[INFO] fetching crate zerogc-simple 0.2.0-alpha.5...
[INFO] checking zerogc-simple-0.2.0-alpha.5 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate zerogc-simple 0.2.0-alpha.5 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate zerogc-simple 0.2.0-alpha.5 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerogc-simple 0.2.0-alpha.5
[INFO] finished tweaking crates.io crate zerogc-simple 0.2.0-alpha.5
[INFO] tweaked toml for crates.io crate zerogc-simple 0.2.0-alpha.5 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate crates.io crate zerogc-simple 0.2.0-alpha.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-kwargs-derive v0.1.5
[INFO] [stderr]   Downloaded zerogc-derive v0.2.0-alpha.5
[INFO] [stderr]   Downloaded zerogc v0.2.0-alpha.5
[INFO] [stderr]   Downloaded zerogc-context v0.2.0-alpha.5
[INFO] [stderr]   Downloaded proc-macro-kwargs v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e1bc431e52a776fa8680725701269ef3c4ba74f664dda93b3440f2566530d2e
[INFO] running `Command { std: "docker" "start" "-a" "1e1bc431e52a776fa8680725701269ef3c4ba74f664dda93b3440f2566530d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e1bc431e52a776fa8680725701269ef3c4ba74f664dda93b3440f2566530d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1bc431e52a776fa8680725701269ef3c4ba74f664dda93b3440f2566530d2e", kill_on_drop: false }`
[INFO] [stdout] 1e1bc431e52a776fa8680725701269ef3c4ba74f664dda93b3440f2566530d2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6524dc85dad3c723d725541ba9f1a8d5d862b5e2d7f39d8d8e13e32487614025
[INFO] running `Command { std: "docker" "start" "-a" "6524dc85dad3c723d725541ba9f1a8d5d862b5e2d7f39d8d8e13e32487614025", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[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 quote v1.0.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]    Compiling proc-macro-kwargs-derive v0.1.5
[INFO] [stderr]    Compiling proc-macro-kwargs v0.1.5
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.5
[INFO] [stderr]     Checking zerogc v0.2.0-alpha.5
[INFO] [stderr]     Checking zerogc-context v0.2.0-alpha.5
[INFO] [stderr]     Checking zerogc-simple v0.2.0-alpha.5 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/binary_trees.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/arrays.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/binary_trees_parallel.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/trait_objects.rs from 2018 edition to 2021
[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] [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: could not compile `zerogc-simple` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "6524dc85dad3c723d725541ba9f1a8d5d862b5e2d7f39d8d8e13e32487614025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6524dc85dad3c723d725541ba9f1a8d5d862b5e2d7f39d8d8e13e32487614025", kill_on_drop: false }`
[INFO] [stdout] 6524dc85dad3c723d725541ba9f1a8d5d862b5e2d7f39d8d8e13e32487614025