[INFO] cloning repository https://github.com/Syke8/file_crawler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Syke8/file_crawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyke8%2Ffile_crawler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyke8%2Ffile_crawler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11b7bb895bffdf4b48a2e64615448b21ba6d4a60 [INFO] checking Syke8/file_crawler against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyke8%2Ffile_crawler" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Syke8/file_crawler on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Syke8/file_crawler [INFO] finished tweaking git repo https://github.com/Syke8/file_crawler [INFO] tweaked toml for git repo https://github.com/Syke8/file_crawler written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/Syke8/file_crawler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fa8caaa992e75900ee09539aaf09e9ec5e8ac40ff5b9bc561c337938f216d3e [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" "8fa8caaa992e75900ee09539aaf09e9ec5e8ac40ff5b9bc561c337938f216d3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fa8caaa992e75900ee09539aaf09e9ec5e8ac40ff5b9bc561c337938f216d3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fa8caaa992e75900ee09539aaf09e9ec5e8ac40ff5b9bc561c337938f216d3e", kill_on_drop: false }` [INFO] [stdout] 8fa8caaa992e75900ee09539aaf09e9ec5e8ac40ff5b9bc561c337938f216d3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59c535a57c31345173bfa1a822df8bc8fbb50b03fb2d08df1da4ab53317ea892 [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" "59c535a57c31345173bfa1a822df8bc8fbb50b03fb2d08df1da4ab53317ea892", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.106 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-lock v2.4.0 [INFO] [stderr] Checking futures-channel v0.3.17 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.8 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling ctor v0.1.21 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking polling v2.1.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking async-io v1.6.0 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking async-std v1.10.0 [INFO] [stderr] Checking futures-executor v0.3.17 [INFO] [stderr] Checking futures v0.3.17 [INFO] [stderr] Checking serde_json v1.0.68 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking file_crawler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `map::Entry` [INFO] [stdout] --> src/main.rs:19:18 [INFO] [stdout] | [INFO] [stdout] 19 | use serde_json::{map::Entry, Value}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 79 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 80 | [INFO] [stdout] 81 | let folders: HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `map::Entry` [INFO] [stdout] --> src/main.rs:19:18 [INFO] [stdout] | [INFO] [stdout] 19 | use serde_json::{map::Entry, Value}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:81:5 [INFO] [stdout] | [INFO] [stdout] 79 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 80 | [INFO] [stdout] 81 | let folders: HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Removed` [INFO] [stdout] --> src/main.rs:225:5 [INFO] [stdout] | [INFO] [stdout] 225 | Removed, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SizeChange` [INFO] [stdout] --> src/main.rs:226:5 [INFO] [stdout] | [INFO] [stdout] 226 | SizeChange, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Removed` [INFO] [stdout] --> src/main.rs:225:5 [INFO] [stdout] | [INFO] [stdout] 225 | Removed, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SizeChange` [INFO] [stdout] --> src/main.rs:226:5 [INFO] [stdout] | [INFO] [stdout] 226 | SizeChange, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 10s [INFO] running `Command { std: "docker" "inspect" "59c535a57c31345173bfa1a822df8bc8fbb50b03fb2d08df1da4ab53317ea892", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59c535a57c31345173bfa1a822df8bc8fbb50b03fb2d08df1da4ab53317ea892", kill_on_drop: false }` [INFO] [stdout] 59c535a57c31345173bfa1a822df8bc8fbb50b03fb2d08df1da4ab53317ea892