[INFO] cloning repository https://github.com/Timmmm/json2cbor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Timmmm/json2cbor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fjson2cbor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fjson2cbor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 306623a2b4079d57eacca707f65f76cc8dd4fe0c [INFO] checking Timmmm/json2cbor against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimmmm%2Fjson2cbor" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Timmmm/json2cbor [INFO] finished tweaking git repo https://github.com/Timmmm/json2cbor [INFO] tweaked toml for git repo https://github.com/Timmmm/json2cbor written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Timmmm/json2cbor 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 git repo https://github.com/Timmmm/json2cbor 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1dda2a9fa5410eae93f4f760c7648f5b3510ac3b21fb8dd5d68942c2c790a593 [INFO] running `Command { std: "docker" "start" "-a" "1dda2a9fa5410eae93f4f760c7648f5b3510ac3b21fb8dd5d68942c2c790a593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1dda2a9fa5410eae93f4f760c7648f5b3510ac3b21fb8dd5d68942c2c790a593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1dda2a9fa5410eae93f4f760c7648f5b3510ac3b21fb8dd5d68942c2c790a593", kill_on_drop: false }` [INFO] [stdout] 1dda2a9fa5410eae93f4f760c7648f5b3510ac3b21fb8dd5d68942c2c790a593 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 39e11a8f43c1f4e642ca0c7fd40ff15d08865ab4629b27ad9b80ed80c364902b [INFO] running `Command { std: "docker" "start" "-a" "39e11a8f43c1f4e642ca0c7fd40ff15d08865ab4629b27ad9b80ed80c364902b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Compiling anyhow v1.0.62 [INFO] [stderr] Checking os_str_bytes v6.3.0 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking once_cell v1.13.1 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking serde-transcode v1.1.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.2.17 [INFO] [stderr] Checking clap v3.2.17 [INFO] [stderr] Checking json2cbor v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/cbor2json.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | 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 `json2cbor` (bin "cbor2json" test) due to 1 previous error [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/json2cbor.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | 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/bin/cbor2json.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | 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 `json2cbor` (bin "json2cbor") due to 1 previous error [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/bin/json2cbor.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | 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 `json2cbor` (bin "cbor2json") due to 1 previous error [INFO] [stderr] error: could not compile `json2cbor` (bin "json2cbor" test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "39e11a8f43c1f4e642ca0c7fd40ff15d08865ab4629b27ad9b80ed80c364902b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39e11a8f43c1f4e642ca0c7fd40ff15d08865ab4629b27ad9b80ed80c364902b", kill_on_drop: false }` [INFO] [stdout] 39e11a8f43c1f4e642ca0c7fd40ff15d08865ab4629b27ad9b80ed80c364902b