364a3011f901e173c859cc6b24b8012cbabe51f70bbc83555e15", kill_on_drop: false }` [INFO] [stdout] f3bfd7b539f7364a3011f901e173c859cc6b24b8012cbabe51f70bbc83555e15