[INFO] fetching crate dynfractal 0.1.0...
[INFO] testing dynfractal-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate dynfractal 0.1.0 into /workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dynfractal 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd6f6683da6fd3cba78542fb5f26cb82560318bb6d9611853a32579c25de92c0
[INFO] running `Command { std: "docker" "start" "-a" "bd6f6683da6fd3cba78542fb5f26cb82560318bb6d9611853a32579c25de92c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd6f6683da6fd3cba78542fb5f26cb82560318bb6d9611853a32579c25de92c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6f6683da6fd3cba78542fb5f26cb82560318bb6d9611853a32579c25de92c0", kill_on_drop: false }`
[INFO] [stdout] bd6f6683da6fd3cba78542fb5f26cb82560318bb6d9611853a32579c25de92c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2545dbcbe655c4cf931bd49fd1666aec336f458ed8a430519dcd49bafe02ea6f
[INFO] running `Command { std: "docker" "start" "-a" "2545dbcbe655c4cf931bd49fd1666aec336f458ed8a430519dcd49bafe02ea6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling ucd-trie v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling dtoa v0.4.8
[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 pest_generator v2.1.3
[INFO] [stderr]    Compiling regex v1.6.0
[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)]` (part of `#[warn(unused)]`) 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 10.00s
[INFO] running `Command { std: "docker" "inspect" "2545dbcbe655c4cf931bd49fd1666aec336f458ed8a430519dcd49bafe02ea6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2545dbcbe655c4cf931bd49fd1666aec336f458ed8a430519dcd49bafe02ea6f", kill_on_drop: false }`
[INFO] [stdout] 2545dbcbe655c4cf931bd49fd1666aec336f458ed8a430519dcd49bafe02ea6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66e5195434ff8691a986fcf89e3e7d285ce8bd296bbe7a0d099513c6882d72b0
[INFO] running `Command { std: "docker" "start" "-a" "66e5195434ff8691a986fcf89e3e7d285ce8bd296bbe7a0d099513c6882d72b0", 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)]` (part of `#[warn(unused)]`) 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 0.36s
[INFO] running `Command { std: "docker" "inspect" "66e5195434ff8691a986fcf89e3e7d285ce8bd296bbe7a0d099513c6882d72b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e5195434ff8691a986fcf89e3e7d285ce8bd296bbe7a0d099513c6882d72b0", kill_on_drop: false }`
[INFO] [stdout] 66e5195434ff8691a986fcf89e3e7d285ce8bd296bbe7a0d099513c6882d72b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0111c17aeea69f3acfe7aa5b94cdb6992643ea0775ac3da844bdd8df8929c759
[INFO] running `Command { std: "docker" "start" "-a" "0111c17aeea69f3acfe7aa5b94cdb6992643ea0775ac3da844bdd8df8929c759", 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)]` (part of `#[warn(unused)]`) 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" -p dynfractal --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dynfractal-0af133b6d44e08ac)
[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" "0111c17aeea69f3acfe7aa5b94cdb6992643ea0775ac3da844bdd8df8929c759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0111c17aeea69f3acfe7aa5b94cdb6992643ea0775ac3da844bdd8df8929c759", kill_on_drop: false }`
[INFO] [stdout] 0111c17aeea69f3acfe7aa5b94cdb6992643ea0775ac3da844bdd8df8929c759