[INFO] fetching crate slackarc 0.1.0...
[INFO] testing slackarc-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate slackarc 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate slackarc 0.1.0
[INFO] finished tweaking crates.io crate slackarc 0.1.0
[INFO] tweaked toml for crates.io crate slackarc 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slackarc 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 869711bd88b032c09956da27b1b0f3573e4ce370c3f9a904e1878a032a476b11
[INFO] running `Command { std: "docker" "start" "-a" "869711bd88b032c09956da27b1b0f3573e4ce370c3f9a904e1878a032a476b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "869711bd88b032c09956da27b1b0f3573e4ce370c3f9a904e1878a032a476b11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869711bd88b032c09956da27b1b0f3573e4ce370c3f9a904e1878a032a476b11", kill_on_drop: false }`
[INFO] [stdout] 869711bd88b032c09956da27b1b0f3573e4ce370c3f9a904e1878a032a476b11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8375ebbb5639fc453b6d5cf1ec68911662e016120c7429846a69c839e03fd672
[INFO] running `Command { std: "docker" "start" "-a" "8375ebbb5639fc453b6d5cf1ec68911662e016120c7429846a69c839e03fd672", kill_on_drop: false }`
[INFO] [stderr]    Compiling slackarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "8375ebbb5639fc453b6d5cf1ec68911662e016120c7429846a69c839e03fd672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8375ebbb5639fc453b6d5cf1ec68911662e016120c7429846a69c839e03fd672", kill_on_drop: false }`
[INFO] [stdout] 8375ebbb5639fc453b6d5cf1ec68911662e016120c7429846a69c839e03fd672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bd2c5d37e6ce702fe2aedbd53aaab11d174c2d8bde50c36dc82e837d7dae604d
[INFO] running `Command { std: "docker" "start" "-a" "bd2c5d37e6ce702fe2aedbd53aaab11d174c2d8bde50c36dc82e837d7dae604d", kill_on_drop: false }`
[INFO] [stderr]    Compiling slackarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> src/lib.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     use std::sync::Arc;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "bd2c5d37e6ce702fe2aedbd53aaab11d174c2d8bde50c36dc82e837d7dae604d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd2c5d37e6ce702fe2aedbd53aaab11d174c2d8bde50c36dc82e837d7dae604d", kill_on_drop: false }`
[INFO] [stdout] bd2c5d37e6ce702fe2aedbd53aaab11d174c2d8bde50c36dc82e837d7dae604d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] fb38ee9aa5d7308a18e5d17a5c66e4573e31e510dd3135e44ec926e93f2eb5ff
[INFO] running `Command { std: "docker" "start" "-a" "fb38ee9aa5d7308a18e5d17a5c66e4573e31e510dd3135e44ec926e93f2eb5ff", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> src/lib.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     use std::sync::Arc;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `slackarc` (lib test) generated 1 warning (run `cargo fix --lib -p slackarc --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/slackarc-d715c590c60054bc)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_constructs ... ok
[INFO] [stdout] test tests::test_converts_weak ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb38ee9aa5d7308a18e5d17a5c66e4573e31e510dd3135e44ec926e93f2eb5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb38ee9aa5d7308a18e5d17a5c66e4573e31e510dd3135e44ec926e93f2eb5ff", kill_on_drop: false }`
[INFO] [stdout] fb38ee9aa5d7308a18e5d17a5c66e4573e31e510dd3135e44ec926e93f2eb5ff