[INFO] cloning repository https://github.com/yjh0502/ch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yjh0502/ch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjh0502%2Fch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjh0502%2Fch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 132aa9374e14f6bd7b58c7a6ebd22e5af8af6822
[INFO] testing yjh0502/ch against try#ecd7b559f89c73ac8f1d318f7501006f37b944b2 for pr-112849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyjh0502%2Fch" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yjh0502/ch on toolchain ecd7b559f89c73ac8f1d318f7501006f37b944b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yjh0502/ch
[INFO] finished tweaking git repo https://github.com/yjh0502/ch
[INFO] tweaked toml for git repo https://github.com/yjh0502/ch written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yjh0502/ch 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" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a06d0eee0b50cd8ff61d52fc853a219f107b6eefdf1a23c6bcd1833d48c73e5e
[INFO] running `Command { std: "docker" "start" "-a" "a06d0eee0b50cd8ff61d52fc853a219f107b6eefdf1a23c6bcd1833d48c73e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a06d0eee0b50cd8ff61d52fc853a219f107b6eefdf1a23c6bcd1833d48c73e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06d0eee0b50cd8ff61d52fc853a219f107b6eefdf1a23c6bcd1833d48c73e5e", kill_on_drop: false }`
[INFO] [stdout] a06d0eee0b50cd8ff61d52fc853a219f107b6eefdf1a23c6bcd1833d48c73e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d93f82f4a89810c3f2fe69bb9c221e21de0f166710432272bf2a46c63e88f40b
[INFO] running `Command { std: "docker" "start" "-a" "d93f82f4a89810c3f2fe69bb9c221e21de0f166710432272bf2a46c63e88f40b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling quote v0.6.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.19
[INFO] [stderr]    Compiling syn v0.14.0
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling ordslice v0.3.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.59
[INFO] [stderr]    Compiling csv v1.0.0
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling ch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ch.rs:677:14
[INFO] [stdout]     |
[INFO] [stdout] 677 |             };
[INFO] [stdout]     |              ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:267:49
[INFO] [stdout]     |
[INFO] [stdout] 267 |         forget(transmute::<IdxNodeKey, [u8; 4]>(uninitialized()));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:268:46
[INFO] [stdout]     |
[INFO] [stdout] 268 |         forget(transmute::<IdxLink, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             uninitialized(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ch.rs:742:46
[INFO] [stdout]     |
[INFO] [stdout] 742 |         forget(transmute::<CHEntry, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ch.rs:743:53
[INFO] [stdout]     |
[INFO] [stdout] 743 |         forget(transmute::<CHContraction, [u8; 16]>(uninitialized()));
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     error_chain! {
[INFO] [stdout] 30 | |         foreign_links {
[INFO] [stdout] 31 | |             De(::serde::de::value::Error);
[INFO] [stdout] 32 | |             Csv(::csv::Error);
[INFO] [stdout] 33 | |         }
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     error_chain! {
[INFO] [stdout] 30 | |         foreign_links {
[INFO] [stdout] 31 | |             De(::serde::de::value::Error);
[INFO] [stdout] 32 | |             Csv(::csv::Error);
[INFO] [stdout] 33 | |         }
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dijkstra.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |             if let Some(mut m) = self.min_costs.get_mut(&entry.key) {
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mid` is never read
[INFO] [stdout]    --> src/network/road.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct Node {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 125 |     mid: u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mid` is never read
[INFO] [stdout]   --> src/network/walk.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 57 |     mid: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         forget(transmute::<IdxNodeKey, [u8; 4]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^-------------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 4]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `network::IdxNodeKey` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:267:49
[INFO] [stdout]     |
[INFO] [stdout] 267 |         forget(transmute::<IdxNodeKey, [u8; 4]>(uninitialized()));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/network/mod.rs:8:23
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub struct IdxNodeKey(u32);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         forget(transmute::<IdxLink, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^----------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `network::IdxLink` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:268:46
[INFO] [stdout]     |
[INFO] [stdout] 268 |         forget(transmute::<IdxLink, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              this code causes undefined behavior when executed
[INFO] [stdout]     |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: in this struct field
[INFO] [stdout]    --> src/network/mod.rs:46:5
[INFO] [stdout]     |
[INFO] [stdout] 46  |     pub enode_idx: IdxNodeKey,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/network/mod.rs:8:23
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub struct IdxNodeKey(u32);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |            forget(transmute::<dijkstra::HeapEntry<IdxNodeKey>, [u8; 12]>(
[INFO] [stdout]     |  __________^______-
