[INFO] cloning repository https://github.com/E-J-bl/rustproject
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/E-J-bl/rustproject" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FE-J-bl%2Frustproject", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FE-J-bl%2Frustproject'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dcfcfee0f51553278bf9176047fee98a5ebc1f8
[INFO] checking E-J-bl/rustproject against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FE-J-bl%2Frustproject" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/E-J-bl/rustproject
[INFO] finished tweaking git repo https://github.com/E-J-bl/rustproject
[INFO] tweaked toml for git repo https://github.com/E-J-bl/rustproject written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/E-J-bl/rustproject on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/E-J-bl/rustproject 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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa51208ba4c4e4f19fd13882e8043cfc8f578264298d257ff658a8f088802916
[INFO] running `Command { std: "docker" "start" "-a" "fa51208ba4c4e4f19fd13882e8043cfc8f578264298d257ff658a8f088802916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa51208ba4c4e4f19fd13882e8043cfc8f578264298d257ff658a8f088802916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa51208ba4c4e4f19fd13882e8043cfc8f578264298d257ff658a8f088802916", kill_on_drop: false }`
[INFO] [stdout] fa51208ba4c4e4f19fd13882e8043cfc8f578264298d257ff658a8f088802916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838bcec5e75604ed5080bfa69845262f51ffc224c3b95482e79397f34be12722
[INFO] running `Command { std: "docker" "start" "-a" "838bcec5e75604ed5080bfa69845262f51ffc224c3b95482e79397f34be12722", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::arch::x86_64`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::arch::x86_64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::consts::ARCH`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env::consts::ARCH;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::arch::x86_64`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::arch::x86_64;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::consts::ARCH`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::env::consts::ARCH;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let cuts;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `cuts` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let cuts: /* Type */;
[INFO] [stdout]     |                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let cuts;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `cuts` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let cuts: /* Type */;
[INFO] [stdout]     |                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0381]: used binding `next_set` is possibly-uninitialized
[INFO] [stdout]    --> src/main.rs:522:13
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let mut next_set:Vec<&Arc<Mutex<i64>>>; 
[INFO] [stdout]     |             ------------ binding declared here but left uninitialized
[INFO] [stdout] ...
[INFO] [stdout] 499 |             next_set=locally_joined[next as usize].clone();
[INFO] [stdout]     |             -------- binding initialized here in some conditions
[INFO] [stdout] ...
[INFO] [stdout] 522 |             |x| x.iter().any(
[INFO] [stdout]     |             ^^^ `next_set` used here but it is possibly-uninitialized
[INFO] [stdout] 523 |                 |a| Arc::ptr_eq(a, next_set[0])));
[INFO] [stdout]     |                                    -------- borrow occurs due to use in closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_to_last`
[INFO] [stdout]    --> src/main.rs:521:13
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let second_to_last= joined.iter().position(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_to_last`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0381]: used binding `next_set` is possibly-uninitialized
[INFO] [stdout]    --> src/main.rs:522:13
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let mut next_set:Vec<&Arc<Mutex<i64>>>; 
[INFO] [stdout]     |             ------------ binding declared here but left uninitialized
[INFO] [stdout] ...
[INFO] [stdout] 499 |             next_set=locally_joined[next as usize].clone();
[INFO] [stdout]     |             -------- binding initialized here in some conditions
[INFO] [stdout] ...
[INFO] [stdout] 522 |             |x| x.iter().any(
[INFO] [stdout]     |             ^^^ `next_set` used here but it is possibly-uninitialized
[INFO] [stdout] 523 |                 |a| Arc::ptr_eq(a, next_set[0])));
[INFO] [stdout]     |                                    -------- borrow occurs due to use in closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_to_last`
[INFO] [stdout]    --> src/main.rs:521:13
[INFO] [stdout]     |
[INFO] [stdout] 521 |         let second_to_last= joined.iter().position(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_to_last`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0381.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0381.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `project` (bin "project") due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `project` (bin "project" test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "838bcec5e75604ed5080bfa69845262f51ffc224c3b95482e79397f34be12722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838bcec5e75604ed5080bfa69845262f51ffc224c3b95482e79397f34be12722", kill_on_drop: false }`
[INFO] [stdout] 838bcec5e75604ed5080bfa69845262f51ffc224c3b95482e79397f34be12722
