[INFO] cloning repository https://github.com/modulitos/rust-lang-book-exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modulitos/rust-lang-book-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Frust-lang-book-exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Frust-lang-book-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 17c45d6430a5bbee27a361db263f67e220a2bb05 [INFO] testing modulitos/rust-lang-book-exercises against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Frust-lang-book-exercises" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/modulitos/rust-lang-book-exercises on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/modulitos/rust-lang-book-exercises [INFO] finished tweaking git repo https://github.com/modulitos/rust-lang-book-exercises [INFO] tweaked toml for git repo https://github.com/modulitos/rust-lang-book-exercises written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/modulitos/rust-lang-book-exercises already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dac4d3866e31f2464eafc74863db41686213147af6d023605265d16532441816 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "dac4d3866e31f2464eafc74863db41686213147af6d023605265d16532441816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dac4d3866e31f2464eafc74863db41686213147af6d023605265d16532441816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dac4d3866e31f2464eafc74863db41686213147af6d023605265d16532441816", kill_on_drop: false }` [INFO] [stdout] dac4d3866e31f2464eafc74863db41686213147af6d023605265d16532441816 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee2d2fca6f5d74d19f6b6bad4be3da2d659c2ac88cc7b5c5d60f1c198f5010d0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ee2d2fca6f5d74d19f6b6bad4be3da2d659c2ac88cc7b5c5d60f1c198f5010d0", kill_on_drop: false }` [INFO] [stderr] Compiling rust_lang_book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `advanced_traits`, `fearless_concurrency`, `smart_pointers`, `state_pattern_blog` [INFO] [stdout] --> src/bin/main.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use rust_lang_book::{advanced_traits, fearless_concurrency, smart_pointers, state_pattern_blog}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.74s [INFO] running `Command { std: "docker" "inspect" "ee2d2fca6f5d74d19f6b6bad4be3da2d659c2ac88cc7b5c5d60f1c198f5010d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee2d2fca6f5d74d19f6b6bad4be3da2d659c2ac88cc7b5c5d60f1c198f5010d0", kill_on_drop: false }` [INFO] [stdout] ee2d2fca6f5d74d19f6b6bad4be3da2d659c2ac88cc7b5c5d60f1c198f5010d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bda557834e49a15dbe35d0dbccc8cd3fdbd1f763aaa35833c7079177c59d65e7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bda557834e49a15dbe35d0dbccc8cd3fdbd1f763aaa35833c7079177c59d65e7", kill_on_drop: false }` [INFO] [stderr] Compiling rust_lang_book v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `advanced_traits`, `fearless_concurrency`, `smart_pointers`, `state_pattern_blog` [INFO] [stdout] --> src/bin/main.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use rust_lang_book::{advanced_traits, fearless_concurrency, smart_pointers, state_pattern_blog}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `post` [INFO] [stdout] --> src/different_types_blog.rs:83:13 [INFO] [stdout] | [INFO] [stdout] 83 | let post = post.reject(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "bda557834e49a15dbe35d0dbccc8cd3fdbd1f763aaa35833c7079177c59d65e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bda557834e49a15dbe35d0dbccc8cd3fdbd1f763aaa35833c7079177c59d65e7", kill_on_drop: false }` [INFO] [stdout] bda557834e49a15dbe35d0dbccc8cd3fdbd1f763aaa35833c7079177c59d65e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 531126b038639f0dd10531b141767d55152c7904a6a9b7eac8e74fd9f1ec2712 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "531126b038639f0dd10531b141767d55152c7904a6a9b7eac8e74fd9f1ec2712", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `post` [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/different_types_blog.rs:83:13 [INFO] [stdout] test different_types_blog::tests::approve_posts ... ok [INFO] [stderr] | [INFO] [stdout] test state_pattern_blog::tests::approve_posts_2 ... ok [INFO] [stderr] 83 | let post = post.reject(); [INFO] [stdout] [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_post` [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] running 0 tests [INFO] [stderr] warning: 1 warning emitted [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] warning: unused imports: `advanced_traits`, `fearless_concurrency`, `smart_pointers`, `state_pattern_blog` [INFO] [stdout] [INFO] [stderr] --> src/bin/main.rs:1:22 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] running 0 tests [INFO] [stderr] 1 | use rust_lang_book::{advanced_traits, fearless_concurrency, smart_pointers, state_pattern_blog}; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_lang_book-c07a177dfa638e0b) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/main-1308579584a0016f) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/server-b8d7deeace9f08a2) [INFO] [stderr] Doc-tests rust_lang_book [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" "531126b038639f0dd10531b141767d55152c7904a6a9b7eac8e74fd9f1ec2712", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "531126b038639f0dd10531b141767d55152c7904a6a9b7eac8e74fd9f1ec2712", kill_on_drop: false }` [INFO] [stdout] 531126b038639f0dd10531b141767d55152c7904a6a9b7eac8e74fd9f1ec2712