[INFO] fetching crate pot-o-mining 0.2.0...
[INFO] testing pot-o-mining-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate pot-o-mining 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pot-o-mining 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pot-o-mining 0.2.0
[INFO] tweaked toml for crates.io crate pot-o-mining 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pot-o-mining 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pot-o-mining 0.2.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5b14d0cc902770b64af39e86b010dfa6ae5c69b3b7b3f3fe9e2c908ca799363
[INFO] running `Command { std: "docker" "start" "-a" "b5b14d0cc902770b64af39e86b010dfa6ae5c69b3b7b3f3fe9e2c908ca799363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b14d0cc902770b64af39e86b010dfa6ae5c69b3b7b3f3fe9e2c908ca799363", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b14d0cc902770b64af39e86b010dfa6ae5c69b3b7b3f3fe9e2c908ca799363", kill_on_drop: false }`
[INFO] [stdout] b5b14d0cc902770b64af39e86b010dfa6ae5c69b3b7b3f3fe9e2c908ca799363
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c833b65250fbb8e989894ba594bda5ccd4735b935a863998ece3d155f7cb48a
[INFO] running `Command { std: "docker" "start" "-a" "0c833b65250fbb8e989894ba594bda5ccd4735b935a863998ece3d155f7cb48a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling uuid v1.21.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling pot-o-core v0.2.0
[INFO] [stderr]    Compiling ai3-lib v0.2.0
[INFO] [stderr]    Compiling pot-o-mining v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.51s
[INFO] running `Command { std: "docker" "inspect" "0c833b65250fbb8e989894ba594bda5ccd4735b935a863998ece3d155f7cb48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c833b65250fbb8e989894ba594bda5ccd4735b935a863998ece3d155f7cb48a", kill_on_drop: false }`
[INFO] [stdout] 0c833b65250fbb8e989894ba594bda5ccd4735b935a863998ece3d155f7cb48a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8f7ad372ebd4b20fb53be98766da9236a1794660840fdd87d394127eeddc400
[INFO] running `Command { std: "docker" "start" "-a" "e8f7ad372ebd4b20fb53be98766da9236a1794660840fdd87d394127eeddc400", kill_on_drop: false }`
[INFO] [stderr]    Compiling pot-o-mining v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Challenge`
[INFO] [stdout]  --> tests/mining_tests.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pot_o_mining::{Challenge, ChallengeGenerator};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `shape` found for struct `ai3_lib::tensor::Tensor` in the current scope
[INFO] [stdout]    --> tests/mining_tests.rs:150:39
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let dims = challenge.input_tensor.shape().dims();
[INFO] [stdout]     |                                       ^^^^^-- help: remove the arguments
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       field, not a method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pot-o-mining` (test "mining_tests") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e8f7ad372ebd4b20fb53be98766da9236a1794660840fdd87d394127eeddc400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f7ad372ebd4b20fb53be98766da9236a1794660840fdd87d394127eeddc400", kill_on_drop: false }`
[INFO] [stdout] e8f7ad372ebd4b20fb53be98766da9236a1794660840fdd87d394127eeddc400