[INFO] cloning repository https://github.com/Adhalianna/Distributed-Systems-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Adhalianna/Distributed-Systems-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdhalianna%2FDistributed-Systems-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdhalianna%2FDistributed-Systems-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7128507fed64abb7ccb1737d5eecc1c04ff9921
[INFO] checking Adhalianna/Distributed-Systems-2023 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdhalianna%2FDistributed-Systems-2023" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Adhalianna/Distributed-Systems-2023
[INFO] finished tweaking git repo https://github.com/Adhalianna/Distributed-Systems-2023
[INFO] tweaked toml for git repo https://github.com/Adhalianna/Distributed-Systems-2023 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Adhalianna/Distributed-Systems-2023 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Adhalianna/Distributed-Systems-2023 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.58
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded quote v1.0.27
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded fixedbitset v0.4.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded uuid v1.3.3
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded indexmap v1.9.3
[INFO] [stderr]   Downloaded hashbrown v0.12.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.8
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded serde_json v1.0.96
[INFO] [stderr]   Downloaded petgraph v0.6.3
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bea073496fa97793a677afc8731cc2dcef7afd314bff300d947a9d7dc53d0d0
[INFO] running `Command { std: "docker" "start" "-a" "4bea073496fa97793a677afc8731cc2dcef7afd314bff300d947a9d7dc53d0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bea073496fa97793a677afc8731cc2dcef7afd314bff300d947a9d7dc53d0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bea073496fa97793a677afc8731cc2dcef7afd314bff300d947a9d7dc53d0d0", kill_on_drop: false }`
[INFO] [stdout] 4bea073496fa97793a677afc8731cc2dcef7afd314bff300d947a9d7dc53d0d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd35675cb4eff878de024e03b7a6ff06658c6a008e38ec173eea876dce5787da
[INFO] running `Command { std: "docker" "start" "-a" "bd35675cb4eff878de024e03b7a6ff06658c6a008e38ec173eea876dce5787da", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling syn v2.0.16
[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 uuid v1.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.163
[INFO] [stderr]     Checking petgraph v0.6.3
[INFO] [stderr]     Checking task3 v0.1.0 (/opt/rustwide/workdir/task3)
[INFO] [stderr]     Checking task5 v0.1.0 (/opt/rustwide/workdir/task5)
[INFO] [stderr]     Checking task2 v0.1.0 (/opt/rustwide/workdir/task2)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> task3/src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut other_node = unsafe { other.0.as_ptr().as_mut().unwrap() };
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> task3/src/main.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut other_node = unsafe { other.0.as_ptr().as_mut().unwrap() };
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> task3/src/main.rs:185:43
[INFO] [stdout]     |
[INFO] [stdout] 185 | ...                   Some((name, mut handle)) => {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> task3/src/main.rs:185:43
[INFO] [stdout]     |
[INFO] [stdout] 185 | ...                   Some((name, mut handle)) => {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> task3/src/main.rs:164:33
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...                   drop(node_data);
[INFO] [stdout]     |                       ^^^^^---------^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `&mut SystemNodeData`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 164 -                                 drop(node_data);
[INFO] [stdout] 164 +                                 let _ = node_data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> task3/src/main.rs:188:41
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   drop(node_data);
[INFO] [stdout]     |                       ^^^^^---------^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `&mut SystemNodeData`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 188 -                                         drop(node_data);
[INFO] [stdout] 188 +                                         let _ = node_data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> task3/src/main.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                         drop(node_data); //drop
[INFO] [stdout]     |                         ^^^^^---------^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              argument has type `&mut SystemNodeData`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 237 -                         drop(node_data); //drop
[INFO] [stdout] 237 +                         let _ = node_data; //drop
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> task3/src/main.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |             drop(node);
[INFO] [stdout]     |             ^^^^^----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut SystemNode`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 402 -             drop(node);
[INFO] [stdout] 402 +             let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> task3/src/main.rs:164:33
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...                   drop(node_data);
[INFO] [stdout]     |                       ^^^^^---------^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `&mut SystemNodeData`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 164 -                                 drop(node_data);
[INFO] [stdout] 164 +                                 let _ = node_data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> task3/src/main.rs:188:41
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   drop(node_data);
[INFO] [stdout]     |                       ^^^^^---------^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            argument has type `&mut SystemNodeData`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 188 -                                         drop(node_data);
[INFO] [stdout] 188 +                                         let _ = node_data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> task3/src/main.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                         drop(node_data); //drop
[INFO] [stdout]     |                         ^^^^^---------^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              argument has type `&mut SystemNodeData`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 237 -                         drop(node_data); //drop
[INFO] [stdout] 237 +                         let _ = node_data; //drop
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> task3/src/main.rs:402:13
[INFO] [stdout]     |
[INFO] [stdout] 402 |             drop(node);
[INFO] [stdout]     |             ^^^^^----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut SystemNode`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 402 -             drop(node);
[INFO] [stdout] 402 +             let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking task4 v0.1.0 (/opt/rustwide/workdir/task4)
[INFO] [stderr]     Checking task1_produce_inputs v0.1.0 (/opt/rustwide/workdir/task1_produce_inputs)
[INFO] [stderr]     Checking task1 v0.1.0 (/opt/rustwide/workdir/task1)
[INFO] [stdout] warning: unused imports: `HashMap` and `iter::Inspect`
[INFO] [stdout]  --> task1/src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 3 |     iter::Inspect,
[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 imports: `self` and `visit::IntoNodeIdentifiers`
[INFO] [stdout]  --> task1/src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     graph::{self, NodeIndex},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 8 |     visit::IntoNodeIdentifiers,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `iter::Inspect`
[INFO] [stdout]  --> task1/src/main.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 3 |     iter::Inspect,
[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 imports: `self` and `visit::IntoNodeIdentifiers`
[INFO] [stdout]  --> task1/src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     graph::{self, NodeIndex},
[INFO] [stdout]   |             ^^^^
[INFO] [stdout] 8 |     visit::IntoNodeIdentifiers,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> task1_produce_inputs/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[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::collections::HashMap`
[INFO] [stdout]  --> task1_produce_inputs/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.63s
[INFO] running `Command { std: "docker" "inspect" "bd35675cb4eff878de024e03b7a6ff06658c6a008e38ec173eea876dce5787da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd35675cb4eff878de024e03b7a6ff06658c6a008e38ec173eea876dce5787da", kill_on_drop: false }`
[INFO] [stdout] bd35675cb4eff878de024e03b7a6ff06658c6a008e38ec173eea876dce5787da
