[INFO] cloning repository https://github.com/kevinquillen/rustdemo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinquillen/rustdemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinquillen%2Frustdemo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinquillen%2Frustdemo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06d423183d2cf246b7fe7c400289296566d6aa95 [INFO] checking kevinquillen/rustdemo 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%2Fkevinquillen%2Frustdemo" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kevinquillen/rustdemo [INFO] finished tweaking git repo https://github.com/kevinquillen/rustdemo [INFO] tweaked toml for git repo https://github.com/kevinquillen/rustdemo written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kevinquillen/rustdemo 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/kevinquillen/rustdemo 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 07e84c58a9c21aa7636e564f6999fa4a60c8440d0fa66c76c6919baf007b5de9 [INFO] running `Command { std: "docker" "start" "-a" "07e84c58a9c21aa7636e564f6999fa4a60c8440d0fa66c76c6919baf007b5de9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07e84c58a9c21aa7636e564f6999fa4a60c8440d0fa66c76c6919baf007b5de9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07e84c58a9c21aa7636e564f6999fa4a60c8440d0fa66c76c6919baf007b5de9", kill_on_drop: false }` [INFO] [stdout] 07e84c58a9c21aa7636e564f6999fa4a60c8440d0fa66c76c6919baf007b5de9 [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 -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] d71350ac1de27f946f447eabb0e1b2e6fa8e5009d858c92dcd742b5f901833a5 [INFO] running `Command { std: "docker" "start" "-a" "d71350ac1de27f946f447eabb0e1b2e6fa8e5009d858c92dcd742b5f901833a5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Checking structopt v0.3.15 [INFO] [stderr] Checking rustdemo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `rustdemo` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | / #[structopt( [INFO] [stdout] 10 | | short = "t", [INFO] [stdout] 11 | | long = "text", [INFO] [stdout] 12 | | help = "The text you want to look for.", [INFO] [stdout] 13 | | )] [INFO] [stdout] 14 | | pub text: 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/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | / #[structopt( [INFO] [stdout] 17 | | short = "f", [INFO] [stdout] 18 | | long = "file", [INFO] [stdout] 19 | | help = "The file to search for the given text.", [INFO] [stdout] 20 | | )] [INFO] [stdout] 21 | | pub path: PathBuf [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | / #[structopt( [INFO] [stdout] 10 | | short = "t", [INFO] [stdout] 11 | | long = "text", [INFO] [stdout] 12 | | help = "The text you want to look for.", [INFO] [stdout] 13 | | )] [INFO] [stdout] 14 | | pub text: 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/lib.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | / #[structopt( [INFO] [stdout] 17 | | short = "f", [INFO] [stdout] 18 | | long = "file", [INFO] [stdout] 19 | | help = "The file to search for the given text.", [INFO] [stdout] 20 | | )] [INFO] [stdout] 21 | | pub path: PathBuf [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rustdemo` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d71350ac1de27f946f447eabb0e1b2e6fa8e5009d858c92dcd742b5f901833a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d71350ac1de27f946f447eabb0e1b2e6fa8e5009d858c92dcd742b5f901833a5", kill_on_drop: false }` [INFO] [stdout] d71350ac1de27f946f447eabb0e1b2e6fa8e5009d858c92dcd742b5f901833a5