[INFO] updating cached repository CM-Tech/network [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/CM-Tech/network [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/CM-Tech/network" "work/ex/beta-1.38-1/sources/1.37.0/gh/CM-Tech/network"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/CM-Tech/network'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/CM-Tech/network" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CM-Tech/network"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CM-Tech/network'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6c2a7a4c05229e7b6a1b2dfa7f0d4d936d58fdc2 [INFO] sha for GitHub repo CM-Tech/network: 6c2a7a4c05229e7b6a1b2dfa7f0d4d936d58fdc2 [INFO] validating manifest of CM-Tech/network 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 CM-Tech/network 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 CM-Tech/network [INFO] finished frobbing CM-Tech/network [INFO] frobbed toml for CM-Tech/network written to work/ex/beta-1.38-1/sources/1.37.0/gh/CM-Tech/network/Cargo.toml [INFO] started frobbing CM-Tech/network [INFO] finished frobbing CM-Tech/network [INFO] frobbed toml for CM-Tech/network written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CM-Tech/network/Cargo.toml [INFO] crate CM-Tech/network 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] [stderr] Blocking waiting for file lock on package cache [INFO] testing CM-Tech/network 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-2/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/CM-Tech/network:/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] 28289b3f3be9c92e0054ed588304bad6d10d296ba54b50b5db03f40a4bdba51f [INFO] running `"docker" "start" "-a" "28289b3f3be9c92e0054ed588304bad6d10d296ba54b50b5db03f40a4bdba51f"` [INFO] [stderr] Compiling num-traits v0.2.0 [INFO] [stderr] Compiling either v1.4.0 [INFO] [stderr] Compiling x11-dl v2.17.3 [INFO] [stderr] Compiling shared_library v0.1.8 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling crossbeam-epoch v0.3.0 [INFO] [stderr] Compiling rusttype v0.2.3 [INFO] [stderr] Compiling gl_generator v0.6.1 [INFO] [stderr] Compiling gl_generator v0.7.0 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling tempfile v2.2.0 [INFO] [stderr] Compiling itertools v0.5.10 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] warning[E0311]: the parameter type `K` may not live long enough [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19 [INFO] [stderr] | [INFO] [stderr] 81 | match node.force() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding an explicit lifetime bound for `K` [INFO] [stderr] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9... [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | / fn clone_subtree( [INFO] [stderr] 78 | | node: node::NodeRef) [INFO] [stderr] 79 | | -> BTreeMap { [INFO] [stderr] 80 | | [INFO] [stderr] ... | [INFO] [stderr] 136| | } [INFO] [stderr] 137| | } [INFO] [stderr] | |_________^ [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0311]: the parameter type `V` may not live long enough [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19 [INFO] [stderr] | [INFO] [stderr] 81 | match node.force() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider adding an explicit lifetime bound for `V` [INFO] [stderr] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9... [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | / fn clone_subtree( [INFO] [stderr] 78 | | node: node::NodeRef) [INFO] [stderr] 79 | | -> BTreeMap { [INFO] [stderr] 80 | | [INFO] [stderr] ... | [INFO] [stderr] 136| | } [INFO] [stderr] 137| | } [INFO] [stderr] | |_________^ [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling serde_json v1.0.9 [INFO] [stderr] Compiling piston2d-graphics v0.24.0 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling derivative v1.0.0 [INFO] [stderr] Compiling rayon v1.0.0 [INFO] [stderr] Compiling glutin v0.10.1 [INFO] [stderr] Compiling gl v0.7.0 [INFO] [stderr] Compiling gfx_gl v0.4.0 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.14 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling gfx_core v0.8.2 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Compiling dlib v0.3.1 [INFO] [stderr] Compiling wayland-sys v0.9.10 [INFO] [stderr] Compiling wayland-client v0.9.10 [INFO] [stderr] Compiling wayland-protocols v0.9.10 [INFO] [stderr] Compiling wayland-kbd v0.9.1 [INFO] [stderr] Compiling wayland-window v0.8.0 [INFO] [stderr] Compiling winit v0.8.3 [INFO] [stderr] Compiling pistoncore-glutin_window v0.43.0 [INFO] [stderr] Compiling gfx v0.17.1 [INFO] [stderr] Compiling gfx_device_gl v0.15.0 [INFO] [stderr] Compiling piston-gfx_texture v0.31.0 [INFO] [stderr] Compiling piston2d-gfx_graphics v0.48.0 [INFO] [stderr] Compiling piston_window v0.75.0 [INFO] [stderr] Compiling network v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:30:17 [INFO] [stderr] | [INFO] [stderr] 30 | for (_, mut connection) in self.connections.iter_mut() { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 38s [INFO] running `"docker" "inspect" "28289b3f3be9c92e0054ed588304bad6d10d296ba54b50b5db03f40a4bdba51f"` [INFO] running `"docker" "rm" "-f" "28289b3f3be9c92e0054ed588304bad6d10d296ba54b50b5db03f40a4bdba51f"` [INFO] [stdout] 28289b3f3be9c92e0054ed588304bad6d10d296ba54b50b5db03f40a4bdba51f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/CM-Tech/network:/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" "test" "--frozen" "--no-run"` [INFO] [stdout] b2d774cdb5e2a931c7fd932f003710cb8f3bfe2f5d2a421c58dbd32f864a6bfd [INFO] running `"docker" "start" "-a" "b2d774cdb5e2a931c7fd932f003710cb8f3bfe2f5d2a421c58dbd32f864a6bfd"` [INFO] [stderr] Compiling network v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:30:17 [INFO] [stderr] | [INFO] [stderr] 30 | for (_, mut connection) in self.connections.iter_mut() { [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.37s [INFO] running `"docker" "inspect" "b2d774cdb5e2a931c7fd932f003710cb8f3bfe2f5d2a421c58dbd32f864a6bfd"` [INFO] running `"docker" "rm" "-f" "b2d774cdb5e2a931c7fd932f003710cb8f3bfe2f5d2a421c58dbd32f864a6bfd"` [INFO] [stdout] b2d774cdb5e2a931c7fd932f003710cb8f3bfe2f5d2a421c58dbd32f864a6bfd [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/CM-Tech/network:/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" "test" "--frozen"` [INFO] [stdout] 26d7c6476802b49fdfe55c883849035d09b8fff29f41dd050571076a371d5c53 [INFO] running `"docker" "start" "-a" "26d7c6476802b49fdfe55c883849035d09b8fff29f41dd050571076a371d5c53"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running /opt/crater/target/debug/deps/network-f6f7920fca5acd74 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "26d7c6476802b49fdfe55c883849035d09b8fff29f41dd050571076a371d5c53"` [INFO] running `"docker" "rm" "-f" "26d7c6476802b49fdfe55c883849035d09b8fff29f41dd050571076a371d5c53"` [INFO] [stdout] 26d7c6476802b49fdfe55c883849035d09b8fff29f41dd050571076a371d5c53