[INFO] fetching crate kingslayer 0.5.5...
[INFO] checking kingslayer-0.5.5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate kingslayer 0.5.5 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate kingslayer 0.5.5 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-7-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a5f06f7bf615b3b3451cb7a6f4698993662c7cd87eab496af256b38879fc515
[INFO] running `Command { std: "docker" "start" "-a" "4a5f06f7bf615b3b3451cb7a6f4698993662c7cd87eab496af256b38879fc515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a5f06f7bf615b3b3451cb7a6f4698993662c7cd87eab496af256b38879fc515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5f06f7bf615b3b3451cb7a6f4698993662c7cd87eab496af256b38879fc515", kill_on_drop: false }`
[INFO] [stdout] 4a5f06f7bf615b3b3451cb7a6f4698993662c7cd87eab496af256b38879fc515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dce4a127cbe312fbfc697d4ae235183f7e6a4f0e1658e00ed307b6cd217a89c
[INFO] running `Command { std: "docker" "start" "-a" "7dce4a127cbe312fbfc697d4ae235183f7e6a4f0e1658e00ed307b6cd217a89c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon v1.5.1
[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: 3 warnings emitted
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.41s
[INFO] running `Command { std: "docker" "inspect" "7dce4a127cbe312fbfc697d4ae235183f7e6a4f0e1658e00ed307b6cd217a89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dce4a127cbe312fbfc697d4ae235183f7e6a4f0e1658e00ed307b6cd217a89c", kill_on_drop: false }`
[INFO] [stdout] 7dce4a127cbe312fbfc697d4ae235183f7e6a4f0e1658e00ed307b6cd217a89c