[INFO] updating cached repository ivanacostarubio/l-system [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ivanacostarubio/l-system [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ivanacostarubio/l-system" "work/ex/beta-1.38-1/sources/1.37.0/gh/ivanacostarubio/l-system"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ivanacostarubio/l-system'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ivanacostarubio/l-system" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ivanacostarubio/l-system"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ivanacostarubio/l-system'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5f0a39724f38161b9e9ebfb6f49657bb505fe192 [INFO] sha for GitHub repo ivanacostarubio/l-system: 5f0a39724f38161b9e9ebfb6f49657bb505fe192 [INFO] validating manifest of ivanacostarubio/l-system 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 ivanacostarubio/l-system 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 ivanacostarubio/l-system [INFO] finished frobbing ivanacostarubio/l-system [INFO] frobbed toml for ivanacostarubio/l-system written to work/ex/beta-1.38-1/sources/1.37.0/gh/ivanacostarubio/l-system/Cargo.toml [INFO] started frobbing ivanacostarubio/l-system [INFO] finished frobbing ivanacostarubio/l-system [INFO] frobbed toml for ivanacostarubio/l-system written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ivanacostarubio/l-system/Cargo.toml [INFO] crate ivanacostarubio/l-system 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ivanacostarubio/l-system 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-7/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/ivanacostarubio/l-system:/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] 5fa2528785a90f1c32dbe377c7073bc29df5872930dcb933e93a0255afe60256 [INFO] running `"docker" "start" "-a" "5fa2528785a90f1c32dbe377c7073bc29df5872930dcb933e93a0255afe60256"` [INFO] [stderr] Compiling deflate v0.7.19 [INFO] [stderr] Compiling stb_truetype v0.2.4 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling gl_generator v0.7.0 [INFO] [stderr] Compiling tempfile v2.2.0 [INFO] [stderr] Compiling gl_generator v0.6.1 [INFO] [stderr] Compiling gfx_core v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling rusttype v0.2.3 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [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 glutin v0.10.1 [INFO] [stderr] Compiling gl v0.6.5 [INFO] [stderr] Compiling gfx_gl v0.4.0 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling piston2d-graphics v0.23.0 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling image v0.17.0 [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 pistoncore-input v0.20.0 [INFO] [stderr] Compiling wayland-window v0.8.0 [INFO] [stderr] Compiling winit v0.8.3 [INFO] [stderr] Compiling gfx v0.16.3 [INFO] [stderr] Compiling gfx_device_gl v0.14.6 [INFO] [stderr] Compiling pistoncore-window v0.30.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.35.0 [INFO] [stderr] Compiling pistoncore-glutin_window v0.42.1 [INFO] [stderr] Compiling piston v0.35.0 [INFO] [stderr] Compiling piston-gfx_texture v0.29.0 [INFO] [stderr] Compiling piston2d-gfx_graphics v0.46.0 [INFO] [stderr] Compiling piston_window v0.73.0 [INFO] [stderr] Compiling turtle v1.0.0-rc.2 [INFO] [stderr] Compiling l-system v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/main.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut r = "".to_string(); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 39s [INFO] running `"docker" "inspect" "5fa2528785a90f1c32dbe377c7073bc29df5872930dcb933e93a0255afe60256"` [INFO] running `"docker" "rm" "-f" "5fa2528785a90f1c32dbe377c7073bc29df5872930dcb933e93a0255afe60256"` [INFO] [stdout] 5fa2528785a90f1c32dbe377c7073bc29df5872930dcb933e93a0255afe60256 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/ivanacostarubio/l-system:/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] 23ca45c7112f67c78acadf1accb6eeb4c93c8d3723c4a0a45ecfab71bc358894 [INFO] running `"docker" "start" "-a" "23ca45c7112f67c78acadf1accb6eeb4c93c8d3723c4a0a45ecfab71bc358894"` [INFO] [stderr] Compiling l-system v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: value assigned to `r` is never read [INFO] [stderr] --> src/main.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut r = "".to_string(); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.95s [INFO] running `"docker" "inspect" "23ca45c7112f67c78acadf1accb6eeb4c93c8d3723c4a0a45ecfab71bc358894"` [INFO] running `"docker" "rm" "-f" "23ca45c7112f67c78acadf1accb6eeb4c93c8d3723c4a0a45ecfab71bc358894"` [INFO] [stdout] 23ca45c7112f67c78acadf1accb6eeb4c93c8d3723c4a0a45ecfab71bc358894 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/ivanacostarubio/l-system:/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] 794e826d68c2200668207e15a7a2087e84dc3bb940a6139ad8963d97f5622231 [INFO] running `"docker" "start" "-a" "794e826d68c2200668207e15a7a2087e84dc3bb940a6139ad8963d97f5622231"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/crater/target/debug/deps/l_system-9c81a742c6b227d6 [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" "794e826d68c2200668207e15a7a2087e84dc3bb940a6139ad8963d97f5622231"` [INFO] running `"docker" "rm" "-f" "794e826d68c2200668207e15a7a2087e84dc3bb940a6139ad8963d97f5622231"` [INFO] [stdout] 794e826d68c2200668207e15a7a2087e84dc3bb940a6139ad8963d97f5622231