[INFO] cloning repository https://github.com/Siilwyn/rust-minigrep-clap [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Siilwyn/rust-minigrep-clap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiilwyn%2Frust-minigrep-clap", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiilwyn%2Frust-minigrep-clap'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ffc2a8b7b2127495f9d16d8d2a85ef6579e36681 [INFO] checking Siilwyn/rust-minigrep-clap against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiilwyn%2Frust-minigrep-clap" "/workspace/builds/worker-76/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Siilwyn/rust-minigrep-clap on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Siilwyn/rust-minigrep-clap [INFO] finished tweaking git repo https://github.com/Siilwyn/rust-minigrep-clap [INFO] tweaked toml for git repo https://github.com/Siilwyn/rust-minigrep-clap written to /workspace/builds/worker-76/source/Cargo.toml [INFO] crate git repo https://github.com/Siilwyn/rust-minigrep-clap already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f16bed3446da7d5a5994fa7bb27227b639d5e2ea46dd2d2382db6b11e484b79c [INFO] running `Command { std: "docker" "start" "-a" "f16bed3446da7d5a5994fa7bb27227b639d5e2ea46dd2d2382db6b11e484b79c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f16bed3446da7d5a5994fa7bb27227b639d5e2ea46dd2d2382db6b11e484b79c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f16bed3446da7d5a5994fa7bb27227b639d5e2ea46dd2d2382db6b11e484b79c", kill_on_drop: false }` [INFO] [stdout] f16bed3446da7d5a5994fa7bb27227b639d5e2ea46dd2d2382db6b11e484b79c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c7c032a69e944adfd84c0b6ce83d828f549729f59e9b1834c81b953de515b8b [INFO] running `Command { std: "docker" "start" "-a" "6c7c032a69e944adfd84c0b6ce83d828f549729f59e9b1834c81b953de515b8b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking clap v2.30.0 [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:7:46 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run(config: Config) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:7:46 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run(config: Config) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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 19.55s [INFO] running `Command { std: "docker" "inspect" "6c7c032a69e944adfd84c0b6ce83d828f549729f59e9b1834c81b953de515b8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c7c032a69e944adfd84c0b6ce83d828f549729f59e9b1834c81b953de515b8b", kill_on_drop: false }` [INFO] [stdout] 6c7c032a69e944adfd84c0b6ce83d828f549729f59e9b1834c81b953de515b8b