[INFO] fetching crate dammcheck 0.1.2...
[INFO] checking dammcheck-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate dammcheck 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate dammcheck 0.1.2
[INFO] finished tweaking crates.io crate dammcheck 0.1.2
[INFO] tweaked toml for crates.io crate dammcheck 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dammcheck 0.1.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding pyo3 v0.19.2 (available: v0.25.1)
[INFO] [stderr]       Adding strum v0.25.0 (available: v0.27.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1854b3c392d7534e04d6616360f01bbc8d5fd27abd53bd7421407d7a6d632b4d
[INFO] running `Command { std: "docker" "start" "-a" "1854b3c392d7534e04d6616360f01bbc8d5fd27abd53bd7421407d7a6d632b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1854b3c392d7534e04d6616360f01bbc8d5fd27abd53bd7421407d7a6d632b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1854b3c392d7534e04d6616360f01bbc8d5fd27abd53bd7421407d7a6d632b4d", kill_on_drop: false }`
[INFO] [stdout] 1854b3c392d7534e04d6616360f01bbc8d5fd27abd53bd7421407d7a6d632b4d
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c018468eb095b410ffa2118f376bf4df868f31ed46021d6d9e080723a1610d1b
[INFO] running `Command { std: "docker" "start" "-a" "c018468eb095b410ffa2118f376bf4df868f31ed46021d6d9e080723a1610d1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking dammcheck v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `alphabet_length` is never used
[INFO] [stdout]   --> src/quasigroups.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Order {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 48 |     fn alphabet_length(self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alphabet_length` is never used
[INFO] [stdout]   --> src/quasigroups.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Order {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 48 |     fn alphabet_length(self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.26s
[INFO] running `Command { std: "docker" "inspect" "c018468eb095b410ffa2118f376bf4df868f31ed46021d6d9e080723a1610d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c018468eb095b410ffa2118f376bf4df868f31ed46021d6d9e080723a1610d1b", kill_on_drop: false }`
[INFO] [stdout] c018468eb095b410ffa2118f376bf4df868f31ed46021d6d9e080723a1610d1b