[INFO] fetching crate happiness_cli 0.1.31... [INFO] testing happiness_cli-0.1.31 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate happiness_cli 0.1.31 into /workspace/builds/worker-108/source [INFO] validating manifest of crates.io crate happiness_cli 0.1.31 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate happiness_cli 0.1.31 [INFO] finished tweaking crates.io crate happiness_cli 0.1.31 [INFO] tweaked toml for crates.io crate happiness_cli 0.1.31 written to /workspace/builds/worker-108/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5632b378521d158bb0bc3666ed6b798aa4735f3c8ff4a8918db1857584b899e [INFO] running `Command { std: "docker" "start" "-a" "b5632b378521d158bb0bc3666ed6b798aa4735f3c8ff4a8918db1857584b899e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5632b378521d158bb0bc3666ed6b798aa4735f3c8ff4a8918db1857584b899e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5632b378521d158bb0bc3666ed6b798aa4735f3c8ff4a8918db1857584b899e", kill_on_drop: false }` [INFO] [stdout] b5632b378521d158bb0bc3666ed6b798aa4735f3c8ff4a8918db1857584b899e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] beed60d14cf2fd04cd461c6e7a6d93189d8327eca05f2067164a322c6e2a2515 [INFO] running `Command { std: "docker" "start" "-a" "beed60d14cf2fd04cd461c6e7a6d93189d8327eca05f2067164a322c6e2a2515", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling happiness_cli v0.1.31 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:291:2 [INFO] [stdout] | [INFO] [stdout] 291 | fs::create_dir("./data_happiness"); [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 8.97s [INFO] running `Command { std: "docker" "inspect" "beed60d14cf2fd04cd461c6e7a6d93189d8327eca05f2067164a322c6e2a2515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "beed60d14cf2fd04cd461c6e7a6d93189d8327eca05f2067164a322c6e2a2515", kill_on_drop: false }` [INFO] [stdout] beed60d14cf2fd04cd461c6e7a6d93189d8327eca05f2067164a322c6e2a2515 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc72a4d8a69f99bf6d049f7dfccd53c10f9665002c0ed4e7f7f8e88a4217341a [INFO] running `Command { std: "docker" "start" "-a" "fc72a4d8a69f99bf6d049f7dfccd53c10f9665002c0ed4e7f7f8e88a4217341a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling happiness_cli v0.1.31 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:291:2 [INFO] [stdout] | [INFO] [stdout] 291 | fs::create_dir("./data_happiness"); [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 test [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `Command { std: "docker" "inspect" "fc72a4d8a69f99bf6d049f7dfccd53c10f9665002c0ed4e7f7f8e88a4217341a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc72a4d8a69f99bf6d049f7dfccd53c10f9665002c0ed4e7f7f8e88a4217341a", kill_on_drop: false }` [INFO] [stdout] fc72a4d8a69f99bf6d049f7dfccd53c10f9665002c0ed4e7f7f8e88a4217341a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 416e441247766429d7d3241d7be37b346b9cf29daeb6d671690cbb53eee13d68 [INFO] running `Command { std: "docker" "start" "-a" "416e441247766429d7d3241d7be37b346b9cf29daeb6d671690cbb53eee13d68", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:291:2 [INFO] [stderr] | [INFO] [stderr] 291 | fs::create_dir("./data_happiness"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `happiness_cli` (bin "happiness_cli" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.79s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/happiness_cli-961d3471c76d80c1) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "416e441247766429d7d3241d7be37b346b9cf29daeb6d671690cbb53eee13d68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "416e441247766429d7d3241d7be37b346b9cf29daeb6d671690cbb53eee13d68", kill_on_drop: false }` [INFO] [stdout] 416e441247766429d7d3241d7be37b346b9cf29daeb6d671690cbb53eee13d68