[INFO] fetching crate memgrep 0.2.0... [INFO] testing memgrep-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate memgrep 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate memgrep 0.2.0 [INFO] finished tweaking crates.io crate memgrep 0.2.0 [INFO] tweaked toml for crates.io crate memgrep 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate memgrep 0.2.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate memgrep 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 880f18c6253af077eb1d55ae0462294d6ceecc3e08b95d2e9b78d063ed6de243 [INFO] running `Command { std: "docker" "start" "-a" "880f18c6253af077eb1d55ae0462294d6ceecc3e08b95d2e9b78d063ed6de243", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "880f18c6253af077eb1d55ae0462294d6ceecc3e08b95d2e9b78d063ed6de243", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "880f18c6253af077eb1d55ae0462294d6ceecc3e08b95d2e9b78d063ed6de243", kill_on_drop: false }` [INFO] [stdout] 880f18c6253af077eb1d55ae0462294d6ceecc3e08b95d2e9b78d063ed6de243 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c819934fa57b67ecd074ee8934a9289fb90f96a88669db2280fa3dd2318fc0de [INFO] running `Command { std: "docker" "start" "-a" "c819934fa57b67ecd074ee8934a9289fb90f96a88669db2280fa3dd2318fc0de", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling once_cell v1.14.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling os_str_bytes v6.3.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling anyhow v1.0.64 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling smallvec v1.9.0 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling memmem v0.1.1 [INFO] [stderr] Compiling tracing-core v0.1.29 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling tracing-log v0.1.3 [INFO] [stderr] Compiling tracing-subscriber v0.3.15 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.34 [INFO] [stderr] Compiling tracing-attributes v0.1.22 [INFO] [stderr] Compiling clap_derive v3.2.18 [INFO] [stderr] Compiling tracing v0.1.36 [INFO] [stderr] Compiling thiserror v1.0.34 [INFO] [stderr] Compiling clap v3.2.20 [INFO] [stderr] Compiling memgrep v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/maps.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | File(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MapsPath` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 - File(String), [INFO] [stdout] 27 + File(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `offset` and `dev` are never read [INFO] [stdout] --> src/maps.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 48 | pub struct MapsRecord { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 64 | pub offset: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub dev: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MapsRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.22s [INFO] running `Command { std: "docker" "inspect" "c819934fa57b67ecd074ee8934a9289fb90f96a88669db2280fa3dd2318fc0de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c819934fa57b67ecd074ee8934a9289fb90f96a88669db2280fa3dd2318fc0de", kill_on_drop: false }` [INFO] [stdout] c819934fa57b67ecd074ee8934a9289fb90f96a88669db2280fa3dd2318fc0de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68986e596946957b3947628f9b2ddcf7c784fc6c411cd055f3eac06c8d498b23 [INFO] running `Command { std: "docker" "start" "-a" "68986e596946957b3947628f9b2ddcf7c784fc6c411cd055f3eac06c8d498b23", kill_on_drop: false }` [INFO] [stderr] Compiling memgrep v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/maps.rs:27:10 [INFO] [stdout] | [INFO] [stdout] 27 | File(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MapsPath` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 27 - File(String), [INFO] [stdout] 27 + File(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `offset` and `dev` are never read [INFO] [stdout] --> src/maps.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 48 | pub struct MapsRecord { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 64 | pub offset: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 67 | pub dev: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MapsRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "68986e596946957b3947628f9b2ddcf7c784fc6c411cd055f3eac06c8d498b23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68986e596946957b3947628f9b2ddcf7c784fc6c411cd055f3eac06c8d498b23", kill_on_drop: false }` [INFO] [stdout] 68986e596946957b3947628f9b2ddcf7c784fc6c411cd055f3eac06c8d498b23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ffe11aa2b807aed51c224e48d10791e806702d059f061e14e55fc097110217e0 [INFO] running `Command { std: "docker" "start" "-a" "ffe11aa2b807aed51c224e48d10791e806702d059f061e14e55fc097110217e0", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/maps.rs:27:10 [INFO] [stderr] | [INFO] [stderr] 27 | File(String), [INFO] [stderr] | ---- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `MapsPath` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 27 - File(String), [INFO] [stderr] 27 + File(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: fields `offset` and `dev` are never read [INFO] [stderr] --> src/maps.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 48 | pub struct MapsRecord { [INFO] [stderr] | ---------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 64 | pub offset: usize, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 67 | pub dev: String, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `MapsRecord` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `memgrep` (bin "memgrep" test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/memgrep-85343ad740843715) [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" "ffe11aa2b807aed51c224e48d10791e806702d059f061e14e55fc097110217e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffe11aa2b807aed51c224e48d10791e806702d059f061e14e55fc097110217e0", kill_on_drop: false }` [INFO] [stdout] ffe11aa2b807aed51c224e48d10791e806702d059f061e14e55fc097110217e0