[INFO] fetching crate balena-cdsl 0.10.6...
[INFO] checking balena-cdsl-0.10.6 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate balena-cdsl 0.10.6 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate balena-cdsl 0.10.6 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] removed /workspace/builds/worker-96/source/rust-toolchain
[INFO] started tweaking crates.io crate balena-cdsl 0.10.6
[INFO] finished tweaking crates.io crate balena-cdsl 0.10.6
[INFO] tweaked toml for crates.io crate balena-cdsl 0.10.6 written to /workspace/builds/worker-96/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] [stderr]     Blocking waiting for file lock on package cache
[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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] [stdout] 9ac0dde406d2e210fd579adab16cd534cc50875875cf03f1d0df5d5eef360e1a
[INFO] running `Command { std: "docker" "start" "-a" "9ac0dde406d2e210fd579adab16cd534cc50875875cf03f1d0df5d5eef360e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ac0dde406d2e210fd579adab16cd534cc50875875cf03f1d0df5d5eef360e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac0dde406d2e210fd579adab16cd534cc50875875cf03f1d0df5d5eef360e1a", kill_on_drop: false }`
[INFO] [stdout] 9ac0dde406d2e210fd579adab16cd534cc50875875cf03f1d0df5d5eef360e1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] [stdout] cef691f68d937693fd170cedbaa43dd776cd5dc4329609150c1398caa168eab2
[INFO] running `Command { std: "docker" "start" "-a" "cef691f68d937693fd170cedbaa43dd776cd5dc4329609150c1398caa168eab2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]    Compiling balena-cdsl v0.10.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> build.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking backtrace v0.3.63
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking yaml-merge-keys v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> src/dsl/schema/compiler/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]   --> src/dsl/schema/compiler/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     message: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.52s
[INFO] running `Command { std: "docker" "inspect" "cef691f68d937693fd170cedbaa43dd776cd5dc4329609150c1398caa168eab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef691f68d937693fd170cedbaa43dd776cd5dc4329609150c1398caa168eab2", kill_on_drop: false }`
[INFO] [stdout] cef691f68d937693fd170cedbaa43dd776cd5dc4329609150c1398caa168eab2