[INFO] fetching crate riffol 0.3.0... [INFO] checking riffol-0.3.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035 [INFO] extracting crate riffol 0.3.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate riffol 0.3.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arrayvec v0.4.12 [INFO] [stderr] Downloaded memoffset v0.2.1 [INFO] [stderr] Downloaded lock_api v0.1.5 [INFO] [stderr] Downloaded thread_local v0.3.4 [INFO] [stderr] Downloaded termion v1.5.5 [INFO] [stderr] Downloaded crossbeam-epoch v0.6.1 [INFO] [stderr] Downloaded scopeguard v0.3.3 [INFO] [stderr] Downloaded ucd-trie v0.1.3 [INFO] [stderr] Downloaded parking_lot_core v0.3.1 [INFO] [stderr] Downloaded parking_lot v0.6.4 [INFO] [stderr] Downloaded stderrlog v0.4.3 [INFO] [stderr] Downloaded crossbeam-utils v0.5.0 [INFO] [stderr] Downloaded maplit v1.0.2 [INFO] [stderr] Downloaded crossbeam-channel v0.2.6 [INFO] [stderr] Downloaded pest v2.1.3 [INFO] [stderr] Downloaded nix v0.11.1 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] [stderr] Downloaded pest_meta v2.1.3 [INFO] [stderr] Downloaded pest_generator v2.1.3 [INFO] [stderr] Downloaded pest_derive v2.1.0 [INFO] [stderr] Downloaded unreachable v1.0.0 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded syslog v4.0.1 [INFO] [stderr] Downloaded nereon v0.4.4 [INFO] [stderr] Downloaded nereon_derive v0.4.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] afdb124574277c60b94b22340425114662e036a564718a7bffa321de0074e13f [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" "afdb124574277c60b94b22340425114662e036a564718a7bffa321de0074e13f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afdb124574277c60b94b22340425114662e036a564718a7bffa321de0074e13f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afdb124574277c60b94b22340425114662e036a564718a7bffa321de0074e13f", kill_on_drop: false }` [INFO] [stdout] afdb124574277c60b94b22340425114662e036a564718a7bffa321de0074e13f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebb30787906bd6cdbca44b4e85d26e0b22fcc290577f425328b8e551d0d2e30f [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" "ebb30787906bd6cdbca44b4e85d26e0b22fcc290577f425328b8e551d0d2e30f", kill_on_drop: false }` [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] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling nix v0.11.1 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking signal-hook v0.1.16 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Checking syslog v4.0.1 [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 31.76s [INFO] running `Command { std: "docker" "inspect" "ebb30787906bd6cdbca44b4e85d26e0b22fcc290577f425328b8e551d0d2e30f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebb30787906bd6cdbca44b4e85d26e0b22fcc290577f425328b8e551d0d2e30f", kill_on_drop: false }` [INFO] [stdout] ebb30787906bd6cdbca44b4e85d26e0b22fcc290577f425328b8e551d0d2e30f