[INFO] cloning repository https://github.com/enosuity/hacker-programs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enosuity/hacker-programs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenosuity%2Fhacker-programs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenosuity%2Fhacker-programs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2161654d2450271d0b42ae9d3e03b68bf8bf9e6
[INFO] checking enosuity/hacker-programs against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenosuity%2Fhacker-programs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/enosuity/hacker-programs
[INFO] finished tweaking git repo https://github.com/enosuity/hacker-programs
[INFO] tweaked toml for git repo https://github.com/enosuity/hacker-programs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/enosuity/hacker-programs on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/enosuity/hacker-programs 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/Cargo.toml: unused manifest key: dependencies.week-preparation-kit.default
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minisearch v0.1.1
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 336f2b9042367089a7d21c415e0ac87ac277b68edd871f0388b94916b28cce1a
[INFO] running `Command { std: "docker" "start" "-a" "336f2b9042367089a7d21c415e0ac87ac277b68edd871f0388b94916b28cce1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "336f2b9042367089a7d21c415e0ac87ac277b68edd871f0388b94916b28cce1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336f2b9042367089a7d21c415e0ac87ac277b68edd871f0388b94916b28cce1a", kill_on_drop: false }`
[INFO] [stdout] 336f2b9042367089a7d21c415e0ac87ac277b68edd871f0388b94916b28cce1a
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ce9bf489e5ca1c7f79790e46113c34c04037464f58b067fe1a9fb79fcbc25ce
[INFO] running `Command { std: "docker" "start" "-a" "4ce9bf489e5ca1c7f79790e46113c34c04037464f58b067fe1a9fb79fcbc25ce", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: dependencies.week-preparation-kit.default
[INFO] [stderr]     Checking week-preparation-kit v0.1.0 (/opt/rustwide/workdir/week-preparation-kit)
[INFO] [stderr]     Checking minisearch v0.1.1
[INFO] [stderr]     Checking minisearch v0.1.1 (/opt/rustwide/workdir/minisearch)
[INFO] [stdout] warning: unused imports: `Read` and `self`
[INFO] [stdout]  --> minisearch/src/inventory/store.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `self`
[INFO] [stdout]  --> minisearch/src/inventory/store.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> minisearch/src/inventory/store.rs:58:11
[INFO] [stdout]    |
[INFO] [stdout] 58 |       let mut counter = categories.entry(item.clone()).or_insert(0);
[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 `shirts` is never read
[INFO] [stdout]   --> minisearch/src/inventory/store.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Inventory {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 16 |   shirts: Vec<ShirtColor>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Inventory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> minisearch/src/inventory/store.rs:58:11
[INFO] [stdout]    |
[INFO] [stdout] 58 |       let mut counter = categories.entry(item.clone()).or_insert(0);
[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 `shirts` is never read
[INFO] [stdout]   --> minisearch/src/inventory/store.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Inventory {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 16 |   shirts: Vec<ShirtColor>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Inventory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaEfJs4d/full.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `week-preparation-kit` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4ce9bf489e5ca1c7f79790e46113c34c04037464f58b067fe1a9fb79fcbc25ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce9bf489e5ca1c7f79790e46113c34c04037464f58b067fe1a9fb79fcbc25ce", kill_on_drop: false }`
[INFO] [stdout] 4ce9bf489e5ca1c7f79790e46113c34c04037464f58b067fe1a9fb79fcbc25ce