[INFO] cloning repository https://github.com/saikatdas0790/comprehensive-rust-worked-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saikatdas0790/comprehensive-rust-worked-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaikatdas0790%2Fcomprehensive-rust-worked-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaikatdas0790%2Fcomprehensive-rust-worked-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 788c84acfe36037b938056888b5cdd8e0edcdc6c
[INFO] checking saikatdas0790/comprehensive-rust-worked-examples against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaikatdas0790%2Fcomprehensive-rust-worked-examples" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/saikatdas0790/comprehensive-rust-worked-examples
[INFO] finished tweaking git repo https://github.com/saikatdas0790/comprehensive-rust-worked-examples
[INFO] tweaked toml for git repo https://github.com/saikatdas0790/comprehensive-rust-worked-examples written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saikatdas0790/comprehensive-rust-worked-examples on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/saikatdas0790/comprehensive-rust-worked-examples 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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcb4e606e0df0811147ce89541ef63ef0319fd529dddcc9a52d0b9473103f5e8
[INFO] running `Command { std: "docker" "start" "-a" "dcb4e606e0df0811147ce89541ef63ef0319fd529dddcc9a52d0b9473103f5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb4e606e0df0811147ce89541ef63ef0319fd529dddcc9a52d0b9473103f5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb4e606e0df0811147ce89541ef63ef0319fd529dddcc9a52d0b9473103f5e8", kill_on_drop: false }`
[INFO] [stdout] dcb4e606e0df0811147ce89541ef63ef0319fd529dddcc9a52d0b9473103f5e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b20569f0c07e1031ccebbab50769df7008033f38c7f452a574154ac378c6a0a0
[INFO] running `Command { std: "docker" "start" "-a" "b20569f0c07e1031ccebbab50769df7008033f38c7f452a574154ac378c6a0a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v2.0.6
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking _17_8_exercise_rot13 v0.1.0 (/opt/rustwide/workdir/_17_8_exercise_rot13)
[INFO] [stderr]     Checking _25_3_from_iterator v0.1.0 (/opt/rustwide/workdir/_25_3_from_iterator)
[INFO] [stderr]     Checking _27_3_compiler_lints_and_clippy v0.1.0 (/opt/rustwide/workdir/_27_3_compiler_lints_and_clippy)
[INFO] [stderr]     Checking _14_5_exercise_generic_min v0.1.0 (/opt/rustwide/workdir/_14_5_exercise_generic_min)
[INFO] [stderr]     Checking _13_4_exercise_generic_logger v0.1.0 (/opt/rustwide/workdir/_13_4_exercise_generic_logger)
[INFO] [stderr]     Checking _22_4_exercise_health_statistics v0.1.0 (/opt/rustwide/workdir/_22_4_exercise_health_statistics)
[INFO] [stderr]     Checking _29_3_try_operator v0.1.0 (/opt/rustwide/workdir/_29_3_try_operator)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> _22_4_exercise_health_statistics/src/main.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn visit_doctor(&mut self, measurements: Measurements) -> HealthReport {
[INFO] [stdout]    |                         ^^^^^^^^^ the lifetime is elided here     ------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn visit_doctor(&mut self, measurements: Measurements) -> HealthReport<'_> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking _8_4_exercise_nested_arrays v0.1.0 (/opt/rustwide/workdir/_8_4_exercise_nested_arrays)
[INFO] [stderr]     Checking _12_4_exercise_expression_evaluation v0.1.0 (/opt/rustwide/workdir/_12_4_exercise_expression_evaluation)
[INFO] [stderr]     Checking _10_6_exercise_elevator_events v0.1.0 (/opt/rustwide/workdir/_10_6_exercise_elevator_events)
[INFO] [stderr]     Checking _16_8_exercise_counter v0.1.0 (/opt/rustwide/workdir/_16_8_exercise_counter)
[INFO] [stderr]     Checking state_machine_example v0.1.0 (/opt/rustwide/workdir/state_machine_example)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> _22_4_exercise_health_statistics/src/main.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn visit_doctor(&mut self, measurements: Measurements) -> HealthReport {
