[INFO] fetching crate avec 0.1.0... [INFO] checking avec-0.1.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] extracting crate avec 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate avec 0.1.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate avec 0.1.0 [INFO] finished tweaking crates.io crate avec 0.1.0 [INFO] tweaked toml for crates.io crate avec 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac89a5b89810cc1bc313f27b78dadf43f6af86c98be7a42669f13415af7cbdcf [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" "ac89a5b89810cc1bc313f27b78dadf43f6af86c98be7a42669f13415af7cbdcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac89a5b89810cc1bc313f27b78dadf43f6af86c98be7a42669f13415af7cbdcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac89a5b89810cc1bc313f27b78dadf43f6af86c98be7a42669f13415af7cbdcf", kill_on_drop: false }` [INFO] [stdout] ac89a5b89810cc1bc313f27b78dadf43f6af86c98be7a42669f13415af7cbdcf [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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a1be1f9a2bee34c1d0a0d595c0354a5e07f2b15a9dd9a07b7b92988b4ed550e [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" "0a1be1f9a2bee34c1d0a0d595c0354a5e07f2b15a9dd9a07b7b92988b4ed550e", kill_on_drop: false }` [INFO] [stderr] Checking avec v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/avec.rs:209:17 [INFO] [stdout] | [INFO] [stdout] 209 | let mut data = &mut *self.data.get(); [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/avec.rs:244:17 [INFO] [stdout] | [INFO] [stdout] 244 | let mut data = &mut *self.data.get(); [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/avec.rs:209:17 [INFO] [stdout] | [INFO] [stdout] 209 | let mut data = &mut *self.data.get(); [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/avec.rs:244:17 [INFO] [stdout] | [INFO] [stdout] 244 | let mut data = &mut *self.data.get(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "0a1be1f9a2bee34c1d0a0d595c0354a5e07f2b15a9dd9a07b7b92988b4ed550e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a1be1f9a2bee34c1d0a0d595c0354a5e07f2b15a9dd9a07b7b92988b4ed550e", kill_on_drop: false }` [INFO] [stdout] 0a1be1f9a2bee34c1d0a0d595c0354a5e07f2b15a9dd9a07b7b92988b4ed550e