[INFO] [stdout]     | | _________|
[INFO] [stdout]     | ||
[INFO] [stdout] 271 | ||             uninitialized(),
[INFO] [stdout] 272 | ||         ));
[INFO] [stdout]     | ||_________-^
[INFO] [stdout]     | |__________|
[INFO] [stdout]     |            argument has type `[u8; 12]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `HeapEntry<network::IdxNodeKey>` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             uninitialized(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this code causes undefined behavior when executed
[INFO] [stdout]     |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/dijkstra.rs:14:5
[INFO] [stdout]     |
[INFO] [stdout] 14  |     pub cost: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/ch.rs:742:9
[INFO] [stdout]     |
[INFO] [stdout] 742 |         forget(transmute::<CHEntry, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^----------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `CHEntry` does not permit being left uninitialized
[INFO] [stdout]    --> src/ch.rs:742:46
[INFO] [stdout]     |
[INFO] [stdout] 742 |         forget(transmute::<CHEntry, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              this code causes undefined behavior when executed
[INFO] [stdout]     |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/ch.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout] 34  |     score: i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/ch.rs:743:9
[INFO] [stdout]     |
[INFO] [stdout] 743 |         forget(transmute::<CHContraction, [u8; 16]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^-----------------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 16]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `CHContraction` does not permit being left uninitialized
[INFO] [stdout]    --> src/ch.rs:743:53
[INFO] [stdout]     |
[INFO] [stdout] 743 |         forget(transmute::<CHContraction, [u8; 16]>(uninitialized()));
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     this code causes undefined behavior when executed
[INFO] [stdout]     |                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: in this struct field
[INFO] [stdout]    --> src/ch.rs:50:5
[INFO] [stdout]     |
[INFO] [stdout] 50  |     snode_idx: IdxNodeKey,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/network/mod.rs:8:23
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub struct IdxNodeKey(u32);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.78s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.14.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d93f82f4a89810c3f2fe69bb9c221e21de0f166710432272bf2a46c63e88f40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d93f82f4a89810c3f2fe69bb9c221e21de0f166710432272bf2a46c63e88f40b", kill_on_drop: false }`
[INFO] [stdout] d93f82f4a89810c3f2fe69bb9c221e21de0f166710432272bf2a46c63e88f40b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42a0f39c6dd86bf75a704a578efda9c2c7a9a845cd427c9b562baa6088638beb
[INFO] running `Command { std: "docker" "start" "-a" "42a0f39c6dd86bf75a704a578efda9c2c7a9a845cd427c9b562baa6088638beb", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ch.rs:677:14
[INFO] [stdout]     |
[INFO] [stdout] 677 |             };
[INFO] [stdout]     |              ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:267:49
[INFO] [stdout]     |
[INFO] [stdout] 267 |         forget(transmute::<IdxNodeKey, [u8; 4]>(uninitialized()));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:268:46
[INFO] [stdout]     |
[INFO] [stdout] 268 |         forget(transmute::<IdxLink, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             uninitialized(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ch.rs:742:46
[INFO] [stdout]     |
[INFO] [stdout] 742 |         forget(transmute::<CHEntry, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ch.rs:743:53
[INFO] [stdout]     |
[INFO] [stdout] 743 |         forget(transmute::<CHContraction, [u8; 16]>(uninitialized()));
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     error_chain! {
[INFO] [stdout] 30 | |         foreign_links {
[INFO] [stdout] 31 | |             De(::serde::de::value::Error);
[INFO] [stdout] 32 | |             Csv(::csv::Error);
[INFO] [stdout] 33 | |         }
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     error_chain! {
[INFO] [stdout] 30 | |         foreign_links {
[INFO] [stdout] 31 | |             De(::serde::de::value::Error);
[INFO] [stdout] 32 | |             Csv(::csv::Error);
[INFO] [stdout] 33 | |         }
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dijkstra.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |             if let Some(mut m) = self.min_costs.get_mut(&entry.key) {
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mid` is never read
[INFO] [stdout]    --> src/network/road.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct Node {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 125 |     mid: u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mid` is never read
[INFO] [stdout]   --> src/network/walk.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 57 |     mid: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         forget(transmute::<IdxNodeKey, [u8; 4]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^-------------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 4]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `network::IdxNodeKey` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:267:49
[INFO] [stdout]     |
[INFO] [stdout] 267 |         forget(transmute::<IdxNodeKey, [u8; 4]>(uninitialized()));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/network/mod.rs:8:23