[INFO] [stdout]    |                         ^^^^^^^^^ the lifetime is elided here     ------------ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn visit_doctor(&mut self, measurements: Measurements) -> HealthReport<'_> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking _6_7_exercise_collatz_sequence v0.1.0 (/opt/rustwide/workdir/_6_7_exercise_collatz_sequence)
[INFO] [stderr]     Checking _5_7_exercise_fibonacci v0.1.0 (/opt/rustwide/workdir/_5_7_exercise_fibonacci)
[INFO] [stderr]     Checking _26_5_exercise_modules_for_a_gui_library v0.1.0 (/opt/rustwide/workdir/_26_5_exercise_modules_for_a_gui_library)
[INFO] [stderr]     Checking _19_8_exercise_builder_type v0.1.0 (/opt/rustwide/workdir/_19_8_exercise_builder_type)
[INFO] [stderr]     Checking _25_1_iterator v0.1.0 (/opt/rustwide/workdir/_25_1_iterator)
[INFO] [stderr]     Checking _9_3_exercise_geometry v0.1.0 (/opt/rustwide/workdir/_9_3_exercise_geometry)
[INFO] [stderr]     Checking _27_4_exercise_luhn_algorithm v0.1.0 (/opt/rustwide/workdir/_27_4_exercise_luhn_algorithm)
[INFO] [stderr]     Checking _25_2_into_iterator v0.1.0 (/opt/rustwide/workdir/_25_2_into_iterator)
[INFO] [stderr]     Checking _25_4_exercise_iterator_method_chaining v0.1.0 (/opt/rustwide/workdir/_25_4_exercise_iterator_method_chaining)
[INFO] [stderr]     Checking _20_4_exercise_binary_tree v0.1.0 (/opt/rustwide/workdir/_20_4_exercise_binary_tree)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling thiserror-impl v2.0.6
[INFO] [stderr]     Checking _29_8_exercise_rewriting_with_result v0.1.0 (/opt/rustwide/workdir/_29_8_exercise_rewriting_with_result)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> _29_8_exercise_rewriting_with_result/src/main.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn tokenize(input: &str) -> Tokenizer {
[INFO] [stdout]    |                    ^^^^     --------- the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn tokenize(input: &str) -> Tokenizer<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking _23_6_exercise_protobuf_parsing v0.1.0 (/opt/rustwide/workdir/_23_6_exercise_protobuf_parsing)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> _29_8_exercise_rewriting_with_result/src/main.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn tokenize(input: &str) -> Tokenizer {
[INFO] [stdout]    |                    ^^^^     --------- the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn tokenize(input: &str) -> Tokenizer<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> _23_6_exercise_protobuf_parsing/src/main.rs:120:22
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn parse_field(data: &[u8]) -> Result<(Field, &[u8]), Error> {
[INFO] [stdout]     |                      ^^^^^             -----  ----- the same lifetime is elided here
[INFO] [stdout]     |                      |                 |
[INFO] [stdout]     |                      |                 the same lifetime is hidden here
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn parse_field(data: &[u8]) -> Result<(Field<'_>, &[u8]), Error> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> _23_6_exercise_protobuf_parsing/src/main.rs:120:22
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn parse_field(data: &[u8]) -> Result<(Field, &[u8]), Error> {
[INFO] [stdout]     |                      ^^^^^             -----  ----- the same lifetime is elided here
[INFO] [stdout]     |                      |                 |
[INFO] [stdout]     |                      |                 the same lifetime is hidden here
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn parse_field(data: &[u8]) -> Result<(Field<'_>, &[u8]), Error> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "b20569f0c07e1031ccebbab50769df7008033f38c7f452a574154ac378c6a0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20569f0c07e1031ccebbab50769df7008033f38c7f452a574154ac378c6a0a0", kill_on_drop: false }`
[INFO] [stdout] b20569f0c07e1031ccebbab50769df7008033f38c7f452a574154ac378c6a0a0