[INFO] cloning repository https://github.com/RenKoya1/p2p_distributed_tswap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RenKoya1/p2p_distributed_tswap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRenKoya1%2Fp2p_distributed_tswap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRenKoya1%2Fp2p_distributed_tswap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5ef2adef9a7917ec79fbe118d5a99b50fae4838
[INFO] checking RenKoya1/p2p_distributed_tswap against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRenKoya1%2Fp2p_distributed_tswap" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RenKoya1/p2p_distributed_tswap
[INFO] finished tweaking git repo https://github.com/RenKoya1/p2p_distributed_tswap
[INFO] tweaked toml for git repo https://github.com/RenKoya1/p2p_distributed_tswap written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RenKoya1/p2p_distributed_tswap on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RenKoya1/p2p_distributed_tswap 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "30c104c85175f22eef5e42f6eb23f7c8c9ad58e90fda201bd9916c42ce56bdcf", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "dcff07e02e938a83c130f890731f31666382b0f6dce91aadbfbde431f5ad005f", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/map/task_generator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::seq::SliceRandom;
[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::cmp::Ordering`
[INFO] [stdout]  --> src/map/agent.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/map/task_generator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::seq::SliceRandom;
[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::cmp::Ordering`
[INFO] [stdout]  --> src/map/agent.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]   --> src/map/task_generator.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct TaskGeneratorAgent<'a> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 15 |     grid: &'a [Vec<char>],
[INFO] [stdout] 16 |     rng: rand::rngs::ThreadRng,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/algorithm/tswap.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Node {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rng` is never read
[INFO] [stdout]   --> src/map/task_generator.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct TaskGeneratorAgent<'a> {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 15 |     grid: &'a [Vec<char>],
[INFO] [stdout] 16 |     rng: rand::rngs::ThreadRng,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/algorithm/tswap.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Node {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]     --> src/bin/agent.rs:1108:45
[INFO] [stdout]      |
[INFO] [stdout] 1108 | ...                   let msg = serde_json::to_value(&request).unwrap();
[INFO] [stdout]      |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]     --> src/bin/agent.rs:1131:45
[INFO] [stdout]      |
[INFO] [stdout] 1131 | ...                   let msg = serde_json::to_value(&request).unwrap();
[INFO] [stdout]      |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_point` is never read
[INFO] [stdout]    --> src/bin/agent.rs:464:39
[INFO] [stdout]     |
[INFO] [stdout] 464 |     let mut my_point: Option<Point> = None;
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_point` is never read
[INFO] [stdout]    --> src/bin/agent.rs:954:49
[INFO] [stdout]     |
[INFO] [stdout] 954 | ...                   my_point = Some(current_pos);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_point` is never read
[INFO] [stdout]    --> src/bin/agent.rs:934:49
[INFO] [stdout]     |
[INFO] [stdout] 934 | ...                   my_point = Some(current_pos);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_point` is never read
[INFO] [stdout]     --> src/bin/agent.rs:1176:45
[INFO] [stdout]      |
[INFO] [stdout] 1176 | ...                   my_point = Some(current_pos);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_point` is never read
[INFO] [stdout]     --> src/bin/agent.rs:1096:45
[INFO] [stdout]      |
[INFO] [stdout] 1096 | ...                   my_point = Some(current_pos);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]     --> src/bin/agent.rs:1108:45
[INFO] [stdout]      |
[INFO] [stdout] 1108 | ...                   let msg = serde_json::to_value(&request).unwrap();
[INFO] [stdout]      |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]     --> src/bin/agent.rs:1131:45
[INFO] [stdout]      |
[INFO] [stdout] 1131 | ...                   let msg = serde_json::to_value(&request).unwrap();
[INFO] [stdout]      |                           ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_point` is never read
[INFO] [stdout]    --> src/bin/agent.rs:464:39
[INFO] [stdout]     |
[INFO] [stdout] 464 |     let mut my_point: Option<Point> = None;
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_point` is never read
[INFO] [stdout]    --> src/bin/agent.rs:954:49
[INFO] [stdout]     |
[INFO] [stdout] 954 | ...                   my_point = Some(current_pos);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_point` is never read
[INFO] [stdout]    --> src/bin/agent.rs:934:49
[INFO] [stdout]     |
[INFO] [stdout] 934 | ...                   my_point = Some(current_pos);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_point` is never read
[INFO] [stdout]     --> src/bin/agent.rs:1176:45
[INFO] [stdout]      |
[INFO] [stdout] 1176 | ...                   my_point = Some(current_pos);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `my_point` is never read
[INFO] [stdout]     --> src/bin/agent.rs:1096:45
[INFO] [stdout]      |
[INFO] [stdout] 1096 | ...                   my_point = Some(current_pos);
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/agent.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Node {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 38 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/agent.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Node {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 38 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.40s
[INFO] running `Command { std: "docker" "inspect" "dcff07e02e938a83c130f890731f31666382b0f6dce91aadbfbde431f5ad005f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcff07e02e938a83c130f890731f31666382b0f6dce91aadbfbde431f5ad005f", kill_on_drop: false }`
[INFO] [stdout] dcff07e02e938a83c130f890731f31666382b0f6dce91aadbfbde431f5ad005f
