[INFO] fetching crate fdedup 1.0.1... [INFO] checking fdedup-1.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate fdedup 1.0.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate fdedup 1.0.1 [INFO] finished tweaking crates.io crate fdedup 1.0.1 [INFO] tweaked toml for crates.io crate fdedup 1.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fdedup 1.0.1 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 fdedup 1.0.1 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-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] e423c4eee453bcd4e5a12d43e796c29392ac649ecc78c4b743727f817eea6ed5 [INFO] running `Command { std: "docker" "start" "-a" "e423c4eee453bcd4e5a12d43e796c29392ac649ecc78c4b743727f817eea6ed5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e423c4eee453bcd4e5a12d43e796c29392ac649ecc78c4b743727f817eea6ed5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e423c4eee453bcd4e5a12d43e796c29392ac649ecc78c4b743727f817eea6ed5", kill_on_drop: false }` [INFO] [stdout] e423c4eee453bcd4e5a12d43e796c29392ac649ecc78c4b743727f817eea6ed5 [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] f0a4e11e084749254c4fd0a2123dff610706888e717a135c38b6f843bf15810a [INFO] running `Command { std: "docker" "start" "-a" "f0a4e11e084749254c4fd0a2123dff610706888e717a135c38b6f843bf15810a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.93 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Compiling serde_json v1.0.134 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking tokio v1.42.0 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking fdedup v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | / #[structopt(long = "exec", help = "pass each duplicate set to program")] [INFO] [stdout] 57 | | exec: Option, [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:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | / #[structopt(name = "path")] [INFO] [stdout] 59 | | path: PathBuf, [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fdedup` (bin "fdedup" test) 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/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | / #[structopt(long = "exec", help = "pass each duplicate set to program")] [INFO] [stdout] 57 | | exec: Option, [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:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | / #[structopt(name = "path")] [INFO] [stdout] 59 | | path: PathBuf, [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fdedup` (bin "fdedup") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "f0a4e11e084749254c4fd0a2123dff610706888e717a135c38b6f843bf15810a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0a4e11e084749254c4fd0a2123dff610706888e717a135c38b6f843bf15810a", kill_on_drop: false }` [INFO] [stdout] f0a4e11e084749254c4fd0a2123dff610706888e717a135c38b6f843bf15810a