[INFO] fetching crate rptree 0.4.0... [INFO] checking rptree-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate rptree 0.4.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate rptree 0.4.0 [INFO] finished tweaking crates.io crate rptree 0.4.0 [INFO] tweaked toml for crates.io crate rptree 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rptree 0.4.0 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 rptree 0.4.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7646cf8ad2b65b02a2a8caa0db0fcca1de9fcc7826d997e47c982082fb7ddd43 [INFO] running `Command { std: "docker" "start" "-a" "7646cf8ad2b65b02a2a8caa0db0fcca1de9fcc7826d997e47c982082fb7ddd43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7646cf8ad2b65b02a2a8caa0db0fcca1de9fcc7826d997e47c982082fb7ddd43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7646cf8ad2b65b02a2a8caa0db0fcca1de9fcc7826d997e47c982082fb7ddd43", kill_on_drop: false }` [INFO] [stdout] 7646cf8ad2b65b02a2a8caa0db0fcca1de9fcc7826d997e47c982082fb7ddd43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b60eab4855783ae1668cc079621085de417b3414b550ef0efa2114a1dfd0118c [INFO] running `Command { std: "docker" "start" "-a" "b60eab4855783ae1668cc079621085de417b3414b550ef0efa2114a1dfd0118c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking rptree v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/opt.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | / /// Prints color, only supports green, blue and red [INFO] [stdout] 18 | | #[structopt(short, long)] [INFO] [stdout] 19 | | color: 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/opt.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | / /// Directories to be filtered out [INFO] [stdout] 26 | | #[structopt(short = "f", long = "filter", use_delimiter = true)] [INFO] [stdout] 27 | | filter: Vec, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/opt.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | / /// Prints color, only supports green, blue and red [INFO] [stdout] 18 | | #[structopt(short, long)] [INFO] [stdout] 19 | | color: 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/opt.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | / /// Directories to be filtered out [INFO] [stdout] 26 | | #[structopt(short = "f", long = "filter", use_delimiter = true)] [INFO] [stdout] 27 | | filter: Vec, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rptree` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rptree` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b60eab4855783ae1668cc079621085de417b3414b550ef0efa2114a1dfd0118c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b60eab4855783ae1668cc079621085de417b3414b550ef0efa2114a1dfd0118c", kill_on_drop: false }` [INFO] [stdout] b60eab4855783ae1668cc079621085de417b3414b550ef0efa2114a1dfd0118c