[INFO] fetching crate mongo-lock 0.3.0...
[INFO] testing mongo-lock-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate mongo-lock 0.3.0 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mongo-lock 0.3.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 277 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 generic-array v0.14.7 (available: v0.14.9)
[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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bdf45c681e709fbb42aa19230c6e84d63a7fa07422b6865ce7cdcf5aed0a7d4
[INFO] running `Command { std: "docker" "start" "-a" "5bdf45c681e709fbb42aa19230c6e84d63a7fa07422b6865ce7cdcf5aed0a7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bdf45c681e709fbb42aa19230c6e84d63a7fa07422b6865ce7cdcf5aed0a7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdf45c681e709fbb42aa19230c6e84d63a7fa07422b6865ce7cdcf5aed0a7d4", kill_on_drop: false }`
[INFO] [stdout] 5bdf45c681e709fbb42aa19230c6e84d63a7fa07422b6865ce7cdcf5aed0a7d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3a48238cdae767fadd847b9dad562b725f7bfb81baa733fbdbe75ccd80ee8e1
[INFO] running `Command { std: "docker" "start" "-a" "a3a48238cdae767fadd847b9dad562b725f7bfb81baa733fbdbe75ccd80ee8e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
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[INFO] [stderr]    Compiling icu_locale_core v2.1.1
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[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
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[INFO] [stderr]    Compiling bson v2.15.0
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[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling trust-dns-proto v0.21.2
[INFO] [stderr]    Compiling tokio-util v0.7.17
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[INFO] [stderr]    Compiling derivative v2.2.0
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[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling webpki-roots v0.25.4
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.21.2
[INFO] [stderr]    Compiling async-std-resolver v0.21.2
[INFO] [stderr]    Compiling mongodb v2.8.2
[INFO] [stderr]    Compiling mongo-lock v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "a3a48238cdae767fadd847b9dad562b725f7bfb81baa733fbdbe75ccd80ee8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a48238cdae767fadd847b9dad562b725f7bfb81baa733fbdbe75ccd80ee8e1", kill_on_drop: false }`
[INFO] [stdout] a3a48238cdae767fadd847b9dad562b725f7bfb81baa733fbdbe75ccd80ee8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c95c16871467396016afd5776c63df6a352d82bc82e6fb9e4ecee63abea55b
[INFO] running `Command { std: "docker" "start" "-a" "64c95c16871467396016afd5776c63df6a352d82bc82e6fb9e4ecee63abea55b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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" "64c95c16871467396016afd5776c63df6a352d82bc82e6fb9e4ecee63abea55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c95c16871467396016afd5776c63df6a352d82bc82e6fb9e4ecee63abea55b", kill_on_drop: false }`
[INFO] [stdout] 64c95c16871467396016afd5776c63df6a352d82bc82e6fb9e4ecee63abea55b
