[INFO] fetching crate math-text-transform 0.1.1...
[INFO] testing math-text-transform-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate math-text-transform 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate math-text-transform 0.1.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 760f487ffc458480e2a6de74088d8d4bc8ff51f5af406cf0da82f78a2c4f6a6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "760f487ffc458480e2a6de74088d8d4bc8ff51f5af406cf0da82f78a2c4f6a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "760f487ffc458480e2a6de74088d8d4bc8ff51f5af406cf0da82f78a2c4f6a6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760f487ffc458480e2a6de74088d8d4bc8ff51f5af406cf0da82f78a2c4f6a6b", kill_on_drop: false }`
[INFO] [stdout] 760f487ffc458480e2a6de74088d8d4bc8ff51f5af406cf0da82f78a2c4f6a6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d3fec6ee4843b5f1d6a2dcb7095688d488e4f2fbe4999b78a6ce5e600ad49e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d3fec6ee4843b5f1d6a2dcb7095688d488e4f2fbe4999b78a6ce5e600ad49e2", 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 1.21s
[INFO] running `Command { std: "docker" "inspect" "5d3fec6ee4843b5f1d6a2dcb7095688d488e4f2fbe4999b78a6ce5e600ad49e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3fec6ee4843b5f1d6a2dcb7095688d488e4f2fbe4999b78a6ce5e600ad49e2", kill_on_drop: false }`
[INFO] [stdout] 5d3fec6ee4843b5f1d6a2dcb7095688d488e4f2fbe4999b78a6ce5e600ad49e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9647b94cdd2d0ef7010f3ae5cf1cdc5284ce57300531813e6a62e8a2e10dc81d
[INFO] running `Command { std: "docker" "start" "-a" "9647b94cdd2d0ef7010f3ae5cf1cdc5284ce57300531813e6a62e8a2e10dc81d", 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 test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "9647b94cdd2d0ef7010f3ae5cf1cdc5284ce57300531813e6a62e8a2e10dc81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9647b94cdd2d0ef7010f3ae5cf1cdc5284ce57300531813e6a62e8a2e10dc81d", kill_on_drop: false }`
[INFO] [stdout] 9647b94cdd2d0ef7010f3ae5cf1cdc5284ce57300531813e6a62e8a2e10dc81d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cdfc1e198b9866ccde4ab1a3c8585bf05aefa14946900cddc1582372aa5f358d
[INFO] running `Command { std: "docker" "start" "-a" "cdfc1e198b9866ccde4ab1a3c8585bf05aefa14946900cddc1582372aa5f358d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 13 tests
[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-b39f22de8ad8d83e)
[INFO] [stdout] test tests::to_math_bold_fraktur ... ok
[INFO] [stdout] test tests::to_math_monospace ... ok
[INFO] [stdout] test tests::to_math_sans_serif_italic ... ok
[INFO] [stdout] test tests::to_math_script ... ok
[INFO] [stdout] test tests::to_math_italic ... ok
[INFO] [stdout] test tests::to_math_fraktur ... ok
[INFO] [stdout] test tests::to_math_double_struck ... 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_bold_italic ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/math_text_transform-5411fcc98bb6676f)
[INFO] [stdout] test tests::to_math_sans_serif_bold_italic ... ok
[INFO] [stdout] test tests::to_math_bold_script ... ok
[INFO] [stdout] test tests::to_math_bold ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests math-text-transform
[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 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdfc1e198b9866ccde4ab1a3c8585bf05aefa14946900cddc1582372aa5f358d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdfc1e198b9866ccde4ab1a3c8585bf05aefa14946900cddc1582372aa5f358d", kill_on_drop: false }`
[INFO] [stdout] cdfc1e198b9866ccde4ab1a3c8585bf05aefa14946900cddc1582372aa5f358d