[INFO] fetching crate zerogc-simple 0.2.0-alpha.4...
[INFO] testing zerogc-simple-0.2.0-alpha.4 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate zerogc-simple 0.2.0-alpha.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zerogc-simple 0.2.0-alpha.4 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerogc-simple 0.2.0-alpha.4
[INFO] finished tweaking crates.io crate zerogc-simple 0.2.0-alpha.4
[INFO] tweaked toml for crates.io crate zerogc-simple 0.2.0-alpha.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate zerogc-simple 0.2.0-alpha.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerogc v0.2.0-alpha.4
[INFO] [stderr]   Downloaded zerogc-context v0.2.0-alpha.4
[INFO] [stderr]   Downloaded zerogc-derive v0.2.0-alpha.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e3362ed5562ad3d507cbba4114b1a2c970de8b935e4a591e50387f5a9303404
[INFO] running `Command { std: "docker" "start" "-a" "6e3362ed5562ad3d507cbba4114b1a2c970de8b935e4a591e50387f5a9303404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e3362ed5562ad3d507cbba4114b1a2c970de8b935e4a591e50387f5a9303404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3362ed5562ad3d507cbba4114b1a2c970de8b935e4a591e50387f5a9303404", kill_on_drop: false }`
[INFO] [stdout] 6e3362ed5562ad3d507cbba4114b1a2c970de8b935e4a591e50387f5a9303404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91cd22c19694ab5036dda41e664d592ba6c40e0db73c5830c28578fb60211c3f
[INFO] running `Command { std: "docker" "start" "-a" "91cd22c19694ab5036dda41e664d592ba6c40e0db73c5830c28578fb60211c3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.4
[INFO] [stderr]    Compiling zerogc v0.2.0-alpha.4
[INFO] [stderr]    Compiling zerogc-context v0.2.0-alpha.4
[INFO] [stderr]    Compiling zerogc-simple v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.18s
[INFO] running `Command { std: "docker" "inspect" "91cd22c19694ab5036dda41e664d592ba6c40e0db73c5830c28578fb60211c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91cd22c19694ab5036dda41e664d592ba6c40e0db73c5830c28578fb60211c3f", kill_on_drop: false }`
[INFO] [stdout] 91cd22c19694ab5036dda41e664d592ba6c40e0db73c5830c28578fb60211c3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e87f27e975abf4e86ec1d460226945ccbe3a98c525f7ce97227c39c87eec45a0
[INFO] running `Command { std: "docker" "start" "-a" "e87f27e975abf4e86ec1d460226945ccbe3a98c525f7ce97227c39c87eec45a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling slog-term v2.8.0
[INFO] [stderr]    Compiling zerogc-simple v0.2.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `zerogc-simple` due to 2 previous errors
[INFO] [stdout] error[E0505]: cannot move out of `gc` because it is borrowed
[INFO] [stdout]   --> examples/binary_trees_parallel.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let long_lived_tree = bottom_up_tree(&gc, max_depth);
[INFO] [stdout]    |                                          --- borrow of `gc` occurs here
[INFO] [stdout] 73 |     let long_lived_tree = long_lived_tree.create_handle();
[INFO] [stdout] 74 |     let frozen = freeze_context!(gc);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ move out of `gc` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 84 |     let long_lived_tree = long_lived_tree.bind_to(&new_context);
[INFO] [stdout]    |                           --------------- borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `freeze_context` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0505`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e87f27e975abf4e86ec1d460226945ccbe3a98c525f7ce97227c39c87eec45a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87f27e975abf4e86ec1d460226945ccbe3a98c525f7ce97227c39c87eec45a0", kill_on_drop: false }`
[INFO] [stdout] e87f27e975abf4e86ec1d460226945ccbe3a98c525f7ce97227c39c87eec45a0