[INFO] cloning repository https://github.com/RutvikC/tmpfs_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RutvikC/tmpfs_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRutvikC%2Ftmpfs_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRutvikC%2Ftmpfs_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6afbba6ce3118d00acee7eb3360fd3eebb096474
[INFO] checking RutvikC/tmpfs_rust/6afbba6ce3118d00acee7eb3360fd3eebb096474 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRutvikC%2Ftmpfs_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RutvikC/tmpfs_rust on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RutvikC/tmpfs_rust
[INFO] finished tweaking git repo https://github.com/RutvikC/tmpfs_rust
[INFO] tweaked toml for git repo https://github.com/RutvikC/tmpfs_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RutvikC/tmpfs_rust 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" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking RutvikC/tmpfs_rust/6afbba6ce3118d00acee7eb3360fd3eebb096474 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRutvikC%2Ftmpfs_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RutvikC/tmpfs_rust on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RutvikC/tmpfs_rust
[INFO] finished tweaking git repo https://github.com/RutvikC/tmpfs_rust
[INFO] tweaked toml for git repo https://github.com/RutvikC/tmpfs_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RutvikC/tmpfs_rust 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" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v1.14.0
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 252103e10c5d1b975b1935d01c2e6d0d182967a18ba893a6688f05828313a3e8
[INFO] running `Command { std: "docker" "start" "-a" "252103e10c5d1b975b1935d01c2e6d0d182967a18ba893a6688f05828313a3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "252103e10c5d1b975b1935d01c2e6d0d182967a18ba893a6688f05828313a3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252103e10c5d1b975b1935d01c2e6d0d182967a18ba893a6688f05828313a3e8", kill_on_drop: false }`
[INFO] [stdout] 252103e10c5d1b975b1935d01c2e6d0d182967a18ba893a6688f05828313a3e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b87c0ea7f86e0f7b1fd3205aac381e4c10d701ea3862aaf53b1c43c759f4041
[INFO] running `Command { std: "docker" "start" "-a" "2b87c0ea7f86e0f7b1fd3205aac381e4c10d701ea3862aaf53b1c43c759f4041", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking tmpfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `fs_max_size` is never read
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut fs_max_size:u64 = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fs_max_size` is never read
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut fs_max_size:u64 = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "2b87c0ea7f86e0f7b1fd3205aac381e4c10d701ea3862aaf53b1c43c759f4041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b87c0ea7f86e0f7b1fd3205aac381e4c10d701ea3862aaf53b1c43c759f4041", kill_on_drop: false }`
[INFO] [stdout] 2b87c0ea7f86e0f7b1fd3205aac381e4c10d701ea3862aaf53b1c43c759f4041
