[INFO] fetching crate use 0.0.1-pre.0...
[INFO] testing use-0.0.1-pre.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate use 0.0.1-pre.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate use 0.0.1-pre.0
[INFO] finished tweaking crates.io crate use 0.0.1-pre.0
[INFO] tweaked toml for crates.io crate use 0.0.1-pre.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate use 0.0.1-pre.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12971959b49ed526d2653b300a31112e123c93759f2ace0e371a55dd65b0e969
[INFO] running `Command { std: "docker" "start" "-a" "12971959b49ed526d2653b300a31112e123c93759f2ace0e371a55dd65b0e969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12971959b49ed526d2653b300a31112e123c93759f2ace0e371a55dd65b0e969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12971959b49ed526d2653b300a31112e123c93759f2ace0e371a55dd65b0e969", kill_on_drop: false }`
[INFO] [stdout] 12971959b49ed526d2653b300a31112e123c93759f2ace0e371a55dd65b0e969
[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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 777455a5e08d0d17062528829b222d94d63e7012f88d5d0df858c4a5f8499c63
[INFO] running `Command { std: "docker" "start" "-a" "777455a5e08d0d17062528829b222d94d63e7012f88d5d0df858c4a5f8499c63", kill_on_drop: false }`
[INFO] [stderr]    Compiling use v0.0.1-pre.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `useFn` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn useFn() {
[INFO] [stdout]   |        ^^^^^ help: convert the identifier to snake case: `use_fn`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "777455a5e08d0d17062528829b222d94d63e7012f88d5d0df858c4a5f8499c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "777455a5e08d0d17062528829b222d94d63e7012f88d5d0df858c4a5f8499c63", kill_on_drop: false }`
[INFO] [stdout] 777455a5e08d0d17062528829b222d94d63e7012f88d5d0df858c4a5f8499c63
[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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd5e586ae249a8a7d03b0edbc131ce174cd7742e2162c91a868e200e9a35dfa3
[INFO] running `Command { std: "docker" "start" "-a" "dd5e586ae249a8a7d03b0edbc131ce174cd7742e2162c91a868e200e9a35dfa3", kill_on_drop: false }`
[INFO] [stdout] warning: function `useFn` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn useFn() {
[INFO] [stdout]   |        ^^^^^ help: convert the identifier to snake case: `use_fn`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling use v0.0.1-pre.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `useFn` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn useFn() {
[INFO] [stdout]   |        ^^^^^ help: convert the identifier to snake case: `use_fn`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "dd5e586ae249a8a7d03b0edbc131ce174cd7742e2162c91a868e200e9a35dfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5e586ae249a8a7d03b0edbc131ce174cd7742e2162c91a868e200e9a35dfa3", kill_on_drop: false }`
[INFO] [stdout] dd5e586ae249a8a7d03b0edbc131ce174cd7742e2162c91a868e200e9a35dfa3
[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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] efa6b0e4aff91d32b458ae3f9a843dfad519c6d01f3a382558517fd534ca84fb
[INFO] running `Command { std: "docker" "start" "-a" "efa6b0e4aff91d32b458ae3f9a843dfad519c6d01f3a382558517fd534ca84fb", kill_on_drop: false }`
[INFO] [stderr] warning: function `useFn` should have a snake case name
[INFO] [stderr]  --> src/lib.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn useFn() {
[INFO] [stderr]   |        ^^^^^ help: convert the identifier to snake case: `use_fn`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `use` (lib) generated 1 warning
[INFO] [stderr] warning: `use` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/use-f126144549310156)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests use
[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] [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" "efa6b0e4aff91d32b458ae3f9a843dfad519c6d01f3a382558517fd534ca84fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa6b0e4aff91d32b458ae3f9a843dfad519c6d01f3a382558517fd534ca84fb", kill_on_drop: false }`
[INFO] [stdout] efa6b0e4aff91d32b458ae3f9a843dfad519c6d01f3a382558517fd534ca84fb