[INFO] fetching crate mongo-lock 0.3.0...
[INFO] checking mongo-lock-0.3.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate mongo-lock 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mongo-lock 0.3.0
[INFO] finished tweaking crates.io crate mongo-lock 0.3.0
[INFO] tweaked toml for crates.io crate mongo-lock 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mongo-lock 0.3.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 285 packages to latest compatible versions
[INFO] [stderr]       Adding async-executor v1.5.1 (available: v1.13.3)
[INFO] [stderr]       Adding async-global-executor v2.3.1 (available: v2.4.1)
[INFO] [stderr]       Adding async-std v1.12.0 (available: v1.13.2)
[INFO] [stderr]       Adding mongodb v2.8.2 (available: v3.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-global-executor v2.3.1
[INFO] [stderr]   Downloaded async-std-resolver v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6393ae9d96de38ab4e0412ce914bc7f7a323e57197e1e7de7ffaf9cbb762911
[INFO] running `Command { std: "docker" "start" "-a" "c6393ae9d96de38ab4e0412ce914bc7f7a323e57197e1e7de7ffaf9cbb762911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6393ae9d96de38ab4e0412ce914bc7f7a323e57197e1e7de7ffaf9cbb762911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6393ae9d96de38ab4e0412ce914bc7f7a323e57197e1e7de7ffaf9cbb762911", kill_on_drop: false }`
[INFO] [stdout] c6393ae9d96de38ab4e0412ce914bc7f7a323e57197e1e7de7ffaf9cbb762911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef0caa8a1801fe4f441a8d88dd9e81522a097d697812634e5b23c2de9694ed78
[INFO] running `Command { std: "docker" "start" "-a" "ef0caa8a1801fe4f441a8d88dd9e81522a097d697812634e5b23c2de9694ed78", kill_on_drop: false }`
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking event-listener v5.4.1
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[INFO] [stderr]     Checking icu_normalizer v2.0.0
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[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking socket2 v0.4.10
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[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking idna v1.1.0
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[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.143
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[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking rustls v0.21.12
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking serde_bytes v0.11.17
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking bson v2.15.0
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking polling v3.10.0
[INFO] [stderr]     Checking async-io v2.5.0
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking async-signal v0.2.12
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking trust-dns-resolver v0.21.2
[INFO] [stderr]     Checking async-std-resolver v0.21.2
[INFO] [stderr]     Checking mongodb v2.8.2
[INFO] [stderr]     Checking mongo-lock v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::distributions`
[INFO] [stdout]    --> src/lib.rs:179:20
[INFO] [stdout]     |
[INFO] [stdout] 179 |         use rand::{distributions::Alphanumeric, thread_rng, Rng};
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ could not find `distributions` in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> src/lib.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         thread_rng()
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> src/lib.rs:179:49
[INFO] [stdout]     |
[INFO] [stdout] 179 |         use rand::{distributions::Alphanumeric, thread_rng, Rng};
[INFO] [stdout]     |                                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mongo-lock` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ef0caa8a1801fe4f441a8d88dd9e81522a097d697812634e5b23c2de9694ed78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0caa8a1801fe4f441a8d88dd9e81522a097d697812634e5b23c2de9694ed78", kill_on_drop: false }`
[INFO] [stdout] ef0caa8a1801fe4f441a8d88dd9e81522a097d697812634e5b23c2de9694ed78