[INFO] fetching crate rust-cutil 1.0.25092002...
[INFO] checking rust-cutil-1.0.25092002 against master#b3f8586fb1e4859678d6b231e780ff81801d2282 for pr-147589
[INFO] extracting crate rust-cutil 1.0.25092002 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rust-cutil 1.0.25092002
[INFO] finished tweaking crates.io crate rust-cutil 1.0.25092002
[INFO] tweaked toml for crates.io crate rust-cutil 1.0.25092002 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-cutil 1.0.25092002 on toolchain b3f8586fb1e4859678d6b231e780ff81801d2282
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3f8586fb1e4859678d6b231e780ff81801d2282" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-cutil 1.0.25092002 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3f8586fb1e4859678d6b231e780ff81801d2282" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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" "+b3f8586fb1e4859678d6b231e780ff81801d2282" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] c6b6146c1714e5bf6f9193a506787249c5885af42c8804f7ba6073023f907212
[INFO] running `Command { std: "docker" "start" "-a" "c6b6146c1714e5bf6f9193a506787249c5885af42c8804f7ba6073023f907212", kill_on_drop: false }`
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[INFO] [stderr]     Checking rust-cutil v1.0.25092002 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]  --> src/cutil/generator.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{Rng, 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/cutil/generator.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |   let rand_string: String = thread_rng().sample_iter(&Alphanumeric).take(length).map(char::from).collect();
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]  --> src/cutil/generator.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::{Rng, 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/cutil/generator.rs:50:29
[INFO] [stdout]    |
[INFO] [stdout] 50 |   let rand_string: String = thread_rng().sample_iter(&Alphanumeric).take(length).map(char::from).collect();
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]   --> src/cutil/log.rs:10:53
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_subscriber::{fmt, layer::SubscriberExt, prelude::*};
[INFO] [stdout]    |                                                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]   --> src/cutil/log.rs:10:53
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tracing_subscriber::{fmt, layer::SubscriberExt, prelude::*};
[INFO] [stdout]    |                                                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cutil/message_center.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |       if let Ok(mut message) = from_str::<message_center::Message>(&message_b.body) {
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cutil/message_center.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |       if let Ok(mut message) = from_str::<message_center::Message>(&message_b.body) {
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: sqlx-postgres v0.7.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "c6b6146c1714e5bf6f9193a506787249c5885af42c8804f7ba6073023f907212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b6146c1714e5bf6f9193a506787249c5885af42c8804f7ba6073023f907212", kill_on_drop: false }`
[INFO] [stdout] c6b6146c1714e5bf6f9193a506787249c5885af42c8804f7ba6073023f907212