[INFO] cloning repository https://github.com/wahyukodar/rust-lessons [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wahyukodar/rust-lessons" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwahyukodar%2Frust-lessons", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwahyukodar%2Frust-lessons'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70666f90dee60c01c7b06976029bd42e2c61f636 [INFO] testing wahyukodar/rust-lessons against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwahyukodar%2Frust-lessons" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wahyukodar/rust-lessons on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wahyukodar/rust-lessons [INFO] finished tweaking git repo https://github.com/wahyukodar/rust-lessons [INFO] tweaked toml for git repo https://github.com/wahyukodar/rust-lessons written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/wahyukodar/rust-lessons 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f44b1f1caaec7146dde0385348779f6a2e9230686eef20feddbfb3b813956b3 [INFO] running `Command { std: "docker" "start" "-a" "7f44b1f1caaec7146dde0385348779f6a2e9230686eef20feddbfb3b813956b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f44b1f1caaec7146dde0385348779f6a2e9230686eef20feddbfb3b813956b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f44b1f1caaec7146dde0385348779f6a2e9230686eef20feddbfb3b813956b3", kill_on_drop: false }` [INFO] [stdout] 7f44b1f1caaec7146dde0385348779f6a2e9230686eef20feddbfb3b813956b3 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b36566419fd42765a1326108a9cf663a9fecbba799fdb5ebade71892b9179b30 [INFO] running `Command { std: "docker" "start" "-a" "b36566419fd42765a1326108a9cf663a9fecbba799fdb5ebade71892b9179b30", kill_on_drop: false }` [INFO] [stderr] Compiling step_1 v0.1.0 (/opt/rustwide/workdir/1_concepts) [INFO] [stderr] Compiling step_3_2 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_2_macro) [INFO] [stderr] Compiling step_3_7 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_7_rand_crypto) [INFO] [stderr] Compiling step_3_9 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_9_cmd_env_conf) [INFO] [stderr] Compiling step_1_6 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_6_dispatch) [INFO] [stderr] Compiling step_3_11 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_11_async) [INFO] [stderr] Compiling step_3_12 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_12_web_db) [INFO] [stderr] Compiling step_1_3 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_3_rc_cell) [INFO] [stderr] Compiling step_2_2 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_2_mem_replace) [INFO] [stderr] Compiling step_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem) [INFO] [stderr] Compiling step_1_1 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_1_default_clone_copy) [INFO] [stderr] Compiling step_2_3 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_3_bound_impl) [INFO] [stderr] Compiling step_3_5 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_5_collections) [INFO] [stderr] Compiling step_1_2 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_2_box_pin) [INFO] [stderr] Compiling step_2_1 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_1_type_safety) [INFO] [stderr] Compiling step_1_4 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_4_cow) [INFO] [stderr] Compiling step_1_8 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_8_thread_safety) [INFO] [stderr] Compiling step_1_7 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_7_sized) [INFO] [stderr] Compiling step_2_4 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_4_generic_in_type_out) [INFO] [stderr] Compiling step_1_5 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_5_convert_cast_deref) [INFO] [stderr] Compiling step_3_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_3_date_time) [INFO] [stderr] Compiling step_3_4 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_4_regex_parsing) [INFO] [stderr] Compiling step_3_6 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_6_serde) [INFO] [stderr] Compiling step_3_8 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_8_log) [INFO] [stderr] Compiling step_1_9 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_9_phantom) [INFO] [stdout] warning: unused variable: `year` [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:23 [INFO] [stdout] | [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_year` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `month` [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:34 [INFO] [stdout] | [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_month` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:46 [INFO] [stdout] | [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NOW` is never used [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const NOW: &str = "2019-06-26"; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct User; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `with_birthdate`, `age`, and `is_adult` are never used [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl User { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 15 | fn age(&self) -> u16 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | fn is_adult(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> 3_ecosystem/3_4_regex_parsing/src/main.