[INFO] cloning repository https://github.com/richa3816/yamg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richa3816/yamg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricha3816%2Fyamg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricha3816%2Fyamg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4aeedcfb92cfa45423a70bb4fb44104f9356eda8
[INFO] checking richa3816/yamg against try#595142ec72045c7f2fab2923de8e59995a52e6e7 for pr-151830
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricha3816%2Fyamg" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/richa3816/yamg
[INFO] finished tweaking git repo https://github.com/richa3816/yamg
[INFO] tweaked toml for git repo https://github.com/richa3816/yamg written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/richa3816/yamg on toolchain 595142ec72045c7f2fab2923de8e59995a52e6e7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/richa3816/yamg 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" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "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 richa3816/yamg against try#595142ec72045c7f2fab2923de8e59995a52e6e7 for pr-151830
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fricha3816%2Fyamg" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/richa3816/yamg
[INFO] finished tweaking git repo https://github.com/richa3816/yamg
[INFO] tweaked toml for git repo https://github.com/richa3816/yamg written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/richa3816/yamg on toolchain 595142ec72045c7f2fab2923de8e59995a52e6e7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/richa3816/yamg 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" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "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 tui v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ef5bf9fbdd02ad09f3c3d3a6fe18c7ee6fd8015c12349f6079b3976558fb1dc
[INFO] running `Command { std: "docker" "start" "-a" "0ef5bf9fbdd02ad09f3c3d3a6fe18c7ee6fd8015c12349f6079b3976558fb1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ef5bf9fbdd02ad09f3c3d3a6fe18c7ee6fd8015c12349f6079b3976558fb1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef5bf9fbdd02ad09f3c3d3a6fe18c7ee6fd8015c12349f6079b3976558fb1dc", kill_on_drop: false }`
[INFO] [stdout] 0ef5bf9fbdd02ad09f3c3d3a6fe18c7ee6fd8015c12349f6079b3976558fb1dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45f8e841773de0baa63e7dd140b21bb8c8a3343d963bf1a2ef8979411c06beeb
[INFO] running `Command { std: "docker" "start" "-a" "45f8e841773de0baa63e7dd140b21bb8c8a3343d963bf1a2ef8979411c06beeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tui v0.19.0
[INFO] [stderr]     Checking yamg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]   --> src/main.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | use rand::{Rng};
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]   --> src/main.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | use rand::{Rng};
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "45f8e841773de0baa63e7dd140b21bb8c8a3343d963bf1a2ef8979411c06beeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f8e841773de0baa63e7dd140b21bb8c8a3343d963bf1a2ef8979411c06beeb", kill_on_drop: false }`
[INFO] [stdout] 45f8e841773de0baa63e7dd140b21bb8c8a3343d963bf1a2ef8979411c06beeb