[INFO] cloning repository https://github.com/fuad1502/head_first_design_patterns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fuad1502/head_first_design_patterns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuad1502%2Fhead_first_design_patterns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuad1502%2Fhead_first_design_patterns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b82ce562adc79d857bd59560f8f03961b2cd5673
[INFO] checking fuad1502/head_first_design_patterns against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuad1502%2Fhead_first_design_patterns" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fuad1502/head_first_design_patterns
[INFO] finished tweaking git repo https://github.com/fuad1502/head_first_design_patterns
[INFO] tweaked toml for git repo https://github.com/fuad1502/head_first_design_patterns written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fuad1502/head_first_design_patterns on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fuad1502/head_first_design_patterns 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f15215f7350f9653544fe7eb75b6829551946c272e6f6b6d5981fefad3be9abf
[INFO] running `Command { std: "docker" "start" "-a" "f15215f7350f9653544fe7eb75b6829551946c272e6f6b6d5981fefad3be9abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f15215f7350f9653544fe7eb75b6829551946c272e6f6b6d5981fefad3be9abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15215f7350f9653544fe7eb75b6829551946c272e6f6b6d5981fefad3be9abf", kill_on_drop: false }`
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[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 101d9609db392a244b121b257ab0315dce2dab6801564a89b2ae8cd71a19f466
[INFO] running `Command { std: "docker" "start" "-a" "101d9609db392a244b121b257ab0315dce2dab6801564a89b2ae8cd71a19f466", kill_on_drop: false }`
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[INFO] [stderr]     Checking singleton_pattern v0.1.0 (/opt/rustwide/workdir/singleton_pattern)
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[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> iterator_composite_pattern/src/objectville_restaurant/menu_vec.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new(menu_vec: &MenuVec) -> MenuVecIter {
[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] 41 |     fn new(menu_vec: &MenuVec) -> MenuVecIter<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking virtual_proxy_pattern v0.1.0 (/opt/rustwide/workdir/virtual_proxy_pattern)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> iterator_composite_pattern/src/objectville_restaurant/menu_vec.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn new(menu_vec: &MenuVec) -> MenuVecIter {
[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] 41 |     fn new(menu_vec: &MenuVec) -> MenuVecIter<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]     Checking strategy_pattern v0.1.0 (/opt/rustwide/workdir/strategy_pattern)
[INFO] [stderr]     Checking factory_pattern v0.1.0 (/opt/rustwide/workdir/factory_pattern)
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[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-timeout v0.4.1
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.86s
[INFO] running `Command { std: "docker" "inspect" "101d9609db392a244b121b257ab0315dce2dab6801564a89b2ae8cd71a19f466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101d9609db392a244b121b257ab0315dce2dab6801564a89b2ae8cd71a19f466", kill_on_drop: false }`
[INFO] [stdout] 101d9609db392a244b121b257ab0315dce2dab6801564a89b2ae8cd71a19f466