[INFO] cloning repository https://github.com/austenadler/jsoncutil [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/austenadler/jsoncutil" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustenadler%2Fjsoncutil", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustenadler%2Fjsoncutil'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b00ba384211f9dcc3cc5a73a33d3a3826a26278 [INFO] checking austenadler/jsoncutil 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%2Faustenadler%2Fjsoncutil" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/austenadler/jsoncutil [INFO] finished tweaking git repo https://github.com/austenadler/jsoncutil [INFO] tweaked toml for git repo https://github.com/austenadler/jsoncutil written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/austenadler/jsoncutil 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/austenadler/jsoncutil 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-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] cabe6caf2bad6254e23475d2878344f4b37e0cefb76d7db68ae0068aacf6df8c [INFO] running `Command { std: "docker" "start" "-a" "cabe6caf2bad6254e23475d2878344f4b37e0cefb76d7db68ae0068aacf6df8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cabe6caf2bad6254e23475d2878344f4b37e0cefb76d7db68ae0068aacf6df8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cabe6caf2bad6254e23475d2878344f4b37e0cefb76d7db68ae0068aacf6df8c", kill_on_drop: false }` [INFO] [stdout] cabe6caf2bad6254e23475d2878344f4b37e0cefb76d7db68ae0068aacf6df8c [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] 21df37aef9cd622ab18aa35d61e63d6498e2e978840c2d63e007d32a863d9a83 [INFO] running `Command { std: "docker" "start" "-a" "21df37aef9cd622ab18aa35d61e63d6498e2e978840c2d63e007d32a863d9a83", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling serde v1.0.214 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Checking anstyle-query v1.1.1 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking anstyle-parse v0.2.5 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking colorchoice v1.0.2 [INFO] [stderr] Checking anstyle v1.0.8 [INFO] [stderr] Checking clap_lex v0.7.2 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling syn v2.0.85 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Compiling doctest-file v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.132 [INFO] [stderr] Checking oxidized-json-checker v0.3.2 [INFO] [stderr] Checking hashbrown v0.15.0 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Checking indexmap v2.6.0 [INFO] [stderr] Checking clap_builder v4.5.15 [INFO] [stderr] Checking encoding_rs_io v0.1.7 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking filetime v0.2.25 [INFO] [stderr] Checking interprocess v2.2.1 [INFO] [stderr] Checking inotify v0.9.6 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking notify v6.1.1 [INFO] [stderr] Checking notify-debouncer-mini v0.4.1 [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stderr] Checking atomicwrites v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.214 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling clap_derive v4.5.13 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking clap v4.5.16 [INFO] [stderr] Checking strum v0.26.3 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking jsoncutil v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:67:66 [INFO] [stdout] | [INFO] [stdout] 67 | fn from_str(s: &str) -> std::result::Result { [INFO] [stdout] | __________________________________________________________________^ [INFO] [stdout] 68 | | if s == "-" { [INFO] [stdout] 69 | | Ok(Self::Stdio) [INFO] [stdout] 70 | | } else { [INFO] [stdout] ... | [INFO] [stdout] 73 | | } [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: std::result::Result [INFO] [stdout] --> src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | / if s == "-" { [INFO] [stdout] 69 | | Ok(Self::Stdio) [INFO] [stdout] 70 | | } else { [INFO] [stdout] 71 | | PathBuf::from_str(s).map(Self::File) [INFO] [stdout] 72 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:68:21 [INFO] [stdout] | [INFO] [stdout] 68 | if s == "-" { [INFO] [stdout] | _____________________^ [INFO] [stdout] 69 | | Ok(Self::Stdio) [INFO] [stdout] 70 | | } else { [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | Ok(Self::Stdio) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:70:16 [INFO] [stdout] | [INFO] [stdout] 70 | } else { [INFO] [stdout] | ________________^ [INFO] [stdout] 71 | | PathBuf::from_str(s).map(Self::File) [INFO] [stdout] 72 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | PathBuf::from_str(s).map(Self::File) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/lib.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | PathBuf::from_str(s).map(Self::File) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:77:22 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn as_output(&self) -> IoArgRef { [INFO] [stdout] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 77 | pub fn as_output(&self) -> IoArgRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jsoncutil` (lib) due to 7 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "21df37aef9cd622ab18aa35d61e63d6498e2e978840c2d63e007d32a863d9a83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21df37aef9cd622ab18aa35d61e63d6498e2e978840c2d63e007d32a863d9a83", kill_on_drop: false }` [INFO] [stdout] 21df37aef9cd622ab18aa35d61e63d6498e2e978840c2d63e007d32a863d9a83