[INFO] fetching crate jyx 0.3.1... [INFO] checking jyx-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate jyx 0.3.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate jyx 0.3.1 [INFO] finished tweaking crates.io crate jyx 0.3.1 [INFO] tweaked toml for crates.io crate jyx 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate jyx 0.3.1 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 jyx 0.3.1 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-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] c30bec18cb1db3cd7618aaf6ea1285efadf7e522db838a99adf845445ce4d9f9 [INFO] running `Command { std: "docker" "start" "-a" "c30bec18cb1db3cd7618aaf6ea1285efadf7e522db838a99adf845445ce4d9f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c30bec18cb1db3cd7618aaf6ea1285efadf7e522db838a99adf845445ce4d9f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c30bec18cb1db3cd7618aaf6ea1285efadf7e522db838a99adf845445ce4d9f9", kill_on_drop: false }` [INFO] [stdout] c30bec18cb1db3cd7618aaf6ea1285efadf7e522db838a99adf845445ce4d9f9 [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] bfe3fccb2ddeadbef700ac77eb2d96bf15756d981ed4899ee0bb758ee3a30d14 [INFO] running `Command { std: "docker" "start" "-a" "bfe3fccb2ddeadbef700ac77eb2d96bf15756d981ed4899ee0bb758ee3a30d14", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Compiling syn v1.0.4 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling cc v1.0.40 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling ucd-trie v0.1.2 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling pest v2.1.1 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Compiling pest_meta v2.1.1 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking xml-rs v0.8.0 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking backtrace v0.3.35 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking serde-xml-rs v0.3.1 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking toml v0.5.3 [INFO] [stderr] Checking unstructured v0.3.1 [INFO] [stderr] Checking serde_yaml v0.8.9 [INFO] [stderr] Checking jyx v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[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] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(StructOpt, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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 `jyx` (bin "jyx" test) due to 2 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/args.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[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] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/args.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(StructOpt, Debug)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [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 `jyx` (bin "jyx") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "bfe3fccb2ddeadbef700ac77eb2d96bf15756d981ed4899ee0bb758ee3a30d14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfe3fccb2ddeadbef700ac77eb2d96bf15756d981ed4899ee0bb758ee3a30d14", kill_on_drop: false }` [INFO] [stdout] bfe3fccb2ddeadbef700ac77eb2d96bf15756d981ed4899ee0bb758ee3a30d14