[INFO] cloning repository https://github.com/davidabernado/based-minigrep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidabernado/based-minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidabernado%2Fbased-minigrep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidabernado%2Fbased-minigrep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7b4e7c0b5be8afcb5c8e03b85bf48dec27bc2411 [INFO] checking davidabernado/based-minigrep against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidabernado%2Fbased-minigrep" "/workspace/builds/worker-83/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidabernado/based-minigrep on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/davidabernado/based-minigrep [INFO] finished tweaking git repo https://github.com/davidabernado/based-minigrep [INFO] tweaked toml for git repo https://github.com/davidabernado/based-minigrep written to /workspace/builds/worker-83/source/Cargo.toml [INFO] crate git repo https://github.com/davidabernado/based-minigrep already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 346f3370eaa97189bd035813db88c4d12b8cf5a65a6107df70061a97eb351a52 [INFO] running `Command { std: "docker" "start" "-a" "346f3370eaa97189bd035813db88c4d12b8cf5a65a6107df70061a97eb351a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "346f3370eaa97189bd035813db88c4d12b8cf5a65a6107df70061a97eb351a52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "346f3370eaa97189bd035813db88c4d12b8cf5a65a6107df70061a97eb351a52", kill_on_drop: false }` [INFO] [stdout] 346f3370eaa97189bd035813db88c4d12b8cf5a65a6107df70061a97eb351a52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed61bd84bbba8ddf5991f82f4195062042b5ceb691f317cf02a0270df67a614b [INFO] running `Command { std: "docker" "start" "-a" "ed61bd84bbba8ddf5991f82f4195062042b5ceb691f317cf02a0270df67a614b", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling regex v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking based_minigrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:26:60 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn read_file(filename: &str) -> Result> { [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:26:60 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn read_file(filename: &str) -> Result> { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> tests/test_grep.rs:14:39 [INFO] [stdout] | [INFO] [stdout] 14 | search(&query, &contents, &flag) [INFO] [stdout] | ^^^^^ expected enum `Flag`, found struct `String` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&Flag` [INFO] [stdout] found reference `&String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> tests/test_grep.rs:26:39 [INFO] [stdout] | [INFO] [stdout] 26 | search(&query, &contents, &flag), [INFO] [stdout] | ^^^^^ expected enum `Flag`, found struct `String` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&Flag` [INFO] [stdout] found reference `&String` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `based_minigrep` due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "ed61bd84bbba8ddf5991f82f4195062042b5ceb691f317cf02a0270df67a614b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed61bd84bbba8ddf5991f82f4195062042b5ceb691f317cf02a0270df67a614b", kill_on_drop: false }` [INFO] [stdout] ed61bd84bbba8ddf5991f82f4195062042b5ceb691f317cf02a0270df67a614b