[INFO] fetching crate ceres-sandbox 0.2.0...
[INFO] checking ceres-sandbox-0.2.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate ceres-sandbox 0.2.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ceres-sandbox 0.2.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 184 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ecaeaa2409d1c0a6b67b44c062deea9e55d91f1c2f026def9d9d4998fcd76e8
[INFO] running `Command { std: "docker" "start" "-a" "7ecaeaa2409d1c0a6b67b44c062deea9e55d91f1c2f026def9d9d4998fcd76e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ecaeaa2409d1c0a6b67b44c062deea9e55d91f1c2f026def9d9d4998fcd76e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecaeaa2409d1c0a6b67b44c062deea9e55d91f1c2f026def9d9d4998fcd76e8", kill_on_drop: false }`
[INFO] [stdout] 7ecaeaa2409d1c0a6b67b44c062deea9e55d91f1c2f026def9d9d4998fcd76e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a43f8db79520dcf0540ba378d57563c52c016c2fc61725d2c4dd2b7e66e85f4
[INFO] running `Command { std: "docker" "start" "-a" "3a43f8db79520dcf0540ba378d57563c52c016c2fc61725d2c4dd2b7e66e85f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking ceres-std v0.2.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking wasmi-validation v0.4.1
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking patract-wasmi v0.9.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling derivative v2.2.0
[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 26.20s
[INFO] running `Command { std: "docker" "inspect" "3a43f8db79520dcf0540ba378d57563c52c016c2fc61725d2c4dd2b7e66e85f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a43f8db79520dcf0540ba378d57563c52c016c2fc61725d2c4dd2b7e66e85f4", kill_on_drop: false }`
[INFO] [stdout] 3a43f8db79520dcf0540ba378d57563c52c016c2fc61725d2c4dd2b7e66e85f4
