[INFO] fetching crate log2graph 0.1.1... [INFO] checking log2graph-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate log2graph 0.1.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate log2graph 0.1.1 [INFO] finished tweaking crates.io crate log2graph 0.1.1 [INFO] tweaked toml for crates.io crate log2graph 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate log2graph 0.1.1 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 crates.io crate log2graph 0.1.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 93a04d392846542ecbcf5b69fa1fe6bb7dec5acfe316c095d8d3b1bdc35da9c5 [INFO] running `Command { std: "docker" "start" "-a" "93a04d392846542ecbcf5b69fa1fe6bb7dec5acfe316c095d8d3b1bdc35da9c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93a04d392846542ecbcf5b69fa1fe6bb7dec5acfe316c095d8d3b1bdc35da9c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93a04d392846542ecbcf5b69fa1fe6bb7dec5acfe316c095d8d3b1bdc35da9c5", kill_on_drop: false }` [INFO] [stdout] 93a04d392846542ecbcf5b69fa1fe6bb7dec5acfe316c095d8d3b1bdc35da9c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 63fbfc6b05d9c78f8bcfd092ff72ac26ca8ae9b4df5a50832b1f691bc1d48d83 [INFO] running `Command { std: "docker" "start" "-a" "63fbfc6b05d9c78f8bcfd092ff72ac26ca8ae9b4df5a50832b1f691bc1d48d83", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking fixedbitset v0.4.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking petgraph v0.6.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling structopt-derive v0.4.16 [INFO] [stderr] Checking structopt v0.3.23 [INFO] [stderr] Checking log2graph v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / /// The delimiter for each key [INFO] [stdout] 12 | | #[structopt(short = "k", long = "keys_delimiter", default_value=":")] [INFO] [stdout] 13 | | keys_delimiter: String, [INFO] [stdout] | |__________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | / /// The delimiter for each param [INFO] [stdout] 15 | | #[structopt(short = "d", long = "params_delimiter", default_value=",")] [INFO] [stdout] 16 | | params_delimiter: String, [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | / /// The pattern for parsed lines [INFO] [stdout] 18 | | #[structopt(short = "p", long = "pattern")] [INFO] [stdout] 19 | | pattern: String, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | / /// The key for grouping logs [INFO] [stdout] 21 | | #[structopt(short = "g", long = "group_by")] [INFO] [stdout] 22 | | group_by: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / /// Keys for node labling [INFO] [stdout] 24 | | #[structopt(short = "v", long = "keys_to_print")] [INFO] [stdout] 25 | | keys_to_print: Vec, [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:118:5 [INFO] [stdout] | [INFO] [stdout] 118 | std::fs::create_dir_all(output_dir); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 118 | let _ = std::fs::create_dir_all(output_dir); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | / /// The delimiter for each key [INFO] [stdout] 12 | | #[structopt(short = "k", long = "keys_delimiter", default_value=":")] [INFO] [stdout] 13 | | keys_delimiter: String, [INFO] [stdout] | |__________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | / /// The delimiter for each param [INFO] [stdout] 15 | | #[structopt(short = "d", long = "params_delimiter", default_value=",")] [INFO] [stdout] 16 | | params_delimiter: String, [INFO] [stdout] | |____________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | / /// The pattern for parsed lines [INFO] [stdout] 18 | | #[structopt(short = "p", long = "pattern")] [INFO] [stdout] 19 | | pattern: String, [INFO] [stdout] | |___________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | / /// The key for grouping logs [INFO] [stdout] 21 | | #[structopt(short = "g", long = "group_by")] [INFO] [stdout] 22 | | group_by: String, [INFO] [stdout] | |____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / /// Keys for node labling [INFO] [stdout] 24 | | #[structopt(short = "v", long = "keys_to_print")] [INFO] [stdout] 25 | | keys_to_print: Vec, [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:118:5 [INFO] [stdout] | [INFO] [stdout] 118 | std::fs::create_dir_all(output_dir); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 118 | let _ = std::fs::create_dir_all(output_dir); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `log2graph` (bin "log2graph" test) due to 5 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `log2graph` (bin "log2graph") due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "63fbfc6b05d9c78f8bcfd092ff72ac26ca8ae9b4df5a50832b1f691bc1d48d83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63fbfc6b05d9c78f8bcfd092ff72ac26ca8ae9b4df5a50832b1f691bc1d48d83", kill_on_drop: false }` [INFO] [stdout] 63fbfc6b05d9c78f8bcfd092ff72ac26ca8ae9b4df5a50832b1f691bc1d48d83