[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 try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkkuriboh%2Flaundry-machine" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kkuriboh/laundry-machine on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eebc993cd4f3a6c11667bf9286372ca969f56a842807120858d593db1b63a05d
[INFO] running `Command { std: "docker" "start" "-a" "eebc993cd4f3a6c11667bf9286372ca969f56a842807120858d593db1b63a05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eebc993cd4f3a6c11667bf9286372ca969f56a842807120858d593db1b63a05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebc993cd4f3a6c11667bf9286372ca969f56a842807120858d593db1b63a05d", kill_on_drop: false }`
[INFO] [stdout] eebc993cd4f3a6c11667bf9286372ca969f56a842807120858d593db1b63a05d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1cdd8fe8699dd08cc21fdb4378a887a26481d9847b25ab9f8bb60f809ef35b9
[INFO] running `Command { std: "docker" "start" "-a" "f1cdd8fe8699dd08cc21fdb4378a887a26481d9847b25ab9f8bb60f809ef35b9", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling serde v1.0.186
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]     Checking matchit v0.7.2
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[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 serde_derive v1.0.186
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.47
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling axum-macros v0.3.8
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]    Compiling bytemuck_derive v1.4.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tungstenite v0.20.0
[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 hyper v0.14.27
[INFO] [stderr]     Checking tokio-tungstenite v0.20.0
[INFO] [stderr]     Checking tower v0.4.13
[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: the feature `array_windows` has been stable since 1.94.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(array_windows)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `array_windows` has been stable since 1.94.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(array_windows)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 43.60s
[INFO] running `Command { std: "docker" "inspect" "f1cdd8fe8699dd08cc21fdb4378a887a26481d9847b25ab9f8bb60f809ef35b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1cdd8fe8699dd08cc21fdb4378a887a26481d9847b25ab9f8bb60f809ef35b9", kill_on_drop: false }`
[INFO] [stdout] f1cdd8fe8699dd08cc21fdb4378a887a26481d9847b25ab9f8bb60f809ef35b9