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub struct IdxNodeKey(u32);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         forget(transmute::<IdxLink, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^----------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `network::IdxLink` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:268:46
[INFO] [stdout]     |
[INFO] [stdout] 268 |         forget(transmute::<IdxLink, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              this code causes undefined behavior when executed
[INFO] [stdout]     |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: in this struct field
[INFO] [stdout]    --> src/network/mod.rs:46:5
[INFO] [stdout]     |
[INFO] [stdout] 46  |     pub enode_idx: IdxNodeKey,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/network/mod.rs:8:23
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub struct IdxNodeKey(u32);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |            forget(transmute::<dijkstra::HeapEntry<IdxNodeKey>, [u8; 12]>(
[INFO] [stdout]     |  __________^______-
[INFO] [stdout]     | | _________|
[INFO] [stdout]     | ||
[INFO] [stdout] 271 | ||             uninitialized(),
[INFO] [stdout] 272 | ||         ));
[INFO] [stdout]     | ||_________-^
[INFO] [stdout]     | |__________|
[INFO] [stdout]     |            argument has type `[u8; 12]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `HeapEntry<network::IdxNodeKey>` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             uninitialized(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this code causes undefined behavior when executed
[INFO] [stdout]     |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/dijkstra.rs:14:5
[INFO] [stdout]     |
[INFO] [stdout] 14  |     pub cost: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/ch.rs:742:9
[INFO] [stdout]     |
[INFO] [stdout] 742 |         forget(transmute::<CHEntry, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^----------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `CHEntry` does not permit being left uninitialized
[INFO] [stdout]    --> src/ch.rs:742:46
[INFO] [stdout]     |
[INFO] [stdout] 742 |         forget(transmute::<CHEntry, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              this code causes undefined behavior when executed
[INFO] [stdout]     |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/ch.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout] 34  |     score: i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/ch.rs:743:9
[INFO] [stdout]     |
[INFO] [stdout] 743 |         forget(transmute::<CHContraction, [u8; 16]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^-----------------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 16]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `CHContraction` does not permit being left uninitialized
[INFO] [stdout]    --> src/ch.rs:743:53
[INFO] [stdout]     |
[INFO] [stdout] 743 |         forget(transmute::<CHContraction, [u8; 16]>(uninitialized()));
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     this code causes undefined behavior when executed
[INFO] [stdout]     |                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: in this struct field
[INFO] [stdout]    --> src/ch.rs:50:5
[INFO] [stdout]     |
[INFO] [stdout] 50  |     snode_idx: IdxNodeKey,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/network/mod.rs:8:23
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub struct IdxNodeKey(u32);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ch.rs:677:14
[INFO] [stdout]     |
[INFO] [stdout] 677 |             };
[INFO] [stdout]     |              ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:267:49
[INFO] [stdout]     |
[INFO] [stdout] 267 |         forget(transmute::<IdxNodeKey, [u8; 4]>(uninitialized()));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:268:46
[INFO] [stdout]     |
[INFO] [stdout] 268 |         forget(transmute::<IdxLink, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             uninitialized(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ch.rs:742:46
[INFO] [stdout]     |
[INFO] [stdout] 742 |         forget(transmute::<CHEntry, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/ch.rs:743:53
[INFO] [stdout]     |
[INFO] [stdout] 743 |         forget(transmute::<CHContraction, [u8; 16]>(uninitialized()));
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     error_chain! {
[INFO] [stdout] 30 | |         foreign_links {
[INFO] [stdout] 31 | |             De(::serde::de::value::Error);
[INFO] [stdout] 32 | |             Csv(::csv::Error);
[INFO] [stdout] 33 | |         }
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     error_chain! {
[INFO] [stdout] 30 | |         foreign_links {
[INFO] [stdout] 31 | |             De(::serde::de::value::Error);
[INFO] [stdout] 32 | |             Csv(::csv::Error);
[INFO] [stdout] 33 | |         }
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dijkstra.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |             if let Some(mut m) = self.min_costs.get_mut(&entry.key) {
[INFO] [stdout]     |                         ----^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mid` is never read
[INFO] [stdout]    --> src/network/road.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct Node {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 125 |     mid: u64,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mid` is never read
[INFO] [stdout]   --> src/network/walk.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 57 |     mid: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         forget(transmute::<IdxNodeKey, [u8; 4]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^-------------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 4]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(forgetting_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `network::IdxNodeKey` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:267:49
