[INFO] cloning repository https://github.com/t4p-community/20240419_rust-for-python-programmers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t4p-community/20240419_rust-for-python-programmers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft4p-community%2F20240419_rust-for-python-programmers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft4p-community%2F20240419_rust-for-python-programmers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d38535f53a45608ffb7bdbe73fb1d0607385d631
[INFO] testing t4p-community/20240419_rust-for-python-programmers against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft4p-community%2F20240419_rust-for-python-programmers" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t4p-community/20240419_rust-for-python-programmers on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/t4p-community/20240419_rust-for-python-programmers
[INFO] finished tweaking git repo https://github.com/t4p-community/20240419_rust-for-python-programmers
[INFO] tweaked toml for git repo https://github.com/t4p-community/20240419_rust-for-python-programmers written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/t4p-community/20240419_rust-for-python-programmers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83b08876cbca17b8e876a9fa786f254803c6433a31cdc96fea4ba29c7a8dc64b
[INFO] running `Command { std: "docker" "start" "-a" "83b08876cbca17b8e876a9fa786f254803c6433a31cdc96fea4ba29c7a8dc64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83b08876cbca17b8e876a9fa786f254803c6433a31cdc96fea4ba29c7a8dc64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b08876cbca17b8e876a9fa786f254803c6433a31cdc96fea4ba29c7a8dc64b", kill_on_drop: false }`
[INFO] [stdout] 83b08876cbca17b8e876a9fa786f254803c6433a31cdc96fea4ba29c7a8dc64b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67da68535ee52376f6e83d056353ad3eaeef233b88befcf0d3f22659ea8ee1dd
[INFO] running `Command { std: "docker" "start" "-a" "67da68535ee52376f6e83d056353ad3eaeef233b88befcf0d3f22659ea8ee1dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling xml-rs v0.8.20
[INFO] [stderr]    Compiling int_input v0.1.0 (/opt/rustwide/workdir/demos_rust/04_int_input)
[INFO] [stderr]    Compiling error_handling v0.1.0 (/opt/rustwide/workdir/demos_rust/03_error_handling)
[INFO] [stderr]    Compiling range v0.1.0 (/opt/rustwide/workdir/demos_rust/14_range)
[INFO] [stderr]    Compiling color_struct v0.1.0 (/opt/rustwide/workdir/demos_rust/06_color_struct)
[INFO] [stderr]    Compiling exercise_02_begin v0.1.0 (/opt/rustwide/workdir/exercises/exercise_02/begin)
[INFO] [stderr]    Compiling exercise_03_begin v0.1.0 (/opt/rustwide/workdir/exercises/exercise_03/begin)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_03/begin/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling console_input v0.1.0 (/opt/rustwide/workdir/demos_rust/02_console_input)
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir/demos_rust/01_hello_world)
[INFO] [stderr]    Compiling exercise_02_solution v0.1.0 (/opt/rustwide/workdir/exercises/exercise_02/solution)
[INFO] [stderr]    Compiling shopping_cart v0.1.0 (/opt/rustwide/workdir/demos_rust/15_shopping_cart)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_02/solution/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling color_tool_refactor v0.1.0 (/opt/rustwide/workdir/demos_rust/12_color_tool_refactor)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> demos_rust/12_color_tool_refactor/src/command_loop.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 13 |     pub fn new(app: &'a mut ColorToolApp) -> CommandLoop {
[INFO] [stdout]    |                                              ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling exercise_01_solution v0.1.0 (/opt/rustwide/workdir/exercises/exercise_01/solution)
[INFO] [stderr]    Compiling exercise_02_end v0.1.0 (/opt/rustwide/workdir/exercises/exercise_02/end)
[INFO] [stderr]    Compiling exercise_04_begin v0.1.0 (/opt/rustwide/workdir/exercises/exercise_04/begin)
[INFO] [stderr]    Compiling command_loop v0.1.0 (/opt/rustwide/workdir/demos_rust/10_command_loop)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_04/begin/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling modules v0.1.0 (/opt/rustwide/workdir/demos_rust/08_modules)
[INFO] [stderr]    Compiling vector v0.1.0 (/opt/rustwide/workdir/demos_rust/09_vector)
[INFO] [stderr]    Compiling exercise_03_solution v0.1.0 (/opt/rustwide/workdir/exercises/exercise_03/solution)
[INFO] [stderr]    Compiling generic_function v0.1.0 (/opt/rustwide/workdir/demos_rust/13_generic_function)
[INFO] [stderr]    Compiling exercise_04_end v0.1.0 (/opt/rustwide/workdir/exercises/exercise_04/end)
[INFO] [stderr]    Compiling int_input_enhanced v0.1.0 (/opt/rustwide/workdir/demos_rust/05_int_input_enhanced)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_03/solution/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling color_tool v0.1.0 (/opt/rustwide/workdir/demos_rust/11_color_tool)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_04/end/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling exercise_03_end v0.1.0 (/opt/rustwide/workdir/exercises/exercise_03/end)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_03/end/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling color_impl v0.1.0 (/opt/rustwide/workdir/demos_rust/07_color_impl)
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling xmltree v0.10.3
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling json_file v0.1.0 (/opt/rustwide/workdir/demos_rust/16_json_file)
[INFO] [stderr]    Compiling exercise_04_solution v0.1.0 (/opt/rustwide/workdir/exercises/exercise_04/solution)
