[INFO] fetching crate memgrep 0.2.0...
[INFO] checking memgrep-0.2.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate memgrep 0.2.0 into /workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate memgrep 0.2.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.64
[INFO] [stderr]   Downloaded memmem v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0778efb8f311641829b9c45efe30cba9b9b5e3bfff937883eba333cabcd2b91
[INFO] running `Command { std: "docker" "start" "-a" "d0778efb8f311641829b9c45efe30cba9b9b5e3bfff937883eba333cabcd2b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0778efb8f311641829b9c45efe30cba9b9b5e3bfff937883eba333cabcd2b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0778efb8f311641829b9c45efe30cba9b9b5e3bfff937883eba333cabcd2b91", kill_on_drop: false }`
[INFO] [stdout] d0778efb8f311641829b9c45efe30cba9b9b5e3bfff937883eba333cabcd2b91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 435d80109a5e81fb7cee197443ec7ecb847484a9ac99de3f352cda7cc6e9f153
[INFO] running `Command { std: "docker" "start" "-a" "435d80109a5e81fb7cee197443ec7ecb847484a9ac99de3f352cda7cc6e9f153", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling anyhow v1.0.64
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking memmem v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]     Checking tracing-subscriber v0.3.15
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thiserror v1.0.34
[INFO] [stderr]     Checking clap v3.2.20
[INFO] [stderr]     Checking 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: 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] [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 3.73s
[INFO] running `Command { std: "docker" "inspect" "435d80109a5e81fb7cee197443ec7ecb847484a9ac99de3f352cda7cc6e9f153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "435d80109a5e81fb7cee197443ec7ecb847484a9ac99de3f352cda7cc6e9f153", kill_on_drop: false }`
[INFO] [stdout] 435d80109a5e81fb7cee197443ec7ecb847484a9ac99de3f352cda7cc6e9f153