[INFO] fetching crate stego 0.1.4... [INFO] checking stego-0.1.4 against beta for pr-78714 [INFO] extracting crate stego 0.1.4 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate stego 0.1.4 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate stego 0.1.4 [INFO] finished tweaking crates.io crate stego 0.1.4 [INFO] tweaked toml for crates.io crate stego 0.1.4 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5945cbe80dc889ec74b123c9f403a3e41e5b3a4d7b8a666dc0ae3dc3c3e37e15 [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" "5945cbe80dc889ec74b123c9f403a3e41e5b3a4d7b8a666dc0ae3dc3c3e37e15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5945cbe80dc889ec74b123c9f403a3e41e5b3a4d7b8a666dc0ae3dc3c3e37e15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5945cbe80dc889ec74b123c9f403a3e41e5b3a4d7b8a666dc0ae3dc3c3e37e15", kill_on_drop: false }` [INFO] [stdout] 5945cbe80dc889ec74b123c9f403a3e41e5b3a4d7b8a666dc0ae3dc3c3e37e15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da71dd3a92c84e2c5502fd61ace1f30ee1e0515648f90f8c6db586665013fad3 [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" "da71dd3a92c84e2c5502fd61ace1f30ee1e0515648f90f8c6db586665013fad3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Checking image v0.21.3 [INFO] [stderr] Checking stego v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut im2; [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/main.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut im2; [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.03s [INFO] running `Command { std: "docker" "inspect" "da71dd3a92c84e2c5502fd61ace1f30ee1e0515648f90f8c6db586665013fad3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da71dd3a92c84e2c5502fd61ace1f30ee1e0515648f90f8c6db586665013fad3", kill_on_drop: false }` [INFO] [stdout] da71dd3a92c84e2c5502fd61ace1f30ee1e0515648f90f8c6db586665013fad3