[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] crate ron-reboot 0.1.0-preview11 is already in cache
[INFO] checking ron-reboot-0.1.0-preview11 against master#ea6ab1bd845790fb31ba790d2c7aec898f89fe62 for pr-99880
[INFO] extracting crate ron-reboot 0.1.0-preview11 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ron-reboot 0.1.0-preview11 on toolchain ea6ab1bd845790fb31ba790d2c7aec898f89fe62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ron-reboot 0.1.0-preview11
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ron-reboot 0.1.0-preview11
[INFO] tweaked toml for crates.io crate ron-reboot 0.1.0-preview11 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate ron-reboot 0.1.0-preview11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8306b63fb1ff1ee49af939334d6d195a0a10287f81ff478cf44e21a6c8912fa2
[INFO] running `Command { std: "docker" "start" "-a" "8306b63fb1ff1ee49af939334d6d195a0a10287f81ff478cf44e21a6c8912fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8306b63fb1ff1ee49af939334d6d195a0a10287f81ff478cf44e21a6c8912fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8306b63fb1ff1ee49af939334d6d195a0a10287f81ff478cf44e21a6c8912fa2", kill_on_drop: false }`
[INFO] [stdout] 8306b63fb1ff1ee49af939334d6d195a0a10287f81ff478cf44e21a6c8912fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+ea6ab1bd845790fb31ba790d2c7aec898f89fe62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea626fb7d665697ec8cfd517756026e7e711e468908672d79aeb8dfe2cc51ffa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ea626fb7d665697ec8cfd517756026e7e711e468908672d79aeb8dfe2cc51ffa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking ron v0.6.6
[INFO] [stderr]     Checking ron-reboot v0.1.0-preview11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `private` is never read
[INFO] [stdout]   --> src/utf8_parser/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct _PrivateConstructor {
[INFO] [stdout]    |            ------------------- field in this struct
[INFO] [stdout] 15 |     private: (),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `_PrivateConstructor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> examples/simple.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MyStruct {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 7 |     x: bool,
[INFO] [stdout]   |     ^
[INFO] [stdout] 8 |     y: String,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]   = note: `MyStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `private` is never read
[INFO] [stdout]   --> src/utf8_parser/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct _PrivateConstructor {
[INFO] [stdout]    |            ------------------- field in this struct
[INFO] [stdout] 15 |     private: (),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `_PrivateConstructor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.49s
[INFO] running `Command { std: "docker" "inspect" "ea626fb7d665697ec8cfd517756026e7e711e468908672d79aeb8dfe2cc51ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea626fb7d665697ec8cfd517756026e7e711e468908672d79aeb8dfe2cc51ffa", kill_on_drop: false }`
[INFO] [stdout] ea626fb7d665697ec8cfd517756026e7e711e468908672d79aeb8dfe2cc51ffa