[INFO] cloning repository https://github.com/Basillica/rust-extension [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Basillica/rust-extension" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasillica%2Frust-extension", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasillica%2Frust-extension'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ae314b019be4458bec49e9712ab77337d4ef46ab [INFO] checking Basillica/rust-extension 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%2FBasillica%2Frust-extension" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Basillica/rust-extension [INFO] finished tweaking git repo https://github.com/Basillica/rust-extension [INFO] tweaked toml for git repo https://github.com/Basillica/rust-extension written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Basillica/rust-extension 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/Basillica/rust-extension 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-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] e15dd2d1e70a6dba6f97a0bcb6fd7144df5ea275f4e16f88aaa07a98683e08b6 [INFO] running `Command { std: "docker" "start" "-a" "e15dd2d1e70a6dba6f97a0bcb6fd7144df5ea275f4e16f88aaa07a98683e08b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e15dd2d1e70a6dba6f97a0bcb6fd7144df5ea275f4e16f88aaa07a98683e08b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e15dd2d1e70a6dba6f97a0bcb6fd7144df5ea275f4e16f88aaa07a98683e08b6", kill_on_drop: false }` [INFO] [stdout] e15dd2d1e70a6dba6f97a0bcb6fd7144df5ea275f4e16f88aaa07a98683e08b6 [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] e6fc1cf78cc00bb1b55af396bdd2859e5159f0ba3f9e3c0a0a12d63e2b4c5e53 [INFO] running `Command { std: "docker" "start" "-a" "e6fc1cf78cc00bb1b55af396bdd2859e5159f0ba3f9e3c0a0a12d63e2b4c5e53", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling indoc v2.0.5 [INFO] [stderr] Checking unindent v0.2.3 [INFO] [stderr] Compiling pyo3-build-config v0.22.3 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling pyo3-macros-backend v0.22.3 [INFO] [stderr] Compiling pyo3-ffi v0.22.3 [INFO] [stderr] Compiling pyo3 v0.22.3 [INFO] [stderr] Compiling pyo3-macros v0.22.3 [INFO] [stderr] Checking matrix_mul v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/lib.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 109 | struct ClassOne { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 110 | id: i32 [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:125:18 [INFO] [stdout] | [INFO] [stdout] 125 | struct TupleClas(String); [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:20:28 [INFO] [stdout] | [INFO] [stdout] 20 | fn triple(x: usize) -> usize { [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/lib.rs:25:21 [INFO] [stdout] | [INFO] [stdout] 25 | fn version() -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | fn return_null() -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:41:37 [INFO] [stdout] | [INFO] [stdout] 41 | fn return_eins(num: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:48:50 [INFO] [stdout] | [INFO] [stdout] 48 | fn return_either_or(num: Option) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/lib.rs:110:5 [INFO] [stdout] | [INFO] [stdout] 109 | struct ClassOne { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 110 | id: i32 [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:125:18 [INFO] [stdout] | [INFO] [stdout] 125 | struct TupleClas(String); [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:20:28 [INFO] [stdout] | [INFO] [stdout] 20 | fn triple(x: usize) -> usize { [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/lib.rs:25:21 [INFO] [stdout] | [INFO] [stdout] 25 | fn version() -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `matrix_mul` (lib test) due to 5 previous errors; 2 warnings emitted [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | fn return_null() -> usize { [INFO] [stdout] | ^^^^^ [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/lib.rs:41:37 [INFO] [stdout] | [INFO] [stdout] 41 | fn return_eins(num: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:48:50 [INFO] [stdout] | [INFO] [stdout] 48 | fn return_either_or(num: Option) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `matrix_mul` (lib) due to 5 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e6fc1cf78cc00bb1b55af396bdd2859e5159f0ba3f9e3c0a0a12d63e2b4c5e53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6fc1cf78cc00bb1b55af396bdd2859e5159f0ba3f9e3c0a0a12d63e2b4c5e53", kill_on_drop: false }` [INFO] [stdout] e6fc1cf78cc00bb1b55af396bdd2859e5159f0ba3f9e3c0a0a12d63e2b4c5e53