[INFO] updating cached repository henryaj/penny [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/henryaj/penny [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/henryaj/penny" "work/ex/beta-1.38-1/sources/1.37.0/gh/henryaj/penny"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/henryaj/penny'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/henryaj/penny" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/henryaj/penny"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/henryaj/penny'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f2ef0bd34b10d128c5ad51dc0e5cc66608caea30 [INFO] sha for GitHub repo henryaj/penny: f2ef0bd34b10d128c5ad51dc0e5cc66608caea30 [INFO] validating manifest of henryaj/penny on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of henryaj/penny on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing henryaj/penny [INFO] finished frobbing henryaj/penny [INFO] frobbed toml for henryaj/penny written to work/ex/beta-1.38-1/sources/1.37.0/gh/henryaj/penny/Cargo.toml [INFO] started frobbing henryaj/penny [INFO] finished frobbing henryaj/penny [INFO] frobbed toml for henryaj/penny written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/henryaj/penny/Cargo.toml [INFO] crate henryaj/penny already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing henryaj/penny against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/henryaj/penny:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] e0b99557ca3fdb03bd2b357809d28c4c931876a9929b1662e810114bab2955a2 [INFO] running `"docker" "start" "-a" "e0b99557ca3fdb03bd2b357809d28c4c931876a9929b1662e810114bab2955a2"` [INFO] [stderr] Compiling penny v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:3:50 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn listen_and_serve(port: i32, handle_func: &Fn(TcpStream)) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(TcpStream)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/lib.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | let s = match s { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:3:50 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn listen_and_serve(port: i32, handle_func: &Fn(TcpStream)) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(TcpStream)` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0277]: expected a `std::ops::Fn<(std::net::TcpStream,)>` closure, found `str` [INFO] [stderr] --> src/main.rs:9:26 [INFO] [stderr] | [INFO] [stderr] 9 | listen_and_serve(80, "hello_world") [INFO] [stderr] | ^^^^^^^^^^^^^ expected an `Fn<(std::net::TcpStream,)>` closure, found `str` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::Fn<(std::net::TcpStream,)>` is not implemented for `str` [INFO] [stderr] = note: required for the cast to the object type `dyn std::ops::Fn(std::net::TcpStream)` [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stderr] --> src/main.rs:9:26 [INFO] [stderr] | [INFO] [stderr] 9 | listen_and_serve(80, "hello_world") [INFO] [stderr] | ^^^^^^^^^^^^^ doesn't have a size known at compile-time [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::marker::Sized` is not implemented for `str` [INFO] [stderr] = note: to learn more, visit [INFO] [stderr] = note: required for the cast to the object type `dyn std::ops::Fn(std::net::TcpStream)` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `penny`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "e0b99557ca3fdb03bd2b357809d28c4c931876a9929b1662e810114bab2955a2"` [INFO] running `"docker" "rm" "-f" "e0b99557ca3fdb03bd2b357809d28c4c931876a9929b1662e810114bab2955a2"` [INFO] [stdout] e0b99557ca3fdb03bd2b357809d28c4c931876a9929b1662e810114bab2955a2