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | fn parse(input: &str) -> (Option, Option, Option) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse` is never used [INFO] [stdout] --> 3_ecosystem/3_4_regex_parsing/src/main.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn parse(input: &str) -> (Option, Option, Option) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Sign` is never used [INFO] [stdout] --> 3_ecosystem/3_4_regex_parsing/src/main.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | enum Sign { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Precision` is never used [INFO] [stdout] --> 3_ecosystem/3_4_regex_parsing/src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | enum Precision { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling step_2 v0.1.0 (/opt/rustwide/workdir/2_idioms) [INFO] [stderr] Compiling step_3_10 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_10_threads) [INFO] [stderr] Compiling step_3_1 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_1_testing) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.97s [INFO] running `Command { std: "docker" "inspect" "b36566419fd42765a1326108a9cf663a9fecbba799fdb5ebade71892b9179b30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b36566419fd42765a1326108a9cf663a9fecbba799fdb5ebade71892b9179b30", kill_on_drop: false }` [INFO] [stdout] b36566419fd42765a1326108a9cf663a9fecbba799fdb5ebade71892b9179b30 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ecb8f0c606dc3ff426dba004f40486bcfb711ce1177c6a218a68168941c92e59 [INFO] running `Command { std: "docker" "start" "-a" "ecb8f0c606dc3ff426dba004f40486bcfb711ce1177c6a218a68168941c92e59", kill_on_drop: false }` [INFO] [stderr] Compiling step_3_1 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_1_testing) [INFO] [stderr] Compiling step_3_2 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_2_macro) [INFO] [stderr] Compiling step_1_5 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_5_convert_cast_deref) [INFO] [stderr] Compiling step_3_11 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_11_async) [INFO] [stderr] Compiling step_1_3 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_3_rc_cell) [INFO] [stderr] Compiling step_2_3 v0.1.0 (/opt/rustwide/workdir/2_idioms/2_3_bound_impl) [INFO] [stderr] Compiling step_3_12 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_12_web_db) [INFO] [stderr] Compiling step_3_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_3_date_time) [INFO] [stderr] Compiling step_1_9 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_9_phantom) [INFO] [stderr] Compiling step_3_5 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_5_collections) [INFO] [stderr] Compiling step_3_8 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_8_log) [INFO] [stderr] Compiling step_3_4 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_4_regex_parsing) [INFO] [stderr] Compiling step_1_6 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_6_dispatch) [INFO] [stderr] Compiling step_1_1 v0.1.0 (/opt/rustwide/workdir/1_concepts/1_1_default_clone_copy) [INFO] [stderr] Compiling step_3 v0.1.0 (/opt/rustwide/workdir/3_ecosystem) [INFO] [stderr] Compiling step_3_7 v0.1.0 (/opt/rustwide/workdir/3_ecosystem/3_7_rand_crypto) [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetadXwjhc" [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta5V3Dsl" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `step_3` (bin "step_3" test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `step_3_2` (bin "step_3_2" test) due to 1 previous error [INFO] [stdout] warning: unused variable: `year` [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:23 [INFO] [stdout] | [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_year` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `month` [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:34 [INFO] [stdout] | [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_month` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:10:46 [INFO] [stdout] | [INFO] [stdout] 10 | fn with_birthdate(year: i32, month: u32, day: u32) -> Self { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `NOW` is never used [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | const NOW: &str = "2019-06-26"; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_adult` is never used [INFO] [stdout] --> 3_ecosystem/3_3_date_time/src/main.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl User { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | fn is_adult(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> 3_ecosystem/3_4_regex_parsing/src/main.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | fn parse(input: &str) -> (Option, Option, Option) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ecb8f0c606dc3ff426dba004f40486bcfb711ce1177c6a218a68168941c92e59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecb8f0c606dc3ff426dba004f40486bcfb711ce1177c6a218a68168941c92e59", kill_on_drop: false }` [INFO] [stdout] ecb8f0c606dc3ff426dba004f40486bcfb711ce1177c6a218a68168941c92e59