[INFO] fetching crate dynfractal 0.1.0...
[INFO] testing dynfractal-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 dynfractal 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate dynfractal 0.1.0
[INFO] finished tweaking crates.io crate dynfractal 0.1.0
[INFO] tweaked toml for crates.io crate dynfractal 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dynfractal 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] crate crates.io crate dynfractal 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rcalc_lib v1.0.0
[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] ec180cad7e7338aebf37708a21a5b9898adb9efdcdc73dfa79a44f5371cd0036
[INFO] running `Command { std: "docker" "start" "-a" "ec180cad7e7338aebf37708a21a5b9898adb9efdcdc73dfa79a44f5371cd0036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec180cad7e7338aebf37708a21a5b9898adb9efdcdc73dfa79a44f5371cd0036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec180cad7e7338aebf37708a21a5b9898adb9efdcdc73dfa79a44f5371cd0036", kill_on_drop: false }`
[INFO] [stdout] ec180cad7e7338aebf37708a21a5b9898adb9efdcdc73dfa79a44f5371cd0036
[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] 3a61d04da5b21396b8e74dda22a30c388f5c57d9aec60ab03234d7a5f7e54edb
[INFO] running `Command { std: "docker" "start" "-a" "3a61d04da5b21396b8e74dda22a30c388f5c57d9aec60ab03234d7a5f7e54edb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ucd-trie v0.1.4
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling text_io v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling rcalc_lib v1.0.0
[INFO] [stderr]    Compiling dynfractal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `break` value
[INFO] [stdout]   --> src/main.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |             break(expr);
[INFO] [stdout]    |                  ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             break(expr);
[INFO] [stdout] 71 +             break expr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `Command { std: "docker" "inspect" "3a61d04da5b21396b8e74dda22a30c388f5c57d9aec60ab03234d7a5f7e54edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a61d04da5b21396b8e74dda22a30c388f5c57d9aec60ab03234d7a5f7e54edb", kill_on_drop: false }`
[INFO] [stdout] 3a61d04da5b21396b8e74dda22a30c388f5c57d9aec60ab03234d7a5f7e54edb
[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] 1cf1757b0de118c742eb24af098c5155e02ccffa7476a6f0c23ea14dd1c1fd39
[INFO] running `Command { std: "docker" "start" "-a" "1cf1757b0de118c742eb24af098c5155e02ccffa7476a6f0c23ea14dd1c1fd39", kill_on_drop: false }`
[INFO] [stderr]    Compiling dynfractal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `break` value
[INFO] [stdout]   --> src/main.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |             break(expr);
[INFO] [stdout]    |                  ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 71 -             break(expr);
[INFO] [stdout] 71 +             break expr;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "1cf1757b0de118c742eb24af098c5155e02ccffa7476a6f0c23ea14dd1c1fd39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf1757b0de118c742eb24af098c5155e02ccffa7476a6f0c23ea14dd1c1fd39", kill_on_drop: false }`
[INFO] [stdout] 1cf1757b0de118c742eb24af098c5155e02ccffa7476a6f0c23ea14dd1c1fd39
[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] d511a4aa482870bae7a0468de590f3678b8458fe91f18736a0cacba5791792f2
[INFO] running `Command { std: "docker" "start" "-a" "d511a4aa482870bae7a0468de590f3678b8458fe91f18736a0cacba5791792f2", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `break` value
[INFO] [stderr]   --> src/main.rs:71:18
[INFO] [stderr]    |
[INFO] [stderr] 71 |             break(expr);
[INFO] [stderr]    |                  ^    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 71 -             break(expr);
[INFO] [stderr] 71 +             break expr;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `dynfractal` (bin "dynfractal" test) generated 1 warning (run `cargo fix --bin "dynfractal" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/dynfractal-e1ff6654b933fb19)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d511a4aa482870bae7a0468de590f3678b8458fe91f18736a0cacba5791792f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d511a4aa482870bae7a0468de590f3678b8458fe91f18736a0cacba5791792f2", kill_on_drop: false }`
[INFO] [stdout] d511a4aa482870bae7a0468de590f3678b8458fe91f18736a0cacba5791792f2