[INFO] cloning repository https://github.com/Noah-Huppert/toy-file-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Noah-Huppert/toy-file-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoah-Huppert%2Ftoy-file-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoah-Huppert%2Ftoy-file-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4f1e658a1af3a58be133ed65c4a536ab4d5cf53
[INFO] testing Noah-Huppert/toy-file-system against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoah-Huppert%2Ftoy-file-system" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Noah-Huppert/toy-file-system on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Noah-Huppert/toy-file-system
[INFO] finished tweaking git repo https://github.com/Noah-Huppert/toy-file-system
[INFO] tweaked toml for git repo https://github.com/Noah-Huppert/toy-file-system written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/Noah-Huppert/toy-file-system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 609a9e377a8c2fd9277be8aa7f8483a4727ed298b75e697c1608dc591ab93d46
[INFO] running `Command { std: "docker" "start" "-a" "609a9e377a8c2fd9277be8aa7f8483a4727ed298b75e697c1608dc591ab93d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "609a9e377a8c2fd9277be8aa7f8483a4727ed298b75e697c1608dc591ab93d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609a9e377a8c2fd9277be8aa7f8483a4727ed298b75e697c1608dc591ab93d46", kill_on_drop: false }`
[INFO] [stdout] 609a9e377a8c2fd9277be8aa7f8483a4727ed298b75e697c1608dc591ab93d46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c8a6d6821c61257623a549f928c84bb1b6931e0f8a28deb8b86cf9e30293ff0
[INFO] running `Command { std: "docker" "start" "-a" "3c8a6d6821c61257623a549f928c84bb1b6931e0f8a28deb8b86cf9e30293ff0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling toy-filesystem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut disk_file: File;
[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: constant is never used: `MAX_ROOT_INODES`
[INFO] [stdout]   --> src/main.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const MAX_ROOT_INODES: u8 = 128;
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.54s
[INFO] running `Command { std: "docker" "inspect" "3c8a6d6821c61257623a549f928c84bb1b6931e0f8a28deb8b86cf9e30293ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8a6d6821c61257623a549f928c84bb1b6931e0f8a28deb8b86cf9e30293ff0", kill_on_drop: false }`
[INFO] [stdout] 3c8a6d6821c61257623a549f928c84bb1b6931e0f8a28deb8b86cf9e30293ff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af4f0e4a7a86ae5f56824e3c4aea45f78f9c0847419de1b744810f054ecaf8b7
[INFO] running `Command { std: "docker" "start" "-a" "af4f0e4a7a86ae5f56824e3c4aea45f78f9c0847419de1b744810f054ecaf8b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling toy-filesystem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut disk_file: File;
[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: constant is never used: `MAX_ROOT_INODES`
[INFO] [stdout]   --> src/main.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const MAX_ROOT_INODES: u8 = 128;
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/toy_filesystem-05a5573eabf28512)
[INFO] running `Command { std: "docker" "inspect" "af4f0e4a7a86ae5f56824e3c4aea45f78f9c0847419de1b744810f054ecaf8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4f0e4a7a86ae5f56824e3c4aea45f78f9c0847419de1b744810f054ecaf8b7", kill_on_drop: false }`
[INFO] [stdout] af4f0e4a7a86ae5f56824e3c4aea45f78f9c0847419de1b744810f054ecaf8b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3df6b34cfeb8f68a237861c622737ebef3fe4941ea6041f56f0092125ae5229
[INFO] running `Command { std: "docker" "start" "-a" "a3df6b34cfeb8f68a237861c622737ebef3fe4941ea6041f56f0092125ae5229", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:60:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr] 60 |     let mut disk_file: File;
[INFO] [stdout] 
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |         |
[INFO] [stdout] 
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MAX_ROOT_INODES`
[INFO] [stderr]   --> src/main.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | const MAX_ROOT_INODES: u8 = 128;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `toy-filesystem` (bin "toy-filesystem" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/toy_filesystem-05a5573eabf28512)
[INFO] running `Command { std: "docker" "inspect" "a3df6b34cfeb8f68a237861c622737ebef3fe4941ea6041f56f0092125ae5229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3df6b34cfeb8f68a237861c622737ebef3fe4941ea6041f56f0092125ae5229", kill_on_drop: false }`
[INFO] [stdout] a3df6b34cfeb8f68a237861c622737ebef3fe4941ea6041f56f0092125ae5229