[INFO] fetching crate bernard 0.1.0... [INFO] checking bernard-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate bernard 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate bernard 0.1.0 [INFO] finished tweaking crates.io crate bernard 0.1.0 [INFO] tweaked toml for crates.io crate bernard 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate bernard 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 96 packages to latest compatible versions [INFO] [stderr] Adding eui48 v0.3.2 (available: v1.1.0) [INFO] [stderr] Adding prometheus v0.4.2 (available: v0.14.0) [INFO] [stderr] Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated) [INFO] [stderr] Adding simplelog v0.5.3 (available: v0.12.2) [INFO] [stderr] Adding structopt v0.2.18 (available: v0.3.26) [INFO] [stderr] Adding xml-rs v0.8.28 (available: v1.0.0) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7a4f3e0902f0d15746a7433df4a30e6a062e2c53b683a6615929d8aa4b49dc2d [INFO] running `Command { std: "docker" "start" "-a" "7a4f3e0902f0d15746a7433df4a30e6a062e2c53b683a6615929d8aa4b49dc2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a4f3e0902f0d15746a7433df4a30e6a062e2c53b683a6615929d8aa4b49dc2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a4f3e0902f0d15746a7433df4a30e6a062e2c53b683a6615929d8aa4b49dc2d", kill_on_drop: false }` [INFO] [stdout] 7a4f3e0902f0d15746a7433df4a30e6a062e2c53b683a6615929d8aa4b49dc2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dac4f9bc06c609acec7c0c25f63951676b468e171d28ac5bf5fcc979ce1ac4dc [INFO] running `Command { std: "docker" "start" "-a" "dac4f9bc06c609acec7c0c25f63951676b468e171d28ac5bf5fcc979ce1ac4dc", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Compiling prometheus v0.4.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Checking quick-error v0.2.2 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking xml-rs v0.8.28 [INFO] [stderr] Checking tempfile v3.23.0 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking simplelog v0.5.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking serde_yaml v0.8.26 [INFO] [stderr] Checking eui48 v0.3.2 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking bernard v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:96:10 [INFO] [stdout] | [INFO] [stdout] 96 | #[derive(StructOpt, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bernard` (bin "bernard") due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bernard` (bin "bernard" test) due to 1 previous error; 1 warning emitted [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:96:10 [INFO] [stdout] | [INFO] [stdout] 96 | #[derive(StructOpt, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the derive macro `StructOpt` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dac4f9bc06c609acec7c0c25f63951676b468e171d28ac5bf5fcc979ce1ac4dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dac4f9bc06c609acec7c0c25f63951676b468e171d28ac5bf5fcc979ce1ac4dc", kill_on_drop: false }` [INFO] [stdout] dac4f9bc06c609acec7c0c25f63951676b468e171d28ac5bf5fcc979ce1ac4dc