[INFO] fetching crate mini-c-ares 0.2.2... [INFO] checking mini-c-ares-0.2.2 against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363 [INFO] extracting crate mini-c-ares 0.2.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate mini-c-ares 0.2.2 on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mini-c-ares 0.2.2 [INFO] finished tweaking crates.io crate mini-c-ares 0.2.2 [INFO] tweaked toml for crates.io crate mini-c-ares 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.11.0 (available: v0.14.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 061836d7507d5e98f4335373dc585843c2f1024c147a87d43ea3d773dd423300 [INFO] running `Command { std: "docker" "start" "-a" "061836d7507d5e98f4335373dc585843c2f1024c147a87d43ea3d773dd423300", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "061836d7507d5e98f4335373dc585843c2f1024c147a87d43ea3d773dd423300", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "061836d7507d5e98f4335373dc585843c2f1024c147a87d43ea3d773dd423300", kill_on_drop: false }` [INFO] [stdout] 061836d7507d5e98f4335373dc585843c2f1024c147a87d43ea3d773dd423300 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d337107888ade958632e5134dcf9a69b6914bf557221e5f2594312561d57f320 [INFO] running `Command { std: "docker" "start" "-a" "d337107888ade958632e5134dcf9a69b6914bf557221e5f2594312561d57f320", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Compiling pkg-config v0.3.32 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Compiling mini-c-ares-sys v0.2.3 [INFO] [stderr] Checking mini-c-ares v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig` [INFO] [stdout] --> src/utils.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | target_os = "bitrig" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, and `unknown` and 8 more [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig` [INFO] [stdout] --> src/utils.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | target_os = "bitrig" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, and `unknown` and 8 more [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig` [INFO] [stdout] --> src/utils.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 120 | target_os = "bitrig" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, and `unknown` and 8 more [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig` [INFO] [stdout] --> src/utils.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | target_os = "bitrig" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, and `unknown` and 8 more [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig` [INFO] [stdout] --> src/utils.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 80 | target_os = "bitrig" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, and `unknown` and 8 more [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig` [INFO] [stdout] --> src/utils.rs:100:5 [INFO] [stdout] | [INFO] [stdout] 100 | target_os = "bitrig" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, and `unknown` and 8 more [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig` [INFO] [stdout] --> src/utils.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 120 | target_os = "bitrig" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, and `unknown` and 8 more [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `bitrig` [INFO] [stdout] --> src/utils.rs:143:9 [INFO] [stdout] | [INFO] [stdout] 143 | target_os = "bitrig" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `macos`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `redox`, `rtems`, `solaris`, `solid_asp3`, `teeos`, `trusty`, `tvos`, `uefi`, and `unknown` and 8 more [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/channel.rs:224:25 [INFO] [stdout] | [INFO] [stdout] 224 | for c_lookup in &options.lookups { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 224 - for c_lookup in &options.lookups { [INFO] [stdout] 224 + while let Some(c_lookup) = &options.lookups { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 224 - for c_lookup in &options.lookups { [INFO] [stdout] 224 + if let Some(c_lookup) = &options.lookups { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/channel.rs:229:34 [INFO] [stdout] | [INFO] [stdout] 229 | for c_resolvconf_path in &options.resolvconf_path { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 229 - for c_resolvconf_path in &options.resolvconf_path { [INFO] [stdout] 229 + while let Some(c_resolvconf_path) = &options.resolvconf_path { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 229 - for c_resolvconf_path in &options.resolvconf_path { [INFO] [stdout] 229 + if let Some(c_resolvconf_path) = &options.resolvconf_path { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/channel.rs:234:29 [INFO] [stdout] | [INFO] [stdout] 234 | for c_hosts_path in &options.hosts_path { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 234 - for c_hosts_path in &options.hosts_path { [INFO] [stdout] 234 + while let Some(c_hosts_path) = &options.hosts_path { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 234 - for c_hosts_path in &options.hosts_path { [INFO] [stdout] 234 + if let Some(c_hosts_path) = &options.hosts_path { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/channel.rs:224:25 [INFO] [stdout] | [INFO] [stdout] 224 | for c_lookup in &options.lookups { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 224 - for c_lookup in &options.lookups { [INFO] [stdout] 224 + while let Some(c_lookup) = &options.lookups { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 224 - for c_lookup in &options.lookups { [INFO] [stdout] 224 + if let Some(c_lookup) = &options.lookups { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/channel.rs:229:34 [INFO] [stdout] | [INFO] [stdout] 229 | for c_resolvconf_path in &options.resolvconf_path { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 229 - for c_resolvconf_path in &options.resolvconf_path { [INFO] [stdout] 229 + while let Some(c_resolvconf_path) = &options.resolvconf_path { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 229 - for c_resolvconf_path in &options.resolvconf_path { [INFO] [stdout] 229 + if let Some(c_resolvconf_path) = &options.resolvconf_path { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/channel.rs:234:29 [INFO] [stdout] | [INFO] [stdout] 234 | for c_hosts_path in &options.hosts_path { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 234 - for c_hosts_path in &options.hosts_path { [INFO] [stdout] 234 + while let Some(c_hosts_path) = &options.hosts_path { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 234 - for c_hosts_path in &options.hosts_path { [INFO] [stdout] 234 + if let Some(c_hosts_path) = &options.hosts_path { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `Command { std: "docker" "inspect" "d337107888ade958632e5134dcf9a69b6914bf557221e5f2594312561d57f320", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d337107888ade958632e5134dcf9a69b6914bf557221e5f2594312561d57f320", kill_on_drop: false }` [INFO] [stdout] d337107888ade958632e5134dcf9a69b6914bf557221e5f2594312561d57f320