[INFO] fetching crate preserves-schema 6.0.0-rc.6... [INFO] checking preserves-schema-6.0.0-rc.6 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate preserves-schema 6.0.0-rc.6 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate preserves-schema 6.0.0-rc.6 [INFO] finished tweaking crates.io crate preserves-schema 6.0.0-rc.6 [INFO] tweaked toml for crates.io crate preserves-schema 6.0.0-rc.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate preserves-schema 6.0.0-rc.6 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 preserves-schema 6.0.0-rc.6 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] [stderr] Blocking waiting for file lock on package cache [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] aa8eaacd5585e31edd07e0cdfc27b29880b11bf6cb1327cbee31d58c488dfdd0 [INFO] running `Command { std: "docker" "start" "-a" "aa8eaacd5585e31edd07e0cdfc27b29880b11bf6cb1327cbee31d58c488dfdd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa8eaacd5585e31edd07e0cdfc27b29880b11bf6cb1327cbee31d58c488dfdd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa8eaacd5585e31edd07e0cdfc27b29880b11bf6cb1327cbee31d58c488dfdd0", kill_on_drop: false }` [INFO] [stdout] aa8eaacd5585e31edd07e0cdfc27b29880b11bf6cb1327cbee31d58c488dfdd0 [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] 8bab9242fe34a1c4b8e22fffa004ac1921fa64c4811f0a582ac4093e0e812543 [INFO] running `Command { std: "docker" "start" "-a" "8bab9242fe34a1c4b8e22fffa004ac1921fa64c4811f0a582ac4093e0e812543", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Checking bytemuck v1.16.0 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking convert_case v0.4.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking preserves v5.0.0-rc.7 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking preserves-schema v6.0.0-rc.6 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/preserves-schema-rs.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | / #[structopt(short, long)] [INFO] [stdout] 18 | | output_dir: PathBuf, [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/bin/preserves-schema-rs.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | / #[structopt(short, long)] [INFO] [stdout] 21 | | prefix: String, [INFO] [stdout] | |__________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/preserves-schema-rs.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / #[structopt(long)] [INFO] [stdout] 24 | | support_crate: Option, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/preserves-schema-rs.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | / #[structopt(long)] [INFO] [stdout] 27 | | module: Vec, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/preserves-schema-rs.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / #[structopt(long)] [INFO] [stdout] 30 | | xref: Vec, [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/preserves-schema-rs.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | input_glob: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `preserves-schema` (bin "preserves-schema-rs") due to 6 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/bin/preserves-schema-rs.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | / #[structopt(short, long)] [INFO] [stdout] 18 | | output_dir: PathBuf, [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/bin/preserves-schema-rs.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | / #[structopt(short, long)] [INFO] [stdout] 21 | | prefix: String, [INFO] [stdout] | |__________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/preserves-schema-rs.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | / #[structopt(long)] [INFO] [stdout] 24 | | support_crate: Option, [INFO] [stdout] | |_________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/preserves-schema-rs.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | / #[structopt(long)] [INFO] [stdout] 27 | | module: Vec, [INFO] [stdout] | |_______________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/preserves-schema-rs.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / #[structopt(long)] [INFO] [stdout] 30 | | xref: Vec, [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/preserves-schema-rs.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | input_glob: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `preserves-schema` (bin "preserves-schema-rs" test) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "8bab9242fe34a1c4b8e22fffa004ac1921fa64c4811f0a582ac4093e0e812543", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bab9242fe34a1c4b8e22fffa004ac1921fa64c4811f0a582ac4093e0e812543", kill_on_drop: false }` [INFO] [stdout] 8bab9242fe34a1c4b8e22fffa004ac1921fa64c4811f0a582ac4093e0e812543