[INFO] fetching crate cli-rng 0.1.10...
[INFO] testing cli-rng-0.1.10 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate cli-rng 0.1.10 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate cli-rng 0.1.10
[INFO] finished tweaking crates.io crate cli-rng 0.1.10
[INFO] tweaked toml for crates.io crate cli-rng 0.1.10 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cli-rng 0.1.10 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cli-rng 0.1.10 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26b4e349fa6354c0a6922097d2187e50201ddb6399c43ad9ab283c3d4bae741d
[INFO] running `Command { std: "docker" "start" "-a" "26b4e349fa6354c0a6922097d2187e50201ddb6399c43ad9ab283c3d4bae741d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26b4e349fa6354c0a6922097d2187e50201ddb6399c43ad9ab283c3d4bae741d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b4e349fa6354c0a6922097d2187e50201ddb6399c43ad9ab283c3d4bae741d", kill_on_drop: false }`
[INFO] [stdout] 26b4e349fa6354c0a6922097d2187e50201ddb6399c43ad9ab283c3d4bae741d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2781d63f00a3a87fca9a2c2f59a7975c0d350408e7b7f052993f627be840ed70
[INFO] running `Command { std: "docker" "start" "-a" "2781d63f00a3a87fca9a2c2f59a7975c0d350408e7b7f052993f627be840ed70", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cli-rng v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/aura.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let mut random_value: f64 = rand::thread_rng().gen_range(0.0..1.0) / current_luck;
[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 4.95s
[INFO] running `Command { std: "docker" "inspect" "2781d63f00a3a87fca9a2c2f59a7975c0d350408e7b7f052993f627be840ed70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2781d63f00a3a87fca9a2c2f59a7975c0d350408e7b7f052993f627be840ed70", kill_on_drop: false }`
[INFO] [stdout] 2781d63f00a3a87fca9a2c2f59a7975c0d350408e7b7f052993f627be840ed70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df15b0798626bbd4f13e480bb481985c68c7523c36160357eebfbd2e5b59738f
[INFO] running `Command { std: "docker" "start" "-a" "df15b0798626bbd4f13e480bb481985c68c7523c36160357eebfbd2e5b59738f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cli-rng v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/aura.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let mut random_value: f64 = rand::thread_rng().gen_range(0.0..1.0) / current_luck;
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "df15b0798626bbd4f13e480bb481985c68c7523c36160357eebfbd2e5b59738f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df15b0798626bbd4f13e480bb481985c68c7523c36160357eebfbd2e5b59738f", kill_on_drop: false }`
[INFO] [stdout] df15b0798626bbd4f13e480bb481985c68c7523c36160357eebfbd2e5b59738f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb20a97ebfecfc3ca2690ca3d66791a923426de7581ea671c6ddbcb5b630fd2e
[INFO] running `Command { std: "docker" "start" "-a" "bb20a97ebfecfc3ca2690ca3d66791a923426de7581ea671c6ddbcb5b630fd2e", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/aura.rs:317:9
[INFO] [stderr]     |
[INFO] [stderr] 317 |     let mut random_value: f64 = rand::thread_rng().gen_range(0.0..1.0) / current_luck;
[INFO] [stderr]     |         ----^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cli-rng` (bin "cli-rng" test) generated 1 warning (run `cargo fix --bin "cli-rng" -p cli-rng --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cli_rng-0c4aa2a06af46de5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb20a97ebfecfc3ca2690ca3d66791a923426de7581ea671c6ddbcb5b630fd2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb20a97ebfecfc3ca2690ca3d66791a923426de7581ea671c6ddbcb5b630fd2e", kill_on_drop: false }`
[INFO] [stdout] bb20a97ebfecfc3ca2690ca3d66791a923426de7581ea671c6ddbcb5b630fd2e