[INFO] fetching crate docchi_archiver2 0.8.0...
[INFO] testing docchi_archiver2-0.8.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate docchi_archiver2 0.8.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate docchi_archiver2 0.8.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate docchi_archiver2 0.8.0
[INFO] finished tweaking crates.io crate docchi_archiver2 0.8.0
[INFO] tweaked toml for crates.io crate docchi_archiver2 0.8.0 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39a953dc24aa2533665cc992ccacfb31ccd55570d20276e935b0ae8330f44bd6
[INFO] running `Command { std: "docker" "start" "-a" "39a953dc24aa2533665cc992ccacfb31ccd55570d20276e935b0ae8330f44bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39a953dc24aa2533665cc992ccacfb31ccd55570d20276e935b0ae8330f44bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a953dc24aa2533665cc992ccacfb31ccd55570d20276e935b0ae8330f44bd6", kill_on_drop: false }`
[INFO] [stdout] 39a953dc24aa2533665cc992ccacfb31ccd55570d20276e935b0ae8330f44bd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c320897a94594d5df32480e190d9de861bf99a9ee8b52cfab15c98b3619da4b0
[INFO] running `Command { std: "docker" "start" "-a" "c320897a94594d5df32480e190d9de861bf99a9ee8b52cfab15c98b3619da4b0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling with_capacity_safe v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling metrohash v1.0.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling docchi_compaction v0.8.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling docchi_archiver2 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.14s
[INFO] running `Command { std: "docker" "inspect" "c320897a94594d5df32480e190d9de861bf99a9ee8b52cfab15c98b3619da4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c320897a94594d5df32480e190d9de861bf99a9ee8b52cfab15c98b3619da4b0", kill_on_drop: false }`
[INFO] [stdout] c320897a94594d5df32480e190d9de861bf99a9ee8b52cfab15c98b3619da4b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98952ee6e79b19fb638ecd944188c3e7ec86afe689bb5159c4e5b18c07c7c6c0
[INFO] running `Command { std: "docker" "start" "-a" "98952ee6e79b19fb638ecd944188c3e7ec86afe689bb5159c4e5b18c07c7c6c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling docchi_archiver2 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'once_cell'
[INFO] [stdout]  --> src/testing/archive_test.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::lazy::{SyncLazy};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #74465 <https://github.com/rust-lang/rust/issues/74465> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'once_cell'
[INFO] [stdout]  --> src/testing/archive_test.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) static JSON_ARC_OPT : SyncLazy<ArchiveOptions> = SyncLazy::new(|| {
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #74465 <https://github.com/rust-lang/rust/issues/74465> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'once_cell'
[INFO] [stdout]  --> src/testing/archive_test.rs:7:61
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) static JSON_ARC_OPT : SyncLazy<ArchiveOptions> = SyncLazy::new(|| {
[INFO] [stdout]   |                                                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #74465 <https://github.com/rust-lang/rust/issues/74465> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'once_cell'
[INFO] [stdout]  --> src/testing/archive_test.rs:7:61
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) static JSON_ARC_OPT : SyncLazy<ArchiveOptions> = SyncLazy::new(|| {
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #74465 <https://github.com/rust-lang/rust/issues/74465> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `docchi_archiver2` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "98952ee6e79b19fb638ecd944188c3e7ec86afe689bb5159c4e5b18c07c7c6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98952ee6e79b19fb638ecd944188c3e7ec86afe689bb5159c4e5b18c07c7c6c0", kill_on_drop: false }`
[INFO] [stdout] 98952ee6e79b19fb638ecd944188c3e7ec86afe689bb5159c4e5b18c07c7c6c0