[INFO] fetching crate singleton-attr 0.1.9... [INFO] testing singleton-attr-0.1.9 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate singleton-attr 0.1.9 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate singleton-attr 0.1.9 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate singleton-attr 0.1.9 [INFO] tweaked toml for crates.io crate singleton-attr 0.1.9 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate singleton-attr 0.1.9 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate singleton-attr 0.1.9 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded singleton-attr-proc-macro v0.1.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7342392b326d7a3ceb008d7c012b6ed2ea03df92c650fd0db5804f4edb783aba [INFO] running `Command { std: "docker" "start" "-a" "7342392b326d7a3ceb008d7c012b6ed2ea03df92c650fd0db5804f4edb783aba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7342392b326d7a3ceb008d7c012b6ed2ea03df92c650fd0db5804f4edb783aba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7342392b326d7a3ceb008d7c012b6ed2ea03df92c650fd0db5804f4edb783aba", kill_on_drop: false }` [INFO] [stdout] 7342392b326d7a3ceb008d7c012b6ed2ea03df92c650fd0db5804f4edb783aba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 9f1a40c3264d982e01fd2679eade1d753761264e927085fdf4d81cd7bba8b110 [INFO] running `Command { std: "docker" "start" "-a" "9f1a40c3264d982e01fd2679eade1d753761264e927085fdf4d81cd7bba8b110", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.75 [INFO] [stderr] Compiling singleton-attr-proc-macro v0.1.8 [INFO] [stderr] Compiling singleton-attr v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.71s [INFO] running `Command { std: "docker" "inspect" "9f1a40c3264d982e01fd2679eade1d753761264e927085fdf4d81cd7bba8b110", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f1a40c3264d982e01fd2679eade1d753761264e927085fdf4d81cd7bba8b110", kill_on_drop: false }` [INFO] [stdout] 9f1a40c3264d982e01fd2679eade1d753761264e927085fdf4d81cd7bba8b110 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 15b260fe5bb85a0d0288fbb0164e7f2c94b44d9348a078eb45eb7c4a89df1fcb [INFO] running `Command { std: "docker" "start" "-a" "15b260fe5bb85a0d0288fbb0164e7f2c94b44d9348a078eb45eb7c4a89df1fcb", kill_on_drop: false }` [INFO] [stderr] Compiling singleton-attr v0.1.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time` [INFO] [stdout] --> examples/03_safe_threads.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use std::{thread, time}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand` [INFO] [stdout] --> examples/03_safe_threads.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 26 | config.a = rand::random::(); [INFO] [stdout] | ^^^^ use of unresolved module or unlinked crate `rand` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand` [INFO] [stdout] --> examples/03_safe_threads.rs:27:20 [INFO] [stdout] | [INFO] [stdout] 27 | config.b = rand::random::(); [INFO] [stdout] | ^^^^ use of unresolved module or unlinked crate `rand` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Singleton` [INFO] [stdout] --> examples/03_safe_threads.rs:3:29 [INFO] [stdout] | [INFO] [stdout] 3 | traits::{SafeSingleton, Singleton}, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `singleton-attr` (example "03_safe_threads") due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `time` [INFO] [stdout] --> examples/02_threads.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{thread, time}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand` [INFO] [stdout] --> examples/02_threads.rs:20:20 [INFO] [stdout] | [INFO] [stdout] 20 | config.a = rand::random::(); [INFO] [stdout] | ^^^^ use of unresolved module or unlinked crate `rand` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand` [INFO] [stdout] --> examples/02_threads.rs:21:20 [INFO] [stdout] | [INFO] [stdout] 21 | config.b = rand::random::(); [INFO] [stdout] | ^^^^ use of unresolved module or unlinked crate `rand` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `singleton-attr` (example "02_threads") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "15b260fe5bb85a0d0288fbb0164e7f2c94b44d9348a078eb45eb7c4a89df1fcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15b260fe5bb85a0d0288fbb0164e7f2c94b44d9348a078eb45eb7c4a89df1fcb", kill_on_drop: false }` [INFO] [stdout] 15b260fe5bb85a0d0288fbb0164e7f2c94b44d9348a078eb45eb7c4a89df1fcb