[INFO] cloning repository https://github.com/KapDecy/rw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KapDecy/rw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKapDecy%2Frw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKapDecy%2Frw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43360038efd9c6aaf37a599c2c7fab74fbbff6b6
[INFO] checking KapDecy/rw against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKapDecy%2Frw" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KapDecy/rw on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KapDecy/rw
[INFO] finished tweaking git repo https://github.com/KapDecy/rw
[INFO] tweaked toml for git repo https://github.com/KapDecy/rw written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KapDecy/rw 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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "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] checking KapDecy/rw against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKapDecy%2Frw" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KapDecy/rw on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KapDecy/rw
[INFO] finished tweaking git repo https://github.com/KapDecy/rw
[INFO] tweaked toml for git repo https://github.com/KapDecy/rw written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/KapDecy/rw 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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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 KapDecy/rw against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKapDecy%2Frw" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KapDecy/rw on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KapDecy/rw
[INFO] finished tweaking git repo https://github.com/KapDecy/rw
[INFO] tweaked toml for git repo https://github.com/KapDecy/rw written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/KapDecy/rw 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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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 crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded opener v0.5.0
[INFO] [stderr]   Downloaded signal-hook v0.3.14
[INFO] [stderr]   Downloaded lock_api v0.4.9
[INFO] [stderr]   Downloaded parking_lot_core v0.9.5
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded mio v0.8.5
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.0
[INFO] [stderr]   Downloaded libc v0.2.138
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.0
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded tui v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ce7f9749907aad54d51dcbf2610ee88454e35e87bd8a409f73c9dcce2dda7dc
[INFO] running `Command { std: "docker" "start" "-a" "8ce7f9749907aad54d51dcbf2610ee88454e35e87bd8a409f73c9dcce2dda7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ce7f9749907aad54d51dcbf2610ee88454e35e87bd8a409f73c9dcce2dda7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce7f9749907aad54d51dcbf2610ee88454e35e87bd8a409f73c9dcce2dda7dc", kill_on_drop: false }`
[INFO] [stdout] 8ce7f9749907aad54d51dcbf2610ee88454e35e87bd8a409f73c9dcce2dda7dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 816866f1267dacd720916591b610785216ba0e9630f18d803aee5db35d8a4c61
[INFO] running `Command { std: "docker" "start" "-a" "816866f1267dacd720916591b610785216ba0e9630f18d803aee5db35d8a4c61", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking opener v0.5.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking tui v0.19.0
[INFO] [stderr]     Checking rw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Instant`, `SystemTime`
[INFO] [stdout]   --> src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     time::{Instant, SystemTime},
[INFO] [stdout]    |            ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]   --> src/main.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     text::{Span, Spans},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Instant`, `SystemTime`
[INFO] [stdout]   --> src/main.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     time::{Instant, SystemTime},
[INFO] [stdout]    |            ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Span`
[INFO] [stdout]   --> src/main.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     text::{Span, Spans},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dirs` and `files` are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Drive {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 22 |     letter: char,
[INFO] [stdout] 23 |     dirs: Vec<Dir>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     files: Vec<File>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dirs` and `files` are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Drive {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 22 |     letter: char,
[INFO] [stdout] 23 |     dirs: Vec<Dir>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     files: Vec<File>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `path`, and `meta` are never read
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct File {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 28 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     path: Box<Path>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     meta: Option<Metadata>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `dirs`, `files`, and `meta` are never read
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Dir {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 34 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     path: Box<Path>,
[INFO] [stdout] 36 |     dirs: Vec<Dir>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 37 |     files: Vec<File>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 38 |     meta: Option<Metadata>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `path`, and `meta` are never read
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct File {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 28 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     path: Box<Path>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     meta: Option<Metadata>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sel_file` is never read
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct RW {
[INFO] [stdout]    |        -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |     sel_file: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `dirs`, `files`, and `meta` are never read
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Dir {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] 34 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     path: Box<Path>,
[INFO] [stdout] 36 |     dirs: Vec<Dir>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 37 |     files: Vec<File>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 38 |     meta: Option<Metadata>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sel_file` is never read
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct RW {
[INFO] [stdout]    |        -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 45 |     sel_file: Option<u32>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "816866f1267dacd720916591b610785216ba0e9630f18d803aee5db35d8a4c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816866f1267dacd720916591b610785216ba0e9630f18d803aee5db35d8a4c61", kill_on_drop: false }`
[INFO] [stdout] 816866f1267dacd720916591b610785216ba0e9630f18d803aee5db35d8a4c61