[INFO] cloning repository https://github.com/Yuta1004/dragonbook [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yuta1004/dragonbook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fdragonbook", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fdragonbook'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 867555e90fd13660bd38129c702239c704841fc6 [INFO] checking Yuta1004/dragonbook against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYuta1004%2Fdragonbook" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Yuta1004/dragonbook [INFO] finished tweaking git repo https://github.com/Yuta1004/dragonbook [INFO] tweaked toml for git repo https://github.com/Yuta1004/dragonbook written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Yuta1004/dragonbook on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Yuta1004/dragonbook 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7218a64787bab116811c8bfe2c7cd5d3423a57b60938498d7a09c19fb20767a3 [INFO] running `Command { std: "docker" "start" "-a" "7218a64787bab116811c8bfe2c7cd5d3423a57b60938498d7a09c19fb20767a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7218a64787bab116811c8bfe2c7cd5d3423a57b60938498d7a09c19fb20767a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7218a64787bab116811c8bfe2c7cd5d3423a57b60938498d7a09c19fb20767a3", kill_on_drop: false }` [INFO] [stdout] 7218a64787bab116811c8bfe2c7cd5d3423a57b60938498d7a09c19fb20767a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f264a5ee7f2ec557ce03b68f2e34a699bfe4952a3d416e0bdfa12b61f1058702 [INFO] running `Command { std: "docker" "start" "-a" "f264a5ee7f2ec557ce03b68f2e34a699bfe4952a3d416e0bdfa12b61f1058702", kill_on_drop: false }` [INFO] [stderr] Checking dragonbook v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/chapter2/parser/_defparser.rs:36:52 [INFO] [stdout] | [INFO] [stdout] 36 | Err(msg) if msg != "eof" => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 36 | Err(msg) if msg != "eof" => panic!("{}", msg), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/chapter2/token.rs:80:36 [INFO] [stdout] | [INFO] [stdout] 80 | Token::Word { tag, lexeme: String::from_str(lexeme).unwrap() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dragonbook` (lib) due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/chapter2/parser/_defparser.rs:36:52 [INFO] [stdout] | [INFO] [stdout] 36 | Err(msg) if msg != "eof" => panic!(msg), [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 36 | Err(msg) if msg != "eof" => panic!("{}", msg), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/chapter2/token.rs:80:36 [INFO] [stdout] | [INFO] [stdout] 80 | Token::Word { tag, lexeme: String::from_str(lexeme).unwrap() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `dragonbook` (lib test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "f264a5ee7f2ec557ce03b68f2e34a699bfe4952a3d416e0bdfa12b61f1058702", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f264a5ee7f2ec557ce03b68f2e34a699bfe4952a3d416e0bdfa12b61f1058702", kill_on_drop: false }` [INFO] [stdout] f264a5ee7f2ec557ce03b68f2e34a699bfe4952a3d416e0bdfa12b61f1058702