[INFO] cloning repository https://github.com/soebosi/turtle_parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soebosi/turtle_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoebosi%2Fturtle_parser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoebosi%2Fturtle_parser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a2b3cedccdd7f69bb0c32225403c638f0239f50f [INFO] checking soebosi/turtle_parser against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoebosi%2Fturtle_parser" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/soebosi/turtle_parser on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/soebosi/turtle_parser [INFO] finished tweaking git repo https://github.com/soebosi/turtle_parser [INFO] tweaked toml for git repo https://github.com/soebosi/turtle_parser written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/soebosi/turtle_parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pest v1.0.0-rc.1 [INFO] [stderr] Downloaded pest_derive v1.0.0-rc.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c2a50e5f5b8183660b66ce123bc9f9707304e89d7cdb322db26ebc4e3d3d39b [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" "6c2a50e5f5b8183660b66ce123bc9f9707304e89d7cdb322db26ebc4e3d3d39b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c2a50e5f5b8183660b66ce123bc9f9707304e89d7cdb322db26ebc4e3d3d39b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c2a50e5f5b8183660b66ce123bc9f9707304e89d7cdb322db26ebc4e3d3d39b", kill_on_drop: false }` [INFO] [stdout] 6c2a50e5f5b8183660b66ce123bc9f9707304e89d7cdb322db26ebc4e3d3d39b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c203902513999edf8e92d18fc4b6ccb40849272d9fd2d1c8f31f3482a6d3390 [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" "0c203902513999edf8e92d18fc4b6ccb40849272d9fd2d1c8f31f3482a6d3390", kill_on_drop: false }` [INFO] [stderr] Compiling pest v1.0.0-rc.1 [INFO] [stderr] Checking num-traits v0.1.41 [INFO] [stderr] Compiling syn v0.10.8 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking serde_json v1.0.9 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Compiling pest_derive v1.0.0-rc.1 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Checking turtle_parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | file.read_to_string(&mut contents); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | file.read_to_string(&mut contents); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.94s [INFO] running `Command { std: "docker" "inspect" "0c203902513999edf8e92d18fc4b6ccb40849272d9fd2d1c8f31f3482a6d3390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c203902513999edf8e92d18fc4b6ccb40849272d9fd2d1c8f31f3482a6d3390", kill_on_drop: false }` [INFO] [stdout] 0c203902513999edf8e92d18fc4b6ccb40849272d9fd2d1c8f31f3482a6d3390