[INFO] fetching crate crabz 0.10.0... [INFO] checking crabz-0.10.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate crabz 0.10.0 into /workspace/builds/worker-4-tc2/source [INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml [INFO] started tweaking crates.io crate crabz 0.10.0 [INFO] finished tweaking crates.io crate crabz 0.10.0 [INFO] tweaked toml for crates.io crate crabz 0.10.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate crabz 0.10.0 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 crabz 0.10.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e9f3da3add0f41a47fa113efaba90d993ed801cb9435fb99750cdc2adaf47ec3 [INFO] running `Command { std: "docker" "start" "-a" "e9f3da3add0f41a47fa113efaba90d993ed801cb9435fb99750cdc2adaf47ec3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9f3da3add0f41a47fa113efaba90d993ed801cb9435fb99750cdc2adaf47ec3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9f3da3add0f41a47fa113efaba90d993ed801cb9435fb99750cdc2adaf47ec3", kill_on_drop: false }` [INFO] [stdout] e9f3da3add0f41a47fa113efaba90d993ed801cb9435fb99750cdc2adaf47ec3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3124d930e728a584b45064ed8226fa1b13c696b057e238a01286c371c20a14d7 [INFO] running `Command { std: "docker" "start" "-a" "3124d930e728a584b45064ed8226fa1b13c696b057e238a01286c371c20a14d7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling rustversion v1.0.14 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Compiling syn v2.0.53 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cmake v0.1.50 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking core_affinity v0.8.1 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling libz-sys v1.1.15 [INFO] [stderr] Compiling libdeflate-sys v0.12.0 [INFO] [stderr] Compiling libmimalloc-sys v0.1.35 [INFO] [stderr] Checking mimalloc v0.1.39 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Checking libdeflater v0.12.0 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling git-version-macro v0.3.9 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking git-version v0.3.9 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking strum v0.24.1 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking gzp v0.11.3 [INFO] [stderr] Checking crabz v0.10.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `crabz` (bin "crabz" test) due to 1 previous error [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:274:5 [INFO] [stdout] | [INFO] [stdout] 274 | / /// Output path to write to, empty or "-" to write to stdout [INFO] [stdout] 275 | | #[structopt(short, long)] [INFO] [stdout] 276 | | output: Option, [INFO] [stdout] | |___________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [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:274:5 [INFO] [stdout] | [INFO] [stdout] 274 | / /// Output path to write to, empty or "-" to write to stdout [INFO] [stdout] 275 | | #[structopt(short, long)] [INFO] [stdout] 276 | | output: Option, [INFO] [stdout] | |___________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `crabz` (bin "crabz") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "3124d930e728a584b45064ed8226fa1b13c696b057e238a01286c371c20a14d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3124d930e728a584b45064ed8226fa1b13c696b057e238a01286c371c20a14d7", kill_on_drop: false }` [INFO] [stdout] 3124d930e728a584b45064ed8226fa1b13c696b057e238a01286c371c20a14d7