[INFO] cloning repository https://github.com/ngyihsin/grep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngyihsin/grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngyihsin%2Fgrep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngyihsin%2Fgrep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1a5db2cfc21f73f733cfe8aa2a76c6eb6b2abec [INFO] testing ngyihsin/grep against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngyihsin%2Fgrep" "/workspace/builds/worker-47/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ngyihsin/grep 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 git repo https://github.com/ngyihsin/grep [INFO] finished tweaking git repo https://github.com/ngyihsin/grep [INFO] tweaked toml for git repo https://github.com/ngyihsin/grep written to /workspace/builds/worker-47/source/Cargo.toml [INFO] crate git repo https://github.com/ngyihsin/grep already has a lockfile, it will not be regenerated [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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 407ca854cbf51f97906f7223c67f30d5384714688635e1c55c51a40976a5e528 [INFO] running `Command { std: "docker" "start" "-a" "407ca854cbf51f97906f7223c67f30d5384714688635e1c55c51a40976a5e528", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "407ca854cbf51f97906f7223c67f30d5384714688635e1c55c51a40976a5e528", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "407ca854cbf51f97906f7223c67f30d5384714688635e1c55c51a40976a5e528", kill_on_drop: false }` [INFO] [stdout] 407ca854cbf51f97906f7223c67f30d5384714688635e1c55c51a40976a5e528 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 67356030208b393811179a74791e69a3c51b952b266068ea146718d0678000c5 [INFO] running `Command { std: "docker" "start" "-a" "67356030208b393811179a74791e69a3c51b952b266068ea146718d0678000c5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:42:52 [INFO] [stdout] | [INFO] [stdout] 42 | fn visit_dirs(query: &String, dir: &Path, cb: &Fn(&String, &DirEntry)) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&String, &DirEntry)` [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/grep.rs:25:11 [INFO] [stdout] | [INFO] [stdout] 25 | let mut p = Config {file_path: file_path, query: query, result: Vec::new()}; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.53s [INFO] running `Command { std: "docker" "inspect" "67356030208b393811179a74791e69a3c51b952b266068ea146718d0678000c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67356030208b393811179a74791e69a3c51b952b266068ea146718d0678000c5", kill_on_drop: false }` [INFO] [stdout] 67356030208b393811179a74791e69a3c51b952b266068ea146718d0678000c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8df96b617d1ed96c9dd2ab967dd89cb9363e11bad9ee81bedcf77237d9366730 [INFO] running `Command { std: "docker" "start" "-a" "8df96b617d1ed96c9dd2ab967dd89cb9363e11bad9ee81bedcf77237d9366730", kill_on_drop: false }` [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/grep.rs:42:52 [INFO] [stdout] | [INFO] [stdout] 42 | fn visit_dirs(query: &String, dir: &Path, cb: &Fn(&String, &DirEntry)) -> io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&String, &DirEntry)` [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/grep.rs:25:11 [INFO] [stdout] | [INFO] [stdout] 25 | let mut p = Config {file_path: file_path, query: query, result: Vec::new()}; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "8df96b617d1ed96c9dd2ab967dd89cb9363e11bad9ee81bedcf77237d9366730", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8df96b617d1ed96c9dd2ab967dd89cb9363e11bad9ee81bedcf77237d9366730", kill_on_drop: false }` [INFO] [stdout] 8df96b617d1ed96c9dd2ab967dd89cb9363e11bad9ee81bedcf77237d9366730 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 74fd60b2d986b09e589b02e7df9d52bcafc81923e3a5efc1138e26d61eed623b [INFO] running `Command { std: "docker" "start" "-a" "74fd60b2d986b09e589b02e7df9d52bcafc81923e3a5efc1138e26d61eed623b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/grep.rs:42:52 [INFO] [stderr] | [INFO] [stderr] 42 | fn visit_dirs(query: &String, dir: &Path, cb: &Fn(&String, &DirEntry)) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&String, &DirEntry)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/grep.rs:25:11 [INFO] [stderr] | [INFO] [stderr] 25 | let mut p = Config {file_path: file_path, query: query, result: Vec::new()}; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `hello` (bin "hello" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.83s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello-e914df599783cf5a) [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" "74fd60b2d986b09e589b02e7df9d52bcafc81923e3a5efc1138e26d61eed623b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74fd60b2d986b09e589b02e7df9d52bcafc81923e3a5efc1138e26d61eed623b", kill_on_drop: false }` [INFO] [stdout] 74fd60b2d986b09e589b02e7df9d52bcafc81923e3a5efc1138e26d61eed623b