[INFO] [stderr]    Compiling json_file_refactor v0.1.0 (/opt/rustwide/workdir/demos_rust/17_json_file_refactor)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_04/solution/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.04s
[INFO] running `Command { std: "docker" "inspect" "67da68535ee52376f6e83d056353ad3eaeef233b88befcf0d3f22659ea8ee1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67da68535ee52376f6e83d056353ad3eaeef233b88befcf0d3f22659ea8ee1dd", kill_on_drop: false }`
[INFO] [stdout] 67da68535ee52376f6e83d056353ad3eaeef233b88befcf0d3f22659ea8ee1dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c355836a2b9f487e3f2c1b96140599190e3dbb1ecfffb1f71390c73623e1e008
[INFO] running `Command { std: "docker" "start" "-a" "c355836a2b9f487e3f2c1b96140599190e3dbb1ecfffb1f71390c73623e1e008", kill_on_drop: false }`
[INFO] [stderr]    Compiling json_file_refactor v0.1.0 (/opt/rustwide/workdir/demos_rust/17_json_file_refactor)
[INFO] [stderr]    Compiling exercise_04_solution v0.1.0 (/opt/rustwide/workdir/exercises/exercise_04/solution)
[INFO] [stderr]    Compiling json_file v0.1.0 (/opt/rustwide/workdir/demos_rust/16_json_file)
[INFO] [stderr]    Compiling exercise_03_solution v0.1.0 (/opt/rustwide/workdir/exercises/exercise_03/solution)
[INFO] [stderr]    Compiling color_struct v0.1.0 (/opt/rustwide/workdir/demos_rust/06_color_struct)
[INFO] [stderr]    Compiling console_input v0.1.0 (/opt/rustwide/workdir/demos_rust/02_console_input)
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir/demos_rust/01_hello_world)
[INFO] [stderr]    Compiling exercise_02_end v0.1.0 (/opt/rustwide/workdir/exercises/exercise_02/end)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_03/solution/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_04/solution/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling color_tool_refactor v0.1.0 (/opt/rustwide/workdir/demos_rust/12_color_tool_refactor)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> demos_rust/12_color_tool_refactor/src/command_loop.rs:13:46
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 13 |     pub fn new(app: &'a mut ColorToolApp) -> CommandLoop {
[INFO] [stdout]    |                                              ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling exercise_03_begin v0.1.0 (/opt/rustwide/workdir/exercises/exercise_03/begin)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_03/begin/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling exercise_04_begin v0.1.0 (/opt/rustwide/workdir/exercises/exercise_04/begin)
[INFO] [stderr]    Compiling exercise_01_solution v0.1.0 (/opt/rustwide/workdir/exercises/exercise_01/solution)
[INFO] [stderr]    Compiling exercise_02_solution v0.1.0 (/opt/rustwide/workdir/exercises/exercise_02/solution)
[INFO] [stderr]    Compiling color_impl v0.1.0 (/opt/rustwide/workdir/demos_rust/07_color_impl)
[INFO] [stderr]    Compiling error_handling v0.1.0 (/opt/rustwide/workdir/demos_rust/03_error_handling)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_04/begin/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_02/solution/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling int_input_enhanced v0.1.0 (/opt/rustwide/workdir/demos_rust/05_int_input_enhanced)
[INFO] [stderr]    Compiling modules v0.1.0 (/opt/rustwide/workdir/demos_rust/08_modules)
[INFO] [stderr]    Compiling range v0.1.0 (/opt/rustwide/workdir/demos_rust/14_range)
[INFO] [stderr]    Compiling vector v0.1.0 (/opt/rustwide/workdir/demos_rust/09_vector)
[INFO] [stderr]    Compiling exercise_04_end v0.1.0 (/opt/rustwide/workdir/exercises/exercise_04/end)
[INFO] [stderr]    Compiling exercise_02_begin v0.1.0 (/opt/rustwide/workdir/exercises/exercise_02/begin)
[INFO] [stderr]    Compiling shopping_cart v0.1.0 (/opt/rustwide/workdir/demos_rust/15_shopping_cart)
[INFO] [stderr]    Compiling command_loop v0.1.0 (/opt/rustwide/workdir/demos_rust/10_command_loop)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_04/end/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling int_input v0.1.0 (/opt/rustwide/workdir/demos_rust/04_int_input)
[INFO] [stderr]    Compiling color_tool v0.1.0 (/opt/rustwide/workdir/demos_rust/11_color_tool)
[INFO] [stderr]    Compiling exercise_03_end v0.1.0 (/opt/rustwide/workdir/exercises/exercise_03/end)
[INFO] [stderr]    Compiling generic_function v0.1.0 (/opt/rustwide/workdir/demos_rust/13_generic_function)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> exercises/exercise_03/end/src/command_loop.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stdout]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "c355836a2b9f487e3f2c1b96140599190e3dbb1ecfffb1f71390c73623e1e008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c355836a2b9f487e3f2c1b96140599190e3dbb1ecfffb1f71390c73623e1e008", kill_on_drop: false }`
[INFO] [stdout] c355836a2b9f487e3f2c1b96140599190e3dbb1ecfffb1f71390c73623e1e008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1dc3514756a4daa56fe99a276e4b4bceceffcdacedf35abc38ef5af9b4ff74eb
[INFO] running `Command { std: "docker" "start" "-a" "1dc3514756a4daa56fe99a276e4b4bceceffcdacedf35abc38ef5af9b4ff74eb", kill_on_drop: false }`
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]  --> exercises/exercise_03/solution/src/command_loop.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stderr]   |      -- lifetime `'a` declared here
[INFO] [stderr] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stderr]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exercise_03_solution` (bin "exercise_03_solution" test) generated 1 warning
