[INFO] fetching crate sled_sync 0.3.0...
[INFO] testing sled_sync-0.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate sled_sync 0.3.0 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sled_sync 0.3.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "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" "+1.91.0" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f186dcb7e2c749631e1636c8fe63fc5dadae312ffb4ea5e4e19838a812f6598
[INFO] running `Command { std: "docker" "start" "-a" "3f186dcb7e2c749631e1636c8fe63fc5dadae312ffb4ea5e4e19838a812f6598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f186dcb7e2c749631e1636c8fe63fc5dadae312ffb4ea5e4e19838a812f6598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f186dcb7e2c749631e1636c8fe63fc5dadae312ffb4ea5e4e19838a812f6598", kill_on_drop: false }`
[INFO] [stdout] 3f186dcb7e2c749631e1636c8fe63fc5dadae312ffb4ea5e4e19838a812f6598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a0b8357e369b17fcf4a7d121c367c67157864662a1db44c1c10389ece79c6f5
[INFO] running `Command { std: "docker" "start" "-a" "0a0b8357e369b17fcf4a7d121c367c67157864662a1db44c1c10389ece79c6f5", 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 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "0a0b8357e369b17fcf4a7d121c367c67157864662a1db44c1c10389ece79c6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a0b8357e369b17fcf4a7d121c367c67157864662a1db44c1c10389ece79c6f5", kill_on_drop: false }`
[INFO] [stdout] 0a0b8357e369b17fcf4a7d121c367c67157864662a1db44c1c10389ece79c6f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e529c6717e26a7251942cf9473a2ce7cebf39452111761a5397bc02896b2b56d
[INFO] running `Command { std: "docker" "start" "-a" "e529c6717e26a7251942cf9473a2ce7cebf39452111761a5397bc02896b2b56d", 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" "e529c6717e26a7251942cf9473a2ce7cebf39452111761a5397bc02896b2b56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e529c6717e26a7251942cf9473a2ce7cebf39452111761a5397bc02896b2b56d", kill_on_drop: false }`
[INFO] [stdout] e529c6717e26a7251942cf9473a2ce7cebf39452111761a5397bc02896b2b56d