[INFO] fetching crate walle-core 0.1.1...
[INFO] checking walle-core-0.1.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate walle-core 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate walle-core 0.1.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate walle-core 0.1.1
[INFO] finished tweaking crates.io crate walle-core 0.1.1
[INFO] tweaked toml for crates.io crate walle-core 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] 76ed8cf2ca6c8a092b2416becd5cf97f6426c799b581744aafd37fafdfa11b80
[INFO] running `Command { std: "docker" "start" "-a" "76ed8cf2ca6c8a092b2416becd5cf97f6426c799b581744aafd37fafdfa11b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76ed8cf2ca6c8a092b2416becd5cf97f6426c799b581744aafd37fafdfa11b80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ed8cf2ca6c8a092b2416becd5cf97f6426c799b581744aafd37fafdfa11b80", kill_on_drop: false }`
[INFO] [stdout] 76ed8cf2ca6c8a092b2416becd5cf97f6426c799b581744aafd37fafdfa11b80
[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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 523b00436f73d5a82a069b8c08b908af5b97485747da54e53ec803fb5edc0b81
[INFO] running `Command { std: "docker" "start" "-a" "523b00436f73d5a82a069b8c08b908af5b97485747da54e53ec803fb5edc0b81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking walle-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `impl`
[INFO] [stdout]  --> src/event_builder.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     r#impl: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `platform`
[INFO] [stdout]  --> src/event_builder.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     platform: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `self_id`
[INFO] [stdout]  --> src/event_builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     self_id: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `impl`
[INFO] [stdout]  --> src/event_builder.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     r#impl: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `platform`
[INFO] [stdout]  --> src/event_builder.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     platform: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `self_id`
[INFO] [stdout]  --> src/event_builder.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     self_id: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.78s
[INFO] running `Command { std: "docker" "inspect" "523b00436f73d5a82a069b8c08b908af5b97485747da54e53ec803fb5edc0b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523b00436f73d5a82a069b8c08b908af5b97485747da54e53ec803fb5edc0b81", kill_on_drop: false }`
[INFO] [stdout] 523b00436f73d5a82a069b8c08b908af5b97485747da54e53ec803fb5edc0b81