[INFO] fetching crate schemes 0.0.1-BETA... [INFO] checking schemes-0.0.1-BETA against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate schemes 0.0.1-BETA into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate schemes 0.0.1-BETA [INFO] finished tweaking crates.io crate schemes 0.0.1-BETA [INFO] tweaked toml for crates.io crate schemes 0.0.1-BETA written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate schemes 0.0.1-BETA 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 schemes 0.0.1-BETA 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 102782f124221095708c48ee4372b0b355bdff3f0a872e9f376137125f36a29e [INFO] running `Command { std: "docker" "start" "-a" "102782f124221095708c48ee4372b0b355bdff3f0a872e9f376137125f36a29e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "102782f124221095708c48ee4372b0b355bdff3f0a872e9f376137125f36a29e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "102782f124221095708c48ee4372b0b355bdff3f0a872e9f376137125f36a29e", kill_on_drop: false }` [INFO] [stdout] 102782f124221095708c48ee4372b0b355bdff3f0a872e9f376137125f36a29e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 71b8f5f9bba4b0e3343e3234b08f1eca900db06a5aa2670b73ea459024ccf1db [INFO] running `Command { std: "docker" "start" "-a" "71b8f5f9bba4b0e3343e3234b08f1eca900db06a5aa2670b73ea459024ccf1db", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking num-traits v0.2.15 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking proptest v1.0.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling clap_derive v3.2.7 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking clap v3.2.8 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking schemes v0.0.1-BETA (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/grep.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | regex: 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] --> examples/grep.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | paths_to_ignore: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/filetree/search.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | regex: &Regex, [INFO] [stdout] | ^^^^^^ the lifetime is elided here [INFO] [stdout] 21 | ) -> BoxFuture>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 21 | ) -> BoxFuture<'_, std::io::Result>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `schemes` (example "grep") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "71b8f5f9bba4b0e3343e3234b08f1eca900db06a5aa2670b73ea459024ccf1db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71b8f5f9bba4b0e3343e3234b08f1eca900db06a5aa2670b73ea459024ccf1db", kill_on_drop: false }` [INFO] [stdout] 71b8f5f9bba4b0e3343e3234b08f1eca900db06a5aa2670b73ea459024ccf1db