[INFO] cloning repository https://github.com/emawutor/minigrep_emmanuel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emawutor/minigrep_emmanuel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femawutor%2Fminigrep_emmanuel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femawutor%2Fminigrep_emmanuel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c566f42afca6ce638bbc1b1b3e3d0e602976a673 [INFO] checking emawutor/minigrep_emmanuel against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femawutor%2Fminigrep_emmanuel" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emawutor/minigrep_emmanuel on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emawutor/minigrep_emmanuel [INFO] finished tweaking git repo https://github.com/emawutor/minigrep_emmanuel [INFO] tweaked toml for git repo https://github.com/emawutor/minigrep_emmanuel written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/emawutor/minigrep_emmanuel already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5aba2e77c5e486de80f19e124462d9a3ebbd58d57467a9edb44a8f03259930e5 [INFO] running `Command { std: "docker" "start" "-a" "5aba2e77c5e486de80f19e124462d9a3ebbd58d57467a9edb44a8f03259930e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5aba2e77c5e486de80f19e124462d9a3ebbd58d57467a9edb44a8f03259930e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5aba2e77c5e486de80f19e124462d9a3ebbd58d57467a9edb44a8f03259930e5", kill_on_drop: false }` [INFO] [stdout] 5aba2e77c5e486de80f19e124462d9a3ebbd58d57467a9edb44a8f03259930e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f759075419a30645af06ebbc1ca1663affa8b4dc0030000286dd8e3b186ee8d9 [INFO] running `Command { std: "docker" "start" "-a" "f759075419a30645af06ebbc1ca1663affa8b4dc0030000286dd8e3b186ee8d9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking minigrep_emmanuel 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 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:58:36 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn search_case_insensitive<'a>(mut query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:58:36 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn search_case_insensitive<'a>(mut query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.08s [INFO] running `Command { std: "docker" "inspect" "f759075419a30645af06ebbc1ca1663affa8b4dc0030000286dd8e3b186ee8d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f759075419a30645af06ebbc1ca1663affa8b4dc0030000286dd8e3b186ee8d9", kill_on_drop: false }` [INFO] [stdout] f759075419a30645af06ebbc1ca1663affa8b4dc0030000286dd8e3b186ee8d9