[INFO] cloning repository https://github.com/vassjozsef/rust_memory
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vassjozsef/rust_memory" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvassjozsef%2Frust_memory", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvassjozsef%2Frust_memory'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c6d331da715b638c411be22940edf63ea6c53ff
[INFO] checking vassjozsef/rust_memory against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvassjozsef%2Frust_memory" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vassjozsef/rust_memory
[INFO] finished tweaking git repo https://github.com/vassjozsef/rust_memory
[INFO] tweaked toml for git repo https://github.com/vassjozsef/rust_memory written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vassjozsef/rust_memory on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vassjozsef/rust_memory 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de83fce0f1ba6cd131613ce9fa63a8a26a9f66d423a27eded829d015215c59a5
[INFO] running `Command { std: "docker" "start" "-a" "de83fce0f1ba6cd131613ce9fa63a8a26a9f66d423a27eded829d015215c59a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de83fce0f1ba6cd131613ce9fa63a8a26a9f66d423a27eded829d015215c59a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de83fce0f1ba6cd131613ce9fa63a8a26a9f66d423a27eded829d015215c59a5", kill_on_drop: false }`
[INFO] [stdout] de83fce0f1ba6cd131613ce9fa63a8a26a9f66d423a27eded829d015215c59a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbed90a8fdd37295c335c50198aad8a21fe0c6d09358ef76492fc353cf5fdc07
[INFO] running `Command { std: "docker" "start" "-a" "cbed90a8fdd37295c335c50198aad8a21fe0c6d09358ef76492fc353cf5fdc07", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking rust_memory v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]   --> src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | struct Numbers {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 8  |     a: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 9  |     b: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     c: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Numbers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]   --> src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | struct Numbers {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 8  |     a: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 9  |     b: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     c: i32,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Numbers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "cbed90a8fdd37295c335c50198aad8a21fe0c6d09358ef76492fc353cf5fdc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbed90a8fdd37295c335c50198aad8a21fe0c6d09358ef76492fc353cf5fdc07", kill_on_drop: false }`
[INFO] [stdout] cbed90a8fdd37295c335c50198aad8a21fe0c6d09358ef76492fc353cf5fdc07