[INFO] fetching crate npkg 0.1.2... [INFO] checking npkg-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate npkg 0.1.2 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate npkg 0.1.2 [INFO] finished tweaking crates.io crate npkg 0.1.2 [INFO] tweaked toml for crates.io crate npkg 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate npkg 0.1.2 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 npkg 0.1.2 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 39bc35b167117f59a003df71d164aa4d8ae67d9410af60e6385391cef1d3b5cd [INFO] running `Command { std: "docker" "start" "-a" "39bc35b167117f59a003df71d164aa4d8ae67d9410af60e6385391cef1d3b5cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39bc35b167117f59a003df71d164aa4d8ae67d9410af60e6385391cef1d3b5cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39bc35b167117f59a003df71d164aa4d8ae67d9410af60e6385391cef1d3b5cd", kill_on_drop: false }` [INFO] [stdout] 39bc35b167117f59a003df71d164aa4d8ae67d9410af60e6385391cef1d3b5cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4194d70c01a556b06cd1c736d3a5ac3dc74055bd99d8070b4e19d9b84d9bafbb [INFO] running `Command { std: "docker" "start" "-a" "4194d70c01a556b06cd1c736d3a5ac3dc74055bd99d8070b4e19d9b84d9bafbb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.65 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking countme v2.0.4 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking text-size v1.1.0 [INFO] [stderr] Checking alloc-no-stdlib v2.0.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking alloc-stdlib v0.2.1 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling curl v0.4.43 [INFO] [stderr] Checking brotli-decompressor v2.3.2 [INFO] [stderr] Checking clap_lex v0.2.3 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking owo-colors v3.4.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking object v0.28.4 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling libz-sys v1.1.5 [INFO] [stderr] Compiling curl-sys v0.4.53+curl-7.82.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking rowan v0.12.6 [INFO] [stderr] Checking brotli v3.3.4 [INFO] [stderr] Checking cbitset v0.2.0 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.2.6 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking clap v3.2.6 [INFO] [stderr] Checking smol_str v0.1.21 [INFO] [stderr] Checking bimap v0.6.2 [INFO] [stderr] Checking rnix v0.10.1 [INFO] [stderr] Checking nix-editor v0.2.11 [INFO] [stderr] Checking npkg v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/npkgcmd/run.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | 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] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/npkgcmd/run.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | packages: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `npkg` (bin "npkg" 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/npkgcmd/run.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | 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] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/npkgcmd/run.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | packages: Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `npkg` (bin "npkg") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "4194d70c01a556b06cd1c736d3a5ac3dc74055bd99d8070b4e19d9b84d9bafbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4194d70c01a556b06cd1c736d3a5ac3dc74055bd99d8070b4e19d9b84d9bafbb", kill_on_drop: false }` [INFO] [stdout] 4194d70c01a556b06cd1c736d3a5ac3dc74055bd99d8070b4e19d9b84d9bafbb