[INFO] fetching crate virt-ic 0.5.2...
[INFO] checking virt-ic-0.5.2 against 1.95.0 for pr-155915
[INFO] extracting crate virt-ic 0.5.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate virt-ic 0.5.2
[INFO] finished tweaking crates.io crate virt-ic 0.5.2
[INFO] tweaked toml for crates.io crate virt-ic 0.5.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate virt-ic 0.5.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate virt-ic 0.5.2 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded serde_derive v1.0.158
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded ron v0.8.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded syn v2.0.9
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 548a5aeaffc702c11e37c941501c4a1358c7402efe23315be2c6560155c5bee4
[INFO] running `Command { std: "docker" "start" "-a" "548a5aeaffc702c11e37c941501c4a1358c7402efe23315be2c6560155c5bee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "548a5aeaffc702c11e37c941501c4a1358c7402efe23315be2c6560155c5bee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548a5aeaffc702c11e37c941501c4a1358c7402efe23315be2c6560155c5bee4", kill_on_drop: false }`
[INFO] [stdout] 548a5aeaffc702c11e37c941501c4a1358c7402efe23315be2c6560155c5bee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9ade62330db5783b6e9d0974311c1f08f187898acb980f896f3b119b12962b8
[INFO] running `Command { std: "docker" "start" "-a" "d9ade62330db5783b6e9d0974311c1f08f187898acb980f896f3b119b12962b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling syn v2.0.9
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking ron v0.8.0
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking virt-ic v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/board.rs:153:25
[INFO] [stdout]     |
[INFO] [stdout] 153 |             if let Some(mut pin) = chip_storage
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/board.rs:153:25
[INFO] [stdout]     |
[INFO] [stdout] 153 |             if let Some(mut pin) = chip_storage
[INFO] [stdout]     |                         ----^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.03s
[INFO] running `Command { std: "docker" "inspect" "d9ade62330db5783b6e9d0974311c1f08f187898acb980f896f3b119b12962b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ade62330db5783b6e9d0974311c1f08f187898acb980f896f3b119b12962b8", kill_on_drop: false }`
[INFO] [stdout] d9ade62330db5783b6e9d0974311c1f08f187898acb980f896f3b119b12962b8
