[INFO] cloning repository https://github.com/thumperca/walcraft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thumperca/walcraft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthumperca%2Fwalcraft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthumperca%2Fwalcraft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c50dafea351490186779231e36be8f6f7438e37
[INFO] checking thumperca/walcraft against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthumperca%2Fwalcraft" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thumperca/walcraft on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thumperca/walcraft
[INFO] finished tweaking git repo https://github.com/thumperca/walcraft
[INFO] tweaked toml for git repo https://github.com/thumperca/walcraft written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thumperca/walcraft 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2daebae0b3a252fcef3decdc60eb943040575f6e7fafe0e83acd96155e932e30
[INFO] running `Command { std: "docker" "start" "-a" "2daebae0b3a252fcef3decdc60eb943040575f6e7fafe0e83acd96155e932e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2daebae0b3a252fcef3decdc60eb943040575f6e7fafe0e83acd96155e932e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2daebae0b3a252fcef3decdc60eb943040575f6e7fafe0e83acd96155e932e30", kill_on_drop: false }`
[INFO] [stdout] 2daebae0b3a252fcef3decdc60eb943040575f6e7fafe0e83acd96155e932e30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd46ad51254b619ab8337c2a41e38f5f78f2c997fbc72e0d442da208c8f19e6
[INFO] running `Command { std: "docker" "start" "-a" "6dd46ad51254b619ab8337c2a41e38f5f78f2c997fbc72e0d442da208c8f19e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking walcraft v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Output`
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use std::process::Output;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Output`
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use std::process::Output;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_size` and `inner` are never used
[INFO] [stdout]   --> src/writer/buffer.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Buffer {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn with_size(_size: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn inner(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/iter.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |         for i in iterator {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/iter.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let mut iterator = wal.read().unwrap();
[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: associated items `with_size` and `inner` are never used
[INFO] [stdout]   --> src/writer/buffer.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Buffer {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn with_size(_size: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn inner(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.19s
[INFO] running `Command { std: "docker" "inspect" "6dd46ad51254b619ab8337c2a41e38f5f78f2c997fbc72e0d442da208c8f19e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd46ad51254b619ab8337c2a41e38f5f78f2c997fbc72e0d442da208c8f19e6", kill_on_drop: false }`
[INFO] [stdout] 6dd46ad51254b619ab8337c2a41e38f5f78f2c997fbc72e0d442da208c8f19e6