[INFO] cloning repository https://github.com/athulyababuvk/demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/athulyababuvk/demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathulyababuvk%2Fdemo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathulyababuvk%2Fdemo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c6d5344531cbbc0cef890458a820c0dee4b49e8 [INFO] checking athulyababuvk/demo against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathulyababuvk%2Fdemo" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/athulyababuvk/demo on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/athulyababuvk/demo [INFO] finished tweaking git repo https://github.com/athulyababuvk/demo [INFO] tweaked toml for git repo https://github.com/athulyababuvk/demo written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/athulyababuvk/demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85cc2bf5b21dd3a45d3581e1dcc518527daead89b2c118fe99ab632ce964c6e6 [INFO] running `Command { std: "docker" "start" "-a" "85cc2bf5b21dd3a45d3581e1dcc518527daead89b2c118fe99ab632ce964c6e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85cc2bf5b21dd3a45d3581e1dcc518527daead89b2c118fe99ab632ce964c6e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85cc2bf5b21dd3a45d3581e1dcc518527daead89b2c118fe99ab632ce964c6e6", kill_on_drop: false }` [INFO] [stdout] 85cc2bf5b21dd3a45d3581e1dcc518527daead89b2c118fe99ab632ce964c6e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83e757fc9f7db66a76f403f61903c0b947ac20e32b2b9a05435da8f06fdc1266 [INFO] running `Command { std: "docker" "start" "-a" "83e757fc9f7db66a76f403f61903c0b947ac20e32b2b9a05435da8f06fdc1266", kill_on_drop: false }` [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking one v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/agecalc.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | o.write_all(b"\n"); [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 `Result` that must be used [INFO] [stdout] --> src/agecalc.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | o.write_all(b"\n"); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.86s [INFO] running `Command { std: "docker" "inspect" "83e757fc9f7db66a76f403f61903c0b947ac20e32b2b9a05435da8f06fdc1266", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83e757fc9f7db66a76f403f61903c0b947ac20e32b2b9a05435da8f06fdc1266", kill_on_drop: false }` [INFO] [stdout] 83e757fc9f7db66a76f403f61903c0b947ac20e32b2b9a05435da8f06fdc1266