[INFO] fetching crate math-text-transform 0.1.1...
[INFO] testing math-text-transform-0.1.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate math-text-transform 0.1.1 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate math-text-transform 0.1.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate math-text-transform 0.1.1
[INFO] finished tweaking crates.io crate math-text-transform 0.1.1
[INFO] tweaked toml for crates.io crate math-text-transform 0.1.1 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5badb619b52d7bf203a80c665ab20bd833154c2ad223d533067748eb59bfc896
[INFO] running `Command { std: "docker" "start" "-a" "5badb619b52d7bf203a80c665ab20bd833154c2ad223d533067748eb59bfc896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5badb619b52d7bf203a80c665ab20bd833154c2ad223d533067748eb59bfc896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5badb619b52d7bf203a80c665ab20bd833154c2ad223d533067748eb59bfc896", kill_on_drop: false }`
[INFO] [stdout] 5badb619b52d7bf203a80c665ab20bd833154c2ad223d533067748eb59bfc896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e72ee518f56ffc44be95d803332e609b03996e414e85a7e2ff737acccbbc9d83
[INFO] running `Command { std: "docker" "start" "-a" "e72ee518f56ffc44be95d803332e609b03996e414e85a7e2ff737acccbbc9d83", kill_on_drop: false }`
[INFO] [stderr]    Compiling math-text-transform v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let transform: Box<Fn(&str) -> String> = match variant {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "e72ee518f56ffc44be95d803332e609b03996e414e85a7e2ff737acccbbc9d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72ee518f56ffc44be95d803332e609b03996e414e85a7e2ff737acccbbc9d83", kill_on_drop: false }`
[INFO] [stdout] e72ee518f56ffc44be95d803332e609b03996e414e85a7e2ff737acccbbc9d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73f2d12a06e55f17eb0d7d2a072b96094563408947be15017047d5e7045612b0
[INFO] running `Command { std: "docker" "start" "-a" "73f2d12a06e55f17eb0d7d2a072b96094563408947be15017047d5e7045612b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling math-text-transform v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:73:24
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let transform: Box<Fn(&str) -> String> = match variant {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "73f2d12a06e55f17eb0d7d2a072b96094563408947be15017047d5e7045612b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f2d12a06e55f17eb0d7d2a072b96094563408947be15017047d5e7045612b0", kill_on_drop: false }`
[INFO] [stdout] 73f2d12a06e55f17eb0d7d2a072b96094563408947be15017047d5e7045612b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 382a6be5491e62820166b2daa2eff71876f202c9f0b80feff38854e2fc0bd45f
[INFO] running `Command { std: "docker" "start" "-a" "382a6be5491e62820166b2daa2eff71876f202c9f0b80feff38854e2fc0bd45f", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:73:24
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let transform: Box<Fn(&str) -> String> = match variant {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `math-text-transform` (bin "math-text-transform" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/math_text_transform-755ce318b9fba4b7)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::to_math_bold ... ok
[INFO] [stdout] test tests::to_math_bold_italic ... ok
[INFO] [stdout] test tests::to_math_bold_script ... ok
[INFO] [stdout] test tests::to_math_bold_fraktur ... ok
[INFO] [stdout] test tests::to_math_double_struck ... ok
[INFO] [stdout] test tests::to_math_fraktur ... ok
[INFO] [stdout] test tests::to_math_italic ... ok
[INFO] [stdout] test tests::to_math_monospace ... ok
[INFO] [stdout] test tests::to_math_sans_serif ... ok
[INFO] [stdout] test tests::to_math_sans_serif_bold ... ok
[INFO] [stdout] test tests::to_math_sans_serif_bold_italic ... ok
[INFO] [stdout] test tests::to_math_sans_serif_italic ... ok
[INFO] [stdout] test tests::to_math_script ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/math_text_transform-3cd06b1db6a55faf)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests math-text-transform
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - MathTextTransform (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "382a6be5491e62820166b2daa2eff71876f202c9f0b80feff38854e2fc0bd45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382a6be5491e62820166b2daa2eff71876f202c9f0b80feff38854e2fc0bd45f", kill_on_drop: false }`
[INFO] [stdout] 382a6be5491e62820166b2daa2eff71876f202c9f0b80feff38854e2fc0bd45f