[INFO] fetching crate pit-rust-generator 0.4.0...
[INFO] testing pit-rust-generator-0.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate pit-rust-generator 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate pit-rust-generator 0.4.0
[INFO] finished tweaking crates.io crate pit-rust-generator 0.4.0
[INFO] tweaked toml for crates.io crate pit-rust-generator 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pit-rust-generator 0.4.0 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] crate crates.io crate pit-rust-generator 0.4.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettyplease v0.2.25
[INFO] [stderr]   Downloaded pit-core v0.4.2
[INFO] [stderr]   Downloaded quasiquote-proc-macro v0.1.0
[INFO] [stderr]   Downloaded quasiquote v0.1.1
[INFO] [stderr]   Downloaded pit-rust-guest v0.4.0
[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] 3ed93c7086cf595c5deb7d7823df73c77dfe176550947b1b35dee45cd32ec978
[INFO] running `Command { std: "docker" "start" "-a" "3ed93c7086cf595c5deb7d7823df73c77dfe176550947b1b35dee45cd32ec978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed93c7086cf595c5deb7d7823df73c77dfe176550947b1b35dee45cd32ec978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed93c7086cf595c5deb7d7823df73c77dfe176550947b1b35dee45cd32ec978", kill_on_drop: false }`
[INFO] [stdout] 3ed93c7086cf595c5deb7d7823df73c77dfe176550947b1b35dee45cd32ec978
[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] 5472343053bb746dd8ac0f9216bb53b3a0761506d14d0477c2d575afd8ad3ceb
[INFO] running `Command { std: "docker" "start" "-a" "5472343053bb746dd8ac0f9216bb53b3a0761506d14d0477c2d575afd8ad3ceb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling quasiquote-proc-macro v0.1.0
[INFO] [stderr]    Compiling quasiquote v0.1.1
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling pit-core v0.4.2
[INFO] [stderr]    Compiling pit-rust-guest v0.4.0
[INFO] [stderr]    Compiling pit-rust-generator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut x = Opts{
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.70s
[INFO] running `Command { std: "docker" "inspect" "5472343053bb746dd8ac0f9216bb53b3a0761506d14d0477c2d575afd8ad3ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5472343053bb746dd8ac0f9216bb53b3a0761506d14d0477c2d575afd8ad3ceb", kill_on_drop: false }`
[INFO] [stdout] 5472343053bb746dd8ac0f9216bb53b3a0761506d14d0477c2d575afd8ad3ceb
[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] 26bf7ecc7e2be6865ac3f690bee299f63445744486258532db214748aebc37c7
[INFO] running `Command { std: "docker" "start" "-a" "26bf7ecc7e2be6865ac3f690bee299f63445744486258532db214748aebc37c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pit-rust-generator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut x = Opts{
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "26bf7ecc7e2be6865ac3f690bee299f63445744486258532db214748aebc37c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26bf7ecc7e2be6865ac3f690bee299f63445744486258532db214748aebc37c7", kill_on_drop: false }`
[INFO] [stdout] 26bf7ecc7e2be6865ac3f690bee299f63445744486258532db214748aebc37c7
[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] d4e1beaf485ebb40af0382ca95844508f04b815bc58df62423d2179adf8c75c1
[INFO] running `Command { std: "docker" "start" "-a" "d4e1beaf485ebb40af0382ca95844508f04b815bc58df62423d2179adf8c75c1", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut x = Opts{
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pit-rust-generator` (bin "pit-rust-generator" test) generated 1 warning (run `cargo fix --bin "pit-rust-generator" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pit_rust_generator-c90a0a3bab3161ce)
[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" "d4e1beaf485ebb40af0382ca95844508f04b815bc58df62423d2179adf8c75c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e1beaf485ebb40af0382ca95844508f04b815bc58df62423d2179adf8c75c1", kill_on_drop: false }`
[INFO] [stdout] d4e1beaf485ebb40af0382ca95844508f04b815bc58df62423d2179adf8c75c1