[INFO] fetching crate niexpctrl_backend 0.1.0...
[INFO] checking niexpctrl_backend-0.1.0 against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] extracting crate niexpctrl_backend 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate niexpctrl_backend 0.1.0
[INFO] finished tweaking crates.io crate niexpctrl_backend 0.1.0
[INFO] tweaked toml for crates.io crate niexpctrl_backend 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate niexpctrl_backend 0.1.0 on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate niexpctrl_backend 0.1.0 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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 839e6a09bdbfc1e9054050f18bf8e12bdba1d0347bf0465f3bf59b2cecbce4a2
[INFO] running `Command { std: "docker" "start" "-a" "839e6a09bdbfc1e9054050f18bf8e12bdba1d0347bf0465f3bf59b2cecbce4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "839e6a09bdbfc1e9054050f18bf8e12bdba1d0347bf0465f3bf59b2cecbce4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839e6a09bdbfc1e9054050f18bf8e12bdba1d0347bf0465f3bf59b2cecbce4a2", kill_on_drop: false }`
[INFO] [stdout] 839e6a09bdbfc1e9054050f18bf8e12bdba1d0347bf0465f3bf59b2cecbce4a2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c44694838e25adfc255293e5faa037b796233647b751efe7e1fa63322b525f57
[INFO] running `Command { std: "docker" "start" "-a" "c44694838e25adfc255293e5faa037b796233647b751efe7e1fa63322b525f57", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.11
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking memchr v2.6.0
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking inventory v0.3.11
[INFO] [stderr]    Compiling nicompiler_backend v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling pyo3-ffi v0.19.2
[INFO] [stderr]    Compiling pyo3 v0.19.2
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]     Checking regex v1.9.4
[INFO] [stderr]    Compiling pyo3-macros-backend v0.19.2
[INFO] [stderr]    Compiling pyo3-macros v0.19.2
[INFO] [stderr]     Checking numpy v0.19.0
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nicompiler_backend-0.3.0/src/experiment.rs:1237:9
[INFO] [stdout]      |
[INFO] [stdout] 1237 |         #[pymethods]
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         creates a temporary value which is freed while still in use
[INFO] [stdout]      |         this usage requires that borrow lasts for `'static`
[INFO] [stdout] ...
[INFO] [stdout] 1467 | impl_exp_boilerplate!(Experiment);
[INFO] [stdout]      | ---------------------------------
[INFO] [stdout]      | |
[INFO] [stdout]      | temporary value is freed at the end of this statement
[INFO] [stdout]      | in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the attribute macro `pymethods` which comes from the expansion of the macro `impl_exp_boilerplate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nicompiler_backend` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c44694838e25adfc255293e5faa037b796233647b751efe7e1fa63322b525f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44694838e25adfc255293e5faa037b796233647b751efe7e1fa63322b525f57", kill_on_drop: false }`
[INFO] [stdout] c44694838e25adfc255293e5faa037b796233647b751efe7e1fa63322b525f57