[INFO] fetching crate sbp2json 6.3.2... [INFO] checking sbp2json-6.3.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate sbp2json 6.3.2 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate sbp2json 6.3.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate sbp2json 6.3.2 [INFO] tweaked toml for crates.io crate sbp2json 6.3.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sbp2json 6.3.2 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 sbp2json 6.3.2 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bc2e153eec5934685a6783b3b15c779e14777f9baf6fd7a2c5f2f443e6980762 [INFO] running `Command { std: "docker" "start" "-a" "bc2e153eec5934685a6783b3b15c779e14777f9baf6fd7a2c5f2f443e6980762", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc2e153eec5934685a6783b3b15c779e14777f9baf6fd7a2c5f2f443e6980762", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc2e153eec5934685a6783b3b15c779e14777f9baf6fd7a2c5f2f443e6980762", kill_on_drop: false }` [INFO] [stdout] bc2e153eec5934685a6783b3b15c779e14777f9baf6fd7a2c5f2f443e6980762 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f380b9e8f618953bcd30bebf49ad73abb8170d06945c45ff05d97316721605c5 [INFO] running `Command { std: "docker" "start" "-a" "f380b9e8f618953bcd30bebf49ad73abb8170d06945c45ff05d97316721605c5", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Compiling iana-time-zone v0.1.60 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling cc v1.0.97 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking dencode v0.3.0 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking either v1.11.0 [INFO] [stderr] Checking predicates-core v1.0.3 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking termtree v0.2.4 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking predicates-tree v1.0.4 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Compiling libmimalloc-sys v0.1.37 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Compiling chrono v0.4.38 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking mimalloc v0.1.41 [INFO] [stderr] Compiling vergen v3.2.0 [INFO] [stderr] Compiling sbp2json v6.3.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling clap_derive v3.2.25 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking predicates v2.1.1 [INFO] [stderr] Checking assert_cmd v1.0.8 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking serde-big-array v0.5.1 [INFO] [stderr] Checking assert-json-diff v2.0.2 [INFO] [stderr] Checking sbp v6.3.2 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/sbp2json.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | input: Option, [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/sbp2json.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | output: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sbp2json` (bin "sbp2json" 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/bin/json2sbp.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | input: Option, [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/json2sbp.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | output: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sbp2json` (bin "json2sbp" test) due to 2 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/json2json.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | input: Option, [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/json2json.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | output: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/sbp2json.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | input: Option, [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/sbp2json.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | output: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sbp2json` (bin "sbp2json") due to 2 previous errors [INFO] [stderr] error: could not compile `sbp2json` (bin "json2json" test) due to 2 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/json2json.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | input: Option, [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/json2json.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | output: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/json2sbp.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | input: Option, [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/json2sbp.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | output: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sbp2json` (bin "json2json") due to 2 previous errors [INFO] [stderr] error: could not compile `sbp2json` (bin "json2sbp") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "f380b9e8f618953bcd30bebf49ad73abb8170d06945c45ff05d97316721605c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f380b9e8f618953bcd30bebf49ad73abb8170d06945c45ff05d97316721605c5", kill_on_drop: false }` [INFO] [stdout] f380b9e8f618953bcd30bebf49ad73abb8170d06945c45ff05d97316721605c5