[INFO] cloning repository https://github.com/taskie/rust-memo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taskie/rust-memo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaskie%2Frust-memo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaskie%2Frust-memo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 389718524416253649e58ce9b1a285f3b405275d
[INFO] checking taskie/rust-memo against 98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3 for pr-160235-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaskie%2Frust-memo" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/taskie/rust-memo
[INFO] finished tweaking git repo https://github.com/taskie/rust-memo
[INFO] tweaked toml for git repo https://github.com/taskie/rust-memo written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/taskie/rust-memo on toolchain 98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/taskie/rust-memo 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" "+98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `memo` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e4e7f75d10abe187ab02d7880be1d543880c1cf0efa17d30c72fecd2248d8736
[INFO] running `Command { std: "docker" "start" "e4e7f75d10abe187ab02d7880be1d543880c1cf0efa17d30c72fecd2248d8736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e7f75d10abe187ab02d7880be1d543880c1cf0efa17d30c72fecd2248d8736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e4e7f75d10abe187ab02d7880be1d543880c1cf0efa17d30c72fecd2248d8736" "/opt/rustwide/cargo-home/bin/cargo" "+98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e7f75d10abe187ab02d7880be1d543880c1cf0efa17d30c72fecd2248d8736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e4e7f75d10abe187ab02d7880be1d543880c1cf0efa17d30c72fecd2248d8736" "/opt/rustwide/cargo-home/bin/cargo" "+98fd715edd3a0a5aa8f2041d7e20a3143b0fc0d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `memo` (manifest) generated 1 warning
[INFO] [stderr]     Checking memo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `S1` is never constructed
[INFO] [stdout]  --> src/memo1.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct S1;
[INFO] [stdout]   |        ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S2_1` is never constructed
[INFO] [stdout]  --> src/memo1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct S2_1 { s1: Option<S1> }
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S2_2` is never constructed
[INFO] [stdout]  --> src/memo1.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct S2_2<'a> { s1: Option<&'a S1> }
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `f1` is never used
[INFO] [stdout]   --> src/memo1.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl S2_1 {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 16 |     fn f1(&self) -> S1 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `f1` is never used
[INFO] [stdout]   --> src/memo1.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl <'a> S2_2<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 23 |     fn f1(&self) -> &S1 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "e4e7f75d10abe187ab02d7880be1d543880c1cf0efa17d30c72fecd2248d8736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e7f75d10abe187ab02d7880be1d543880c1cf0efa17d30c72fecd2248d8736", kill_on_drop: false }`
[INFO] [stdout] e4e7f75d10abe187ab02d7880be1d543880c1cf0efa17d30c72fecd2248d8736