[INFO] fetching crate checkdigit 0.1.0...
[INFO] checking checkdigit-0.1.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate checkdigit 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate checkdigit 0.1.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate checkdigit 0.1.0
[INFO] finished tweaking crates.io crate checkdigit 0.1.0
[INFO] tweaked toml for crates.io crate checkdigit 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e232e9399e616ab708313df5072e57c5143b1be8b601bca9465ee6ddfb212a1c
[INFO] running `Command { std: "docker" "start" "-a" "e232e9399e616ab708313df5072e57c5143b1be8b601bca9465ee6ddfb212a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e232e9399e616ab708313df5072e57c5143b1be8b601bca9465ee6ddfb212a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e232e9399e616ab708313df5072e57c5143b1be8b601bca9465ee6ddfb212a1c", kill_on_drop: false }`
[INFO] [stdout] e232e9399e616ab708313df5072e57c5143b1be8b601bca9465ee6ddfb212a1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fdbfbc975c0b7edba10982d4e355f3b66c3b8a3be8194f90d5bab6a5a813413
[INFO] running `Command { std: "docker" "start" "-a" "4fdbfbc975c0b7edba10982d4e355f3b66c3b8a3be8194f90d5bab6a5a813413", kill_on_drop: false }`
[INFO] [stderr]     Checking checkdigit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/util/charmap.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         CharMap::<u8>::from("0123405");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let _ = CharMap::<u8>::from("0123405");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "4fdbfbc975c0b7edba10982d4e355f3b66c3b8a3be8194f90d5bab6a5a813413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fdbfbc975c0b7edba10982d4e355f3b66c3b8a3be8194f90d5bab6a5a813413", kill_on_drop: false }`
[INFO] [stdout] 4fdbfbc975c0b7edba10982d4e355f3b66c3b8a3be8194f90d5bab6a5a813413
[INFO] checking checkdigit-0.1.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate checkdigit 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate checkdigit 0.1.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate checkdigit 0.1.0
[INFO] finished tweaking crates.io crate checkdigit 0.1.0
[INFO] tweaked toml for crates.io crate checkdigit 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b10bb64706306e13f0a3a621c229cce1f1f8738e50829d6bb440699ff8e96d2e
[INFO] running `Command { std: "docker" "start" "-a" "b10bb64706306e13f0a3a621c229cce1f1f8738e50829d6bb440699ff8e96d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b10bb64706306e13f0a3a621c229cce1f1f8738e50829d6bb440699ff8e96d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10bb64706306e13f0a3a621c229cce1f1f8738e50829d6bb440699ff8e96d2e", kill_on_drop: false }`
[INFO] [stdout] b10bb64706306e13f0a3a621c229cce1f1f8738e50829d6bb440699ff8e96d2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 634fc842173ba9acf2d0eb12c504307244dbd2db7e33d3752b3fdb734ff547cf
[INFO] running `Command { std: "docker" "start" "-a" "634fc842173ba9acf2d0eb12c504307244dbd2db7e33d3752b3fdb734ff547cf", kill_on_drop: false }`
[INFO] [stderr]     Checking checkdigit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/util/charmap.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         CharMap::<u8>::from("0123405");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let _ = CharMap::<u8>::from("0123405");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "634fc842173ba9acf2d0eb12c504307244dbd2db7e33d3752b3fdb734ff547cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634fc842173ba9acf2d0eb12c504307244dbd2db7e33d3752b3fdb734ff547cf", kill_on_drop: false }`
[INFO] [stdout] 634fc842173ba9acf2d0eb12c504307244dbd2db7e33d3752b3fdb734ff547cf
