[INFO] fetching crate ceres-sandbox 0.2.0...
[INFO] testing ceres-sandbox-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate ceres-sandbox 0.2.0 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ceres-sandbox 0.2.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 169 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7256978f0aa494e23f7dbbe10bd8b42e3f2fdfa11a9be030320c8bf0b7fd18b3
[INFO] running `Command { std: "docker" "start" "-a" "7256978f0aa494e23f7dbbe10bd8b42e3f2fdfa11a9be030320c8bf0b7fd18b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7256978f0aa494e23f7dbbe10bd8b42e3f2fdfa11a9be030320c8bf0b7fd18b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7256978f0aa494e23f7dbbe10bd8b42e3f2fdfa11a9be030320c8bf0b7fd18b3", kill_on_drop: false }`
[INFO] [stdout] 7256978f0aa494e23f7dbbe10bd8b42e3f2fdfa11a9be030320c8bf0b7fd18b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 319771e0c1ad94399f21918a44660e076074d9c91c20914d1b58f7ddfd3670d4
[INFO] running `Command { std: "docker" "start" "-a" "319771e0c1ad94399f21918a44660e076074d9c91c20914d1b58f7ddfd3670d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling parity-wasm v0.42.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ceres-std v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling bitvec v0.20.4
[INFO] [stderr]    Compiling wasmi-validation v0.4.1
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling patract-wasmi v0.9.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling parity-scale-codec v2.3.1
[INFO] [stderr]    Compiling ceres-support v0.2.0
[INFO] [stderr]    Compiling ceres-executor v0.2.0
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.32s
[INFO] running `Command { std: "docker" "inspect" "319771e0c1ad94399f21918a44660e076074d9c91c20914d1b58f7ddfd3670d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319771e0c1ad94399f21918a44660e076074d9c91c20914d1b58f7ddfd3670d4", kill_on_drop: false }`
[INFO] [stdout] 319771e0c1ad94399f21918a44660e076074d9c91c20914d1b58f7ddfd3670d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2776eef39c0ed2e0564c0fa9be2d87559733f34594dbdd8422850f7da1ff6b82
[INFO] running `Command { std: "docker" "start" "-a" "2776eef39c0ed2e0564c0fa9be2d87559733f34594dbdd8422850f7da1ff6b82", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "2776eef39c0ed2e0564c0fa9be2d87559733f34594dbdd8422850f7da1ff6b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2776eef39c0ed2e0564c0fa9be2d87559733f34594dbdd8422850f7da1ff6b82", kill_on_drop: false }`
[INFO] [stdout] 2776eef39c0ed2e0564c0fa9be2d87559733f34594dbdd8422850f7da1ff6b82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44052f67288f7a8a813d01d66f752ed040a9e6aba71a0587750a2f1fa566ef6a
[INFO] running `Command { std: "docker" "start" "-a" "44052f67288f7a8a813d01d66f752ed040a9e6aba71a0587750a2f1fa566ef6a", kill_on_drop: false }`
[INFO] [stderr] warning: struct `InstructionWeights` is never constructed
[INFO] [stderr]   --> src/schedule.rs:41:12
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct InstructionWeights {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ceres-sandbox` (lib) generated 1 warning
[INFO] [stderr] warning: `ceres-sandbox` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ceres_sandbox-941551934f8abb9d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test util::tests::test_balance_suffix_bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ceres_sandbox
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44052f67288f7a8a813d01d66f752ed040a9e6aba71a0587750a2f1fa566ef6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44052f67288f7a8a813d01d66f752ed040a9e6aba71a0587750a2f1fa566ef6a", kill_on_drop: false }`
[INFO] [stdout] 44052f67288f7a8a813d01d66f752ed040a9e6aba71a0587750a2f1fa566ef6a