[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngyihsin%2Fgrep" "/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/ngyihsin/grep on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-3/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" "+722e1797249a965b6335aebd65d777f917e498f1" "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-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a00253783d7715d68e624cc51ccb90a34fe06f1b3444bc89526cfc16f95a46d [INFO] running `Command { std: "docker" "start" "-a" "6a00253783d7715d68e624cc51ccb90a34fe06f1b3444bc89526cfc16f95a46d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a00253783d7715d68e624cc51ccb90a34fe06f1b3444bc89526cfc16f95a46d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a00253783d7715d68e624cc51ccb90a34fe06f1b3444bc89526cfc16f95a46d", kill_on_drop: false }` [INFO] [stdout] 6a00253783d7715d68e624cc51ccb90a34fe06f1b3444bc89526cfc16f95a46d [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09a29635833b4bc57e6283b936b0c0afa37858f31297176e71924021a3b3453c [INFO] running `Command { std: "docker" "start" "-a" "09a29635833b4bc57e6283b936b0c0afa37858f31297176e71924021a3b3453c", 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 7.30s [INFO] running `Command { std: "docker" "inspect" "09a29635833b4bc57e6283b936b0c0afa37858f31297176e71924021a3b3453c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09a29635833b4bc57e6283b936b0c0afa37858f31297176e71924021a3b3453c", kill_on_drop: false }` [INFO] [stdout] 09a29635833b4bc57e6283b936b0c0afa37858f31297176e71924021a3b3453c [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9996035ed93724df6a16fc584aca788a593dd2212e33bc9adb9851d6b16c32ea [INFO] running `Command { std: "docker" "start" "-a" "9996035ed93724df6a16fc584aca788a593dd2212e33bc9adb9851d6b16c32ea", 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 test [unoptimized + debuginfo] target(s) in 10.16s [INFO] running `Command { std: "docker" "inspect" "9996035ed93724df6a16fc584aca788a593dd2212e33bc9adb9851d6b16c32ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9996035ed93724df6a16fc584aca788a593dd2212e33bc9adb9851d6b16c32ea", kill_on_drop: false }` [INFO] [stdout] 9996035ed93724df6a16fc584aca788a593dd2212e33bc9adb9851d6b16c32ea [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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f960ab2f750caf836829a4249b6c326b0cff0a109ef5a9a853c4619afe60dd0b [INFO] running `Command { std: "docker" "start" "-a" "f960ab2f750caf836829a4249b6c326b0cff0a109ef5a9a853c4619afe60dd0b", 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 0.47s [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" "f960ab2f750caf836829a4249b6c326b0cff0a109ef5a9a853c4619afe60dd0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f960ab2f750caf836829a4249b6c326b0cff0a109ef5a9a853c4619afe60dd0b", kill_on_drop: false }` [INFO] [stdout] f960ab2f750caf836829a4249b6c326b0cff0a109ef5a9a853c4619afe60dd0b