[INFO] cloning repository https://github.com/jaredcbaum/rust-picture-audit [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaredcbaum/rust-picture-audit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredcbaum%2Frust-picture-audit", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredcbaum%2Frust-picture-audit'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5a45d2c9066406cbb4e48236728451ad86d77a73 [INFO] checking jaredcbaum/rust-picture-audit against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredcbaum%2Frust-picture-audit" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jaredcbaum/rust-picture-audit on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jaredcbaum/rust-picture-audit [INFO] finished tweaking git repo https://github.com/jaredcbaum/rust-picture-audit [INFO] tweaked toml for git repo https://github.com/jaredcbaum/rust-picture-audit written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/jaredcbaum/rust-picture-audit already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4b1fce58802373ebb7c6ac41cf85cdae3c369cb58c3e4b780927360c028768bc [INFO] running `Command { std: "docker" "start" "-a" "4b1fce58802373ebb7c6ac41cf85cdae3c369cb58c3e4b780927360c028768bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b1fce58802373ebb7c6ac41cf85cdae3c369cb58c3e4b780927360c028768bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b1fce58802373ebb7c6ac41cf85cdae3c369cb58c3e4b780927360c028768bc", kill_on_drop: false }` [INFO] [stdout] 4b1fce58802373ebb7c6ac41cf85cdae3c369cb58c3e4b780927360c028768bc [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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a741ef2f04af30d57ab9e1367b51b5414f4c03ecd69878b72ee2062b325c63a5 [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" "a741ef2f04af30d57ab9e1367b51b5414f4c03ecd69878b72ee2062b325c63a5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking picture-audit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | for n in 1..=iterations { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut count = 1; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | for (i, file) in files.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | for n in 1..=iterations { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/main.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut count = 1; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:40:10 [INFO] [stdout] | [INFO] [stdout] 40 | for (i, file) in files.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | fs::remove_file(file.path()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | fs::rename(file.path(), file.path().with_file_name(&format!("{}", rng.gen::())[2..]).as_path()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | fs::rename(file.path(), file.path().with_file_name(&format!("image {}", count)).as_path()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:23:17 [INFO] [stdout] | [INFO] [stdout] 23 | fs::remove_file(file.path()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:26:17 [INFO] [stdout] | [INFO] [stdout] 26 | fs::rename(file.path(), file.path().with_file_name(&format!("{}", rng.gen::())[2..]).as_path()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | fs::rename(file.path(), file.path().with_file_name(&format!("image {}", count)).as_path()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.61s [INFO] running `Command { std: "docker" "inspect" "a741ef2f04af30d57ab9e1367b51b5414f4c03ecd69878b72ee2062b325c63a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a741ef2f04af30d57ab9e1367b51b5414f4c03ecd69878b72ee2062b325c63a5", kill_on_drop: false }` [INFO] [stdout] a741ef2f04af30d57ab9e1367b51b5414f4c03ecd69878b72ee2062b325c63a5