[INFO] fetching crate prometheus_folder_size_exporter 0.1.0... [INFO] checking prometheus_folder_size_exporter-0.1.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] extracting crate prometheus_folder_size_exporter 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate prometheus_folder_size_exporter 0.1.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate prometheus_folder_size_exporter 0.1.0 [INFO] finished tweaking crates.io crate prometheus_folder_size_exporter 0.1.0 [INFO] tweaked toml for crates.io crate prometheus_folder_size_exporter 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 383c5f62e7eaaf2fed74887d8809cdd3d3f6fa6f4a59248b1773dd20b21a74a3 [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" "383c5f62e7eaaf2fed74887d8809cdd3d3f6fa6f4a59248b1773dd20b21a74a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "383c5f62e7eaaf2fed74887d8809cdd3d3f6fa6f4a59248b1773dd20b21a74a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "383c5f62e7eaaf2fed74887d8809cdd3d3f6fa6f4a59248b1773dd20b21a74a3", kill_on_drop: false }` [INFO] [stdout] 383c5f62e7eaaf2fed74887d8809cdd3d3f6fa6f4a59248b1773dd20b21a74a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 46c51dec0195c20ed82dc6db855f226e6dfa0a68b31a4d74fc90af5ee61c3710 [INFO] running `Command { std: "docker" "start" "-a" "46c51dec0195c20ed82dc6db855f226e6dfa0a68b31a4d74fc90af5ee61c3710", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking prometheus_folder_size_exporter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/main.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | use log::{debug, error, info, trace, warn}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `render_to_prometheus::RenderToPrometheus` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use render_to_prometheus::RenderToPrometheus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `info`, `warn` [INFO] [stdout] --> src/folder_scanner.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use log::{debug, error, info, trace, warn}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `folder_scanner::FolderToScan` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use folder_scanner::FolderToScan; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/main.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | use log::{debug, error, info, trace, warn}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `render_to_prometheus::RenderToPrometheus` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use render_to_prometheus::RenderToPrometheus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `info`, `warn` [INFO] [stdout] --> src/folder_scanner.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use log::{debug, error, info, trace, warn}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `folder_scanner::FolderToScan` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use folder_scanner::FolderToScan; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `GenericError` [INFO] [stdout] --> src/exporter_error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | GenericError {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnsupportedPathError` [INFO] [stdout] --> src/exporter_error.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | UnsupportedPathError { path: String }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnsupportedMethodError` [INFO] [stdout] --> src/exporter_error.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | UnsupportedMethodError { verb: String }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `folders` [INFO] [stdout] --> src/folder_scanner.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn folders(&self) -> &[FolderToScan] { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `GenericError` [INFO] [stdout] --> src/exporter_error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | GenericError {}, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnsupportedPathError` [INFO] [stdout] --> src/exporter_error.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | UnsupportedPathError { path: String }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `UnsupportedMethodError` [INFO] [stdout] --> src/exporter_error.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | UnsupportedMethodError { verb: String }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.87s [INFO] running `Command { std: "docker" "inspect" "46c51dec0195c20ed82dc6db855f226e6dfa0a68b31a4d74fc90af5ee61c3710", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46c51dec0195c20ed82dc6db855f226e6dfa0a68b31a4d74fc90af5ee61c3710", kill_on_drop: false }` [INFO] [stdout] 46c51dec0195c20ed82dc6db855f226e6dfa0a68b31a4d74fc90af5ee61c3710