[INFO] cloning repository https://github.com/jhaji2911/rust-essentials [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhaji2911/rust-essentials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhaji2911%2Frust-essentials", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhaji2911%2Frust-essentials'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 082cb81c2206aa6930b77850b725df4804ef7a51 [INFO] checking jhaji2911/rust-essentials against master#69fd5e4059f8840f09f60269bcda23dcdcb77151 for pr-135733 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhaji2911%2Frust-essentials" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jhaji2911/rust-essentials on toolchain 69fd5e4059f8840f09f60269bcda23dcdcb77151 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jhaji2911/rust-essentials [INFO] finished tweaking git repo https://github.com/jhaji2911/rust-essentials [INFO] tweaked toml for git repo https://github.com/jhaji2911/rust-essentials written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jhaji2911/rust-essentials 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" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61362013eb036bbfeb338b76ac6e06bc88b0fd4e25d8aa8d7f60fd294f4c88cd [INFO] running `Command { std: "docker" "start" "-a" "61362013eb036bbfeb338b76ac6e06bc88b0fd4e25d8aa8d7f60fd294f4c88cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61362013eb036bbfeb338b76ac6e06bc88b0fd4e25d8aa8d7f60fd294f4c88cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61362013eb036bbfeb338b76ac6e06bc88b0fd4e25d8aa8d7f60fd294f4c88cd", kill_on_drop: false }` [INFO] [stdout] 61362013eb036bbfeb338b76ac6e06bc88b0fd4e25d8aa8d7f60fd294f4c88cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f17ff13ddad25f4af538bdd550675302927a768c6b9816b8f17643d95e415a2b [INFO] running `Command { std: "docker" "start" "-a" "f17ff13ddad25f4af538bdd550675302927a768c6b9816b8f17643d95e415a2b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking bust-1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `access_index` is never used [INFO] [stdout] --> src/main.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn access_index() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `array_and_tuple` is never used [INFO] [stdout] --> src/main.rs:99:4 [INFO] [stdout] | [INFO] [stdout] 99 | fn array_and_tuple() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inline_control_flow` is never used [INFO] [stdout] --> src/main.rs:109:5 [INFO] [stdout] | [INFO] [stdout] 109 | fn inline_control_flow(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `loops_and_shit` is never used [INFO] [stdout] --> src/main.rs:118:5 [INFO] [stdout] | [INFO] [stdout] 118 | fn loops_and_shit(){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_num` is never used [INFO] [stdout] --> src/main.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 146 | fn add_num(value: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_not_so_important_stuff` is never used [INFO] [stdout] --> src/main.rs:150:4 [INFO] [stdout] | [INFO] [stdout] 150 | fn check_not_so_important_stuff() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `access_index` is never used [INFO] [stdout] --> src/main.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn access_index() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `array_and_tuple` is never used [INFO] [stdout] --> src/main.rs:99:4 [INFO] [stdout] | [INFO] [stdout] 99 | fn array_and_tuple() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `inline_control_flow` is never used [INFO] [stdout] --> src/main.rs:109:5 [INFO] [stdout] | [INFO] [stdout] 109 | fn inline_control_flow(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `loops_and_shit` is never used [INFO] [stdout] --> src/main.rs:118:5 [INFO] [stdout] | [INFO] [stdout] 118 | fn loops_and_shit(){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_num` is never used [INFO] [stdout] --> src/main.rs:146:5 [INFO] [stdout] | [INFO] [stdout] 146 | fn add_num(value: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `check_not_so_important_stuff` is never used [INFO] [stdout] --> src/main.rs:150:4 [INFO] [stdout] | [INFO] [stdout] 150 | fn check_not_so_important_stuff() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.35s [INFO] running `Command { std: "docker" "inspect" "f17ff13ddad25f4af538bdd550675302927a768c6b9816b8f17643d95e415a2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f17ff13ddad25f4af538bdd550675302927a768c6b9816b8f17643d95e415a2b", kill_on_drop: false }` [INFO] [stdout] f17ff13ddad25f4af538bdd550675302927a768c6b9816b8f17643d95e415a2b