[INFO] fetching crate kingslayer 0.5.5...
[INFO] checking kingslayer-0.5.5 against master#7bdae134cba57426d3c56b5de737a351762445e1 for pr-123794
[INFO] extracting crate kingslayer 0.5.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate kingslayer 0.5.5 on toolchain 7bdae134cba57426d3c56b5de737a351762445e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7bdae134cba57426d3c56b5de737a351762445e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kingslayer 0.5.5
[INFO] finished tweaking crates.io crate kingslayer 0.5.5
[INFO] tweaked toml for crates.io crate kingslayer 0.5.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate kingslayer 0.5.5 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" "+7bdae134cba57426d3c56b5de737a351762445e1" "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 kingslayer-0.5.5 against try#f0a46ffcb8bbd220fe569642e5e175207d8e3fea for pr-123794
[INFO] extracting crate kingslayer 0.5.5 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate kingslayer 0.5.5 on toolchain f0a46ffcb8bbd220fe569642e5e175207d8e3fea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kingslayer 0.5.5
[INFO] finished tweaking crates.io crate kingslayer 0.5.5
[INFO] tweaked toml for crates.io crate kingslayer 0.5.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate kingslayer 0.5.5 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" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "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 libc v0.2.120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8afb5f9fc3db2c1e17a97e0a3b1535522dd8efb3fceb471d80b4bcf628ffbbed
[INFO] running `Command { std: "docker" "start" "-a" "8afb5f9fc3db2c1e17a97e0a3b1535522dd8efb3fceb471d80b4bcf628ffbbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8afb5f9fc3db2c1e17a97e0a3b1535522dd8efb3fceb471d80b4bcf628ffbbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8afb5f9fc3db2c1e17a97e0a3b1535522dd8efb3fceb471d80b4bcf628ffbbed", kill_on_drop: false }`
[INFO] [stdout] 8afb5f9fc3db2c1e17a97e0a3b1535522dd8efb3fceb471d80b4bcf628ffbbed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+f0a46ffcb8bbd220fe569642e5e175207d8e3fea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d37af691cdd3d75b644ddc64c19954477d42c6b1c728ad6bc06b9384dbfdf266
[INFO] running `Command { std: "docker" "start" "-a" "d37af691cdd3d75b644ddc64c19954477d42c6b1c728ad6bc06b9384dbfdf266", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ron v0.6.6
[INFO] [stderr]     Checking kingslayer v0.5.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Breakable`
[INFO] [stdout]   --> src/entity/mod.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use breakable::{Breakable, Durability};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Breakable`
[INFO] [stdout]   --> src/entity/mod.rs:12:21
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use breakable::{Breakable, Durability};
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Breakable` is never used
[INFO] [stdout]   --> src/entity/breakable.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait Breakable {}
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lock` is never used
[INFO] [stdout]   --> src/entity/lockable.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Lockable {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn lock(&mut self) -> CmdResult;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Breakable` is never used
[INFO] [stdout]   --> src/entity/breakable.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait Breakable {}
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `lock` is never used
[INFO] [stdout]   --> src/entity/lockable.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Lockable {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn lock(&mut self) -> CmdResult;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "d37af691cdd3d75b644ddc64c19954477d42c6b1c728ad6bc06b9384dbfdf266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37af691cdd3d75b644ddc64c19954477d42c6b1c728ad6bc06b9384dbfdf266", kill_on_drop: false }`
[INFO] [stdout] d37af691cdd3d75b644ddc64c19954477d42c6b1c728ad6bc06b9384dbfdf266