[INFO] fetching crate uuid-tools 0.2.0... [INFO] checking uuid-tools-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate uuid-tools 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate uuid-tools 0.2.0 [INFO] finished tweaking crates.io crate uuid-tools 0.2.0 [INFO] tweaked toml for crates.io crate uuid-tools 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate uuid-tools 0.2.0 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 uuid-tools 0.2.0 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] 05f20fbd4c6eb29b5ec3d19cc4443cad2a1183c90d00a868eed354b0362b8c2f [INFO] running `Command { std: "docker" "start" "-a" "05f20fbd4c6eb29b5ec3d19cc4443cad2a1183c90d00a868eed354b0362b8c2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05f20fbd4c6eb29b5ec3d19cc4443cad2a1183c90d00a868eed354b0362b8c2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05f20fbd4c6eb29b5ec3d19cc4443cad2a1183c90d00a868eed354b0362b8c2f", kill_on_drop: false }` [INFO] [stdout] 05f20fbd4c6eb29b5ec3d19cc4443cad2a1183c90d00a868eed354b0362b8c2f [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] 07a1011b9142ad9f37a5ab52b7373b41515a1112766b2d17de5c12cbb7d79232 [INFO] running `Command { std: "docker" "start" "-a" "07a1011b9142ad9f37a5ab52b7373b41515a1112766b2d17de5c12cbb7d79232", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling mac_address v1.0.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking md5 v0.6.1 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.9 [INFO] [stderr] Checking structopt v0.3.16 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking uuid-tools v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/uuid/main.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 89 | / /// Interface name from which to obtain the the mac address for generating [INFO] [stdout] 90 | | /// v1 NodeID + Timestamp uuids [INFO] [stdout] 91 | | /// [INFO] [stdout] 92 | | /// If omitted, the mac address of a non-local-loopback interface is used [INFO] [stdout] 93 | | #[structopt(long)] [INFO] [stdout] 94 | | mac_interface: 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 `uuid-tools` (bin "uuid" test) due to 1 previous error [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/uuid/main.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 89 | / /// Interface name from which to obtain the the mac address for generating [INFO] [stdout] 90 | | /// v1 NodeID + Timestamp uuids [INFO] [stdout] 91 | | /// [INFO] [stdout] 92 | | /// If omitted, the mac address of a non-local-loopback interface is used [INFO] [stdout] 93 | | #[structopt(long)] [INFO] [stdout] 94 | | mac_interface: 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 `uuid-tools` (bin "uuid") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "07a1011b9142ad9f37a5ab52b7373b41515a1112766b2d17de5c12cbb7d79232", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07a1011b9142ad9f37a5ab52b7373b41515a1112766b2d17de5c12cbb7d79232", kill_on_drop: false }` [INFO] [stdout] 07a1011b9142ad9f37a5ab52b7373b41515a1112766b2d17de5c12cbb7d79232