[INFO] fetching crate ceres-sandbox 0.2.0...
[INFO] checking ceres-sandbox-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate ceres-sandbox 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ceres-sandbox 0.2.0
[INFO] finished tweaking crates.io crate ceres-sandbox 0.2.0
[INFO] tweaked toml for crates.io crate ceres-sandbox 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ceres-sandbox 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 185 packages to latest compatible versions
[INFO] [stderr]       Adding parity-scale-codec v2.3.1 (available: v3.7.5)
[INFO] [stderr]       Adding parity-wasm v0.41.0 (available: v0.45.0)
[INFO] [stderr]       Adding zstd-safe v3.0.1+zstd.1.4.9 (available: v3.1.0+zstd.1.4.9)
[INFO] [stderr]       Adding zstd-sys v1.4.20+zstd.1.4.9 (available: v1.6.3+zstd.1.5.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85fdaf582b92f979d409c6cb8111b85a551e0ff82fb3a4d6aa3b1663b4a876d2
[INFO] running `Command { std: "docker" "start" "-a" "85fdaf582b92f979d409c6cb8111b85a551e0ff82fb3a4d6aa3b1663b4a876d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85fdaf582b92f979d409c6cb8111b85a551e0ff82fb3a4d6aa3b1663b4a876d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fdaf582b92f979d409c6cb8111b85a551e0ff82fb3a4d6aa3b1663b4a876d2", kill_on_drop: false }`
[INFO] [stdout] 85fdaf582b92f979d409c6cb8111b85a551e0ff82fb3a4d6aa3b1663b4a876d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91151670ac8b6cc6c3cb0e5aabaf0bb3e55bdd07207553ad8d18156ea43d48f0
[INFO] running `Command { std: "docker" "start" "-a" "91151670ac8b6cc6c3cb0e5aabaf0bb3e55bdd07207553ad8d18156ea43d48f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking ceres-std v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking wasmi-validation v0.4.1
[INFO] [stderr]     Checking patract-wasmi v0.9.1
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking parity-scale-codec v2.3.1
[INFO] [stderr]     Checking ceres-support v0.2.0
[INFO] [stderr]     Checking ceres-executor v0.2.0
[INFO] [stderr]     Checking ceres-sandbox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InstructionWeights` is never constructed
[INFO] [stdout]   --> src/schedule.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct InstructionWeights {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstructionWeights` is never constructed
[INFO] [stdout]   --> src/schedule.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct InstructionWeights {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.98s
[INFO] running `Command { std: "docker" "inspect" "91151670ac8b6cc6c3cb0e5aabaf0bb3e55bdd07207553ad8d18156ea43d48f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91151670ac8b6cc6c3cb0e5aabaf0bb3e55bdd07207553ad8d18156ea43d48f0", kill_on_drop: false }`
[INFO] [stdout] 91151670ac8b6cc6c3cb0e5aabaf0bb3e55bdd07207553ad8d18156ea43d48f0