[INFO] cloning repository https://github.com/caqqmarina/advprog-module6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caqqmarina/advprog-module6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaqqmarina%2Fadvprog-module6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaqqmarina%2Fadvprog-module6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a0879820b201da6f34afd21286ce71b868f7644
[INFO] checking caqqmarina/advprog-module6 against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaqqmarina%2Fadvprog-module6" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caqqmarina/advprog-module6 on toolchain af54b6062f33b99e418444700f3a823ef0214052
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caqqmarina/advprog-module6
[INFO] finished tweaking git repo https://github.com/caqqmarina/advprog-module6
[INFO] tweaked toml for git repo https://github.com/caqqmarina/advprog-module6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/caqqmarina/advprog-module6 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" "+af54b6062f33b99e418444700f3a823ef0214052" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c13d0fb27ff20fccc63d209a86a34e1135aa4dd839354bcde00d17056980047f
[INFO] running `Command { std: "docker" "start" "-a" "c13d0fb27ff20fccc63d209a86a34e1135aa4dd839354bcde00d17056980047f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c13d0fb27ff20fccc63d209a86a34e1135aa4dd839354bcde00d17056980047f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13d0fb27ff20fccc63d209a86a34e1135aa4dd839354bcde00d17056980047f", kill_on_drop: false }`
[INFO] [stdout] c13d0fb27ff20fccc63d209a86a34e1135aa4dd839354bcde00d17056980047f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44e4687331253cbfa5ac4dd6df9e55216dea7a6aff624a63b67b04f28621015b
[INFO] running `Command { std: "docker" "start" "-a" "44e4687331253cbfa5ac4dd6df9e55216dea7a6aff624a63b67b04f28621015b", kill_on_drop: false }`
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pool_name`
[INFO] [stdout]    --> src/lib.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let pool_name = self.name.unwrap_or("ThreadPool".to_string());
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool_name`
[INFO] [stdout]    --> src/lib.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let pool_name = self.name.unwrap_or("ThreadPool".to_string());
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pool_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `self.name`
[INFO] [stdout]    --> src/lib.rs:142:33
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let pool_name = self.name.unwrap_or("ThreadPool".to_string());
[INFO] [stdout]     |                         --------- value moved here
[INFO] [stdout] ...
[INFO] [stdout] 142 |             if let Some(name) = &self.name {
[INFO] [stdout]     |                                 ^^^^^^^^^^ value borrowed here after move
[INFO] [stdout]     |
[INFO] [stdout]     = note: move occurs because `self.name` has type `Option<String>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: borrow of moved value: `self.name`
[INFO] [stdout]    --> src/lib.rs:142:33
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let pool_name = self.name.unwrap_or("ThreadPool".to_string());
[INFO] [stdout]     |                         --------- value moved here
[INFO] [stdout] ...
[INFO] [stdout] 142 |             if let Some(name) = &self.name {
[INFO] [stdout]     |                                 ^^^^^^^^^^ value borrowed here after move
[INFO] [stdout]     |
[INFO] [stdout]     = note: move occurs because `self.name` has type `Option<String>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hello` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "44e4687331253cbfa5ac4dd6df9e55216dea7a6aff624a63b67b04f28621015b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e4687331253cbfa5ac4dd6df9e55216dea7a6aff624a63b67b04f28621015b", kill_on_drop: false }`
[INFO] [stdout] 44e4687331253cbfa5ac4dd6df9e55216dea7a6aff624a63b67b04f28621015b