[INFO] cloning repository https://github.com/ilovrencic/File-System-Project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilovrencic/File-System-Project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filovrencic%2FFile-System-Project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filovrencic%2FFile-System-Project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83a34ed15f5d43cef47511bef62f233a441d7dfe
[INFO] building ilovrencic/File-System-Project against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filovrencic%2FFile-System-Project" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ilovrencic/File-System-Project on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ilovrencic/File-System-Project
[INFO] finished tweaking git repo https://github.com/ilovrencic/File-System-Project
[INFO] tweaked toml for git repo https://github.com/ilovrencic/File-System-Project written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ilovrencic/File-System-Project 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] building ilovrencic/File-System-Project against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filovrencic%2FFile-System-Project" "/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/ilovrencic/File-System-Project on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ilovrencic/File-System-Project
[INFO] finished tweaking git repo https://github.com/ilovrencic/File-System-Project
[INFO] tweaked toml for git repo https://github.com/ilovrencic/File-System-Project written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ilovrencic/File-System-Project 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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "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
[ERROR] error running command: no output for 300 seconds
[INFO] building ilovrencic/File-System-Project against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filovrencic%2FFile-System-Project" "/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/ilovrencic/File-System-Project on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ilovrencic/File-System-Project
[INFO] finished tweaking git repo https://github.com/ilovrencic/File-System-Project
[INFO] tweaked toml for git repo https://github.com/ilovrencic/File-System-Project written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ilovrencic/File-System-Project 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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36afa0f83ed4d2fc876c79ef2aae0ce916811995e2cdde6b581ce0b28835d2a0
[INFO] running `Command { std: "docker" "start" "-a" "36afa0f83ed4d2fc876c79ef2aae0ce916811995e2cdde6b581ce0b28835d2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36afa0f83ed4d2fc876c79ef2aae0ce916811995e2cdde6b581ce0b28835d2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36afa0f83ed4d2fc876c79ef2aae0ce916811995e2cdde6b581ce0b28835d2a0", kill_on_drop: false }`
[INFO] [stdout] 36afa0f83ed4d2fc876c79ef2aae0ce916811995e2cdde6b581ce0b28835d2a0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39362e8fff0c19c43c539a24a542d94270d77cc05a773f2158deb0cce9fdd195
[INFO] running `Command { std: "docker" "start" "-a" "39362e8fff0c19c43c539a24a542d94270d77cc05a773f2158deb0cce9fdd195", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling cplfs_api v0.1.0 (/opt/rustwide/workdir/api)
[INFO] [stderr]    Compiling cplfs_sol v0.1.0 (/opt/rustwide/workdir/solution)
[INFO] [stdout] warning: type `DirFS` is more private than the item `c_dirs_support::FSName`
[INFO] [stdout]   --> solution/src/c_dirs_support.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub type FSName = DirFS;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ type alias `c_dirs_support::FSName` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `DirFS` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> solution/src/c_dirs_support.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct DirFS {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.05s
[INFO] running `Command { std: "docker" "inspect" "39362e8fff0c19c43c539a24a542d94270d77cc05a773f2158deb0cce9fdd195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39362e8fff0c19c43c539a24a542d94270d77cc05a773f2158deb0cce9fdd195", kill_on_drop: false }`
[INFO] [stdout] 39362e8fff0c19c43c539a24a542d94270d77cc05a773f2158deb0cce9fdd195
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 952ca2ca4af163cb607782959940c497e78c33bf4b975cced29f632b9eea1f90
[INFO] running `Command { std: "docker" "start" "-a" "952ca2ca4af163cb607782959940c497e78c33bf4b975cced29f632b9eea1f90", kill_on_drop: false }`
[INFO] [stderr]    Compiling cplfs_api v0.1.0 (/opt/rustwide/workdir/api)
[INFO] [stdout] warning: type `DirFS` is more private than the item `c_dirs_support::FSName`
[INFO] [stdout]   --> solution/src/c_dirs_support.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub type FSName = DirFS;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ type alias `c_dirs_support::FSName` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `DirFS` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> solution/src/c_dirs_support.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct DirFS {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cplfs_sol v0.1.0 (/opt/rustwide/workdir/solution)
[INFO] [stdout] warning: type `DirFS` is more private than the item `c_dirs_support::FSName`
[INFO] [stdout]   --> solution/src/c_dirs_support.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub type FSName = DirFS;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ type alias `c_dirs_support::FSName` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `DirFS` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> solution/src/c_dirs_support.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct DirFS {
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "952ca2ca4af163cb607782959940c497e78c33bf4b975cced29f632b9eea1f90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952ca2ca4af163cb607782959940c497e78c33bf4b975cced29f632b9eea1f90", kill_on_drop: false }`
[INFO] [stdout] 952ca2ca4af163cb607782959940c497e78c33bf4b975cced29f632b9eea1f90