[INFO] fetching crate ppcp 0.1.0... [INFO] checking ppcp-0.1.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate ppcp 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate ppcp 0.1.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ppcp 0.1.0 [INFO] finished tweaking crates.io crate ppcp 0.1.0 [INFO] tweaked toml for crates.io crate ppcp 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate ppcp 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.98 [INFO] [stderr] Downloaded serde v1.0.98 [INFO] [stderr] Downloaded backtrace v0.3.15 [INFO] [stderr] Downloaded std_prelude v0.2.12 [INFO] [stderr] Downloaded path_abs v0.5.0 [INFO] [stderr] Downloaded redox_syscall v0.1.52 [INFO] [stderr] Downloaded pathdiff v0.1.0 [INFO] [stderr] Downloaded libc v0.2.51 [INFO] [stderr] Downloaded syn v0.15.30 [INFO] [stderr] Downloaded stfu8 v0.2.4 [INFO] [stderr] Downloaded cc v1.0.34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91e5f0709521a110127cf52b1d2436471f09e414179b243f2a7cfb2ff644c7ff [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" "91e5f0709521a110127cf52b1d2436471f09e414179b243f2a7cfb2ff644c7ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91e5f0709521a110127cf52b1d2436471f09e414179b243f2a7cfb2ff644c7ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91e5f0709521a110127cf52b1d2436471f09e414179b243f2a7cfb2ff644c7ff", kill_on_drop: false }` [INFO] [stdout] 91e5f0709521a110127cf52b1d2436471f09e414179b243f2a7cfb2ff644c7ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 30e0bf0a4fc2339b4a5165f8918f6a6c9085c4600c793e3757dbe873740221d6 [INFO] running `Command { std: "docker" "start" "-a" "30e0bf0a4fc2339b4a5165f8918f6a6c9085c4600c793e3757dbe873740221d6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling syn v0.15.30 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling cc v1.0.34 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling serde v1.0.98 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Checking std_prelude v0.2.12 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking pathdiff v0.1.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking terminal_size v0.1.13 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking console v0.11.3 [INFO] [stderr] Checking stfu8 v0.2.4 [INFO] [stderr] Checking indicatif v0.15.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.98 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking path_abs v0.5.0 [INFO] [stderr] Checking ppcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `path_abs::PathAbs` [INFO] [stdout] --> src/app.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use path_abs::PathAbs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:16:29 [INFO] [stdout] | [INFO] [stdout] 16 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `path_abs::PathAbs` [INFO] [stdout] --> src/app.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use path_abs::PathAbs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:16:29 [INFO] [stdout] | [INFO] [stdout] 16 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/copy.rs:212:12 [INFO] [stdout] | [INFO] [stdout] 212 | fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `current_start` [INFO] [stdout] --> src/app.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | current_start: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MockCopyWorker` [INFO] [stdout] --> src/copy.rs:209:8 [INFO] [stdout] | [INFO] [stdout] 209 | struct MockCopyWorker {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/copy.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 212 | fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dest` [INFO] [stdout] --> src/copy.rs:212:12 [INFO] [stdout] | [INFO] [stdout] 212 | fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_dest` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `current_start` [INFO] [stdout] --> src/app.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | current_start: Instant, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MockCopyWorker` [INFO] [stdout] --> src/copy.rs:209:8 [INFO] [stdout] | [INFO] [stdout] 209 | struct MockCopyWorker {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/copy.rs:212:8 [INFO] [stdout] | [INFO] [stdout] 212 | fn run(dest: PathBuf, tx: Sender<(PathBuf, u32, u64, u64)>, rx: Receiver<(PathBuf, PathBuf, u64)>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.53s [INFO] running `Command { std: "docker" "inspect" "30e0bf0a4fc2339b4a5165f8918f6a6c9085c4600c793e3757dbe873740221d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30e0bf0a4fc2339b4a5165f8918f6a6c9085c4600c793e3757dbe873740221d6", kill_on_drop: false }` [INFO] [stdout] 30e0bf0a4fc2339b4a5165f8918f6a6c9085c4600c793e3757dbe873740221d6