[INFO] cloning repository ivanacostarubio/l-system [INFO] running `"git" "clone" "--bare" "git://github.com/ivanacostarubio/l-system.git" "work/cache/sources/gh/ivanacostarubio/l-system"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ivanacostarubio/l-system'... [INFO] running `"git" "clone" "work/cache/sources/gh/ivanacostarubio/l-system" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ivanacostarubio/l-system"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ivanacostarubio/l-system'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ivanacostarubio/l-system" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ivanacostarubio/l-system"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ivanacostarubio/l-system on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded turtle v1.0.0-rc.2 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing ivanacostarubio/l-system against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] b7cfe8b5837398c40eccc2361ba4614494c5f1bf896030eb6d7ff72e571e461c [INFO] running `"docker" "start" "-a" "b7cfe8b5837398c40eccc2361ba4614494c5f1bf896030eb6d7ff72e571e461c"` [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling serde v0.9.15 [INFO] [stderr] Compiling dtoa v0.4.3 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling bitflags v0.9.1 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling khronos_api v2.2.0 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling rayon v1.0.2 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling piston-float v0.3.0 [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling bitflags v0.8.2 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling shader_version v0.3.0 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling linked-hash-map v0.5.1 [INFO] [stderr] Compiling read_color v0.1.0 [INFO] [stderr] Compiling interpolation v0.1.0 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling piston-texture v0.6.0 [INFO] [stderr] Compiling ryu v0.2.6 [INFO] [stderr] Compiling piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling xml-rs v0.6.1 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling syn v0.10.8 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling rand v0.4.3 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling itertools v0.5.10 [INFO] [stderr] Compiling draw_state v0.7.1 [INFO] [stderr] Compiling piston-viewport v0.3.0 [INFO] [stderr] Compiling vecmath v0.3.1 [INFO] [stderr] Compiling inflate v0.3.4 [INFO] [stderr] Compiling deflate v0.7.19 [INFO] [stderr] Compiling stb_truetype v0.2.4 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling phf v0.7.23 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling x11-dl v2.18.3 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling rusttype v0.2.3 [INFO] [stderr] Compiling wayland-scanner v0.9.10 [INFO] [stderr] Compiling tempfile v2.2.0 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling gl_generator v0.7.0 [INFO] [stderr] Compiling gl_generator v0.6.1 [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 num-traits v0.1.43 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling wayland-client v0.9.10 [INFO] [stderr] Compiling wayland-protocols v0.9.10 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling syn v0.15.13 [INFO] [stderr] Compiling piston2d-graphics v0.23.0 [INFO] [stderr] Compiling gfx_gl v0.4.0 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling glutin v0.10.1 [INFO] [stderr] Compiling gl v0.6.5 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling derivative v1.0.0 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling serde_json v1.0.32 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling gfx_core v0.7.2 [INFO] [stderr] Compiling image v0.17.0 [INFO] [stderr] Compiling serde_derive v1.0.80 [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-kbd v0.9.1 [INFO] [stderr] Compiling wayland-window v0.8.0 [INFO] [stderr] Compiling winit v0.8.3 [INFO] [stderr] Compiling pistoncore-input v0.20.0 [INFO] [stderr] Compiling pistoncore-window v0.30.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.35.0 [INFO] [stderr] Compiling piston v0.35.0 [INFO] [stderr] Compiling pistoncore-glutin_window v0.42.1 [INFO] [stderr] Compiling gfx v0.16.3 [INFO] [stderr] Compiling gfx_device_gl v0.14.6 [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 4m 07s [INFO] running `"docker" "inspect" "b7cfe8b5837398c40eccc2361ba4614494c5f1bf896030eb6d7ff72e571e461c"` [INFO] running `"docker" "rm" "-f" "b7cfe8b5837398c40eccc2361ba4614494c5f1bf896030eb6d7ff72e571e461c"` [INFO] [stdout] b7cfe8b5837398c40eccc2361ba4614494c5f1bf896030eb6d7ff72e571e461c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 173a34e8271fe53464326b0e206a425fb0fd69c6f7798f8f46e1943e149307a6 [INFO] running `"docker" "start" "-a" "173a34e8271fe53464326b0e206a425fb0fd69c6f7798f8f46e1943e149307a6"` [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 1.03s [INFO] running `"docker" "inspect" "173a34e8271fe53464326b0e206a425fb0fd69c6f7798f8f46e1943e149307a6"` [INFO] running `"docker" "rm" "-f" "173a34e8271fe53464326b0e206a425fb0fd69c6f7798f8f46e1943e149307a6"` [INFO] [stdout] 173a34e8271fe53464326b0e206a425fb0fd69c6f7798f8f46e1943e149307a6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 5771ec531e9a67f11fe327f8bf6ad6b0eeb3b5421cc5a34934962b24381d299c [INFO] running `"docker" "start" "-a" "5771ec531e9a67f11fe327f8bf6ad6b0eeb3b5421cc5a34934962b24381d299c"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/crater/target/debug/deps/l_system-1016c00c478d24e7 [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" "5771ec531e9a67f11fe327f8bf6ad6b0eeb3b5421cc5a34934962b24381d299c"` [INFO] running `"docker" "rm" "-f" "5771ec531e9a67f11fe327f8bf6ad6b0eeb3b5421cc5a34934962b24381d299c"` [INFO] [stdout] 5771ec531e9a67f11fe327f8bf6ad6b0eeb3b5421cc5a34934962b24381d299c