[INFO] fetching crate sled_sync 0.3.0...
[INFO] testing sled_sync-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate sled_sync 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sled_sync 0.3.0
[INFO] finished tweaking crates.io crate sled_sync 0.3.0
[INFO] tweaked toml for crates.io crate sled_sync 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sled_sync 0.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam-epoch v0.7.2 (available: v0.9.18)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (available: v0.8.21)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding rand_hc v0.1.0 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc02cc3fcc041a5e4c94982ab04d09a46448ee6da7a715906b5db50540161d16
[INFO] running `Command { std: "docker" "start" "-a" "bc02cc3fcc041a5e4c94982ab04d09a46448ee6da7a715906b5db50540161d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc02cc3fcc041a5e4c94982ab04d09a46448ee6da7a715906b5db50540161d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc02cc3fcc041a5e4c94982ab04d09a46448ee6da7a715906b5db50540161d16", kill_on_drop: false }`
[INFO] [stdout] bc02cc3fcc041a5e4c94982ab04d09a46448ee6da7a715906b5db50540161d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 502a44b3ef2c237e3e23448bb0d8dbcd21e1a836334f397f0a0b89ac77d1fe54
[INFO] running `Command { std: "docker" "start" "-a" "502a44b3ef2c237e3e23448bb0d8dbcd21e1a836334f397f0a0b89ac77d1fe54", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling sled_sync v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "502a44b3ef2c237e3e23448bb0d8dbcd21e1a836334f397f0a0b89ac77d1fe54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502a44b3ef2c237e3e23448bb0d8dbcd21e1a836334f397f0a0b89ac77d1fe54", kill_on_drop: false }`
[INFO] [stdout] 502a44b3ef2c237e3e23448bb0d8dbcd21e1a836334f397f0a0b89ac77d1fe54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 499b4ffec8a3bda0614d1868d7067f3cf41c2fa34aff48dc654b954e05dd599d
[INFO] running `Command { std: "docker" "start" "-a" "499b4ffec8a3bda0614d1868d7067f3cf41c2fa34aff48dc654b954e05dd599d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sled_sync v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]  --> src/debug_delay.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     rand::{
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `log`, `rand`, `rand_hc`
[INFO] [stdout]   --> src/debug_delay.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout]  5 |     log::warn,
[INFO] [stdout]    |     ^^^ use of unresolved module or unlinked crate `log`
[INFO] [stdout]  6 |     rand::{
[INFO] [stdout]    |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout] ...
[INFO] [stdout] 11 |     rand_hc::Hc128Core,
[INFO] [stdout]    |     ^^^^^^^ use of unresolved module or unlinked crate `rand_hc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `log`, use `cargo add log` to add it to your `Cargo.toml`
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout]    = help: if you wanted to use a crate named `rand_hc`, use `cargo add rand_hc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   --> src/debug_delay.rs:83:21
[INFO] [stdout]    |
[INFO] [stdout] 83 |     ) -> Result<(), rand::Error> {
[INFO] [stdout]    |                     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sled_sync` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "499b4ffec8a3bda0614d1868d7067f3cf41c2fa34aff48dc654b954e05dd599d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499b4ffec8a3bda0614d1868d7067f3cf41c2fa34aff48dc654b954e05dd599d", kill_on_drop: false }`
[INFO] [stdout] 499b4ffec8a3bda0614d1868d7067f3cf41c2fa34aff48dc654b954e05dd599d