[INFO] [stdout]     |
[INFO] [stdout] 267 |         forget(transmute::<IdxNodeKey, [u8; 4]>(uninitialized()));
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 this code causes undefined behavior when executed
[INFO] [stdout]     |                                                 help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/network/mod.rs:8:23
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub struct IdxNodeKey(u32);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:268:9
[INFO] [stdout]     |
[INFO] [stdout] 268 |         forget(transmute::<IdxLink, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^----------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `network::IdxLink` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:268:46
[INFO] [stdout]     |
[INFO] [stdout] 268 |         forget(transmute::<IdxLink, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              this code causes undefined behavior when executed
[INFO] [stdout]     |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: in this struct field
[INFO] [stdout]    --> src/network/mod.rs:46:5
[INFO] [stdout]     |
[INFO] [stdout] 46  |     pub enode_idx: IdxNodeKey,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/network/mod.rs:8:23
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub struct IdxNodeKey(u32);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/lib.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |            forget(transmute::<dijkstra::HeapEntry<IdxNodeKey>, [u8; 12]>(
[INFO] [stdout]     |  __________^______-
[INFO] [stdout]     | | _________|
[INFO] [stdout]     | ||
[INFO] [stdout] 271 | ||             uninitialized(),
[INFO] [stdout] 272 | ||         ));
[INFO] [stdout]     | ||_________-^
[INFO] [stdout]     | |__________|
[INFO] [stdout]     |            argument has type `[u8; 12]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `HeapEntry<network::IdxNodeKey>` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:271:13
[INFO] [stdout]     |
[INFO] [stdout] 271 |             uninitialized(),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this code causes undefined behavior when executed
[INFO] [stdout]     |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/dijkstra.rs:14:5
[INFO] [stdout]     |
[INFO] [stdout] 14  |     pub cost: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/ch.rs:742:9
[INFO] [stdout]     |
[INFO] [stdout] 742 |         forget(transmute::<CHEntry, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^----------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `CHEntry` does not permit being left uninitialized
[INFO] [stdout]    --> src/ch.rs:742:46
[INFO] [stdout]     |
[INFO] [stdout] 742 |         forget(transmute::<CHEntry, [u8; 8]>(uninitialized()));
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                              |
[INFO] [stdout]     |                                              this code causes undefined behavior when executed
[INFO] [stdout]     |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/ch.rs:34:5
[INFO] [stdout]     |
[INFO] [stdout] 34  |     score: i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/ch.rs:743:9
[INFO] [stdout]     |
[INFO] [stdout] 743 |         forget(transmute::<CHContraction, [u8; 16]>(uninitialized()));
[INFO] [stdout]     |         ^^^^^^^-----------------------------------------------------^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                argument has type `[u8; 16]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `CHContraction` does not permit being left uninitialized
[INFO] [stdout]    --> src/ch.rs:743:53
[INFO] [stdout]     |
[INFO] [stdout] 743 |         forget(transmute::<CHContraction, [u8; 16]>(uninitialized()));
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                     |
[INFO] [stdout]     |                                                     this code causes undefined behavior when executed
[INFO] [stdout]     |                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout] note: in this struct field
[INFO] [stdout]    --> src/ch.rs:50:5
[INFO] [stdout]     |
[INFO] [stdout] 50  |     snode_idx: IdxNodeKey,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: integers must be initialized (in this struct field)
[INFO] [stdout]    --> src/network/mod.rs:8:23
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub struct IdxNodeKey(u32);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.14.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "42a0f39c6dd86bf75a704a578efda9c2c7a9a845cd427c9b562baa6088638beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a0f39c6dd86bf75a704a578efda9c2c7a9a845cd427c9b562baa6088638beb", kill_on_drop: false }`
[INFO] [stdout] 42a0f39c6dd86bf75a704a578efda9c2c7a9a845cd427c9b562baa6088638beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1500e060be0ed459c98a1f1f72f2441dee907cee02685f43142b2ff5a498dded
[INFO] running `Command { std: "docker" "start" "-a" "1500e060be0ed459c98a1f1f72f2441dee907cee02685f43142b2ff5a498dded", kill_on_drop: false }`
[INFO] [stderr] time="2023-06-23T07:14:02Z" level=error msg="error waiting for container: context canceled"
[INFO] [stderr] Error response from daemon: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/42bafd153ae6ad30ee06a09e85cdbe947e6ee062209be1dc6990293cb000268e/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "1500e060be0ed459c98a1f1f72f2441dee907cee02685f43142b2ff5a498dded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1500e060be0ed459c98a1f1f72f2441dee907cee02685f43142b2ff5a498dded", kill_on_drop: false }`
[INFO] [stdout] 1500e060be0ed459c98a1f1f72f2441dee907cee02685f43142b2ff5a498dded