[INFO] crate tappy 0.1.0 is already in cache [INFO] checking tappy-0.1.0 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166 [INFO] extracting crate tappy 0.1.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate tappy 0.1.0 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate tappy 0.1.0 [INFO] finished tweaking crates.io crate tappy 0.1.0 [INFO] tweaked toml for crates.io crate tappy 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0f673d744c979900eccffd0f93b7117c15d8189f383986aaa1ac40ae3525c226 [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" "0f673d744c979900eccffd0f93b7117c15d8189f383986aaa1ac40ae3525c226", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f673d744c979900eccffd0f93b7117c15d8189f383986aaa1ac40ae3525c226", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f673d744c979900eccffd0f93b7117c15d8189f383986aaa1ac40ae3525c226", kill_on_drop: false }` [INFO] [stdout] 0f673d744c979900eccffd0f93b7117c15d8189f383986aaa1ac40ae3525c226 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dabab7ceaa0e20f189709068ecfd32c6fad17c4ec6df009b984a6bd1c5ddae22 [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" "dabab7ceaa0e20f189709068ecfd32c6fad17c4ec6df009b984a6bd1c5ddae22", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking reexport-proc-macro v1.0.6 [INFO] [stderr] Checking xi-unicode v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking num-integer v0.1.43 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking termion v1.5.5 [INFO] [stderr] Checking signal-hook v0.1.16 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking crossbeam-channel v0.2.6 [INFO] [stderr] Compiling enum-map-derive v0.4.3 [INFO] [stderr] Checking enum-map v0.4.1 [INFO] [stderr] Compiling enumset_derive v0.3.2 [INFO] [stderr] Checking enumset v0.3.19 [INFO] [stderr] Checking cursive v0.9.2 [INFO] [stderr] Checking tappy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | mem::replace(self, Default::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | mem::replace(self, Default::default()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.78s [INFO] running `Command { std: "docker" "inspect" "dabab7ceaa0e20f189709068ecfd32c6fad17c4ec6df009b984a6bd1c5ddae22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dabab7ceaa0e20f189709068ecfd32c6fad17c4ec6df009b984a6bd1c5ddae22", kill_on_drop: false }` [INFO] [stdout] dabab7ceaa0e20f189709068ecfd32c6fad17c4ec6df009b984a6bd1c5ddae22