[INFO] fetching crate resize-slice 0.1.3... [INFO] checking resize-slice-0.1.3 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782 [INFO] extracting crate resize-slice 0.1.3 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate resize-slice 0.1.3 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate resize-slice 0.1.3 [INFO] finished tweaking crates.io crate resize-slice 0.1.3 [INFO] tweaked toml for crates.io crate resize-slice 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v0.1.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2efade5759c1b5a0aae41fe6f76e95d3e15e0b057e64a961717c6c45d7ba173a [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" "2efade5759c1b5a0aae41fe6f76e95d3e15e0b057e64a961717c6c45d7ba173a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2efade5759c1b5a0aae41fe6f76e95d3e15e0b057e64a961717c6c45d7ba173a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2efade5759c1b5a0aae41fe6f76e95d3e15e0b057e64a961717c6c45d7ba173a", kill_on_drop: false }` [INFO] [stdout] 2efade5759c1b5a0aae41fe6f76e95d3e15e0b057e64a961717c6c45d7ba173a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1512644b2a5f87beadcb07221e69307dafb7b2d3d05e8cd58d988d4705de3ab6 [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" "1512644b2a5f87beadcb07221e69307dafb7b2d3d05e8cd58d988d4705de3ab6", kill_on_drop: false }` [INFO] [stderr] Compiling uninitialized v0.0.2 [INFO] [stderr] Checking resize-slice v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | replace(self, value); [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/lib.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | replace(self, value); [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 0.89s [INFO] running `Command { std: "docker" "inspect" "1512644b2a5f87beadcb07221e69307dafb7b2d3d05e8cd58d988d4705de3ab6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1512644b2a5f87beadcb07221e69307dafb7b2d3d05e8cd58d988d4705de3ab6", kill_on_drop: false }` [INFO] [stdout] 1512644b2a5f87beadcb07221e69307dafb7b2d3d05e8cd58d988d4705de3ab6