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]  --> exercises/exercise_04/begin/src/command_loop.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stderr]   |      -- lifetime `'a` declared here
[INFO] [stderr] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stderr]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]  --> exercises/exercise_04/end/src/command_loop.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stderr]   |      -- lifetime `'a` declared here
[INFO] [stderr] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stderr]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]  --> exercises/exercise_02/solution/src/command_loop.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stderr]   |      -- lifetime `'a` declared here
[INFO] [stderr] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stderr]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exercise_04_begin` (bin "exercise_04_begin" test) generated 1 warning
[INFO] [stderr] warning: `exercise_04_end` (bin "exercise_04_end" test) generated 1 warning
[INFO] [stderr] warning: `exercise_02_solution` (bin "exercise_02_solution" test) generated 1 warning
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]  --> exercises/exercise_03/end/src/command_loop.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stderr]   |      -- lifetime `'a` declared here
[INFO] [stderr] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stderr]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exercise_03_end` (bin "exercise_03_end" test) generated 1 warning
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]  --> exercises/exercise_03/begin/src/command_loop.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stderr]   |      -- lifetime `'a` declared here
[INFO] [stderr] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stderr]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]   --> demos_rust/12_color_tool_refactor/src/command_loop.rs:13:46
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl<'a> CommandLoop<'a> {
[INFO] [stderr]    |      -- lifetime `'a` declared here
[INFO] [stderr] 13 |     pub fn new(app: &'a mut ColorToolApp) -> CommandLoop {
[INFO] [stderr]    |                                              ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exercise_03_begin` (bin "exercise_03_begin" test) generated 1 warning
[INFO] [stderr] warning: `color_tool_refactor` (bin "color_tool_refactor" test) generated 1 warning
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]  --> exercises/exercise_04/solution/src/command_loop.rs:9:44
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<'a> CommandLoop<'a> {
[INFO] [stderr]   |      -- lifetime `'a` declared here
[INFO] [stderr] 9 |     pub fn new(app: &'a mut CarToolApp) -> CommandLoop {
[INFO] [stderr]   |                                            ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exercise_04_solution` (bin "exercise_04_solution" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/color_impl-6f39f13fd6871eeb)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/color_struct-b6d3c72a3dd3021d)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/color_tool-d609a873345ae022)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/color_tool_refactor-3f3466bda450d930)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/command_loop-87783434dc38fb97)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/console_input-aa9d989c7dd351aa)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/error_handling-35c02d5e403d5b7c)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_01_solution-29868c23d3d01f23)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_02_begin-c0e55346d181d0b6)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_02_end-9f7658bdfbdcac27)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_02_solution-bc6dde9c5b4de172)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_03_begin-9d26e2eeb2331c4c)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_03_end-70efbbf5a8af961b)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_03_solution-59f1e27abc0b0e2f)
[INFO] [stdout] running 0 tests
[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 0 tests
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_04_begin-3ec9f2942277d8ba)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_04_end-89be0af5599f45d7)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exercise_04_solution-60a23c4805a15e61)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/generic_function-82b120ea985be4b8)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world-d58b1a0f979b5d26)
[INFO] [stdout] running 0 tests
[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 0 tests
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/int_input-a55a41fe0748da55)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/int_input_enhanced-3c5e383881b1b7cc)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/json_file-e44673cd82c26280)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/json_file_refactor-f5cb01e4566b65c1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/modules-0b33614e25b77560)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/range-1c8669448ac8ff0d)
[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 0 tests
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/shopping_cart-a7d35a74a4ae9d27)
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vector-81dcdde9737c22c0)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1dc3514756a4daa56fe99a276e4b4bceceffcdacedf35abc38ef5af9b4ff74eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc3514756a4daa56fe99a276e4b4bceceffcdacedf35abc38ef5af9b4ff74eb", kill_on_drop: false }`
[INFO] [stdout] 1dc3514756a4daa56fe99a276e4b4bceceffcdacedf35abc38ef5af9b4ff74eb