[INFO] cloning repository https://github.com/kkuriboh/laundry-machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kkuriboh/laundry-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkuriboh%2Flaundry-machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkuriboh%2Flaundry-machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fc589b39eaadae877a7dadafb9d3c0c9f4db553
[INFO] checking kkuriboh/laundry-machine against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkuriboh%2Flaundry-machine" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/kkuriboh/laundry-machine
[INFO] finished tweaking git repo https://github.com/kkuriboh/laundry-machine
[INFO] tweaked toml for git repo https://github.com/kkuriboh/laundry-machine written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kkuriboh/laundry-machine on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kkuriboh/laundry-machine 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-tungstenite v0.20.0
[INFO] [stderr]   Downloaded thiserror v1.0.47
[INFO] [stderr]   Downloaded thiserror-impl v1.0.47
[INFO] [stderr]   Downloaded cargo-husky v1.5.0
[INFO] [stderr]   Downloaded serde_derive v1.0.186
[INFO] [stderr]   Downloaded tungstenite v0.20.0
[INFO] [stderr]   Downloaded serde v1.0.186
[INFO] [stderr]   Downloaded syn v2.0.29
[INFO] [stderr]   Downloaded axum-streams v0.9.1
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c866f8a97a27cbca887e3750a4fa0c382299331d6bdcf9d2d0625a5df0df773
[INFO] running `Command { std: "docker" "start" "-a" "8c866f8a97a27cbca887e3750a4fa0c382299331d6bdcf9d2d0625a5df0df773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c866f8a97a27cbca887e3750a4fa0c382299331d6bdcf9d2d0625a5df0df773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c866f8a97a27cbca887e3750a4fa0c382299331d6bdcf9d2d0625a5df0df773", kill_on_drop: false }`
[INFO] [stdout] 8c866f8a97a27cbca887e3750a4fa0c382299331d6bdcf9d2d0625a5df0df773
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f1b80a11058fb5921147591b91d171d5e720856e688cfdd789447779543b900
[INFO] running `Command { std: "docker" "start" "-a" "7f1b80a11058fb5921147591b91d171d5e720856e688cfdd789447779543b900", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling serde v1.0.186
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
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[INFO] [stderr]     Checking parking_lot_core v0.9.8
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[INFO] [stderr]     Checking signal-hook-registry v1.4.1
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking crypto-common v0.1.6
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[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling serde_derive v1.0.186
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling axum-macros v0.3.8
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling bytemuck_derive v1.4.1
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[INFO] [stderr]     Checking tungstenite v0.20.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-tungstenite v0.20.0
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking axum-streams v0.9.1
[INFO] [stderr]     Checking laundry-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `IsFalse` is never used
[INFO] [stdout]  --> src/generic_helpers.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait IsFalse {}
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace` is never used
[INFO] [stdout]   --> src/primitives/mod.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Chain {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub unsafe fn replace(&mut self, chain: Vec<Block>) {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/primitives/blob.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Blob {
[INFO] [stdout]   |            ^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/primitives/blob.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / #[repr(C)]
[INFO] [stdout] 9  | | pub struct Blob {
[INFO] [stdout] 10 | |     data: [u8; 1024],
[INFO] [stdout] 11 | |     cursor: usize,
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/primitives/block.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Block {
[INFO] [stdout]    |            ^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/primitives/block.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / #[repr(C)]
[INFO] [stdout] 12 | | pub struct Block {
[INFO] [stdout] 13 | |     pub index: usize,
[INFO] [stdout] 14 | |     pub data: Blob,
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     pub previous_hash: Hash,
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `IsFalse` is never used
[INFO] [stdout]  --> src/generic_helpers.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait IsFalse {}
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `replace` is never used
[INFO] [stdout]   --> src/primitives/mod.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Chain {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub unsafe fn replace(&mut self, chain: Vec<Block>) {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/primitives/blob.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Blob {
[INFO] [stdout]   |            ^^^^ field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/primitives/blob.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / #[repr(C)]
[INFO] [stdout] 9  | | pub struct Blob {
[INFO] [stdout] 10 | |     data: [u8; 1024],
[INFO] [stdout] 11 | |     cursor: usize,
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/primitives/block.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Block {
[INFO] [stdout]    |            ^^^^^ field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/primitives/block.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / #[repr(C)]
[INFO] [stdout] 12 | | pub struct Block {
[INFO] [stdout] 13 | |     pub index: usize,
[INFO] [stdout] 14 | |     pub data: Blob,
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     pub previous_hash: Hash,
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.74s
[INFO] running `Command { std: "docker" "inspect" "7f1b80a11058fb5921147591b91d171d5e720856e688cfdd789447779543b900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1b80a11058fb5921147591b91d171d5e720856e688cfdd789447779543b900", kill_on_drop: false }`
[INFO] [stdout] 7f1b80a11058fb5921147591b91d171d5e720856e688cfdd789447779543b900