[INFO] cloning repository https://github.com/lkschubert8/sherbert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkschubert8/sherbert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/lkschubert8/sherbert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkschubert8/sherbert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/lkschubert8/sherbert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkschubert8/sherbert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/lkschubert8/sherbert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkschubert8/sherbert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/lkschubert8/sherbert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkschubert8/sherbert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/lkschubert8/sherbert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkschubert8/sherbert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/lkschubert8/sherbert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkschubert8/sherbert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b8a2ea1f1936f11ded658f36f9f4722084b32a8
[INFO] testing lkschubert8/sherbert against 1.80.0 for beta-1.81-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkschubert8%2Fsherbert" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lkschubert8/sherbert on toolchain 1.80.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.80.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lkschubert8/sherbert
[INFO] finished tweaking git repo https://github.com/lkschubert8/sherbert
[INFO] tweaked toml for git repo https://github.com/lkschubert8/sherbert written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lkschubert8/sherbert 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" "+1.80.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded circular-queue v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b94376bdb08b3fc613e856e4cb7f349102430ecd5bd89554dccad54df05adc17
[INFO] running `Command { std: "docker" "start" "-a" "b94376bdb08b3fc613e856e4cb7f349102430ecd5bd89554dccad54df05adc17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b94376bdb08b3fc613e856e4cb7f349102430ecd5bd89554dccad54df05adc17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b94376bdb08b3fc613e856e4cb7f349102430ecd5bd89554dccad54df05adc17", kill_on_drop: false }`
[INFO] [stdout] b94376bdb08b3fc613e856e4cb7f349102430ecd5bd89554dccad54df05adc17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3194dd3583cf91da37a15ab667002b0c605fbc076c6ffd38cc0033c5a260bc33
[INFO] running `Command { std: "docker" "start" "-a" "3194dd3583cf91da37a15ab667002b0c605fbc076c6ffd38cc0033c5a260bc33", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular-queue v0.2.0
[INFO] [stderr]    Compiling sherbert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `File` and `read`
[INFO] [stdout]  --> src/key_store/mod.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::{read, File, OpenOptions};
[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]   --> src/key_store/mod.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let mut field = String::from_utf8(field_buffer).expect("Utf conversion f'ed up");
[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: unused variable: `args`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let stream = stream.unwrap();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/key_store/mod.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         self.file.seek(SeekFrom::End(0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let _ = self.file.seek(SeekFrom::End(0));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/key_store/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.file.write(output.as_bytes());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = self.file.write(output.as_bytes());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/key_store/mod.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 self.file.seek(SeekFrom::Start(*pos));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let _ = self.file.seek(SeekFrom::Start(*pos));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/key_store/mod.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 self.file.seek(SeekFrom::Current(1));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let _ = self.file.seek(SeekFrom::Current(1));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/key_store/mod.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             &self.files.push(new_file);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let _ = &self.files.push(new_file);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/key_store/mod.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         &self.files[last_index].add(key, value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let _ = &self.files[last_index].add(key, value);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/key_store/mod.rs:112:15
[INFO] [stdout]     |
[INFO] [stdout] 112 |         while length - read_depth >= 0 {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/key_store/mod.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     &self.read_depths.push(read_depth);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     let _ = &self.read_depths.push(read_depth);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/key_store/mod.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         &self.read_depths.push(read_depth);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let _ = &self.read_depths.push(read_depth);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3194dd3583cf91da37a15ab667002b0c605fbc076c6ffd38cc0033c5a260bc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3194dd3583cf91da37a15ab667002b0c605fbc076c6ffd38cc0033c5a260bc33", kill_on_drop: false }`
[INFO] [stdout] 3194dd3583cf91da37a15ab667002b0c605fbc076c6ffd38cc0033c5a260bc33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+1.80.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b729d07bb4a79739fdaa3839d6b3d643c79c2ac5e47c3abd550e4620274b7813
[INFO] running `Command { std: "docker" "start" "-a" "b729d07bb4a79739fdaa3839d6b3d643c79c2ac5e47c3abd550e4620274b7813", kill_on_drop: false }`
[INFO] [stderr]    Compiling sherbert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `File` and `read`
[INFO] [stdout]  --> src/key_store/mod.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::{read, File, OpenOptions};
[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]   --> src/key_store/mod.rs:58:21
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let mut field = String::from_utf8(field_buffer).expect("Utf conversion f'ed up");
[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: unused variable: `args`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args().collect();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/main.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let stream = stream.unwrap();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/key_store/mod.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         self.file.seek(SeekFrom::End(0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let _ = self.file.seek(SeekFrom::End(0));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/key_store/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         self.file.write(output.as_bytes());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = self.file.write(output.as_bytes());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/key_store/mod.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 self.file.seek(SeekFrom::Start(*pos));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let _ = self.file.seek(SeekFrom::Start(*pos));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/key_store/mod.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 self.file.seek(SeekFrom::Current(1));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let _ = self.file.seek(SeekFrom::Current(1));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/key_store/mod.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             &self.files.push(new_file);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let _ = &self.files.push(new_file);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/key_store/mod.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         &self.files[last_index].add(key, value);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let _ = &self.files[last_index].add(key, value);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/key_store/mod.rs:112:15
[INFO] [stdout]     |
[INFO] [stdout] 112 |         while length - read_depth >= 0 {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/key_store/mod.rs:116:21
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     &self.read_depths.push(read_depth);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     let _ = &self.read_depths.push(read_depth);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/key_store/mod.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         &self.read_depths.push(read_depth);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let _ = &self.read_depths.push(read_depth);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcM0edCa/symbols.o" "/opt/rustwide/target/debug/deps/sherbert-dd81cc881b60bc8b.sherbert.ad365a755f7f755f-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/sherbert-dd81cc881b60bc8b.sherbert.ad365a755f7f755f-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/sherbert-dd81cc881b60bc8b.sherbert.ad365a755f7f755f-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/sherbert-dd81cc881b60bc8b.sherbert.ad365a755f7f755f-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/sherbert-dd81cc881b60bc8b.sherbert.ad365a755f7f755f-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/sherbert-dd81cc881b60bc8b.e69jozzev45cwix7nzcs75mcr.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-54b60a748c677e53.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-9bcac91f96e18782.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-39147797553ffa4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-aee75f1e365c6355.rlib" "/opt/rustwide/target/debug/deps/libcircular_queue-04b204b18900c48a.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0fbbe72b9e0d57dc.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4cbc28d57c85be7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-d583e13b4b2d89a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-5d2a1bfb1589ab43.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-dcf90797fbd00d23.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-3b6828d7a1725131.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-f75bdd612dd19f44.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-130d6997e9e34e6a.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-c9c9da5b4611a660.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0f5b4153173c663b.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-877178c8f84ba478.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3907ca7c36d3c032.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e8b263070ac20a8a.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d1969118c6f0c13e.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d48855f89c749535.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9a1cbc1305da137e.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-d290b706bbcc90ac.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-fd707bd9d5d3d672.rlib" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d4ebcca572002f93.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.80.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/sherbert-dd81cc881b60bc8b" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sherbert` (bin "sherbert" test) due to 2 previous errors; 13 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b729d07bb4a79739fdaa3839d6b3d643c79c2ac5e47c3abd550e4620274b7813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b729d07bb4a79739fdaa3839d6b3d643c79c2ac5e47c3abd550e4620274b7813", kill_on_drop: false }`
[INFO] [stdout] b729d07bb4a79739fdaa3839d6b3d643c79c2ac5e47c3abd550e4620274b7813